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/Designs/Data_loggers/GPSRL02A/SW @ 1857   →   /Designs/Data_loggers/GPSRL02A/SW @ 1858

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/Designs/Data_loggers/GPSRL02A/SW/buffer/a2dtest.c
0,0 → 1,118
//*****************************************************************************
// File Name : a2dtest.c
//
// Title : example usage of some avr library functions
// Revision : 1.0
// Notes :
// Target MCU : Atmel AVR series
// Editor Tabs : 4
//
// Revision History:
// When Who Description of change
// ----------- ----------- -----------------------
// 20-Oct-2002 pstang Created the program
//*****************************************************************************
//----- Include Files ---------------------------------------------------------
#include <avr/io.h> // include I/O definitions (port names, pin names, etc)
#include <avr/interrupt.h> // include interrupt support
#include <string.h>
#include "global.h" // include our global settings
#include "uart.h" // include uart function library
#include "rprintf.h" // include printf function library
#include "timer.h" // include timer function library (timing, PWM, etc)
#include "a2d.h" // include A/D converter function library
#include "vt100.h" // include VT100 terminal support
//----- Begin Code ------------------------------------------------------------
int main(void)
{
u16 a=0;
u08 i=0;
// initialize our libraries
// initialize the UART (serial port)
uartInit();
// make all rprintf statements use uart for output
rprintfInit(uartSendByte);
// initialize the timer system
timerInit();
// turn on and initialize A/D converter
a2dInit();
// print a little intro message so we know things are working
/* vt100ClearScreen();
vt100SetCursorPos(1,1);
rprintf("Welcome to the a2d test!\r\n");*/
// configure a2d port (PORTA) as input
// so we can receive analog signals
DDRC = 0x00;
// make sure pull-up resistors are turned off
PORTC = 0x00;
// set the a2d prescaler (clock division ratio)
// - a lower prescale setting will make the a2d converter go faster
// - a higher setting will make it go slower but the measurements
// will be more accurate
// - other allowed prescale values can be found in a2d.h
a2dSetPrescaler(ADC_PRESCALE_DIV32);
// set the a2d reference
// - the reference is the voltage against which a2d measurements are made
// - other allowed reference values can be found in a2d.h
a2dSetReference(ADC_REFERENCE_AVCC);
// use a2dConvert8bit(channel#) to get an 8bit a2d reading
// use a2dConvert10bit(channel#) to get a 10bit a2d reading
while(1)
{
u08 c=0;
u08 n,i;
char radiace[10];
char radka[201];
for(n=0;n<=100;n++) radka[n]=0; // vynuluj bufferovaci pole
for(n=0;n<10;n++) radiace[n]=0; // vynuluj bufferovaci pole
n=0;
while(1) // pockej na $ kterym zacina NMEA radka
{
uartReceiveByte(&c);
if(c == '$') break;
}
for(i=0;i<100;i++) // nacti maximalne 100 znaku do bufferu
{
radka[n]=c;
if(c == '\n') break; // kdyz narazis na konec radku zastav nacitani
uartReceiveByte(&c);
n++;
}
radka[n]=0; // naztav na konec retezce pro zpracovani pomoci strcat
itoa(a2dConvert10bit(2),&radiace,10); //a2dConvert8bit(1)
if(n != 0)
{
strcat(radka, radiace);
strcat(radka,"\r");
}
n=0;
uartFlushReceiveBuffer();
while (0!=radka[n])
{
uartSendByte(radka[n]);
n++;
timerPause(35);
}
}
return 0;
}
Property changes:
Added: svn:executable
+*
\ No newline at end of property

/Designs/Data_loggers/GPSRL02A/SW/buffer/gpsrl.hex
0,0 → 1,279
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:10113000F6F790958095709561957F4F8F4F9F4FF3
:041140000895FFCF40
:021144000D009C
:00000001FF

/Designs/Data_loggers/GPSRL02A/SW/buffer/gpsrl.map
0,0 → 1,540
Archive member included because of file (symbol)
/usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_mulsi3.o)
timer.o (__mulsi3)
/usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_udivmodhi4.o)
buffer.o (__udivmodhi4)
/usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_udivmodsi4.o)
rprintf.o (__udivmodsi4)
/usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_divmodsi4.o)
timer.o (__divmodsi4)
/usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_exit.o)
/usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/crtm8.o (exit)
/usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_copy_data.o)
a2d.o (__do_copy_data)
/usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_clear_bss.o)
a2d.o (__do_clear_bss)
/usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(strcat.o)
a2dtest.o (strcat)
/usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(itoa.o)
a2dtest.o (itoa)
/usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(strrev.o)
/usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(itoa.o) (strrev)
Allocating common symbols
Common symbol size file
uartReadyTx 0x1 uart.o
Timer0Reg0 0x4 timer.o
uartRxBuffer 0x8 uart.o
TimerPauseReg 0x4 timer.o
Timer2Reg0 0x4 timer.o
uartBufferedTx 0x1 uart.o
a2dCompleteFlag 0x1 a2d.o
uartTxBuffer 0x8 uart.o
uartRxOverflow 0x2 uart.o
Memory Configuration
Name Origin Length Attributes
text 0x00000000 0x00002000 xr
data 0x00800060 0x0000ffa0 rw !x
eeprom 0x00810000 0x00010000 rw !x
fuse 0x00820000 0x00000400 rw !x
lock 0x00830000 0x00000400 rw !x
signature 0x00840000 0x00000400 rw !x
*default* 0x00000000 0xffffffff
Linker script and memory map
LOAD /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/crtm8.o
LOAD a2d.o
LOAD a2dtest.o
LOAD buffer.o
LOAD rprintf.o
LOAD timer.o
LOAD uart.o
LOAD vt100.o
LOAD /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a
LOAD /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a
LOAD /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a
.hash
*(.hash)
.dynsym
*(.dynsym)
.dynstr
*(.dynstr)
.gnu.version
*(.gnu.version)
.gnu.version_d
*(.gnu.version_d)
.gnu.version_r
*(.gnu.version_r)
.rel.init
*(.rel.init)
.rela.init
*(.rela.init)
.rel.text
*(.rel.text)
*(.rel.text.*)
*(.rel.gnu.linkonce.t*)
.rela.text
*(.rela.text)
*(.rela.text.*)
*(.rela.gnu.linkonce.t*)
.rel.fini
*(.rel.fini)
.rela.fini
*(.rela.fini)
.rel.rodata
*(.rel.rodata)
*(.rel.rodata.*)
*(.rel.gnu.linkonce.r*)
.rela.rodata
*(.rela.rodata)
*(.rela.rodata.*)
*(.rela.gnu.linkonce.r*)
.rel.data
*(.rel.data)
*(.rel.data.*)
*(.rel.gnu.linkonce.d*)
.rela.data
*(.rela.data)
*(.rela.data.*)
*(.rela.gnu.linkonce.d*)
.rel.ctors
*(.rel.ctors)
.rela.ctors
*(.rela.ctors)
.rel.dtors
*(.rel.dtors)
.rela.dtors
*(.rela.dtors)
.rel.got
*(.rel.got)
.rela.got
*(.rela.got)
.rel.bss
*(.rel.bss)
.rela.bss
*(.rela.bss)
.rel.plt
*(.rel.plt)
.rela.plt
*(.rela.plt)
.text 0x00000000 0x1144
*(.vectors)
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0x00000000 __vectors
0x00000000 __vector_default
*(.vectors)
*(.progmem.gcc*)
*(.progmem*)
.progmem.data 0x00000026 0x11 rprintf.o
.progmem.data 0x00000037 0x1c timer.o
0x00000043 TimerRTCPrescaleFactor
0x00000037 TimerPrescaleFactor
.progmem.data 0x00000053 0x25 vt100.o
0x00000078 . = ALIGN (0x2)
0x00000078 __trampolines_start = .
*(.trampolines)
.trampolines 0x00000078 0x0 linker stubs
*(.trampolines*)
0x00000078 __trampolines_end = .
*(.jumptables)
*(.jumptables*)
*(.lowtext)
*(.lowtext*)
0x00000078 __ctors_start = .
*(.ctors)
0x00000078 __ctors_end = .
0x00000078 __dtors_start = .
*(.dtors)
0x00000078 __dtors_end = .
SORT(*)(.ctors)
SORT(*)(.dtors)
*(.init0)
.init0 0x00000078 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/crtm8.o
0x00000078 __init
*(.init0)
*(.init1)
*(.init1)
*(.init2)
.init2 0x00000078 0xc /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/crtm8.o
*(.init2)
*(.init3)
*(.init3)
*(.init4)
.init4 0x00000084 0x16 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_copy_data.o)
0x00000084 __do_copy_data
.init4 0x0000009a 0x10 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_clear_bss.o)
0x0000009a __do_clear_bss
*(.init4)
*(.init5)
*(.init5)
*(.init6)
*(.init6)
*(.init7)
*(.init7)
*(.init8)
*(.init8)
*(.init9)
.init9 0x000000aa 0x4 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/crtm8.o
*(.init9)
*(.text)
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0x000000ae __vector_1
0x000000ae __vector_12
0x000000ae __bad_interrupt
0x000000ae __vector_17
0x000000ae __vector_2
0x000000ae __vector_15
0x000000ae __vector_10
0x000000ae __vector_16
0x000000ae __vector_18
.text 0x000000b0 0xae a2d.o
0x000000e4 a2dIsComplete
0x00000116 a2dConvert8bit
0x000000b0 a2dOff
0x000000b6 a2dSetPrescaler
0x000000ee a2dConvert10bit
0x00000142 a2dInit
0x000000c0 a2dSetReference
0x00000124 __vector_14
0x000000d2 a2dSetChannel
0x000000de a2dStartConvert
.text 0x0000015e 0xd8 a2dtest.o
0x0000015e main
.text 0x00000236 0x156 buffer.o
0x00000368 bufferIsNotFull
0x00000250 bufferGetFromFront
0x000002f0 bufferGetAtIndex
0x000002ac bufferDumpFromFront
0x00000236 bufferInit
0x00000318 bufferAddToEnd
0x0000037e bufferFlush
.text 0x0000038c 0x3b2 rprintf.o
0x00000610 rprintf1RamRom
0x0000045e rprintfu08
0x00000486 rprintfu32
0x000003ba rprintfStr
0x000003d6 rprintfStrLen
0x00000426 rprintfProgStr
0x00000470 rprintfu16
0x0000038c rprintfInit
0x00000396 rprintfChar
0x00000444 rprintfCRLF
0x0000044a rprintfu04
0x000004a8 rprintfNum
.text 0x0000073e 0x5ea timer.o
0x0000094a timer2GetOverflowCount
0x0000080e timerDetach
0x000007a2 timer1SetPrescaler
0x000009dc timer1PWMBOff
0x000007e2 timer2GetPrescaler
0x00000b76 __vector_6
0x00000740 timer0Init
0x000009ce timer1PWMAOff
0x000009f0 timer1PWMBSet
0x00000c84 __vector_3
0x0000098c timer1PWMInitICR
0x000007b6 timer0GetPrescaler
0x00000bd0 __vector_7
0x00000926 timer0GetOverflowCount
0x00000c2a __vector_5
0x00000cde timerInit
0x000007ac timer2SetPrescaler
0x000009b2 timer1PWMAOn
0x00000798 timer0SetPrescaler
0x0000073e delay_us
0x00000af6 __vector_4
0x00000914 timer0ClearOverflowCount
0x000009f6 __vector_9
0x00000762 timer1Init
0x0000095c timer1PWMInit
0x000009c0 timer1PWMBOn
0x00000776 timer2Init
0x00000a9c __vector_8
0x000009ea timer1PWMASet
0x000007f8 timerAttach
0x00000d02 timer1PWMOff
0x000007cc timer1GetPrescaler
0x00000938 timer2ClearOverflowCount
0x00000824 timerPause
.text 0x00000d28 0x24a uart.o
0x00000f54 uartSendTxBuffer
0x00000d70 uartSendByte
0x00000f08 uartInitBuffers
0x00000e98 uartReceiveByte
0x00000e20 uartAddToTxBuffer
0x00000da4 __vector_11
0x00000d28 uartSetRxHandler
0x00000e2c __vector_13
0x00000d82 uartFlushReceiveBuffer
0x00000f26 uartInit
0x00000d8c uartReceiveBufferIsEmpty
0x00000d32 uartSetBaudRate
0x00000d6a uartGetTxBuffer
0x00000ece uartGetByte
0x00000d64 uartGetRxBuffer
.text 0x00000f72 0x7c vt100.o
0x00000fe6 vt100Init
0x00000fbe vt100SetAttr
0x00000f9e vt100SetCursorMode
0x00000f72 vt100SetCursorPos
0x00000fde vt100ClearScreen
.text 0x00000fee 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_mulsi3.o)
.text 0x00000fee 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_udivmodhi4.o)
.text 0x00000fee 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_udivmodsi4.o)
.text 0x00000fee 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_divmodsi4.o)
.text 0x00000fee 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_exit.o)
.text 0x00000fee 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_copy_data.o)
.text 0x00000fee 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_clear_bss.o)
.text 0x00000fee 0x16 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(strcat.o)
0x00000fee strcat
.text 0x00001004 0x3e /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(itoa.o)
0x00001004 itoa
.text 0x00001042 0x20 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(strrev.o)
0x00001042 strrev
0x00001062 . = ALIGN (0x2)
*(.text.*)
.text.libgcc 0x00001062 0x3e /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_mulsi3.o)
0x00001062 __mulsi3
.text.libgcc 0x000010a0 0x28 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_udivmodhi4.o)
0x000010a0 __udivmodhi4
.text.libgcc 0x000010c8 0x44 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_udivmodsi4.o)
0x000010c8 __udivmodsi4
.text.libgcc 0x0000110c 0x36 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_divmodsi4.o)
0x0000110c __divmodsi4
.text.libgcc 0x00001142 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_exit.o)
.text.libgcc 0x00001142 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_copy_data.o)
.text.libgcc 0x00001142 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_clear_bss.o)
0x00001142 . = ALIGN (0x2)
*(.fini9)
.fini9 0x00001142 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_exit.o)
0x00001142 exit
0x00001142 _exit
*(.fini9)
*(.fini8)
*(.fini8)
*(.fini7)
*(.fini7)
*(.fini6)
*(.fini6)
*(.fini5)
*(.fini5)
*(.fini4)
*(.fini4)
*(.fini3)
*(.fini3)
*(.fini2)
*(.fini2)
*(.fini1)
*(.fini1)
*(.fini0)
.fini0 0x00001142 0x2 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_exit.o)
*(.fini0)
0x00001144 _etext = .
.data 0x00800060 0x2 load address 0x00001144
0x00800060 PROVIDE (__data_start, .)
*(.data)
.data 0x00800060 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/crtm8.o
.data 0x00800060 0x0 a2d.o
.data 0x00800060 0x2 a2dtest.o
.data 0x00800062 0x0 buffer.o
.data 0x00800062 0x0 rprintf.o
.data 0x00800062 0x0 timer.o
.data 0x00800062 0x0 uart.o
.data 0x00800062 0x0 vt100.o
.data 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_mulsi3.o)
.data 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_udivmodhi4.o)
.data 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_udivmodsi4.o)
.data 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_divmodsi4.o)
.data 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_exit.o)
.data 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_copy_data.o)
.data 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_clear_bss.o)
.data 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(strcat.o)
.data 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(itoa.o)
.data 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(strrev.o)
*(.data*)
*(.rodata)
*(.rodata*)
*(.gnu.linkonce.d*)
0x00800062 . = ALIGN (0x2)
0x00800062 _edata = .
0x00800062 PROVIDE (__data_end, .)
.bss 0x00800062 0x172 load address 0x00001146
0x00800062 PROVIDE (__bss_start, .)
*(.bss)
.bss 0x00800062 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/crtm8.o
.bss 0x00800062 0x0 a2d.o
.bss 0x00800062 0x0 a2dtest.o
.bss 0x00800062 0x0 buffer.o
.bss 0x00800062 0x2 rprintf.o
.bss 0x00800064 0xe timer.o
.bss 0x00800072 0x141 uart.o
.bss 0x008001b3 0x0 vt100.o
.bss 0x008001b3 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_mulsi3.o)
.bss 0x008001b3 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_udivmodhi4.o)
.bss 0x008001b3 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_udivmodsi4.o)
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.bss 0x008001b3 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_exit.o)
.bss 0x008001b3 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_copy_data.o)
.bss 0x008001b3 0x0 /usr/lib/gcc/avr/4.2.2/avr4/libgcc.a(_clear_bss.o)
.bss 0x008001b3 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(strcat.o)
.bss 0x008001b3 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(itoa.o)
.bss 0x008001b3 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(strrev.o)
*(.bss*)
*(COMMON)
COMMON 0x008001b3 0x1 a2d.o
0x008001b3 a2dCompleteFlag
COMMON 0x008001b4 0xc timer.o
0x008001b4 Timer0Reg0
0x008001b8 TimerPauseReg
0x008001bc Timer2Reg0
COMMON 0x008001c0 0x14 uart.o
0x008001c0 uartReadyTx
0x008001c1 uartRxBuffer
0x008001c9 uartBufferedTx
0x008001ca uartTxBuffer
0x008001d2 uartRxOverflow
0x008001d4 PROVIDE (__bss_end, .)
0x00001144 __data_load_start = LOADADDR (.data)
0x00001146 __data_load_end = (__data_load_start + SIZEOF (.data))
.noinit 0x008001d4 0x0
0x008001d4 PROVIDE (__noinit_start, .)
*(.noinit*)
0x008001d4 PROVIDE (__noinit_end, .)
0x008001d4 _end = .
0x008001d4 PROVIDE (__heap_start, .)
.eeprom 0x00810000 0x0
*(.eeprom*)
0x00810000 __eeprom_end = .
.fuse
*(.fuse)
*(.lfuse)
*(.hfuse)
*(.efuse)
.lock
*(.lock*)
.signature
*(.signature*)
.stab 0x00000000 0x3db0
*(.stab)
.stab 0x00000000 0x378 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/crtm8.o
.stab 0x00000378 0x7a4 a2d.o
0x7b0 (size before relaxing)
.stab 0x00000b1c 0x48c a2dtest.o
0x72c (size before relaxing)
.stab 0x00000fa8 0x660 buffer.o
0x924 (size before relaxing)
.stab 0x00001608 0x9c0 rprintf.o
0xcf0 (size before relaxing)
.stab 0x00001fc8 0xf54 timer.o
0x129c (size before relaxing)
.stab 0x00002f1c 0x834 uart.o
0xb04 (size before relaxing)
.stab 0x00003750 0x33c vt100.o
0x684 (size before relaxing)
.stab 0x00003a8c 0x9c /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(strcat.o)
0xa8 (size before relaxing)
.stab 0x00003b28 0x1b0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(itoa.o)
0x1bc (size before relaxing)
.stab 0x00003cd8 0xd8 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/libc.a(strrev.o)
0xe4 (size before relaxing)
.stabstr 0x00000000 0x1b97
*(.stabstr)
.stabstr 0x00000000 0x1b97 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr4/crtm8.o
.stab.excl
*(.stab.excl)
.stab.exclstr
*(.stab.exclstr)
.stab.index
*(.stab.index)
.stab.indexstr
*(.stab.indexstr)
.comment
*(.comment)
.debug
*(.debug)
.line
*(.line)
.debug_srcinfo
*(.debug_srcinfo)
.debug_sfnames
*(.debug_sfnames)
.debug_aranges
*(.debug_aranges)
.debug_pubnames
*(.debug_pubnames)
.debug_info
*(.debug_info)
*(.gnu.linkonce.wi.*)
.debug_abbrev
*(.debug_abbrev)
.debug_line
*(.debug_line)
.debug_frame
*(.debug_frame)
.debug_str
*(.debug_str)
.debug_loc
*(.debug_loc)
.debug_macinfo
*(.debug_macinfo)
OUTPUT(gpsrl.out elf32-avr)
LOAD linker stubs

/Designs/Data_loggers/GPSRL02A/SW/buffer/gpsrl.out
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream
Property changes:
Added: svn:executable
+*
\ No newline at end of property
Added: svn:mime-type
+application/octet-stream
\ No newline at end of property

/Designs/Data_loggers/GPSRL02A/SW/buffer/Makefile
0,0 → 1,51
NAME := gpsrl
HEX := $(NAME).hex
OUT := $(NAME).out
MAP := $(NAME).map
SOURCES := $(wildcard *.c)
HEADERS := $(wildcard *.h)
OBJECTS := $(patsubst %.c,%.o,$(SOURCES))
MCU := atmega8
MCU_AVRDUDE := m8
CC := avr-gcc
OBJCOPY := avr-objcopy
SIZE := avr-size -A
DOXYGEN := doxygen
CFLAGS := -Wall -pedantic -mmcu=$(MCU) -std=c99 -g -Os
all: $(HEX)
clean:
rm -f $(HEX) $(OUT) $(MAP) $(OBJECTS)
rm -rf doc/html
flash: $(HEX)
avrdude -y -p $(MCU_AVRDUDE) -P /dev/ttyUSB0 -c stk500v2 -U flash:w:$(HEX)
$(HEX): $(OUT)
$(OBJCOPY) -R .eeprom -O ihex $< $@
$(OUT): $(OBJECTS)
$(CC) $(CFLAGS) -o $@ -Wl,-Map,$(MAP) $^
@echo
@$(SIZE) $@
@echo
%.o: %.c $(HEADERS)
$(CC) $(CFLAGS) -c -o $@ $<
%.pp: %.c
$(CC) $(CFLAGS) -E -o $@ $<
%.ppo: %.c
$(CC) $(CFLAGS) -E $<
doc: $(HEADERS) $(SOURCES) Doxyfile
$(DOXYGEN) Doxyfile
.PHONY: all clean flash doc
Property changes:
Added: svn:executable
+*
\ No newline at end of property

/Designs/Data_loggers/GPSRL02A/SW/buffer/a2d.c
0,0 → 1,115
/*! \file a2d.c \brief Analog-to-Digital converter function library. */
//*****************************************************************************
//
// File Name : 'a2d.c'
// Title : Analog-to-digital converter functions
// Author : Pascal Stang - Copyright (C) 2002
// Created : 2002-04-08
// Revised : 2002-09-30
// Version : 1.1
// Target MCU : Atmel AVR series
// Editor Tabs : 4
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
#include <avr/io.h>
#include <avr/interrupt.h>
#include "global.h"
#include "a2d.h"
// global variables
//! Software flag used to indicate when
/// the a2d conversion is complete.
volatile unsigned char a2dCompleteFlag;
// functions
// initialize a2d converter
void a2dInit(void)
{
sbi(ADCSR, ADEN); // enable ADC (turn on ADC power)
cbi(ADCSR, ADFR); // default to single sample convert mode
a2dSetPrescaler(ADC_PRESCALE); // set default prescaler
a2dSetReference(ADC_REFERENCE); // set default reference
cbi(ADMUX, ADLAR); // set to right-adjusted result
sbi(ADCSR, ADIE); // enable ADC interrupts
a2dCompleteFlag = FALSE; // clear conversion complete flag
sei(); // turn on interrupts (if not already on)
}
// turn off a2d converter
void a2dOff(void)
{
cbi(ADCSR, ADIE); // disable ADC interrupts
cbi(ADCSR, ADEN); // disable ADC (turn off ADC power)
}
// configure A2D converter clock division (prescaling)
void a2dSetPrescaler(unsigned char prescale)
{
outb(ADCSR, ((inb(ADCSR) & ~ADC_PRESCALE_MASK) | prescale));
}
// configure A2D converter voltage reference
void a2dSetReference(unsigned char ref)
{
outb(ADMUX, ((inb(ADMUX) & ~ADC_REFERENCE_MASK) | (ref<<6)));
}
// sets the a2d input channel
void a2dSetChannel(unsigned char ch)
{
outb(ADMUX, (inb(ADMUX) & ~ADC_MUX_MASK) | (ch & ADC_MUX_MASK)); // set channel
}
// start a conversion on the current a2d input channel
void a2dStartConvert(void)
{
sbi(ADCSR, ADIF); // clear hardware "conversion complete" flag
sbi(ADCSR, ADSC); // start conversion
}
// return TRUE if conversion is complete
u08 a2dIsComplete(void)
{
return bit_is_set(ADCSR, ADSC);
}
// Perform a 10-bit conversion
// starts conversion, waits until conversion is done, and returns result
unsigned short a2dConvert10bit(unsigned char ch)
{
a2dCompleteFlag = FALSE; // clear conversion complete flag
outb(ADMUX, (inb(ADMUX) & ~ADC_MUX_MASK) | (ch & ADC_MUX_MASK)); // set channel
sbi(ADCSR, ADIF); // clear hardware "conversion complete" flag
sbi(ADCSR, ADSC); // start conversion
//while(!a2dCompleteFlag); // wait until conversion complete
//while( bit_is_clear(ADCSR, ADIF) ); // wait until conversion complete
while( bit_is_set(ADCSR, ADSC) ); // wait until conversion complete
// CAUTION: MUST READ ADCL BEFORE ADCH!!!
return (inb(ADCL) | (inb(ADCH)<<8)); // read ADC (full 10 bits);
}
// Perform a 8-bit conversion.
// starts conversion, waits until conversion is done, and returns result
unsigned char a2dConvert8bit(unsigned char ch)
{
// do 10-bit conversion and return highest 8 bits
return a2dConvert10bit(ch)>>2; // return ADC MSB byte
}
//! Interrupt handler for ADC complete interrupt.
SIGNAL(SIG_ADC)
{
// set the a2d conversion flag to indicate "complete"
a2dCompleteFlag = TRUE;
}
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/Designs/Data_loggers/GPSRL02A/SW/buffer/a2d.h
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/*! \file a2d.h \brief Analog-to-Digital converter function library. */
//*****************************************************************************
//
// File Name : 'a2d.h'
// Title : Analog-to-digital converter functions
// Author : Pascal Stang - Copyright (C) 2002
// Created : 4/08/2002
// Revised : 4/30/2002
// Version : 1.1
// Target MCU : Atmel AVR series
// Editor Tabs : 4
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
/// \ingroup driver_avr
/// \defgroup a2d A/D Converter Function Library (a2d.c)
/// \code #include "a2d.h" \endcode
/// \par Overview
/// This library provides an easy interface to the analog-to-digital
/// converter available on many AVR processors. Updated to support
/// the ATmega128.
//
//****************************************************************************
//@{
#ifndef A2D_H
#define A2D_H
// defines
// A2D clock prescaler select
// *selects how much the CPU clock frequency is divided
// to create the A2D clock frequency
// *lower division ratios make conversion go faster
// *higher division ratios make conversions more accurate
#define ADC_PRESCALE_DIV2 0x00 ///< 0x01,0x00 -> CPU clk/2
#define ADC_PRESCALE_DIV4 0x02 ///< 0x02 -> CPU clk/4
#define ADC_PRESCALE_DIV8 0x03 ///< 0x03 -> CPU clk/8
#define ADC_PRESCALE_DIV16 0x04 ///< 0x04 -> CPU clk/16
#define ADC_PRESCALE_DIV32 0x05 ///< 0x05 -> CPU clk/32
#define ADC_PRESCALE_DIV64 0x06 ///< 0x06 -> CPU clk/64
#define ADC_PRESCALE_DIV128 0x07 ///< 0x07 -> CPU clk/128
// default value
#define ADC_PRESCALE ADC_PRESCALE_DIV64
// do not change the mask value
#define ADC_PRESCALE_MASK 0x07
// A2D voltage reference select
// *this determines what is used as the
// full-scale voltage point for A2D conversions
#define ADC_REFERENCE_AREF 0x00 ///< 0x00 -> AREF pin, internal VREF turned off
#define ADC_REFERENCE_AVCC 0x01 ///< 0x01 -> AVCC pin, internal VREF turned off
#define ADC_REFERENCE_RSVD 0x02 ///< 0x02 -> Reserved
#define ADC_REFERENCE_256V 0x03 ///< 0x03 -> Internal 2.56V VREF
// default value
#define ADC_REFERENCE ADC_REFERENCE_AVCC
// do not change the mask value
#define ADC_REFERENCE_MASK 0xC0
// bit mask for A2D channel multiplexer
#define ADC_MUX_MASK 0x1F
// channel defines (for reference and use in code)
// these channels supported by all AVRs with A2D
#define ADC_CH_ADC0 0x00
#define ADC_CH_ADC1 0x01
#define ADC_CH_ADC2 0x02
#define ADC_CH_ADC3 0x03
#define ADC_CH_ADC4 0x04
#define ADC_CH_ADC5 0x05
#define ADC_CH_ADC6 0x06
#define ADC_CH_ADC7 0x07
#define ADC_CH_122V 0x1E ///< 1.22V voltage reference
#define ADC_CH_AGND 0x1F ///< AGND
// these channels supported only in ATmega128
// differential with gain
#define ADC_CH_0_0_DIFF10X 0x08
#define ADC_CH_1_0_DIFF10X 0x09
#define ADC_CH_0_0_DIFF200X 0x0A
#define ADC_CH_1_0_DIFF200X 0x0B
#define ADC_CH_2_2_DIFF10X 0x0C
#define ADC_CH_3_2_DIFF10X 0x0D
#define ADC_CH_2_2_DIFF200X 0x0E
#define ADC_CH_3_2_DIFF200X 0x0F
// differential
#define ADC_CH_0_1_DIFF1X 0x10
#define ADC_CH_1_1_DIFF1X 0x11
#define ADC_CH_2_1_DIFF1X 0x12
#define ADC_CH_3_1_DIFF1X 0x13
#define ADC_CH_4_1_DIFF1X 0x14
#define ADC_CH_5_1_DIFF1X 0x15
#define ADC_CH_6_1_DIFF1X 0x16
#define ADC_CH_7_1_DIFF1X 0x17
#define ADC_CH_0_2_DIFF1X 0x18
#define ADC_CH_1_2_DIFF1X 0x19
#define ADC_CH_2_2_DIFF1X 0x1A
#define ADC_CH_3_2_DIFF1X 0x1B
#define ADC_CH_4_2_DIFF1X 0x1C
#define ADC_CH_5_2_DIFF1X 0x1D
// compatibility for new Mega processors
// ADCSR hack apparently no longer necessary in new AVR-GCC
#ifdef ADCSRA
#ifndef ADCSR
#define ADCSR ADCSRA
#endif
#endif
#ifdef ADATE
#define ADFR ADATE
#endif
// function prototypes
//! Initializes the A/D converter.
/// Turns ADC on and prepares it for use.
void a2dInit(void);
//! Turn off A/D converter
void a2dOff(void);
//! Sets the division ratio of the A/D converter clock.
/// This function is automatically called from a2dInit()
/// with a default value.
void a2dSetPrescaler(unsigned char prescale);
//! Configures which voltage reference the A/D converter uses.
/// This function is automatically called from a2dInit()
/// with a default value.
void a2dSetReference(unsigned char ref);
//! sets the a2d input channel
void a2dSetChannel(unsigned char ch);
//! start a conversion on the current a2d input channel
void a2dStartConvert(void);
//! return TRUE if conversion is complete
u08 a2dIsComplete(void);
//! Starts a conversion on A/D channel# ch,
/// returns the 10-bit value of the conversion when it is finished.
unsigned short a2dConvert10bit(unsigned char ch);
//! Starts a conversion on A/D channel# ch,
/// returns the 8-bit value of the conversion when it is finished.
unsigned char a2dConvert8bit(unsigned char ch);
#endif
//@}
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/Designs/Data_loggers/GPSRL02A/SW/buffer/avrlibdefs.h
0,0 → 1,83
/*! \file avrlibdefs.h \brief AVRlib global defines and macros. */
//*****************************************************************************
//
// File Name : 'avrlibdefs.h'
// Title : AVRlib global defines and macros include file
// Author : Pascal Stang
// Created : 7/12/2001
// Revised : 9/30/2002
// Version : 1.1
// Target MCU : Atmel AVR series
// Editor Tabs : 4
//
// Description : This include file is designed to contain items useful to all
// code files and projects, regardless of specific implementation.
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
#ifndef AVRLIBDEFS_H
#define AVRLIBDEFS_H
// Code compatibility to new AVR-libc
// outb(), inb(), inw(), outw(), BV(), sbi(), cbi(), sei(), cli()
#ifndef outb
#define outb(addr, data) addr = (data)
#endif
#ifndef inb
#define inb(addr) (addr)
#endif
#ifndef outw
#define outw(addr, data) addr = (data)
#endif
#ifndef inw
#define inw(addr) (addr)
#endif
#ifndef BV
#define BV(bit) (1<<(bit))
#endif
#ifndef cbi
#define cbi(reg,bit) reg &= ~(BV(bit))
#endif
#ifndef sbi
#define sbi(reg,bit) reg |= (BV(bit))
#endif
#ifndef cli
#define cli() __asm__ __volatile__ ("cli" ::)
#endif
#ifndef sei
#define sei() __asm__ __volatile__ ("sei" ::)
#endif
// support for individual port pin naming in the mega128
// see port128.h for details
#ifdef __AVR_ATmega128__
// not currently necessary due to inclusion
// of these defines in newest AVR-GCC
// do a quick test to see if include is needed
#ifndef PD0
#include "port128.h"
#endif
#endif
// use this for packed structures
// (this is seldom necessary on an 8-bit architecture like AVR,
// but can assist in code portability to AVR)
#define GNUC_PACKED __attribute__((packed))
// port address helpers
#define DDR(x) ((x)-1) // address of data direction register of port x
#define PIN(x) ((x)-2) // address of input register of port x
// MIN/MAX/ABS macros
#define MIN(a,b) ((a<b)?(a):(b))
#define MAX(a,b) ((a>b)?(a):(b))
#define ABS(x) ((x>0)?(x):(-x))
// constants
#define PI 3.14159265359
#endif
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/Designs/Data_loggers/GPSRL02A/SW/buffer/avrlibtypes.h
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/*! \file avrlibtypes.h \brief AVRlib global types and typedefines. */
//*****************************************************************************
//
// File Name : 'avrlibtypes.h'
// Title : AVRlib global types and typedefines include file
// Author : Pascal Stang
// Created : 7/12/2001
// Revised : 9/30/2002
// Version : 1.0
// Target MCU : Atmel AVR series
// Editor Tabs : 4
//
// Description : Type-defines required and used by AVRlib. Most types are also
// generally useful.
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
#ifndef AVRLIBTYPES_H
#define AVRLIBTYPES_H
#ifndef WIN32
// true/false defines
#define FALSE 0
#define TRUE -1
#endif
// datatype definitions macros
typedef unsigned char u08;
typedef signed char s08;
typedef unsigned short u16;
typedef signed short s16;
typedef unsigned long u32;
typedef signed long s32;
typedef unsigned long long u64;
typedef signed long long s64;
/* use inttypes.h instead
// C99 standard integer type definitions
typedef unsigned char uint8_t;
typedef signed char int8_t;
typedef unsigned short uint16_t;
typedef signed short int16_t;
typedef unsigned long uint32_t;
typedef signed long int32_t;
typedef unsigned long uint64_t;
typedef signed long int64_t;
*/
// maximum value that can be held
// by unsigned data types (8,16,32bits)
#define MAX_U08 255
#define MAX_U16 65535
#define MAX_U32 4294967295
// maximum values that can be held
// by signed data types (8,16,32bits)
#define MIN_S08 -128
#define MAX_S08 127
#define MIN_S16 -32768
#define MAX_S16 32767
#define MIN_S32 -2147483648
#define MAX_S32 2147483647
#ifndef WIN32
// more type redefinitions
typedef unsigned char BOOL;
typedef unsigned char BYTE;
typedef unsigned int WORD;
typedef unsigned long DWORD;
typedef unsigned char UCHAR;
typedef unsigned int UINT;
typedef unsigned short USHORT;
typedef unsigned long ULONG;
typedef char CHAR;
typedef int INT;
typedef long LONG;
#endif
#endif
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/Designs/Data_loggers/GPSRL02A/SW/buffer/buffer.c
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/*! \file buffer.c \brief Multipurpose byte buffer structure and methods. */
//*****************************************************************************
//
// File Name : 'buffer.c'
// Title : Multipurpose byte buffer structure and methods
// Author : Pascal Stang - Copyright (C) 2001-2002
// Created : 9/23/2001
// Revised : 9/23/2001
// Version : 1.0
// Target MCU : any
// Editor Tabs : 4
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
#include "buffer.h"
#include "global.h"
#include "avr/io.h"
#ifndef CRITICAL_SECTION_START
#define CRITICAL_SECTION_START unsigned char _sreg = SREG; cli()
#define CRITICAL_SECTION_END SREG = _sreg
#endif
// global variables
// initialization
void bufferInit(cBuffer* buffer, unsigned char *start, unsigned short size)
{
// begin critical section
CRITICAL_SECTION_START;
// set start pointer of the buffer
buffer->dataptr = start;
buffer->size = size;
// initialize index and length
buffer->dataindex = 0;
buffer->datalength = 0;
// end critical section
CRITICAL_SECTION_END;
}
// access routines
unsigned char bufferGetFromFront(cBuffer* buffer)
{
unsigned char data = 0;
// begin critical section
CRITICAL_SECTION_START;
// check to see if there's data in the buffer
if(buffer->datalength)
{
// get the first character from buffer
data = buffer->dataptr[buffer->dataindex];
// move index down and decrement length
buffer->dataindex++;
if(buffer->dataindex >= buffer->size)
{
buffer->dataindex -= buffer->size;
}
buffer->datalength--;
}
// end critical section
CRITICAL_SECTION_END;
// return
return data;
}
void bufferDumpFromFront(cBuffer* buffer, unsigned short numbytes)
{
// begin critical section
CRITICAL_SECTION_START;
// dump numbytes from the front of the buffer
// are we dumping less than the entire buffer?
if(numbytes < buffer->datalength)
{
// move index down by numbytes and decrement length by numbytes
buffer->dataindex += numbytes;
if(buffer->dataindex >= buffer->size)
{
buffer->dataindex -= buffer->size;
}
buffer->datalength -= numbytes;
}
else
{
// flush the whole buffer
buffer->datalength = 0;
}
// end critical section
CRITICAL_SECTION_END;
}
unsigned char bufferGetAtIndex(cBuffer* buffer, unsigned short index)
{
// begin critical section
CRITICAL_SECTION_START;
// return character at index in buffer
unsigned char data = buffer->dataptr[(buffer->dataindex+index)%(buffer->size)];
// end critical section
CRITICAL_SECTION_END;
return data;
}
unsigned char bufferAddToEnd(cBuffer* buffer, unsigned char data)
{
// begin critical section
CRITICAL_SECTION_START;
// make sure the buffer has room
if(buffer->datalength < buffer->size)
{
// save data byte at end of buffer
buffer->dataptr[(buffer->dataindex + buffer->datalength) % buffer->size] = data;
// increment the length
buffer->datalength++;
// end critical section
CRITICAL_SECTION_END;
// return success
return -1;
}
// end critical section
CRITICAL_SECTION_END;
// return failure
return 0;
}
unsigned short bufferIsNotFull(cBuffer* buffer)
{
// begin critical section
CRITICAL_SECTION_START;
// check to see if the buffer has room
// return true if there is room
unsigned short bytesleft = (buffer->size - buffer->datalength);
// end critical section
CRITICAL_SECTION_END;
return bytesleft;
}
void bufferFlush(cBuffer* buffer)
{
// begin critical section
CRITICAL_SECTION_START;
// flush contents of the buffer
buffer->datalength = 0;
// end critical section
CRITICAL_SECTION_END;
}
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/Designs/Data_loggers/GPSRL02A/SW/buffer/buffer.h
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/*! \file buffer.h \brief Multipurpose byte buffer structure and methods. */
//*****************************************************************************
//
// File Name : 'buffer.h'
// Title : Multipurpose byte buffer structure and methods
// Author : Pascal Stang - Copyright (C) 2001-2002
// Created : 9/23/2001
// Revised : 11/16/2002
// Version : 1.1
// Target MCU : any
// Editor Tabs : 4
//
/// \ingroup general
/// \defgroup buffer Circular Byte-Buffer Structure and Function Library (buffer.c)
/// \code #include "buffer.h" \endcode
/// \par Overview
/// This byte-buffer structure provides an easy and efficient way to store
/// and process a stream of bytes.  You can create as many buffers as you
/// like (within memory limits), and then use this common set of functions to
/// access each buffer.  The buffers are designed for FIFO operation (first
/// in, first out).  This means that the first byte you put in the buffer
/// will be the first one you get when you read out the buffer.  Supported
/// functions include buffer initialize, get byte from front of buffer, add
/// byte to end of buffer, check if buffer is full, and flush buffer.  The
/// buffer uses a circular design so no copying of data is ever necessary.
/// This buffer is not dynamically allocated, it has a user-defined fixed
/// maximum size.  This buffer is used in many places in the avrlib code.
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
//@{
#ifndef BUFFER_H
#define BUFFER_H
// structure/typdefs
//! cBuffer structure
typedef struct struct_cBuffer
{
unsigned char *dataptr; ///< the physical memory address where the buffer is stored
unsigned short size; ///< the allocated size of the buffer
unsigned short datalength; ///< the length of the data currently in the buffer
unsigned short dataindex; ///< the index into the buffer where the data starts
} cBuffer;
// function prototypes
//! initialize a buffer to start at a given address and have given size
void bufferInit(cBuffer* buffer, unsigned char *start, unsigned short size);
//! get the first byte from the front of the buffer
unsigned char bufferGetFromFront(cBuffer* buffer);
//! dump (discard) the first numbytes from the front of the buffer
void bufferDumpFromFront(cBuffer* buffer, unsigned short numbytes);
//! get a byte at the specified index in the buffer (kind of like array access)
// ** note: this does not remove the byte that was read from the buffer
unsigned char bufferGetAtIndex(cBuffer* buffer, unsigned short index);
//! add a byte to the end of the buffer
unsigned char bufferAddToEnd(cBuffer* buffer, unsigned char data);
//! check if the buffer is full/not full (returns zero value if full)
unsigned short bufferIsNotFull(cBuffer* buffer);
//! flush (clear) the contents of the buffer
void bufferFlush(cBuffer* buffer);
#endif
//@}
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/Designs/Data_loggers/GPSRL02A/SW/buffer/global.h
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//*****************************************************************************
//
// File Name : 'global.h'
// Title : AVR project global include
// Author : Pascal Stang
// Created : 7/12/2001
// Revised : 9/30/2002
// Version : 1.1
// Target MCU : Atmel AVR series
// Editor Tabs : 4
//
// Description : This include file is designed to contain items useful to all
// code files and projects.
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
#ifndef GLOBAL_H
#define GLOBAL_H
// global AVRLIB defines
#include "avrlibdefs.h"
// global AVRLIB types definitions
#include "avrlibtypes.h"
// project/system dependent defines
#define UART_RX_BUFFER_SIZE 0x00FF
// CPU clock speed
//#define F_CPU 16000000 // 16MHz processor
//#define F_CPU 14745000 // 14.745MHz processor
#define F_CPU 8000000 // 8MHz processor
//#define F_CPU 7372800 // 7.37MHz processor
//#define F_CPU 4000000 // 4MHz processor
//#define F_CPU 3686400 // 3.69MHz processor
#define CYCLES_PER_US ((F_CPU+500000)/1000000) // cpu cycles per microsecond
#endif
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/Designs/Data_loggers/GPSRL02A/SW/buffer/rprintf.c
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/*! \file rprintf.c \brief printf routine and associated routines. */
//*****************************************************************************
//
// File Name : 'rprintf.c'
// Title : printf routine and associated routines
// Author : Pascal Stang - Copyright (C) 2000-2002
// Created : 2000.12.26
// Revised : 2003.5.1
// Version : 1.0
// Target MCU : Atmel AVR series and other targets
// Editor Tabs : 4
//
// NOTE: This code is currently below version 1.0, and therefore is considered
// to be lacking in some functionality or documentation, or may not be fully
// tested. Nonetheless, you can expect most functions to work.
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
#include <avr/pgmspace.h>
//#include <string-avr.h>
//#include <stdlib.h>
#include <stdarg.h>
#include "global.h"
#include "rprintf.h"
#ifndef TRUE
#define TRUE -1
#define FALSE 0
#endif
#define INF 32766 // maximum field size to print
#define READMEMBYTE(a,char_ptr) ((a)?(pgm_read_byte(char_ptr)):(*char_ptr))
#ifdef RPRINTF_COMPLEX
static unsigned char buf[128];
#endif
// use this to store hex conversion in RAM
//static char HexChars[] = "0123456789ABCDEF";
// use this to store hex conversion in program memory
//static prog_char HexChars[] = "0123456789ABCDEF";
static char __attribute__ ((progmem)) HexChars[] = "0123456789ABCDEF";
#define hexchar(x) pgm_read_byte( HexChars+((x)&0x0f) )
//#define hexchar(x) ((((x)&0x0F)>9)?((x)+'A'-10):((x)+'0'))
// function pointer to single character output routine
static void (*rputchar)(unsigned char c);
// *** rprintf initialization ***
// you must call this function once and supply the character output
// routine before using other functions in this library
void rprintfInit(void (*putchar_func)(unsigned char c))
{
rputchar = putchar_func;
}
// *** rprintfChar ***
// send a character/byte to the current output device
void rprintfChar(unsigned char c)
{
// do LF -> CR/LF translation
if(c == '\n')
rputchar('\r');
// send character
rputchar(c);
}
// *** rprintfStr ***
// prints a null-terminated string stored in RAM
void rprintfStr(char str[])
{
// send a string stored in RAM
// check to make sure we have a good pointer
if (!str) return;
// print the string until a null-terminator
while (*str)
rprintfChar(*str++);
}
// *** rprintfStrLen ***
// prints a section of a string stored in RAM
// begins printing at position indicated by <start>
// prints number of characters indicated by <len>
void rprintfStrLen(char str[], unsigned int start, unsigned int len)
{
register int i=0;
// check to make sure we have a good pointer
if (!str) return;
// spin through characters up to requested start
// keep going as long as there's no null
while((i++<start) && (*str++));
// for(i=0; i<start; i++)
// {
// // keep steping through string as long as there's no null
// if(*str) str++;
// }
// then print exactly len characters
for(i=0; i<len; i++)
{
// print data out of the string as long as we haven't reached a null yet
// at the null, start printing spaces
if(*str)
rprintfChar(*str++);
else
rprintfChar(' ');
}
}
// *** rprintfProgStr ***
// prints a null-terminated string stored in program ROM
void rprintfProgStr(const prog_char str[])
{
// print a string stored in program memory
register char c;
// check to make sure we have a good pointer
if (!str) return;
// print the string until the null-terminator
while((c = pgm_read_byte(str++)))
rprintfChar(c);
}
// *** rprintfCRLF ***
// prints carriage return and line feed
void rprintfCRLF(void)
{
// print CR/LF
//rprintfChar('\r');
// LF -> CR/LF translation built-in to rprintfChar()
rprintfChar('\n');
}
// *** rprintfu04 ***
// prints an unsigned 4-bit number in hex (1 digit)
void rprintfu04(unsigned char data)
{
// print 4-bit hex value
// char Character = data&0x0f;
// if (Character>9)
// Character+='A'-10;
// else
// Character+='0';
rprintfChar(hexchar(data));
}
// *** rprintfu08 ***
// prints an unsigned 8-bit number in hex (2 digits)
void rprintfu08(unsigned char data)
{
// print 8-bit hex value
rprintfu04(data>>4);
rprintfu04(data);
}
// *** rprintfu16 ***
// prints an unsigned 16-bit number in hex (4 digits)
void rprintfu16(unsigned short data)
{
// print 16-bit hex value
rprintfu08(data>>8);
rprintfu08(data);
}
// *** rprintfu32 ***
// prints an unsigned 32-bit number in hex (8 digits)
void rprintfu32(unsigned long data)
{
// print 32-bit hex value
rprintfu16(data>>16);
rprintfu16(data);
}
// *** rprintfNum ***
// special printf for numbers only
// see formatting information below
// Print the number "n" in the given "base"
// using exactly "numDigits"
// print +/- if signed flag "isSigned" is TRUE
// use the character specified in "padchar" to pad extra characters
//
// Examples:
// uartPrintfNum(10, 6, TRUE, ' ', 1234); --> " +1234"
// uartPrintfNum(10, 6, FALSE, '0', 1234); --> "001234"
// uartPrintfNum(16, 6, FALSE, '.', 0x5AA5); --> "..5AA5"
void rprintfNum(char base, char numDigits, char isSigned, char padchar, long n)
{
// define a global HexChars or use line below
//static char HexChars[16] = "0123456789ABCDEF";
char *p, buf[32];
unsigned long x;
unsigned char count;
// prepare negative number
if( isSigned && (n < 0) )
{
x = -n;
}
else
{
x = n;
}
// setup little string buffer
count = (numDigits-1)-(isSigned?1:0);
p = buf + sizeof (buf);
*--p = '\0';
// force calculation of first digit
// (to prevent zero from not printing at all!!!)
*--p = hexchar(x%base); x /= base;
// calculate remaining digits
while(count--)
{
if(x != 0)
{
// calculate next digit
*--p = hexchar(x%base); x /= base;
}
else
{
// no more digits left, pad out to desired length
*--p = padchar;
}
}
// apply signed notation if requested
if( isSigned )
{
if(n < 0)
{
*--p = '-';
}
else if(n > 0)
{
*--p = '+';
}
else
{
*--p = ' ';
}
}
// print the string right-justified
count = numDigits;
while(count--)
{
rprintfChar(*p++);
}
}
#ifdef RPRINTF_FLOAT
// *** rprintfFloat ***
// floating-point print
void rprintfFloat(char numDigits, double x)
{
unsigned char firstplace = FALSE;
unsigned char negative;
unsigned char i, digit;
double place = 1.0;
// save sign
negative = (x<0);
// convert to absolute value
x = (x>0)?(x):(-x);
// find starting digit place
for(i=0; i<15; i++)
{
if((x/place) < 10.0)
break;
else
place *= 10.0;
}
// print polarity character
if(negative)
rprintfChar('-');
else
rprintfChar('+');
// print digits
for(i=0; i<numDigits; i++)
{
digit = (x/place);
if(digit | firstplace | (place == 1.0))
{
firstplace = TRUE;
rprintfChar(digit+0x30);
}
else
rprintfChar(' ');
if(place == 1.0)
{
rprintfChar('.');
}
x -= (digit*place);
place /= 10.0;
}
}
#endif
#ifdef RPRINTF_SIMPLE
// *** rprintf1RamRom ***
// called by rprintf() - does a simple printf (supports %d, %x, %c)
// Supports:
// %d - decimal
// %x - hex
// %c - character
int rprintf1RamRom(unsigned char stringInRom, const char *format, ...)
{
// simple printf routine
// define a global HexChars or use line below
//static char HexChars[16] = "0123456789ABCDEF";
char format_flag;
unsigned int u_val, div_val, base;
va_list ap;
va_start(ap, format);
for (;;)
{
while ((format_flag = READMEMBYTE(stringInRom,format++) ) != '%')
{ // Until '%' or '\0'
if (!format_flag)
{
va_end(ap);
return(0);
}
rprintfChar(format_flag);
}
switch (format_flag = READMEMBYTE(stringInRom,format++) )
{
case 'c': format_flag = va_arg(ap,int);
default: rprintfChar(format_flag); continue;
case 'd': base = 10; div_val = 10000; goto CONVERSION_LOOP;
// case 'x': base = 16; div_val = 0x10;
case 'x': base = 16; div_val = 0x1000;
CONVERSION_LOOP:
u_val = va_arg(ap,int);
if (format_flag == 'd')
{
if (((int)u_val) < 0)
{
u_val = - u_val;
rprintfChar('-');
}
while (div_val > 1 && div_val > u_val) div_val /= 10;
}
do
{
//rprintfChar(pgm_read_byte(HexChars+(u_val/div_val)));
rprintfu04(u_val/div_val);
u_val %= div_val;
div_val /= base;
} while (div_val);
}
}
va_end(ap);
}
#endif
#ifdef RPRINTF_COMPLEX
// *** rprintf2RamRom ***
// called by rprintf() - does a more powerful printf (supports %d, %u, %o, %x, %c, %s)
// Supports:
// %d - decimal
// %u - unsigned decimal
// %o - octal
// %x - hex
// %c - character
// %s - strings
// and the width,precision,padding modifiers
// **this printf does not support floating point numbers
int rprintf2RamRom(unsigned char stringInRom, const char *sfmt, ...)
{
register unsigned char *f, *bp;
register long l;
register unsigned long u;
register int i;
register int fmt;
register unsigned char pad = ' ';
int flush_left = 0, f_width = 0, prec = INF, hash = 0, do_long = 0;
int sign = 0;
va_list ap;
va_start(ap, sfmt);
f = (unsigned char *) sfmt;
for (; READMEMBYTE(stringInRom,f); f++)
{
if (READMEMBYTE(stringInRom,f) != '%')
{ // not a format character
// then just output the char
rprintfChar(READMEMBYTE(stringInRom,f));
}
else
{
f++; // if we have a "%" then skip it
if (READMEMBYTE(stringInRom,f) == '-')
{
flush_left = 1; // minus: flush left
f++;
}
if (READMEMBYTE(stringInRom,f) == '0'
|| READMEMBYTE(stringInRom,f) == '.')
{
// padding with 0 rather than blank
pad = '0';
f++;
}
if (READMEMBYTE(stringInRom,f) == '*')
{ // field width
f_width = va_arg(ap, int);
f++;
}
else if (Isdigit(READMEMBYTE(stringInRom,f)))
{
f_width = atoiRamRom(stringInRom, (char *) f);
while (Isdigit(READMEMBYTE(stringInRom,f)))
f++; // skip the digits
}
if (READMEMBYTE(stringInRom,f) == '.')
{ // precision
f++;
if (READMEMBYTE(stringInRom,f) == '*')
{
prec = va_arg(ap, int);
f++;
}
else if (Isdigit(READMEMBYTE(stringInRom,f)))
{
prec = atoiRamRom(stringInRom, (char *) f);
while (Isdigit(READMEMBYTE(stringInRom,f)))
f++; // skip the digits
}
}
if (READMEMBYTE(stringInRom,f) == '#')
{ // alternate form
hash = 1;
f++;
}
if (READMEMBYTE(stringInRom,f) == 'l')
{ // long format
do_long = 1;
f++;
}
fmt = READMEMBYTE(stringInRom,f);
bp = buf;
switch (fmt) { // do the formatting
case 'd': // 'd' signed decimal
if (do_long)
l = va_arg(ap, long);
else
l = (long) (va_arg(ap, int));
if (l < 0)
{
sign = 1;
l = -l;
}
do {
*bp++ = l % 10 + '0';
} while ((l /= 10) > 0);
if (sign)
*bp++ = '-';
f_width = f_width - (bp - buf);
if (!flush_left)
while (f_width-- > 0)
rprintfChar(pad);
for (bp--; bp >= buf; bp--)
rprintfChar(*bp);
if (flush_left)
while (f_width-- > 0)
rprintfChar(' ');
break;
case 'o': // 'o' octal number
case 'x': // 'x' hex number
case 'u': // 'u' unsigned decimal
if (do_long)
u = va_arg(ap, unsigned long);
else
u = (unsigned long) (va_arg(ap, unsigned));
if (fmt == 'u')
{ // unsigned decimal
do {
*bp++ = u % 10 + '0';
} while ((u /= 10) > 0);
}
else if (fmt == 'o')
{ // octal
do {
*bp++ = u % 8 + '0';
} while ((u /= 8) > 0);
if (hash)
*bp++ = '0';
}
else if (fmt == 'x')
{ // hex
do {
i = u % 16;
if (i < 10)
*bp++ = i + '0';
else
*bp++ = i - 10 + 'a';
} while ((u /= 16) > 0);
if (hash)
{
*bp++ = 'x';
*bp++ = '0';
}
}
i = f_width - (bp - buf);
if (!flush_left)
while (i-- > 0)
rprintfChar(pad);
for (bp--; bp >= buf; bp--)
rprintfChar((int) (*bp));
if (flush_left)
while (i-- > 0)
rprintfChar(' ');
break;
case 'c': // 'c' character
i = va_arg(ap, int);
rprintfChar((int) (i));
break;
case 's': // 's' string
bp = va_arg(ap, unsigned char *);
if (!bp)
bp = (unsigned char *) "(nil)";
f_width = f_width - strlen((char *) bp);
if (!flush_left)
while (f_width-- > 0)
rprintfChar(pad);
for (i = 0; *bp && i < prec; i++)
{
rprintfChar(*bp);
bp++;
}
if (flush_left)
while (f_width-- > 0)
rprintfChar(' ');
break;
case '%': // '%' character
rprintfChar('%');
break;
}
flush_left = 0, f_width = 0, prec = INF, hash = 0, do_long = 0;
sign = 0;
pad = ' ';
}
}
va_end(ap);
return 0;
}
unsigned char Isdigit(char c)
{
if((c >= 0x30) && (c <= 0x39))
return TRUE;
else
return FALSE;
}
int atoiRamRom(unsigned char stringInRom, char *str)
{
int num = 0;;
while(Isdigit(READMEMBYTE(stringInRom,str)))
{
num *= 10;
num += ((READMEMBYTE(stringInRom,str++)) - 0x30);
}
return num;
}
#endif
//******************************************************************************
// code below this line is commented out and can be ignored
//******************************************************************************
/*
char* sprintf(const char *sfmt, ...)
{
register unsigned char *f, *bp, *str;
register long l;
register unsigned long u;
register int i;
register int fmt;
register unsigned char pad = ' ';
int flush_left = 0, f_width = 0, prec = INF, hash = 0, do_long = 0;
int sign = 0;
va_list ap;
va_start(ap, sfmt);
str = bufstring;
f = (unsigned char *) sfmt;
for (; *f; f++)
{
if (*f != '%')
{ // not a format character
*str++ = (*f); // then just output the char
}
else
{
f++; // if we have a "%" then skip it
if (*f == '-')
{
flush_left = 1; // minus: flush left
f++;
}
if (*f == '0' || *f == '.')
{
// padding with 0 rather than blank
pad = '0';
f++;
}
if (*f == '*')
{ // field width
f_width = va_arg(ap, int);
f++;
}
else if (Isdigit(*f))
{
f_width = atoi((char *) f);
while (Isdigit(*f))
f++; // skip the digits
}
if (*f == '.')
{ // precision
f++;
if (*f == '*')
{
prec = va_arg(ap, int);
f++;
}
else if (Isdigit(*f))
{
prec = atoi((char *) f);
while (Isdigit(*f))
f++; // skip the digits
}
}
if (*f == '#')
{ // alternate form
hash = 1;
f++;
}
if (*f == 'l')
{ // long format
do_long = 1;
f++;
}
fmt = *f;
bp = buf;
switch (fmt) { // do the formatting
case 'd': // 'd' signed decimal
if (do_long)
l = va_arg(ap, long);
else
l = (long) (va_arg(ap, int));
if (l < 0)
{
sign = 1;
l = -l;
}
do {
*bp++ = l % 10 + '0';
} while ((l /= 10) > 0);
if (sign)
*bp++ = '-';
f_width = f_width - (bp - buf);
if (!flush_left)
while (f_width-- > 0)
*str++ = (pad);
for (bp--; bp >= buf; bp--)
*str++ = (*bp);
if (flush_left)
while (f_width-- > 0)
*str++ = (' ');
break;
case 'o': // 'o' octal number
case 'x': // 'x' hex number
case 'u': // 'u' unsigned decimal
if (do_long)
u = va_arg(ap, unsigned long);
else
u = (unsigned long) (va_arg(ap, unsigned));
if (fmt == 'u')
{ // unsigned decimal
do {
*bp++ = u % 10 + '0';
} while ((u /= 10) > 0);
}
else if (fmt == 'o')
{ // octal
do {
*bp++ = u % 8 + '0';
} while ((u /= 8) > 0);
if (hash)
*bp++ = '0';
}
else if (fmt == 'x')
{ // hex
do {
i = u % 16;
if (i < 10)
*bp++ = i + '0';
else
*bp++ = i - 10 + 'a';
} while ((u /= 16) > 0);
if (hash)
{
*bp++ = 'x';
*bp++ = '0';
}
}
i = f_width - (bp - buf);
if (!flush_left)
while (i-- > 0)
*str++ = (pad);
for (bp--; bp >= buf; bp--)
*str++ = ((int) (*bp));
if (flush_left)
while (i-- > 0)
*str++ = (' ');
break;
case 'c': // 'c' character
i = va_arg(ap, int);
*str++ = ((int) (i));
break;
case 's': // 's' string
bp = va_arg(ap, unsigned char *);
if (!bp)
bp = (unsigned char *) "(nil)";
f_width = f_width - strlen((char *) bp);
if (!flush_left)
while (f_width-- > 0)
*str++ = (pad);
for (i = 0; *bp && i < prec; i++)
{
*str++ = (*bp);
bp++;
}
if (flush_left)
while (f_width-- > 0)
*str++ = (' ');
break;
case '%': // '%' character
*str++ = ('%');
break;
}
flush_left = 0, f_width = 0, prec = INF, hash = 0, do_long = 0;
sign = 0;
pad = ' ';
}
}
va_end(ap);
// terminate string with null
*str++ = '\0';
return bufstring;
}
*/
Property changes:
Added: svn:executable
+*
\ No newline at end of property

/Designs/Data_loggers/GPSRL02A/SW/buffer/rprintf.h
0,0 → 1,191
/*! \file rprintf.h \brief printf routine and associated routines. */
//****************************************************************************
//
// File Name : 'rprintf.h'
// Title : printf routine and associated routines
// Author : Pascal Stang - Copyright (C) 2000-2002
// Created : 2000.12.26
// Revised : 2003.5.1
// Version : 1.0
// Target MCU : Atmel AVR series and other targets
// Editor Tabs : 4
//
// NOTE: This code is currently below version 1.0, and therefore is considered
// to be lacking in some functionality or documentation, or may not be fully
// tested. Nonetheless, you can expect most functions to work.
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
/// \ingroup general
/// \defgroup rprintf printf() Function Library (rprintf.c)
/// \code #include "rprintf.h" \endcode
/// \par Overview
/// The rprintf function library provides a simplified (reduced) version of
/// the common C printf() function.  See the code files for details about
/// which printf features are supported.  Also in this library are a
/// variety of functions for fast printing of certain common data types
/// (variable types).  Functions include print string from RAM, print
/// string from ROM, print string snippet, print hex byte/short/long, and
/// a custom-formatted number print, as well as an optional floating-point
/// print routine.
///
/// \note All output from the rprintf library can be directed to any device
/// or software which accepts characters.  This means that rprintf output
/// can be sent to the UART (serial port) or can be used with the LCD
/// display libraries to print formatted text on the screen.
//
//****************************************************************************
//@{
#ifndef RPRINTF_H
#define RPRINTF_H
// needed for use of PSTR below
#include <avr/pgmspace.h>
// configuration
// defining RPRINTF_SIMPLE will compile a smaller, simpler, and faster printf() function
// defining RPRINTF_COMPLEX will compile a larger, more capable, and slower printf() function
#ifndef RPRINTF_COMPLEX
#define RPRINTF_SIMPLE
#endif
// Define RPRINTF_FLOAT to enable the floating-point printf function: rprintfFloat()
// (adds +4600bytes or 2.2Kwords of code)
// defines/constants
#define STRING_IN_RAM 0
#define STRING_IN_ROM 1
// make a putchar for those that are used to using it
//#define putchar(c) rprintfChar(c);
// functions
//! Initializes the rprintf library for an output stream.
/// You must call this initializer once before using any other rprintf function.
/// The argument must be a character stream output function.
void rprintfInit(void (*putchar_func)(unsigned char c));
//! prints a single character to the current output device
void rprintfChar(unsigned char c);
//! prints a null-terminated string stored in RAM
void rprintfStr(char str[]);
//! Prints a section of a string stored in RAM.
/// Begins printing at position indicated by <start>,
/// and prints number of characters indicated by <len>.
void rprintfStrLen(char str[], unsigned int start, unsigned int len);
//! prints a string stored in program rom
/// \note This function does not actually store your string in
/// program rom, but merely reads it assuming you stored it properly.
void rprintfProgStr(const prog_char str[]);
//! Using the function rprintfProgStrM(...) automatically causes
/// your string to be stored in ROM, thereby not wasting precious RAM.
/// Example usage:
/// \code
/// rprintfProgStrM("Hello, this string is stored in program rom");
/// \endcode
#define rprintfProgStrM(string) (rprintfProgStr(PSTR(string)))
//! Prints a carriage-return and line-feed.
/// Useful when printing to serial ports/terminals.
void rprintfCRLF(void);
// Prints the number contained in "data" in hex format
// u04,u08,u16,and u32 functions handle 4,8,16,or 32 bits respectively
void rprintfu04(unsigned char data); ///< Print 4-bit hex number. Outputs a single hex character.
void rprintfu08(unsigned char data); ///< Print 8-bit hex number. Outputs two hex characters.
void rprintfu16(unsigned short data); ///< Print 16-bit hex number. Outputs four hex characters.
void rprintfu32(unsigned long data); ///< Print 32-bit hex number. Outputs eight hex characters.
//! A flexible integer-number printing routine.
/// Print the number "n" in the given "base", using exactly "numDigits".
/// Print +/- if signed flag "isSigned" is TRUE.
/// The character specified in "padchar" will be used to pad extra characters.
///
/// Examples:
/// \code
/// uartPrintfNum(10, 6, TRUE, ' ', 1234); --> " +1234"
/// uartPrintfNum(10, 6, FALSE, '0', 1234); --> "001234"
/// uartPrintfNum(16, 6, FALSE, '.', 0x5AA5); --> "..5AA5"
/// \endcode
void rprintfNum(char base, char numDigits, char isSigned, char padchar, long n);
#ifdef RPRINTF_FLOAT
//! floating-point print routine
void rprintfFloat(char numDigits, double x);
#endif
// NOTE: Below you'll see the function prototypes of rprintf1RamRom and
// rprintf2RamRom. rprintf1RamRom and rprintf2RamRom are both reduced versions
// of the regular C printf() command. However, they are modified to be able
// to read their text/format strings from RAM or ROM in the Atmel microprocessors.
// Unless you really intend to, do not use the "RamRom" versions of the functions
// directly. Instead use the #defined function versions:
//
// printfx("text/format",args) ...to keep your text/format string stored in RAM
// - or -
// printfxROM("text/format",args) ...to keep your text/format string stored in ROM
//
// where x is either 1 or 2 for the simple or more powerful version of printf()
//
// Since there is much more ROM than RAM available in the Atmel microprocessors,
// and nearly all text/format strings are constant (never change in the course
// of the program), you should try to use the ROM printf version exclusively.
// This will ensure you leave as much RAM as possible for program variables and
// data.
//! \fn int rprintf(const char *format, ...);
/// A reduced substitute for the usual C printf() function.
/// This function actually points to either rprintf1RamRom or rprintf2RamRom
/// depending on the user's selection. Rprintf1 is a simple small fast print
/// routine while rprintf2 is larger and slower but more capable. To choose
/// the routine you would like to use, define either RPRINTF_SIMPLE or
/// RPRINTF_COMPLEX in global.h.
#ifdef RPRINTF_SIMPLE
//! A simple printf routine.
/// Called by rprintf() - does a simple printf (supports %d, %x, %c).
/// Supports:
/// - %d - decimal
/// - %x - hex
/// - %c - character
int rprintf1RamRom(unsigned char stringInRom, const char *format, ...);
// #defines for RAM or ROM operation
#define rprintf1(format, args...) rprintf1RamRom(STRING_IN_ROM, PSTR(format), ## args)
#define rprintf1RAM(format, args...) rprintf1RamRom(STRING_IN_RAM, format, ## args)
// *** Default rprintf(...) ***
// this next line determines what the the basic rprintf() defaults to:
#define rprintf(format, args...) rprintf1RamRom(STRING_IN_ROM, PSTR(format), ## args)
#endif
#ifdef RPRINTF_COMPLEX
//! A more powerful printf routine.
/// Called by rprintf() - does a more powerful printf (supports %d, %u, %o, %x, %c, %s).
/// Supports:
/// - %d - decimal
/// - %u - unsigned decimal
/// - %o - octal
/// - %x - hex
/// - %c - character
/// - %s - strings
/// - and the width,precision,padding modifiers
/// \note This printf does not support floating point numbers.
int rprintf2RamRom(unsigned char stringInRom, const char *sfmt, ...);
// #defines for RAM or ROM operation
#define rprintf2(format, args...) rprintf2RamRom(STRING_IN_ROM, format, ## args)
#define rprintf2RAM(format, args...) rprintf2RamRom(STRING_IN_RAM, format, ## args)
// *** Default rprintf(...) ***
// this next line determines what the the basic rprintf() defaults to:
#define rprintf(format, args...) rprintf2RamRom(STRING_IN_ROM, PSTR(format), ## args)
#endif
#endif
//@}
Property changes:
Added: svn:executable
+*
\ No newline at end of property

/Designs/Data_loggers/GPSRL02A/SW/buffer/timer.c
0,0 → 1,469
/*! \file timer.c \brief System Timer function library. */
//*****************************************************************************
//
// File Name : 'timer.c'
// Title : System Timer function library
// Author : Pascal Stang - Copyright (C) 2000-2002
// Created : 11/22/2000
// Revised : 07/09/2003
// Version : 1.1
// Target MCU : Atmel AVR Series
// Editor Tabs : 4
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <avr/sleep.h>
#include "global.h"
#include "timer.h"
#include "rprintf.h"
// Program ROM constants
// the prescale division values stored in order of timer control register index
// STOP, CLK, CLK/8, CLK/64, CLK/256, CLK/1024
unsigned short __attribute__ ((progmem)) TimerPrescaleFactor[] = {0,1,8,64,256,1024};
// the prescale division values stored in order of timer control register index
// STOP, CLK, CLK/8, CLK/32, CLK/64, CLK/128, CLK/256, CLK/1024
unsigned short __attribute__ ((progmem)) TimerRTCPrescaleFactor[] = {0,1,8,32,64,128,256,1024};
// Global variables
// time registers
volatile unsigned long TimerPauseReg;
volatile unsigned long Timer0Reg0;
volatile unsigned long Timer2Reg0;
typedef void (*voidFuncPtr)(void);
volatile static voidFuncPtr TimerIntFunc[TIMER_NUM_INTERRUPTS];
// delay for a minimum of <us> microseconds
// the time resolution is dependent on the time the loop takes
// e.g. with 4Mhz and 5 cycles per loop, the resolution is 1.25 us
void delay_us(unsigned short time_us)
{
unsigned short delay_loops;
register unsigned short i;
delay_loops = (time_us+3)/5*CYCLES_PER_US; // +3 for rounding up (dirty)
// one loop takes 5 cpu cycles
for (i=0; i < delay_loops; i++) {};
}
/*
void delay_ms(unsigned char time_ms)
{
unsigned short delay_count = F_CPU / 4000;
unsigned short cnt;
asm volatile ("\n"
"L_dl1%=:\n\t"
"mov %A0, %A2\n\t"
"mov %B0, %B2\n"
"L_dl2%=:\n\t"
"sbiw %A0, 1\n\t"
"brne L_dl2%=\n\t"
"dec %1\n\t" "brne L_dl1%=\n\t":"=&w" (cnt)
:"r"(time_ms), "r"((unsigned short) (delay_count))
);
}
*/
void timerInit(void)
{
u08 intNum;
// detach all user functions from interrupts
for(intNum=0; intNum<TIMER_NUM_INTERRUPTS; intNum++)
timerDetach(intNum);
// initialize all timers
timer0Init();
timer1Init();
#ifdef TCNT2 // support timer2 only if it exists
timer2Init();
#endif
// enable interrupts
sei();
}
void timer0Init()
{
// initialize timer 0
timer0SetPrescaler( TIMER0PRESCALE ); // set prescaler
outb(TCNT0, 0); // reset TCNT0
sbi(TIMSK, TOIE0); // enable TCNT0 overflow interrupt
timer0ClearOverflowCount(); // initialize time registers
}
void timer1Init(void)
{
// initialize timer 1
timer1SetPrescaler( TIMER1PRESCALE ); // set prescaler
outb(TCNT1H, 0); // reset TCNT1
outb(TCNT1L, 0);
sbi(TIMSK, TOIE1); // enable TCNT1 overflow
}
#ifdef TCNT2 // support timer2 only if it exists
void timer2Init(void)
{
// initialize timer 2
timer2SetPrescaler( TIMER2PRESCALE ); // set prescaler
outb(TCNT2, 0); // reset TCNT2
sbi(TIMSK, TOIE2); // enable TCNT2 overflow
timer2ClearOverflowCount(); // initialize time registers
}
#endif
void timer0SetPrescaler(u08 prescale)
{
// set prescaler on timer 0
outb(TCCR0, (inb(TCCR0) & ~TIMER_PRESCALE_MASK) | prescale);
}
void timer1SetPrescaler(u08 prescale)
{
// set prescaler on timer 1
outb(TCCR1B, (inb(TCCR1B) & ~TIMER_PRESCALE_MASK) | prescale);
}
#ifdef TCNT2 // support timer2 only if it exists
void timer2SetPrescaler(u08 prescale)
{
// set prescaler on timer 2
outb(TCCR2, (inb(TCCR2) & ~TIMER_PRESCALE_MASK) | prescale);
}
#endif
u16 timer0GetPrescaler(void)
{
// get the current prescaler setting
return (pgm_read_word(TimerPrescaleFactor+(inb(TCCR0) & TIMER_PRESCALE_MASK)));
}
u16 timer1GetPrescaler(void)
{
// get the current prescaler setting
return (pgm_read_word(TimerPrescaleFactor+(inb(TCCR1B) & TIMER_PRESCALE_MASK)));
}
#ifdef TCNT2 // support timer2 only if it exists
u16 timer2GetPrescaler(void)
{
//TODO: can we assume for all 3-timer AVR processors,
// that timer2 is the RTC timer?
// get the current prescaler setting
return (pgm_read_word(TimerRTCPrescaleFactor+(inb(TCCR2) & TIMER_PRESCALE_MASK)));
}
#endif
void timerAttach(u08 interruptNum, void (*userFunc)(void) )
{
// make sure the interrupt number is within bounds
if(interruptNum < TIMER_NUM_INTERRUPTS)
{
// set the interrupt function to run
// the supplied user's function
TimerIntFunc[interruptNum] = userFunc;
}
}
void timerDetach(u08 interruptNum)
{
// make sure the interrupt number is within bounds
if(interruptNum < TIMER_NUM_INTERRUPTS)
{
// set the interrupt function to run nothing
TimerIntFunc[interruptNum] = 0;
}
}
/*
u32 timerMsToTics(u16 ms)
{
// calculate the prescaler division rate
u16 prescaleDiv = 1<<(pgm_read_byte(TimerPrescaleFactor+inb(TCCR0)));
// calculate the number of timer tics in x milliseconds
return (ms*(F_CPU/(prescaleDiv*256)))/1000;
}
u16 timerTicsToMs(u32 tics)
{
// calculate the prescaler division rate
u16 prescaleDiv = 1<<(pgm_read_byte(TimerPrescaleFactor+inb(TCCR0)));
// calculate the number of milliseconds in x timer tics
return (tics*1000*(prescaleDiv*256))/F_CPU;
}
*/
void timerPause(unsigned short pause_ms)
{
// pauses for exactly <pause_ms> number of milliseconds
u08 timerThres;
u32 ticRateHz;
u32 pause;
// capture current pause timer value
timerThres = inb(TCNT0);
// reset pause timer overflow count
TimerPauseReg = 0;
// calculate delay for [pause_ms] milliseconds
// prescaler division = 1<<(pgm_read_byte(TimerPrescaleFactor+inb(TCCR0)))
ticRateHz = F_CPU/timer0GetPrescaler();
// precision management
// prevent overflow and precision underflow
// -could add more conditions to improve accuracy
if( ((ticRateHz < 429497) && (pause_ms <= 10000)) )
pause = (pause_ms*ticRateHz)/1000;
else
pause = pause_ms*(ticRateHz/1000);
// loop until time expires
while( ((TimerPauseReg<<8) | inb(TCNT0)) < (pause+timerThres) )
{
if( TimerPauseReg < (pause>>8));
{
// save power by idling the processor
set_sleep_mode(SLEEP_MODE_IDLE);
sleep_mode();
}
}
/* old inaccurate code, for reference
// calculate delay for [pause_ms] milliseconds
u16 prescaleDiv = 1<<(pgm_read_byte(TimerPrescaleFactor+inb(TCCR0)));
u32 pause = (pause_ms*(F_CPU/(prescaleDiv*256)))/1000;
TimerPauseReg = 0;
while(TimerPauseReg < pause);
*/
}
void timer0ClearOverflowCount(void)
{
// clear the timer overflow counter registers
Timer0Reg0 = 0; // initialize time registers
}
long timer0GetOverflowCount(void)
{
// return the current timer overflow count
// (this is since the last timer0ClearOverflowCount() command was called)
return Timer0Reg0;
}
#ifdef TCNT2 // support timer2 only if it exists
void timer2ClearOverflowCount(void)
{
// clear the timer overflow counter registers
Timer2Reg0 = 0; // initialize time registers
}
long timer2GetOverflowCount(void)
{
// return the current timer overflow count
// (this is since the last timer2ClearOverflowCount() command was called)
return Timer2Reg0;
}
#endif
void timer1PWMInit(u08 bitRes)
{
// configures timer1 for use with PWM output
// on OC1A and OC1B pins
// enable timer1 as 8,9,10bit PWM
if(bitRes == 9)
{ // 9bit mode
sbi(TCCR1A,PWM11);
cbi(TCCR1A,PWM10);
}
else if( bitRes == 10 )
{ // 10bit mode
sbi(TCCR1A,PWM11);
sbi(TCCR1A,PWM10);
}
else
{ // default 8bit mode
cbi(TCCR1A,PWM11);
sbi(TCCR1A,PWM10);
}
// clear output compare value A
outb(OCR1AH, 0);
outb(OCR1AL, 0);
// clear output compare value B
outb(OCR1BH, 0);
outb(OCR1BL, 0);
}
#ifdef WGM10
// include support for arbitrary top-count PWM
// on new AVR processors that support it
void timer1PWMInitICR(u16 topcount)
{
// set PWM mode with ICR top-count
cbi(TCCR1A,WGM10);
sbi(TCCR1A,WGM11);
sbi(TCCR1B,WGM12);
sbi(TCCR1B,WGM13);
// set top count value
ICR1 = topcount;
// clear output compare value A
OCR1A = 0;
// clear output compare value B
OCR1B = 0;
}
#endif
void timer1PWMOff(void)
{
// turn off timer1 PWM mode
cbi(TCCR1A,PWM11);
cbi(TCCR1A,PWM10);
// set PWM1A/B (OutputCompare action) to none
timer1PWMAOff();
timer1PWMBOff();
}
void timer1PWMAOn(void)
{
// turn on channel A (OC1A) PWM output
// set OC1A as non-inverted PWM
sbi(TCCR1A,COM1A1);
cbi(TCCR1A,COM1A0);
}
void timer1PWMBOn(void)
{
// turn on channel B (OC1B) PWM output
// set OC1B as non-inverted PWM
sbi(TCCR1A,COM1B1);
cbi(TCCR1A,COM1B0);
}
void timer1PWMAOff(void)
{
// turn off channel A (OC1A) PWM output
// set OC1A (OutputCompare action) to none
cbi(TCCR1A,COM1A1);
cbi(TCCR1A,COM1A0);
}
void timer1PWMBOff(void)
{
// turn off channel B (OC1B) PWM output
// set OC1B (OutputCompare action) to none
cbi(TCCR1A,COM1B1);
cbi(TCCR1A,COM1B0);
}
void timer1PWMASet(u16 pwmDuty)
{
// set PWM (output compare) duty for channel A
// this PWM output is generated on OC1A pin
// NOTE: pwmDuty should be in the range 0-255 for 8bit PWM
// pwmDuty should be in the range 0-511 for 9bit PWM
// pwmDuty should be in the range 0-1023 for 10bit PWM
//outp( (pwmDuty>>8), OCR1AH); // set the high 8bits of OCR1A
//outp( (pwmDuty&0x00FF), OCR1AL); // set the low 8bits of OCR1A
OCR1A = pwmDuty;
}
void timer1PWMBSet(u16 pwmDuty)
{
// set PWM (output compare) duty for channel B
// this PWM output is generated on OC1B pin
// NOTE: pwmDuty should be in the range 0-255 for 8bit PWM
// pwmDuty should be in the range 0-511 for 9bit PWM
// pwmDuty should be in the range 0-1023 for 10bit PWM
//outp( (pwmDuty>>8), OCR1BH); // set the high 8bits of OCR1B
//outp( (pwmDuty&0x00FF), OCR1BL); // set the low 8bits of OCR1B
OCR1B = pwmDuty;
}
//! Interrupt handler for tcnt0 overflow interrupt
TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW0)
{
Timer0Reg0++; // increment low-order counter
// increment pause counter
TimerPauseReg++;
// if a user function is defined, execute it too
if(TimerIntFunc[TIMER0OVERFLOW_INT])
TimerIntFunc[TIMER0OVERFLOW_INT]();
}
//! Interrupt handler for tcnt1 overflow interrupt
TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW1)
{
// if a user function is defined, execute it
if(TimerIntFunc[TIMER1OVERFLOW_INT])
TimerIntFunc[TIMER1OVERFLOW_INT]();
}
#ifdef TCNT2 // support timer2 only if it exists
//! Interrupt handler for tcnt2 overflow interrupt
TIMER_INTERRUPT_HANDLER(SIG_OVERFLOW2)
{
Timer2Reg0++; // increment low-order counter
// if a user function is defined, execute it
if(TimerIntFunc[TIMER2OVERFLOW_INT])
TimerIntFunc[TIMER2OVERFLOW_INT]();
}
#endif
#ifdef OCR0
// include support for Output Compare 0 for new AVR processors that support it
//! Interrupt handler for OutputCompare0 match (OC0) interrupt
TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE0)
{
// if a user function is defined, execute it
if(TimerIntFunc[TIMER0OUTCOMPARE_INT])
TimerIntFunc[TIMER0OUTCOMPARE_INT]();
}
#endif
//! Interrupt handler for CutputCompare1A match (OC1A) interrupt
TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE1A)
{
// if a user function is defined, execute it
if(TimerIntFunc[TIMER1OUTCOMPAREA_INT])
TimerIntFunc[TIMER1OUTCOMPAREA_INT]();
}
//! Interrupt handler for OutputCompare1B match (OC1B) interrupt
TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE1B)
{
// if a user function is defined, execute it
if(TimerIntFunc[TIMER1OUTCOMPAREB_INT])
TimerIntFunc[TIMER1OUTCOMPAREB_INT]();
}
//! Interrupt handler for InputCapture1 (IC1) interrupt
TIMER_INTERRUPT_HANDLER(SIG_INPUT_CAPTURE1)
{
// if a user function is defined, execute it
if(TimerIntFunc[TIMER1INPUTCAPTURE_INT])
TimerIntFunc[TIMER1INPUTCAPTURE_INT]();
}
//! Interrupt handler for OutputCompare2 match (OC2) interrupt
TIMER_INTERRUPT_HANDLER(SIG_OUTPUT_COMPARE2)
{
// if a user function is defined, execute it
if(TimerIntFunc[TIMER2OUTCOMPARE_INT])
TimerIntFunc[TIMER2OUTCOMPARE_INT]();
}
Property changes:
Added: svn:executable
+*
\ No newline at end of property

/Designs/Data_loggers/GPSRL02A/SW/buffer/timer.h
0,0 → 1,314
/*! \file timer.h \brief System Timer function library. */
//*****************************************************************************
//
// File Name : 'timer.h'
// Title : System Timer function library
// Author : Pascal Stang - Copyright (C) 2000-2002
// Created : 11/22/2000
// Revised : 02/10/2003
// Version : 1.1
// Target MCU : Atmel AVR Series
// Editor Tabs : 4
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
/// \ingroup driver_avr
/// \defgroup timer Timer Function Library (timer.c)
/// \code #include "timer.h" \endcode
/// \par Overview
/// This library provides functions for use with the timers internal
/// to the AVR processors. Functions include initialization, set prescaler,
/// calibrated pause function (in milliseconds), attaching and detaching of
/// user functions to interrupts, overflow counters, PWM. Arbitrary
/// frequency generation has been moved to the Pulse Library.
///
/// \par About Timers
/// The Atmel AVR-series processors each contain at least one
/// hardware timer/counter. Many of the processors contain 2 or 3
/// timers. Generally speaking, a timer is a hardware counter inside
/// the processor which counts at a rate related to the main CPU clock
/// frequency. Because the counter value increasing (counting up) at
/// a precise rate, we can use it as a timer to create or measure
/// precise delays, schedule events, or generate signals of a certain
/// frequency or pulse-width.
/// \par
/// As an example, the ATmega163 processor has 3 timer/counters.
/// Timer0, Timer1, and Timer2 are 8, 16, and 8 bits wide respectively.
/// This means that they overflow, or roll over back to zero, at a
/// count value of 256 for 8bits or 65536 for 16bits. A prescaler is
/// avaiable for each timer, and the prescaler allows you to pre-divide
/// the main CPU clock rate down to a slower speed before feeding it to
/// the counting input of a timer. For example, if the CPU clock
/// frequency is 3.69MHz, and Timer0's prescaler is set to divide-by-8,
/// then Timer0 will "tic" at 3690000/8 = 461250Hz. Because Timer0 is
/// an 8bit timer, it will count to 256 in just 256/461250Hz = 0.555ms.
/// In fact, when it hits 255, it will overflow and start again at
/// zero. In this case, Timer0 will overflow 461250/256 = 1801.76
/// times per second.
/// \par
/// Timer0 can be used a number of ways simultaneously. First, the
/// value of the timer can be read by accessing the CPU register \c TCNT0.
/// We could, for example, figure out how long it takes to execute a
/// C command by recording the value of \c TCNT0 before and after
/// execution, then subtract (after-before) = time elapsed. Or we can
/// enable the overflow interrupt which goes off every time T0
/// overflows and count out longer delays (multiple overflows), or
/// execute a special periodic function at every overflow.
/// \par
/// The other timers (Timer1 and Timer2) offer all the abilities of
/// Timer0 and many more features. Both T1 and T2 can operate as
/// general-purpose timers, but T1 has special hardware allowing it to
/// generate PWM signals, while T2 is specially designed to help count
/// out real time (like hours, minutes, seconds). See the
/// Timer/Counter section of the processor datasheet for more info.
///
//*****************************************************************************
//@{
#ifndef TIMER_H
#define TIMER_H
#include "global.h"
// constants/macros/typdefs
// processor compatibility fixes
#ifdef __AVR_ATmega323__
// redefinition for the Mega323
#define CTC1 CTC10
#endif
#ifndef PWM10
// mega128 PWM bits
#define PWM10 WGM10
#define PWM11 WGM11
#endif
// Timer/clock prescaler values and timer overflow rates
// tics = rate at which the timer counts up
// 8bitoverflow = rate at which the timer overflows 8bits (or reaches 256)
// 16bit [overflow] = rate at which the timer overflows 16bits (65536)
//
// overflows can be used to generate periodic interrupts
//
// for 8MHz crystal
// 0 = STOP (Timer not counting)
// 1 = CLOCK tics= 8MHz 8bitoverflow= 31250Hz 16bit= 122.070Hz
// 2 = CLOCK/8 tics= 1MHz 8bitoverflow= 3906.25Hz 16bit= 15.259Hz
// 3 = CLOCK/64 tics= 125kHz 8bitoverflow= 488.28Hz 16bit= 1.907Hz
// 4 = CLOCK/256 tics= 31250Hz 8bitoverflow= 122.07Hz 16bit= 0.477Hz
// 5 = CLOCK/1024 tics= 7812.5Hz 8bitoverflow= 30.52Hz 16bit= 0.119Hz
// 6 = External Clock on T(x) pin (falling edge)
// 7 = External Clock on T(x) pin (rising edge)
// for 4MHz crystal
// 0 = STOP (Timer not counting)
// 1 = CLOCK tics= 4MHz 8bitoverflow= 15625Hz 16bit= 61.035Hz
// 2 = CLOCK/8 tics= 500kHz 8bitoverflow= 1953.125Hz 16bit= 7.629Hz
// 3 = CLOCK/64 tics= 62500Hz 8bitoverflow= 244.141Hz 16bit= 0.954Hz
// 4 = CLOCK/256 tics= 15625Hz 8bitoverflow= 61.035Hz 16bit= 0.238Hz
// 5 = CLOCK/1024 tics= 3906.25Hz 8bitoverflow= 15.259Hz 16bit= 0.060Hz
// 6 = External Clock on T(x) pin (falling edge)
// 7 = External Clock on T(x) pin (rising edge)
// for 3.69MHz crystal
// 0 = STOP (Timer not counting)
// 1 = CLOCK tics= 3.69MHz 8bitoverflow= 14414Hz 16bit= 56.304Hz
// 2 = CLOCK/8 tics= 461250Hz 8bitoverflow= 1801.758Hz 16bit= 7.038Hz
// 3 = CLOCK/64 tics= 57625.25Hz 8bitoverflow= 225.220Hz 16bit= 0.880Hz
// 4 = CLOCK/256 tics= 14414.063Hz 8bitoverflow= 56.305Hz 16bit= 0.220Hz
// 5 = CLOCK/1024 tics= 3603.516Hz 8bitoverflow= 14.076Hz 16bit= 0.055Hz
// 6 = External Clock on T(x) pin (falling edge)
// 7 = External Clock on T(x) pin (rising edge)
// for 32.768KHz crystal on timer 2 (use for real-time clock)
// 0 = STOP
// 1 = CLOCK tics= 32.768kHz 8bitoverflow= 128Hz
// 2 = CLOCK/8 tics= 4096kHz 8bitoverflow= 16Hz
// 3 = CLOCK/32 tics= 1024kHz 8bitoverflow= 4Hz
// 4 = CLOCK/64 tics= 512Hz 8bitoverflow= 2Hz
// 5 = CLOCK/128 tics= 256Hz 8bitoverflow= 1Hz
// 6 = CLOCK/256 tics= 128Hz 8bitoverflow= 0.5Hz
// 7 = CLOCK/1024 tics= 32Hz 8bitoverflow= 0.125Hz
#define TIMER_CLK_STOP 0x00 ///< Timer Stopped
#define TIMER_CLK_DIV1 0x01 ///< Timer clocked at F_CPU
#define TIMER_CLK_DIV8 0x02 ///< Timer clocked at F_CPU/8
#define TIMER_CLK_DIV64 0x03 ///< Timer clocked at F_CPU/64
#define TIMER_CLK_DIV256 0x04 ///< Timer clocked at F_CPU/256
#define TIMER_CLK_DIV1024 0x05 ///< Timer clocked at F_CPU/1024
#define TIMER_CLK_T_FALL 0x06 ///< Timer clocked at T falling edge
#define TIMER_CLK_T_RISE 0x07 ///< Timer clocked at T rising edge
#define TIMER_PRESCALE_MASK 0x07 ///< Timer Prescaler Bit-Mask
#define TIMERRTC_CLK_STOP 0x00 ///< RTC Timer Stopped
#define TIMERRTC_CLK_DIV1 0x01 ///< RTC Timer clocked at F_CPU
#define TIMERRTC_CLK_DIV8 0x02 ///< RTC Timer clocked at F_CPU/8
#define TIMERRTC_CLK_DIV32 0x03 ///< RTC Timer clocked at F_CPU/32
#define TIMERRTC_CLK_DIV64 0x04 ///< RTC Timer clocked at F_CPU/64
#define TIMERRTC_CLK_DIV128 0x05 ///< RTC Timer clocked at F_CPU/128
#define TIMERRTC_CLK_DIV256 0x06 ///< RTC Timer clocked at F_CPU/256
#define TIMERRTC_CLK_DIV1024 0x07 ///< RTC Timer clocked at F_CPU/1024
#define TIMERRTC_PRESCALE_MASK 0x07 ///< RTC Timer Prescaler Bit-Mask
// default prescale settings for the timers
// these settings are applied when you call
// timerInit or any of the timer<x>Init
#define TIMER0PRESCALE TIMER_CLK_DIV8 ///< timer 0 prescaler default
#define TIMER1PRESCALE TIMER_CLK_DIV64 ///< timer 1 prescaler default
#define TIMER2PRESCALE TIMERRTC_CLK_DIV64 ///< timer 2 prescaler default
// interrupt macros for attaching user functions to timer interrupts
// use these with timerAttach( intNum, function )
#define TIMER0OVERFLOW_INT 0
#define TIMER1OVERFLOW_INT 1
#define TIMER1OUTCOMPAREA_INT 2
#define TIMER1OUTCOMPAREB_INT 3
#define TIMER1INPUTCAPTURE_INT 4
#define TIMER2OVERFLOW_INT 5
#define TIMER2OUTCOMPARE_INT 6
#ifdef OCR0 // for processors that support output compare on Timer0
#define TIMER0OUTCOMPARE_INT 7
#define TIMER_NUM_INTERRUPTS 8
#else
#define TIMER_NUM_INTERRUPTS 7
#endif
// default type of interrupt handler to use for timers
// *do not change unless you know what you're doing
// Value may be SIGNAL or INTERRUPT
#ifndef TIMER_INTERRUPT_HANDLER
#define TIMER_INTERRUPT_HANDLER SIGNAL
#endif
// functions
#define delay delay_us
#define delay_ms timerPause
void delay_us(unsigned short time_us);
//! initializes timing system (all timers)
// runs all timer init functions
// sets all timers to default prescale values #defined in systimer.c
void timerInit(void);
// default initialization routines for each timer
void timer0Init(void); ///< initialize timer0
void timer1Init(void); ///< initialize timer1
#ifdef TCNT2 // support timer2 only if it exists
void timer2Init(void); ///< initialize timer2
#endif
// Clock prescaler set/get commands for each timer/counter
// For setting the prescaler, you should use one of the #defines
// above like TIMER_CLK_DIVx, where [x] is the division rate
// you want.
// When getting the current prescaler setting, the return value
// will be the [x] division value currently set.
void timer0SetPrescaler(u08 prescale); ///< set timer0 prescaler
u16 timer0GetPrescaler(void); ///< get timer0 prescaler
void timer1SetPrescaler(u08 prescale); ///< set timer1 prescaler
u16 timer1GetPrescaler(void); ///< get timer0 prescaler
#ifdef TCNT2 // support timer2 only if it exists
void timer2SetPrescaler(u08 prescale); ///< set timer2 prescaler
u16 timer2GetPrescaler(void); ///< get timer2 prescaler
#endif
// TimerAttach and Detach commands
// These functions allow the attachment (or detachment) of any user function
// to a timer interrupt. "Attaching" one of your own functions to a timer
// interrupt means that it will be called whenever that interrupt happens.
// Using attach is better than rewriting the actual INTERRUPT() function
// because your code will still work and be compatible if the timer library
// is updated. Also, using Attach allows your code and any predefined timer
// code to work together and at the same time. (ie. "attaching" your own
// function to the timer0 overflow doesn't prevent timerPause from working,
// but rather allows you to share the interrupt.)
//
// timerAttach(TIMER1OVERFLOW_INT, myOverflowFunction);
// timerDetach(TIMER1OVERFLOW_INT)
//
// timerAttach causes the myOverflowFunction() to be attached, and therefore
// execute, whenever an overflow on timer1 occurs. timerDetach removes the
// association and executes no user function when the interrupt occurs.
// myOverflowFunction must be defined with no return value and no arguments:
//
// void myOverflowFunction(void) { ... }
//! Attach a user function to a timer interrupt
void timerAttach(u08 interruptNum, void (*userFunc)(void) );
//! Detach a user function from a timer interrupt
void timerDetach(u08 interruptNum);
// timing commands
/// A timer-based delay/pause function
/// @param pause_ms Number of integer milliseconds to wait.
void timerPause(unsigned short pause_ms);
// overflow counters
void timer0ClearOverflowCount(void); ///< Clear timer0's overflow counter.
long timer0GetOverflowCount(void); ///< read timer0's overflow counter
#ifdef TCNT2 // support timer2 only if it exists
void timer2ClearOverflowCount(void); ///< clear timer2's overflow counter
long timer2GetOverflowCount(void); ///< read timer0's overflow counter
#endif
/// @defgroup timerpwm Timer PWM Commands
/// @ingroup timer
/// These commands control PWM functionality on timer1
// PWM initialization and set commands for timer1
// timer1PWMInit()
// configures the timer1 hardware for PWM mode on pins OC1A and OC1B.
// bitRes should be 8,9,or 10 for 8,9,or 10bit PWM resolution
//
// timer1PWMOff()
// turns off all timer1 PWM output and set timer mode to normal state
//
// timer1PWMAOn() and timer1PWMBOn()
// turn on output of PWM signals to OC1A or OC1B pins
// NOTE: Until you define the OC1A and OC1B pins as outputs, and run
// this "on" command, no PWM output will be output
//
// timer1PWMAOff() and timer1PWMBOff()
// turn off output of PWM signals to OC1A or OC1B pins
//
// timer1PWMASet() and timer1PWMBSet()
// sets the PWM duty cycle for each channel
// NOTE: <pwmDuty> should be in the range 0-255 for 8bit PWM
// <pwmDuty> should be in the range 0-511 for 9bit PWM
// <pwmDuty> should be in the range 0-1023 for 10bit PWM
// NOTE: the PWM frequency can be controlled in increments by setting the
// prescaler for timer1
//@{
/// Enter standard PWM Mode on timer1.
/// \param bitRes indicates the period/resolution to use for PWM output in timer bits.
/// Must be either 8, 9, or 10 bits corresponding to PWM periods of 256, 512, or 1024 timer tics.
void timer1PWMInit(u08 bitRes);
/// Enter PWM Mode on timer1 with a specific top-count value.
/// \param topcount indicates the desired PWM period in timer tics.
/// Can be a number between 1 and 65535 (16-bit).
void timer1PWMInitICR(u16 topcount);
/// Turn off all timer1 PWM output and set timer mode to normal.
void timer1PWMOff(void);
/// Turn on/off Timer1 PWM outputs.
void timer1PWMAOn(void); ///< Turn on timer1 Channel A (OC1A) PWM output.
void timer1PWMBOn(void); ///< Turn on timer1 Channel B (OC1B) PWM output.
void timer1PWMAOff(void); ///< turn off timer1 Channel A (OC1A) PWM output
void timer1PWMBOff(void); ///< turn off timer1 Channel B (OC1B) PWM output
void timer1PWMASet(u16 pwmDuty); ///< set duty of timer1 Channel A (OC1A) PWM output
void timer1PWMBSet(u16 pwmDuty); ///< set duty of timer1 Channel B (OC1B) PWM output
//@}
//@}
// Pulse generation commands have been moved to the pulse.c library
#endif
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/Designs/Data_loggers/GPSRL02A/SW/buffer/uart.c
0,0 → 1,283
/*! \file uart.c \brief UART driver with buffer support. */
// *****************************************************************************
//
// File Name : 'uart.c'
// Title : UART driver with buffer support
// Author : Pascal Stang - Copyright (C) 2000-2002
// Created : 11/22/2000
// Revised : 06/09/2003
// Version : 1.3
// Target MCU : ATMEL AVR Series
// Editor Tabs : 4
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
// *****************************************************************************
#include <avr/io.h>
#include <avr/interrupt.h>
#include "buffer.h"
#include "uart.h"
// UART global variables
// flag variables
volatile u08 uartReadyTx; ///< uartReadyTx flag
volatile u08 uartBufferedTx; ///< uartBufferedTx flag
// receive and transmit buffers
cBuffer uartRxBuffer; ///< uart receive buffer
cBuffer uartTxBuffer; ///< uart transmit buffer
unsigned short uartRxOverflow; ///< receive overflow counter
#ifndef UART_BUFFERS_EXTERNAL_RAM
// using internal ram,
// automatically allocate space in ram for each buffer
static char uartRxData[UART_RX_BUFFER_SIZE];
static char uartTxData[UART_TX_BUFFER_SIZE];
#endif
typedef void (*voidFuncPtru08)(unsigned char);
volatile static voidFuncPtru08 UartRxFunc;
// enable and initialize the uart
void uartInit(void)
{
// initialize the buffers
uartInitBuffers();
// initialize user receive handler
UartRxFunc = 0;
// enable RxD/TxD and interrupts
outb(UCR, BV(RXCIE)|BV(TXCIE)|BV(RXEN)|BV(TXEN));
// set default baud rate
uartSetBaudRate(UART_DEFAULT_BAUD_RATE);
// initialize states
uartReadyTx = TRUE;
uartBufferedTx = FALSE;
// clear overflow count
uartRxOverflow = 0;
// enable interrupts
sei();
}
// create and initialize the uart transmit and receive buffers
void uartInitBuffers(void)
{
#ifndef UART_BUFFERS_EXTERNAL_RAM
// initialize the UART receive buffer
bufferInit(&uartRxBuffer, uartRxData, UART_RX_BUFFER_SIZE);
// initialize the UART transmit buffer
bufferInit(&uartTxBuffer, uartTxData, UART_TX_BUFFER_SIZE);
#else
// initialize the UART receive buffer
bufferInit(&uartRxBuffer, (u08*) UART_RX_BUFFER_ADDR, UART_RX_BUFFER_SIZE);
// initialize the UART transmit buffer
bufferInit(&uartTxBuffer, (u08*) UART_TX_BUFFER_ADDR, UART_TX_BUFFER_SIZE);
#endif
}
// redirects received data to a user function
void uartSetRxHandler(void (*rx_func)(unsigned char c))
{
// set the receive interrupt to run the supplied user function
UartRxFunc = rx_func;
}
// set the uart baud rate
void uartSetBaudRate(u32 baudrate)
{
// calculate division factor for requested baud rate, and set it
u16 bauddiv = ((F_CPU+(baudrate*8L))/(baudrate*16L)-1);
outb(UBRRL, bauddiv);
#ifdef UBRRH
outb(UBRRH, bauddiv>>8);
#endif
}
// returns the receive buffer structure
cBuffer* uartGetRxBuffer(void)
{
// return rx buffer pointer
return &uartRxBuffer;
}
// returns the transmit buffer structure
cBuffer* uartGetTxBuffer(void)
{
// return tx buffer pointer
return &uartTxBuffer;
}
// transmits a byte over the uart
void uartSendByte(u08 txData)
{
// wait for the transmitter to be ready
while(!uartReadyTx);
// send byte
outb(UDR, txData);
// set ready state to FALSE
uartReadyTx = FALSE;
}
// gets a single byte from the uart receive buffer (getchar-style)
int uartGetByte(void)
{
u08 c;
if(uartReceiveByte(&c))
return c;
else
return -1;
}
// gets a byte (if available) from the uart receive buffer
u08 uartReceiveByte(u08* rxData)
{
// make sure we have a receive buffer
if(uartRxBuffer.size)
{
// make sure we have data
if(uartRxBuffer.datalength)
{
// get byte from beginning of buffer
*rxData = bufferGetFromFront(&uartRxBuffer);
return TRUE;
}
else
{
// no data
return FALSE;
}
}
else
{
// no buffer
return FALSE;
}
}
// flush all data out of the receive buffer
void uartFlushReceiveBuffer(void)
{
// flush all data from receive buffer
//bufferFlush(&uartRxBuffer);
// same effect as above
uartRxBuffer.datalength = 0;
}
// return true if uart receive buffer is empty
u08 uartReceiveBufferIsEmpty(void)
{
if(uartRxBuffer.datalength == 0)
{
return TRUE;
}
else
{
return FALSE;
}
}
// add byte to end of uart Tx buffer
u08 uartAddToTxBuffer(u08 data)
{
// add data byte to the end of the tx buffer
return bufferAddToEnd(&uartTxBuffer, data);
}
// start transmission of the current uart Tx buffer contents
void uartSendTxBuffer(void)
{
// turn on buffered transmit
uartBufferedTx = TRUE;
// send the first byte to get things going by interrupts
uartSendByte(bufferGetFromFront(&uartTxBuffer));
}
/*
// transmit nBytes from buffer out the uart
u08 uartSendBuffer(char *buffer, u16 nBytes)
{
register u08 first;
register u16 i;
// check if there's space (and that we have any bytes to send at all)
if((uartTxBuffer.datalength + nBytes < uartTxBuffer.size) && nBytes)
{
// grab first character
first = *buffer++;
// copy user buffer to uart transmit buffer
for(i = 0; i < nBytes-1; i++)
{
// put data bytes at end of buffer
bufferAddToEnd(&uartTxBuffer, *buffer++);
}
// send the first byte to get things going by interrupts
uartBufferedTx = TRUE;
uartSendByte(first);
// return success
return TRUE;
}
else
{
// return failure
return FALSE;
}
}
*/
// UART Transmit Complete Interrupt Handler
UART_INTERRUPT_HANDLER(SIG_UART_TRANS)
{
// check if buffered tx is enabled
if(uartBufferedTx)
{
// check if there's data left in the buffer
if(uartTxBuffer.datalength)
{
// send byte from top of buffer
outb(UDR, bufferGetFromFront(&uartTxBuffer));
}
else
{
// no data left
uartBufferedTx = FALSE;
// return to ready state
uartReadyTx = TRUE;
}
}
else
{
// we're using single-byte tx mode
// indicate transmit complete, back to ready
uartReadyTx = TRUE;
}
}
// UART Receive Complete Interrupt Handler
UART_INTERRUPT_HANDLER(SIG_UART_RECV)
{
u08 c;
// get received char
c = inb(UDR);
// if there's a user function to handle this receive event
if(UartRxFunc)
{
// call it and pass the received data
UartRxFunc(c);
}
else
{
// otherwise do default processing
// put received char in buffer
// check if there's space
if( !bufferAddToEnd(&uartRxBuffer, c) )
{
// no space in buffer
// count overflow
uartRxOverflow++;
}
}
}
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/Designs/Data_loggers/GPSRL02A/SW/buffer/uart.h
0,0 → 1,232
/*! \file uart.h \brief UART driver with buffer support. */
//*****************************************************************************
//
// File Name : 'uart.h'
// Title : UART driver with buffer support
// Author : Pascal Stang - Copyright (C) 2000-2002
// Created : 11/22/2000
// Revised : 02/01/2004
// Version : 1.3
// Target MCU : ATMEL AVR Series
// Editor Tabs : 4
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
/// \ingroup driver_avr
/// \defgroup uart UART Driver/Function Library (uart.c)
/// \code #include "uart.h" \endcode
/// \par Overview
/// This library provides both buffered and unbuffered transmit and receive
/// functions for the AVR processor UART.  Buffered access means that the
/// UART can transmit and receive data in the "background", while your code
/// continues executing.  Also included are functions to initialize the
/// UART, set the baud rate, flush the buffers, and check buffer status.
///
/// \note For full text output functionality, you may wish to use the rprintf
/// functions along with this driver.
///
/// \par About UART operations
/// Most Atmel AVR-series processors contain one or more hardware UARTs
/// (aka, serial ports). UART serial ports can communicate with other
/// serial ports of the same type, like those used on PCs. In general,
/// UARTs are used to communicate with devices that are RS-232 compatible
/// (RS-232 is a certain kind of serial port).
/// \par
/// By far, the most common use for serial communications on AVR processors
/// is for sending information and data to a PC running a terminal program.
/// Here is an exmaple:
/// \code
/// uartInit(); // initialize UART (serial port)
/// uartSetBaudRate(9600); // set UART speed to 9600 baud
/// rprintfInit(uartSendByte); // configure rprintf to use UART for output
/// rprintf("Hello World\r\n"); // send "hello world" message via serial port
/// \endcode
///
/// \warning The CPU frequency (F_CPU) must be set correctly in \c global.h
/// for the UART library to calculate correct baud rates. Furthermore,
/// certain CPU frequencies will not produce exact baud rates due to
/// integer frequency division round-off. See your AVR processor's
/// datasheet for full details.
//
//*****************************************************************************
//@{
#ifndef UART_H
#define UART_H
#include "global.h"
#include "buffer.h"
//! Default uart baud rate.
/// This is the default speed after a uartInit() command,
/// and can be changed by using uartSetBaudRate().
#define UART_DEFAULT_BAUD_RATE 9600
// buffer memory allocation defines
// buffer sizes
#ifndef UART_TX_BUFFER_SIZE
//! Number of bytes for uart transmit buffer.
/// Do not change this value in uart.h, but rather override
/// it with the desired value defined in your project's global.h
#define UART_TX_BUFFER_SIZE 0x0040
#endif
#ifndef UART_RX_BUFFER_SIZE
//! Number of bytes for uart receive buffer.
/// Do not change this value in uart.h, but rather override
/// it with the desired value defined in your project's global.h
#define UART_RX_BUFFER_SIZE 0x0040
#endif
// define this key if you wish to use
// external RAM for the UART buffers
//#define UART_BUFFER_EXTERNAL_RAM
#ifdef UART_BUFFER_EXTERNAL_RAM
// absolute address of uart buffers
#define UART_TX_BUFFER_ADDR 0x1000
#define UART_RX_BUFFER_ADDR 0x1100
#endif
//! Type of interrupt handler to use for uart interrupts.
/// Value may be SIGNAL or INTERRUPT.
/// \warning Do not change unless you know what you're doing.
#ifndef UART_INTERRUPT_HANDLER
#define UART_INTERRUPT_HANDLER SIGNAL
#endif
// compatibility with most newer processors
#ifdef UCSRB
#define UCR UCSRB
#endif
// compatibility with old Mega processors
#if defined(UBRR) && !defined(UBRRL)
#define UBRRL UBRR
#endif
// compatibility with megaXX8 processors
#if defined(__AVR_ATmega88__) || \
defined(__AVR_ATmega168__) || \
defined(__AVR_ATmega644__)
#define UDR UDR0
#define UCR UCSR0B
#define RXCIE RXCIE0
#define TXCIE TXCIE0
#define RXC RXC0
#define TXC TXC0
#define RXEN RXEN0
#define TXEN TXEN0
#define UBRRL UBRR0L
#define UBRRH UBRR0H
#define SIG_UART_TRANS SIG_USART_TRANS
#define SIG_UART_RECV SIG_USART_RECV
#define SIG_UART_DATA SIG_USART_DATA
#endif
// compatibility with mega169 processors
#if defined(__AVR_ATmega169__)
#define SIG_UART_TRANS SIG_USART_TRANS
#define SIG_UART_RECV SIG_USART_RECV
#define SIG_UART_DATA SIG_USART_DATA
#endif
// compatibility with dual-uart processors
// (if you need to use both uarts, please use the uart2 library)
#if defined(__AVR_ATmega161__)
#define UDR UDR0
#define UCR UCSR0B
#define UBRRL UBRR0
#define SIG_UART_TRANS SIG_UART0_TRANS
#define SIG_UART_RECV SIG_UART0_RECV
#define SIG_UART_DATA SIG_UART0_DATA
#endif
#if defined(__AVR_ATmega128__)
#ifdef UART_USE_UART1
#define UDR UDR1
#define UCR UCSR1B
#define UBRRL UBRR1L
#define UBRRH UBRR1H
#define SIG_UART_TRANS SIG_UART1_TRANS
#define SIG_UART_RECV SIG_UART1_RECV
#define SIG_UART_DATA SIG_UART1_DATA
#else
#define UDR UDR0
#define UCR UCSR0B
#define UBRRL UBRR0L
#define UBRRH UBRR0H
#define SIG_UART_TRANS SIG_UART0_TRANS
#define SIG_UART_RECV SIG_UART0_RECV
#define SIG_UART_DATA SIG_UART0_DATA
#endif
#endif
// functions
//! Initializes uart.
/// \note After running this init function, the processor
/// I/O pins that used for uart communications (RXD, TXD)
/// are no long available for general purpose I/O.
void uartInit(void);
//! Initializes transmit and receive buffers.
/// Automatically called from uartInit()
void uartInitBuffers(void);
//! Redirects received data to a user function.
///
void uartSetRxHandler(void (*rx_func)(unsigned char c));
//! Sets the uart baud rate.
/// Argument should be in bits-per-second, like \c uartSetBaudRate(9600);
void uartSetBaudRate(u32 baudrate);
//! Returns pointer to the receive buffer structure.
///
cBuffer* uartGetRxBuffer(void);
//! Returns pointer to the transmit buffer structure.
///
cBuffer* uartGetTxBuffer(void);
//! Sends a single byte over the uart.
/// \note This function waits for the uart to be ready,
/// therefore, consecutive calls to uartSendByte() will
/// go only as fast as the data can be sent over the
/// serial port.
void uartSendByte(u08 data);
//! Gets a single byte from the uart receive buffer.
/// Returns the byte, or -1 if no byte is available (getchar-style).
int uartGetByte(void);
//! Gets a single byte from the uart receive buffer.
/// Function returns TRUE if data was available, FALSE if not.
/// Actual data is returned in variable pointed to by "data".
/// Example usage:
/// \code
/// char myReceivedByte;
/// uartReceiveByte( &myReceivedByte );
/// \endcode
u08 uartReceiveByte(u08* data);
//! Returns TRUE/FALSE if receive buffer is empty/not-empty.
///
u08 uartReceiveBufferIsEmpty(void);
//! Flushes (deletes) all data from receive buffer.
///
void uartFlushReceiveBuffer(void);
//! Add byte to end of uart Tx buffer.
/// Returns TRUE if successful, FALSE if failed (no room left in buffer).
u08 uartAddToTxBuffer(u08 data);
//! Begins transmission of the transmit buffer under interrupt control.
///
void uartSendTxBuffer(void);
//! Sends a block of data via the uart using interrupt control.
/// \param buffer pointer to data to be sent
/// \param nBytes length of data (number of bytes to sent)
u08 uartSendBuffer(char *buffer, u16 nBytes);
#endif
//@}
Property changes:
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/Designs/Data_loggers/GPSRL02A/SW/buffer/vt100.c
0,0 → 1,69
/*! \file vt100.c \brief VT100 terminal function library. */
//*****************************************************************************
//
// File Name : 'vt100.c'
// Title : VT100 terminal function library
// Author : Pascal Stang - Copyright (C) 2002
// Created : 2002.08.27
// Revised : 2002.08.27
// Version : 0.1
// Target MCU : Atmel AVR Series
// Editor Tabs : 4
//
// NOTE: This code is currently below version 1.0, and therefore is considered
// to be lacking in some functionality or documentation, or may not be fully
// tested. Nonetheless, you can expect most functions to work.
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include "global.h"
#include "rprintf.h"
#include "vt100.h"
// Program ROM constants
// Global variables
// Functions
void vt100Init(void)
{
// initializes terminal to "power-on" settings
// ESC c
rprintfProgStrM("\x1B\x63");
}
void vt100ClearScreen(void)
{
// ESC [ 2 J
rprintfProgStrM("\x1B[2J");
}
void vt100SetAttr(u08 attr)
{
// ESC [ Ps m
rprintf("\x1B[%dm",attr);
}
void vt100SetCursorMode(u08 visible)
{
if(visible)
// ESC [ ? 25 h
rprintf("\x1B[?25h");
else
// ESC [ ? 25 l
rprintf("\x1B[?25l");
}
void vt100SetCursorPos(u08 line, u08 col)
{
// ESC [ Pl ; Pc H
rprintf("\x1B[%d;%dH",line,col);
}
Property changes:
Added: svn:executable
+*
\ No newline at end of property

/Designs/Data_loggers/GPSRL02A/SW/buffer/vt100.h
0,0 → 1,72
/*! \file vt100.h \brief VT100 terminal function library. */
//*****************************************************************************
//
// File Name : 'vt100.h'
// Title : VT100 terminal function library
// Author : Pascal Stang - Copyright (C) 2002
// Created : 2002.08.27
// Revised : 2002.08.27
// Version : 0.1
// Target MCU : Atmel AVR Series
// Editor Tabs : 4
//
// NOTE: This code is currently below version 1.0, and therefore is considered
// to be lacking in some functionality or documentation, or may not be fully
// tested. Nonetheless, you can expect most functions to work.
//
/// \ingroup general
/// \defgroup vt100 VT100 Terminal Function Library (vt100.c)
/// \code #include "vt100.h" \endcode
/// \par Overview
/// This library provides functions for sending VT100 escape codes to
/// control a connected VT100 or ANSI terminal.  Commonly useful functions
/// include setting the cursor position, clearing the screen, setting the text
/// attributes (bold, inverse, blink, etc), and setting the text color.  This
/// library will slowly be expanded to include support for codes as needed and
/// may eventually receive VT100 escape codes too.
//
// This code is distributed under the GNU Public License
// which can be found at http://www.gnu.org/licenses/gpl.txt
//
//*****************************************************************************
#ifndef VT100_H
#define VT100_H
#include "global.h"
// constants/macros/typdefs
// text attributes
#define VT100_ATTR_OFF 0
#define VT100_BOLD 1
#define VT100_USCORE 4
#define VT100_BLINK 5
#define VT100_REVERSE 7
#define VT100_BOLD_OFF 21
#define VT100_USCORE_OFF 24
#define VT100_BLINK_OFF 25
#define VT100_REVERSE_OFF 27
// functions
//! vt100Init() initializes terminal and vt100 library
/// Run this init routine once before using any other vt100 function.
void vt100Init(void);
//! vt100ClearScreen() clears the terminal screen
void vt100ClearScreen(void);
//! vt100SetAttr() sets the text attributes like BOLD or REVERSE
/// Text written to the terminal after this function is called will have
/// the desired attribuutes.
void vt100SetAttr(u08 attr);
//! vt100SetCursorMode() sets the cursor to visible or invisible
void vt100SetCursorMode(u08 visible);
//! vt100SetCursorPos() sets the cursor position
/// All text which is written to the terminal after a SetCursorPos command
/// will begin at the new location of the cursor.
void vt100SetCursorPos(u08 line, u08 col);
#endif
Property changes:
Added: svn:executable
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/Designs/Data_loggers/GPSRL02A/SW/logger/ChangeLog
0,0 → 1,68
2007-12-13 sd-reader
* dual-license the major implementation modules under GPL and LGPL
2007-06-03 sd-reader
* Fix reading beyond cached block (by Benjamin Meier).
* Implement support for reading and writing file modification dates/times.
(Thanks to Torsten Seeboth for testing.)
2007-03-01 sd-reader
* Avoid LFN directory entries for the "." and ".." directory references.
This prevented Windows from deleting directories.
* Handle special case where the 8.3 filename begins with 0xe5.
* Fix return value of fat16_delete_file() when deleting empty files.
* Fix fat16_clear_cluster() which was zeroing only 16 of every 32 bytes.
2007-01-20 sd-reader
* fix directory creation
- correctly create "." and ".." directory entries (8.3 <-> lfn versions)
- correctly clear cluster containing the directory entries for new directory
2006-11-01 sd-reader
* Implement creation and deletion of directories.
* Clear the directory entries of new directory clusters.
* Prevent linkage against printf().
* Make the use of malloc()/free() optional.
2006-09-01 sd-reader
* Fix shortening files.
* Fix free disk space calculation.
2006-08-24 sd-reader
* Improve sleep handling.
* Display extended card information on boot and
when executing the "disk" shell command.
* Correctly determine FAT type by cluster count.
* Fix cluster allocation beyond card capacity.
2006-08-16 sd-reader
* Provide FAT16 capacity and usage information.
* Implement the backspace key in the mini shell.
* Enter idle mode when waiting for uart activity.
* Make the Card Select pin MCU dependent as well.
* Add mini shell commands to documentation.
2006-08-08 sd-reader
* Thanks go to Torsten Seeboth for his ongoing efforts
to test changes, fix regressions and give suggestions.
Many of the changes below were initiated by him.
* Much more reliable card initialization.
* Highly improved performance
- optional write buffering
- better cluster handling
- remove unneeded SPI access when reading from buffered block
- use highest spi frequency after card initialization
* Add superfloppy support.
* Better checks when opening a FAT16 filesystem.
* Provide SPI pin mappings for commonly used ATmegas.
* Fix resizing files, hangs could occur.
* Fix overflow when creating files with names longer than 31 characters.
* Fix numerous other small things.
2006-03-19 sd-reader
* Fix speed regressions.
2006-03-16 sd-reader
* Initial release.

/Designs/Data_loggers/GPSRL02A/SW/logger/Doxyfile
0,0 → 1,1311
# Doxyfile 1.5.3-20071008
# This file describes the settings to be used by the documentation system
# doxygen (www.doxygen.org) for a project
#
# All text after a hash (#) is considered a comment and will be ignored
# The format is:
# TAG = value [value, ...]
# For lists items can also be appended using:
# TAG += value [value, ...]
# Values that contain spaces should be placed between quotes (" ")
#---------------------------------------------------------------------------
# Project related configuration options
#---------------------------------------------------------------------------
# This tag specifies the encoding used for all characters in the config file that
# follow. The default is UTF-8 which is also the encoding used for all text before
# the first occurrence of this tag. Doxygen uses libiconv (or the iconv built into
# libc) for the transcoding. See http://www.gnu.org/software/libiconv for the list of
# possible encodings.
DOXYFILE_ENCODING = UTF-8
# The PROJECT_NAME tag is a single word (or a sequence of words surrounded
# by quotes) that should identify the project.
PROJECT_NAME = sd-reader
# The PROJECT_NUMBER tag can be used to enter a project or revision number.
# This could be handy for archiving the generated documentation or
# if some version control system is used.
PROJECT_NUMBER =
# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
# base path where the generated documentation will be put.
# If a relative path is entered, it will be relative to the location
# where doxygen was started. If left blank the current directory will be used.
OUTPUT_DIRECTORY = doc
# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create
# 4096 sub-directories (in 2 levels) under the output directory of each output
# format and will distribute the generated files over these directories.
# Enabling this option can be useful when feeding doxygen a huge amount of
# source files, where putting all generated files in the same directory would
# otherwise cause performance problems for the file system.
CREATE_SUBDIRS = NO
# The OUTPUT_LANGUAGE tag is used to specify the language in which all
# documentation generated by doxygen is written. Doxygen will use this
# information to generate all constant output in the proper language.
# The default language is English, other supported languages are:
# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional,
# Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hungarian,
# Italian, Japanese, Japanese-en (Japanese with English messages), Korean,
# Korean-en, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian,
# Serbian, Slovak, Slovene, Spanish, Swedish, and Ukrainian.
OUTPUT_LANGUAGE = English
# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will
# include brief member descriptions after the members that are listed in
# the file and class documentation (similar to JavaDoc).
# Set to NO to disable this.
BRIEF_MEMBER_DESC = YES
# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend
# the brief description of a member or function before the detailed description.
# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the
# brief descriptions will be completely suppressed.
REPEAT_BRIEF = YES
# This tag implements a quasi-intelligent brief description abbreviator
# that is used to form the text in various listings. Each string
# in this list, if found as the leading text of the brief description, will be
# stripped from the text and the result after processing the whole list, is
# used as the annotated text. Otherwise, the brief description is used as-is.
# If left blank, the following values are used ("$name" is automatically
# replaced with the name of the entity): "The $name class" "The $name widget"
# "The $name file" "is" "provides" "specifies" "contains"
# "represents" "a" "an" "the"
ABBREVIATE_BRIEF = "The $name class " \
"The $name widget " \
"The $name file " \
is \
provides \
specifies \
contains \
represents \
a \
an \
the
# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then
# Doxygen will generate a detailed section even if there is only a brief
# description.
ALWAYS_DETAILED_SEC = NO
# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all
# inherited members of a class in the documentation of that class as if those
# members were ordinary class members. Constructors, destructors and assignment
# operators of the base classes will not be shown.
INLINE_INHERITED_MEMB = NO
# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full
# path before files name in the file list and in the header files. If set
# to NO the shortest path that makes the file name unique will be used.
FULL_PATH_NAMES = NO
# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag
# can be used to strip a user-defined part of the path. Stripping is
# only done if one of the specified strings matches the left-hand part of
# the path. The tag can be used to show relative paths in the file list.
# If left blank the directory from which doxygen is run is used as the
# path to strip.
STRIP_FROM_PATH =
# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of
# the path mentioned in the documentation of a class, which tells
# the reader which header file to include in order to use a class.
# If left blank only the name of the header file containing the class
# definition is used. Otherwise one should specify the include paths that
# are normally passed to the compiler using the -I flag.
STRIP_FROM_INC_PATH =
# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter
# (but less readable) file names. This can be useful is your file systems
# doesn't support long names like on DOS, Mac, or CD-ROM.
SHORT_NAMES = NO
# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen
# will interpret the first line (until the first dot) of a JavaDoc-style
# comment as the brief description. If set to NO, the JavaDoc
# comments will behave just like regular Qt-style comments
# (thus requiring an explicit @brief command for a brief description.)
JAVADOC_AUTOBRIEF = YES
# If the QT_AUTOBRIEF tag is set to YES then Doxygen will
# interpret the first line (until the first dot) of a Qt-style
# comment as the brief description. If set to NO, the comments
# will behave just like regular Qt-style comments (thus requiring
# an explicit \brief command for a brief description.)
QT_AUTOBRIEF = NO
# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen
# treat a multi-line C++ special comment block (i.e. a block of //! or ///
# comments) as a brief description. This used to be the default behaviour.
# The new default is to treat a multi-line C++ comment block as a detailed
# description. Set this tag to YES if you prefer the old behaviour instead.
MULTILINE_CPP_IS_BRIEF = NO
# If the DETAILS_AT_TOP tag is set to YES then Doxygen
# will output the detailed description near the top, like JavaDoc.
# If set to NO, the detailed description appears after the member
# documentation.
DETAILS_AT_TOP = YES
# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented
# member inherits the documentation from any documented member that it
# re-implements.
INHERIT_DOCS = YES
# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce
# a new page for each member. If set to NO, the documentation of a member will
# be part of the file/class/namespace that contains it.
SEPARATE_MEMBER_PAGES = NO
# The TAB_SIZE tag can be used to set the number of spaces in a tab.
# Doxygen uses this value to replace tabs by spaces in code fragments.
TAB_SIZE = 4
# This tag can be used to specify a number of aliases that acts
# as commands in the documentation. An alias has the form "name=value".
# For example adding "sideeffect=\par Side Effects:\n" will allow you to
# put the command \sideeffect (or @sideeffect) in the documentation, which
# will result in a user-defined paragraph with heading "Side Effects:".
# You can put \n's in the value part of an alias to insert newlines.
ALIASES =
# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C
# sources only. Doxygen will then generate output that is more tailored for C.
# For instance, some of the names that are used will be different. The list
# of all members will be omitted, etc.
OPTIMIZE_OUTPUT_FOR_C = YES
# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java
# sources only. Doxygen will then generate output that is more tailored for Java.
# For instance, namespaces will be presented as packages, qualified scopes
# will look different, etc.
OPTIMIZE_OUTPUT_JAVA = NO
# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want to
# include (a tag file for) the STL sources as input, then you should
# set this tag to YES in order to let doxygen match functions declarations and
# definitions whose arguments contain STL classes (e.g. func(std::string); v.s.
# func(std::string) {}). This also make the inheritance and collaboration
# diagrams that involve STL classes more complete and accurate.
BUILTIN_STL_SUPPORT = NO
# If you use Microsoft's C++/CLI language, you should set this option to YES to
# enable parsing support.
CPP_CLI_SUPPORT = NO
# Set the SIP_SUPPORT tag to YES if your project consists of sip sources only.
# Doxygen will parse them like normal C++ but will assume all classes use public
# instead of private inheritance when no explicit protection keyword is present.
SIP_SUPPORT = NO
# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC
# tag is set to YES, then doxygen will reuse the documentation of the first
# member in the group (if any) for the other members of the group. By default
# all members of a group must be documented explicitly.
DISTRIBUTE_GROUP_DOC = NO
# Set the SUBGROUPING tag to YES (the default) to allow class member groups of
# the same type (for instance a group of public functions) to be put as a
# subgroup of that type (e.g. under the Public Functions section). Set it to
# NO to prevent subgrouping. Alternatively, this can be done per class using
# the \nosubgrouping command.
SUBGROUPING = YES
#---------------------------------------------------------------------------
# Build related configuration options
#---------------------------------------------------------------------------
# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in
# documentation are documented, even if no documentation was available.
# Private class members and static file members will be hidden unless
# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES
EXTRACT_ALL = NO
# If the EXTRACT_PRIVATE tag is set to YES all private members of a class
# will be included in the documentation.
EXTRACT_PRIVATE = NO
# If the EXTRACT_STATIC tag is set to YES all static members of a file
# will be included in the documentation.
EXTRACT_STATIC = NO
# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs)
# defined locally in source files will be included in the documentation.
# If set to NO only classes defined in header files are included.
EXTRACT_LOCAL_CLASSES = YES
# This flag is only useful for Objective-C code. When set to YES local
# methods, which are defined in the implementation section but not in
# the interface are included in the documentation.
# If set to NO (the default) only methods in the interface are included.
EXTRACT_LOCAL_METHODS = NO
# If this flag is set to YES, the members of anonymous namespaces will be extracted
# and appear in the documentation as a namespace called 'anonymous_namespace{file}',
# where file will be replaced with the base name of the file that contains the anonymous
# namespace. By default anonymous namespace are hidden.
EXTRACT_ANON_NSPACES = NO
# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all
# undocumented members of documented classes, files or namespaces.
# If set to NO (the default) these members will be included in the
# various overviews, but no documentation section is generated.
# This option has no effect if EXTRACT_ALL is enabled.
HIDE_UNDOC_MEMBERS = YES
# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all
# undocumented classes that are normally visible in the class hierarchy.
# If set to NO (the default) these classes will be included in the various
# overviews. This option has no effect if EXTRACT_ALL is enabled.
HIDE_UNDOC_CLASSES = YES
# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all
# friend (class|struct|union) declarations.
# If set to NO (the default) these declarations will be included in the
# documentation.
HIDE_FRIEND_COMPOUNDS = NO
# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any
# documentation blocks found inside the body of a function.
# If set to NO (the default) these blocks will be appended to the
# function's detailed documentation block.
HIDE_IN_BODY_DOCS = NO
# The INTERNAL_DOCS tag determines if documentation
# that is typed after a \internal command is included. If the tag is set
# to NO (the default) then the documentation will be excluded.
# Set it to YES to include the internal documentation.
INTERNAL_DOCS = NO
# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate
# file names in lower-case letters. If set to YES upper-case letters are also
# allowed. This is useful if you have classes or files whose names only differ
# in case and if your file system supports case sensitive file names. Windows
# and Mac users are advised to set this option to NO.
CASE_SENSE_NAMES = YES
# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen
# will show members with their full class and namespace scopes in the
# documentation. If set to YES the scope will be hidden.
HIDE_SCOPE_NAMES = NO
# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen
# will put a list of the files that are included by a file in the documentation
# of that file.
SHOW_INCLUDE_FILES = NO
# If the INLINE_INFO tag is set to YES (the default) then a tag [inline]
# is inserted in the documentation for inline members.
INLINE_INFO = YES
# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen
# will sort the (detailed) documentation of file and class members
# alphabetically by member name. If set to NO the members will appear in
# declaration order.
SORT_MEMBER_DOCS = YES
# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the
# brief documentation of file, namespace and class members alphabetically
# by member name. If set to NO (the default) the members will appear in
# declaration order.
SORT_BRIEF_DOCS = NO
# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be
# sorted by fully-qualified names, including namespaces. If set to
# NO (the default), the class list will be sorted only by class name,
# not including the namespace part.
# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
# Note: This option applies only to the class list, not to the
# alphabetical list.
SORT_BY_SCOPE_NAME = NO
# The GENERATE_TODOLIST tag can be used to enable (YES) or
# disable (NO) the todo list. This list is created by putting \todo
# commands in the documentation.
GENERATE_TODOLIST = YES
# The GENERATE_TESTLIST tag can be used to enable (YES) or
# disable (NO) the test list. This list is created by putting \test
# commands in the documentation.
GENERATE_TESTLIST = YES
# The GENERATE_BUGLIST tag can be used to enable (YES) or
# disable (NO) the bug list. This list is created by putting \bug
# commands in the documentation.
GENERATE_BUGLIST = YES
# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or
# disable (NO) the deprecated list. This list is created by putting
# \deprecated commands in the documentation.
GENERATE_DEPRECATEDLIST= YES
# The ENABLED_SECTIONS tag can be used to enable conditional
# documentation sections, marked by \if sectionname ... \endif.
ENABLED_SECTIONS =
# The MAX_INITIALIZER_LINES tag determines the maximum number of lines
# the initial value of a variable or define consists of for it to appear in
# the documentation. If the initializer consists of more lines than specified
# here it will be hidden. Use a value of 0 to hide initializers completely.
# The appearance of the initializer of individual variables and defines in the
# documentation can be controlled using \showinitializer or \hideinitializer
# command in the documentation regardless of this setting.
MAX_INITIALIZER_LINES = 0
# Set the SHOW_USED_FILES tag to NO to disable the list of files generated
# at the bottom of the documentation of classes and structs. If set to YES the
# list will mention the files that were used to generate the documentation.
SHOW_USED_FILES = NO
# If the sources in your project are distributed over multiple directories
# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy
# in the documentation. The default is NO.
SHOW_DIRECTORIES = NO
# The FILE_VERSION_FILTER tag can be used to specify a program or script that
# doxygen should invoke to get the current version for each file (typically from the
# version control system). Doxygen will invoke the program by executing (via
# popen()) the command <command> <input-file>, where <command> is the value of
# the FILE_VERSION_FILTER tag, and <input-file> is the name of an input file
# provided by doxygen. Whatever the program writes to standard output
# is used as the file version. See the manual for examples.
FILE_VERSION_FILTER =
#---------------------------------------------------------------------------
# configuration options related to warning and progress messages
#---------------------------------------------------------------------------
# The QUIET tag can be used to turn on/off the messages that are generated
# by doxygen. Possible values are YES and NO. If left blank NO is used.
QUIET = NO
# The WARNINGS tag can be used to turn on/off the warning messages that are
# generated by doxygen. Possible values are YES and NO. If left blank
# NO is used.
WARNINGS = YES
# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings
# for undocumented members. If EXTRACT_ALL is set to YES then this flag will
# automatically be disabled.
WARN_IF_UNDOCUMENTED = NO
# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for
# potential errors in the documentation, such as not documenting some
# parameters in a documented function, or documenting parameters that
# don't exist or using markup commands wrongly.
WARN_IF_DOC_ERROR = YES
# This WARN_NO_PARAMDOC option can be abled to get warnings for
# functions that are documented, but have no documentation for their parameters
# or return value. If set to NO (the default) doxygen will only warn about
# wrong or incomplete parameter documentation, but not about the absence of
# documentation.
WARN_NO_PARAMDOC = NO
# The WARN_FORMAT tag determines the format of the warning messages that
# doxygen can produce. The string should contain the $file, $line, and $text
# tags, which will be replaced by the file and line number from which the
# warning originated and the warning text. Optionally the format may contain
# $version, which will be replaced by the version of the file (if it could
# be obtained via FILE_VERSION_FILTER)
WARN_FORMAT = "$file:$line: $text "
# The WARN_LOGFILE tag can be used to specify a file to which warning
# and error messages should be written. If left blank the output is written
# to stderr.
WARN_LOGFILE =
#---------------------------------------------------------------------------
# configuration options related to the input files
#---------------------------------------------------------------------------
# The INPUT tag can be used to specify the files and/or directories that contain
# documented source files. You may enter file names like "myfile.cpp" or
# directories like "/usr/src/myproject". Separate the files or directories
# with spaces.
INPUT = .
# This tag can be used to specify the character encoding of the source files that
# doxygen parses. Internally doxygen uses the UTF-8 encoding, which is also the default
# input encoding. Doxygen uses libiconv (or the iconv built into libc) for the transcoding.
# See http://www.gnu.org/software/libiconv for the list of possible encodings.
INPUT_ENCODING = UTF-8
# If the value of the INPUT tag contains directories, you can use the
# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
# and *.h) to filter out the source-files in the directories. If left
# blank the following patterns are tested:
# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx
# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py
FILE_PATTERNS = *.c \
*.h
# The RECURSIVE tag can be used to turn specify whether or not subdirectories
# should be searched for input files as well. Possible values are YES and NO.
# If left blank NO is used.
RECURSIVE = NO
# The EXCLUDE tag can be used to specify files and/or directories that should
# excluded from the INPUT source files. This way you can easily exclude a
# subdirectory from a directory tree whose root is specified with the INPUT tag.
EXCLUDE =
# The EXCLUDE_SYMLINKS tag can be used select whether or not files or
# directories that are symbolic links (a Unix filesystem feature) are excluded
# from the input.
EXCLUDE_SYMLINKS = NO
# If the value of the INPUT tag contains directories, you can use the
# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
# certain files from those directories. Note that the wildcards are matched
# against the file with absolute path, so to exclude all test directories
# for example use the pattern */test/*
EXCLUDE_PATTERNS =
# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
# (namespaces, classes, functions, etc.) that should be excluded from the output.
# The symbol name can be a fully qualified name, a word, or if the wildcard * is used,
# a substring. Examples: ANamespace, AClass, AClass::ANamespace, ANamespace::*Test
EXCLUDE_SYMBOLS =
# The EXAMPLE_PATH tag can be used to specify one or more files or
# directories that contain example code fragments that are included (see
# the \include command).
EXAMPLE_PATH =
# If the value of the EXAMPLE_PATH tag contains directories, you can use the
# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
# and *.h) to filter out the source-files in the directories. If left
# blank all files are included.
EXAMPLE_PATTERNS = *
# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
# searched for input files to be used with the \include or \dontinclude
# commands irrespective of the value of the RECURSIVE tag.
# Possible values are YES and NO. If left blank NO is used.
EXAMPLE_RECURSIVE = NO
# The IMAGE_PATH tag can be used to specify one or more files or
# directories that contain image that are included in the documentation (see
# the \image command).
IMAGE_PATH = doc
# The INPUT_FILTER tag can be used to specify a program that doxygen should
# invoke to filter for each input file. Doxygen will invoke the filter program
# by executing (via popen()) the command <filter> <input-file>, where <filter>
# is the value of the INPUT_FILTER tag, and <input-file> is the name of an
# input file. Doxygen will then use the output that the filter program writes
# to standard output. If FILTER_PATTERNS is specified, this tag will be
# ignored.
INPUT_FILTER =
# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
# basis. Doxygen will compare the file name with each pattern and apply the
# filter if there is a match. The filters are a list of the form:
# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further
# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER
# is applied to all files.
FILTER_PATTERNS =
# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
# INPUT_FILTER) will be used to filter the input files when producing source
# files to browse (i.e. when SOURCE_BROWSER is set to YES).
FILTER_SOURCE_FILES = NO
#---------------------------------------------------------------------------
# configuration options related to source browsing
#---------------------------------------------------------------------------
# If the SOURCE_BROWSER tag is set to YES then a list of source files will
# be generated. Documented entities will be cross-referenced with these sources.
# Note: To get rid of all source code in the generated output, make sure also
# VERBATIM_HEADERS is set to NO. If you have enabled CALL_GRAPH or CALLER_GRAPH
# then you must also enable this option. If you don't then doxygen will produce
# a warning and turn it on anyway
SOURCE_BROWSER = NO
# Setting the INLINE_SOURCES tag to YES will include the body
# of functions and classes directly in the documentation.
INLINE_SOURCES = NO
# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct
# doxygen to hide any special comment blocks from generated source code
# fragments. Normal C and C++ comments will always remain visible.
STRIP_CODE_COMMENTS = YES
# If the REFERENCED_BY_RELATION tag is set to YES (the default)
# then for each documented function all documented
# functions referencing it will be listed.
REFERENCED_BY_RELATION = NO
# If the REFERENCES_RELATION tag is set to YES (the default)
# then for each documented function all documented entities
# called/used by that function will be listed.
REFERENCES_RELATION = NO
# If the REFERENCES_LINK_SOURCE tag is set to YES (the default)
# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from
# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will
# link to the source code. Otherwise they will link to the documentstion.
REFERENCES_LINK_SOURCE = YES
# If the USE_HTAGS tag is set to YES then the references to source code
# will point to the HTML generated by the htags(1) tool instead of doxygen
# built-in source browser. The htags tool is part of GNU's global source
# tagging system (see http://www.gnu.org/software/global/global.html). You
# will need version 4.8.6 or higher.
USE_HTAGS = NO
# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen
# will generate a verbatim copy of the header file for each class for
# which an include is specified. Set to NO to disable this.
VERBATIM_HEADERS = NO
#---------------------------------------------------------------------------
# configuration options related to the alphabetical class index
#---------------------------------------------------------------------------
# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index
# of all compounds will be generated. Enable this if the project
# contains a lot of classes, structs, unions or interfaces.
ALPHABETICAL_INDEX = NO
# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then
# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns
# in which this list will be split (can be a number in the range [1..20])
COLS_IN_ALPHA_INDEX = 5
# In case all classes in a project start with a common prefix, all
# classes will be put under the same header in the alphabetical index.
# The IGNORE_PREFIX tag can be used to specify one or more prefixes that
# should be ignored while generating the index headers.
IGNORE_PREFIX =
#---------------------------------------------------------------------------
# configuration options related to the HTML output
#---------------------------------------------------------------------------
# If the GENERATE_HTML tag is set to YES (the default) Doxygen will
# generate HTML output.
GENERATE_HTML = YES
# The HTML_OUTPUT tag is used to specify where the HTML docs will be put.
# If a relative path is entered the value of OUTPUT_DIRECTORY will be
# put in front of it. If left blank `html' will be used as the default path.
HTML_OUTPUT = html
# The HTML_FILE_EXTENSION tag can be used to specify the file extension for
# each generated HTML page (for example: .htm,.php,.asp). If it is left blank
# doxygen will generate files with .html extension.
HTML_FILE_EXTENSION = .html
# The HTML_HEADER tag can be used to specify a personal HTML header for
# each generated HTML page. If it is left blank doxygen will generate a
# standard header.
HTML_HEADER =
# The HTML_FOOTER tag can be used to specify a personal HTML footer for
# each generated HTML page. If it is left blank doxygen will generate a
# standard footer.
HTML_FOOTER =
# The HTML_STYLESHEET tag can be used to specify a user-defined cascading
# style sheet that is used by each HTML page. It can be used to
# fine-tune the look of the HTML output. If the tag is left blank doxygen
# will generate a default style sheet. Note that doxygen will try to copy
# the style sheet file to the HTML output directory, so don't put your own
# stylesheet in the HTML output directory as well, or it will be erased!
HTML_STYLESHEET =
# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes,
# files or namespaces will be aligned in HTML using tables. If set to
# NO a bullet list will be used.
HTML_ALIGN_MEMBERS = YES
# If the GENERATE_HTMLHELP tag is set to YES, additional index files
# will be generated that can be used as input for tools like the
# Microsoft HTML help workshop to generate a compressed HTML help file (.chm)
# of the generated HTML documentation.
GENERATE_HTMLHELP = NO
# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML
# documentation will contain sections that can be hidden and shown after the
# page has loaded. For this to work a browser that supports
# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox
# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari).
HTML_DYNAMIC_SECTIONS = NO
# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can
# be used to specify the file name of the resulting .chm file. You
# can add a path in front of the file if the result should not be
# written to the html output directory.
CHM_FILE =
# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can
# be used to specify the location (absolute path including file name) of
# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run
# the HTML help compiler on the generated index.hhp.
HHC_LOCATION =
# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag
# controls if a separate .chi index file is generated (YES) or that
# it should be included in the master .chm file (NO).
GENERATE_CHI = NO
# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag
# controls whether a binary table of contents is generated (YES) or a
# normal table of contents (NO) in the .chm file.
BINARY_TOC = NO
# The TOC_EXPAND flag can be set to YES to add extra items for group members
# to the contents of the HTML help documentation and to the tree view.
TOC_EXPAND = NO
# The DISABLE_INDEX tag can be used to turn on/off the condensed index at
# top of each HTML page. The value NO (the default) enables the index and
# the value YES disables it.
DISABLE_INDEX = NO
# This tag can be used to set the number of enum values (range [1..20])
# that doxygen will group on one line in the generated HTML documentation.
ENUM_VALUES_PER_LINE = 4
# If the GENERATE_TREEVIEW tag is set to YES, a side panel will be
# generated containing a tree-like index structure (just like the one that
# is generated for HTML Help). For this to work a browser that supports
# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+,
# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are
# probably better off using the HTML help feature.
GENERATE_TREEVIEW = NO
# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be
# used to set the initial width (in pixels) of the frame in which the tree
# is shown.
TREEVIEW_WIDTH = 250
#---------------------------------------------------------------------------
# configuration options related to the LaTeX output
#---------------------------------------------------------------------------
# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will
# generate Latex output.
GENERATE_LATEX = NO
# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put.
# If a relative path is entered the value of OUTPUT_DIRECTORY will be
# put in front of it. If left blank `latex' will be used as the default path.
LATEX_OUTPUT = latex
# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
# invoked. If left blank `latex' will be used as the default command name.
LATEX_CMD_NAME = latex
# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to
# generate index for LaTeX. If left blank `makeindex' will be used as the
# default command name.
MAKEINDEX_CMD_NAME = makeindex
# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact
# LaTeX documents. This may be useful for small projects and may help to
# save some trees in general.
COMPACT_LATEX = NO
# The PAPER_TYPE tag can be used to set the paper type that is used
# by the printer. Possible values are: a4, a4wide, letter, legal and
# executive. If left blank a4wide will be used.
PAPER_TYPE = a4wide
# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX
# packages that should be included in the LaTeX output.
EXTRA_PACKAGES =
# The LATEX_HEADER tag can be used to specify a personal LaTeX header for
# the generated latex document. The header should contain everything until
# the first chapter. If it is left blank doxygen will generate a
# standard header. Notice: only use this tag if you know what you are doing!
LATEX_HEADER =
# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated
# is prepared for conversion to pdf (using ps2pdf). The pdf file will
# contain links (just like the HTML output) instead of page references
# This makes the output suitable for online browsing using a pdf viewer.
PDF_HYPERLINKS = NO
# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of
# plain latex in the generated Makefile. Set this option to YES to get a
# higher quality PDF documentation.
USE_PDFLATEX = NO
# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode.
# command to the generated LaTeX files. This will instruct LaTeX to keep
# running if errors occur, instead of asking the user for help.
# This option is also used when generating formulas in HTML.
LATEX_BATCHMODE = NO
# If LATEX_HIDE_INDICES is set to YES then doxygen will not
# include the index chapters (such as File Index, Compound Index, etc.)
# in the output.
LATEX_HIDE_INDICES = NO
#---------------------------------------------------------------------------
# configuration options related to the RTF output
#---------------------------------------------------------------------------
# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output
# The RTF output is optimized for Word 97 and may not look very pretty with
# other RTF readers or editors.
GENERATE_RTF = NO
# The RTF_OUTPUT tag is used to specify where the RTF docs will be put.
# If a relative path is entered the value of OUTPUT_DIRECTORY will be
# put in front of it. If left blank `rtf' will be used as the default path.
RTF_OUTPUT = rtf
# If the COMPACT_RTF tag is set to YES Doxygen generates more compact
# RTF documents. This may be useful for small projects and may help to
# save some trees in general.
COMPACT_RTF = NO
# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated
# will contain hyperlink fields. The RTF file will
# contain links (just like the HTML output) instead of page references.
# This makes the output suitable for online browsing using WORD or other
# programs which support those fields.
# Note: wordpad (write) and others do not support links.
RTF_HYPERLINKS = NO
# Load stylesheet definitions from file. Syntax is similar to doxygen's
# config file, i.e. a series of assignments. You only have to provide
# replacements, missing definitions are set to their default value.
RTF_STYLESHEET_FILE =
# Set optional variables used in the generation of an rtf document.
# Syntax is similar to doxygen's config file.
RTF_EXTENSIONS_FILE =
#---------------------------------------------------------------------------
# configuration options related to the man page output
#---------------------------------------------------------------------------
# If the GENERATE_MAN tag is set to YES (the default) Doxygen will
# generate man pages
GENERATE_MAN = NO
# The MAN_OUTPUT tag is used to specify where the man pages will be put.
# If a relative path is entered the value of OUTPUT_DIRECTORY will be
# put in front of it. If left blank `man' will be used as the default path.
MAN_OUTPUT = man
# The MAN_EXTENSION tag determines the extension that is added to
# the generated man pages (default is the subroutine's section .3)
MAN_EXTENSION = .3
# If the MAN_LINKS tag is set to YES and Doxygen generates man output,
# then it will generate one additional man file for each entity
# documented in the real man page(s). These additional files
# only source the real man page, but without them the man command
# would be unable to find the correct page. The default is NO.
MAN_LINKS = NO
#---------------------------------------------------------------------------
# configuration options related to the XML output
#---------------------------------------------------------------------------
# If the GENERATE_XML tag is set to YES Doxygen will
# generate an XML file that captures the structure of
# the code including all documentation.
GENERATE_XML = NO
# The XML_OUTPUT tag is used to specify where the XML pages will be put.
# If a relative path is entered the value of OUTPUT_DIRECTORY will be
# put in front of it. If left blank `xml' will be used as the default path.
XML_OUTPUT = xml
# The XML_SCHEMA tag can be used to specify an XML schema,
# which can be used by a validating XML parser to check the
# syntax of the XML files.
XML_SCHEMA =
# The XML_DTD tag can be used to specify an XML DTD,
# which can be used by a validating XML parser to check the
# syntax of the XML files.
XML_DTD =
# If the XML_PROGRAMLISTING tag is set to YES Doxygen will
# dump the program listings (including syntax highlighting
# and cross-referencing information) to the XML output. Note that
# enabling this will significantly increase the size of the XML output.
XML_PROGRAMLISTING = YES
#---------------------------------------------------------------------------
# configuration options for the AutoGen Definitions output
#---------------------------------------------------------------------------
# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will
# generate an AutoGen Definitions (see autogen.sf.net) file
# that captures the structure of the code including all
# documentation. Note that this feature is still experimental
# and incomplete at the moment.
GENERATE_AUTOGEN_DEF = NO
#---------------------------------------------------------------------------
# configuration options related to the Perl module output
#---------------------------------------------------------------------------
# If the GENERATE_PERLMOD tag is set to YES Doxygen will
# generate a Perl module file that captures the structure of
# the code including all documentation. Note that this
# feature is still experimental and incomplete at the
# moment.
GENERATE_PERLMOD = NO
# If the PERLMOD_LATEX tag is set to YES Doxygen will generate
# the necessary Makefile rules, Perl scripts and LaTeX code to be able
# to generate PDF and DVI output from the Perl module output.
PERLMOD_LATEX = NO
# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be
# nicely formatted so it can be parsed by a human reader. This is useful
# if you want to understand what is going on. On the other hand, if this
# tag is set to NO the size of the Perl module output will be much smaller
# and Perl will parse it just the same.
PERLMOD_PRETTY = YES
# The names of the make variables in the generated doxyrules.make file
# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX.
# This is useful so different doxyrules.make files included by the same
# Makefile don't overwrite each other's variables.
PERLMOD_MAKEVAR_PREFIX =
#---------------------------------------------------------------------------
# Configuration options related to the preprocessor
#---------------------------------------------------------------------------
# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will
# evaluate all C-preprocessor directives found in the sources and include
# files.
ENABLE_PREPROCESSING = YES
# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro
# names in the source code. If set to NO (the default) only conditional
# compilation will be performed. Macro expansion can be done in a controlled
# way by setting EXPAND_ONLY_PREDEF to YES.
MACRO_EXPANSION = NO
# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES
# then the macro expansion is limited to the macros specified with the
# PREDEFINED and EXPAND_AS_DEFINED tags.
EXPAND_ONLY_PREDEF = NO
# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files
# in the INCLUDE_PATH (see below) will be search if a #include is found.
SEARCH_INCLUDES = YES
# The INCLUDE_PATH tag can be used to specify one or more directories that
# contain include files that are not input files but should be processed by
# the preprocessor.
INCLUDE_PATH =
# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
# patterns (like *.h and *.hpp) to filter out the header-files in the
# directories. If left blank, the patterns specified with FILE_PATTERNS will
# be used.
INCLUDE_FILE_PATTERNS =
# The PREDEFINED tag can be used to specify one or more macro names that
# are defined before the preprocessor is started (similar to the -D option of
# gcc). The argument of the tag is a list of macros of the form: name
# or name=definition (no spaces). If the definition and the = are
# omitted =1 is assumed. To prevent a macro definition from being
# undefined via #undef or recursively expanded use the := operator
# instead of the = operator.
PREDEFINED = DOXYGEN=1
# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then
# this tag can be used to specify a list of macro names that should be expanded.
# The macro definition that is found in the sources will be used.
# Use the PREDEFINED tag if you want to use a different macro definition.
EXPAND_AS_DEFINED =
# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then
# doxygen's preprocessor will remove all function-like macros that are alone
# on a line, have an all uppercase name, and do not end with a semicolon. Such
# function macros are typically used for boiler-plate code, and will confuse
# the parser if not removed.
SKIP_FUNCTION_MACROS = YES
#---------------------------------------------------------------------------
# Configuration::additions related to external references
#---------------------------------------------------------------------------
# The TAGFILES option can be used to specify one or more tagfiles.
# Optionally an initial location of the external documentation
# can be added for each tagfile. The format of a tag file without
# this location is as follows:
# TAGFILES = file1 file2 ...
# Adding location for the tag files is done as follows:
# TAGFILES = file1=loc1 "file2 = loc2" ...
# where "loc1" and "loc2" can be relative or absolute paths or
# URLs. If a location is present for each tag, the installdox tool
# does not have to be run to correct the links.
# Note that each tag file must have a unique name
# (where the name does NOT include the path)
# If a tag file is not located in the directory in which doxygen
# is run, you must also specify the path to the tagfile here.
TAGFILES =
# When a file name is specified after GENERATE_TAGFILE, doxygen will create
# a tag file that is based on the input files it reads.
GENERATE_TAGFILE =
# If the ALLEXTERNALS tag is set to YES all external classes will be listed
# in the class index. If set to NO only the inherited external classes
# will be listed.
ALLEXTERNALS = NO
# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed
# in the modules index. If set to NO, only the current project's groups will
# be listed.
EXTERNAL_GROUPS = YES
# The PERL_PATH should be the absolute path and name of the perl script
# interpreter (i.e. the result of `which perl').
PERL_PATH = /usr/bin/perl
#---------------------------------------------------------------------------
# Configuration options related to the dot tool
#---------------------------------------------------------------------------
# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will
# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base
# or super classes. Setting the tag to NO turns the diagrams off. Note that
# this option is superseded by the HAVE_DOT option below. This is only a
# fallback. It is recommended to install and use dot, since it yields more
# powerful graphs.
CLASS_DIAGRAMS = YES
# You can define message sequence charts within doxygen comments using the \msc
# command. Doxygen will then run the mscgen tool (see http://www.mcternan.me.uk/mscgen/) to
# produce the chart and insert it in the documentation. The MSCGEN_PATH tag allows you to
# specify the directory where the mscgen tool resides. If left empty the tool is assumed to
# be found in the default search path.
MSCGEN_PATH =
# If set to YES, the inheritance and collaboration graphs will hide
# inheritance and usage relations if the target is undocumented
# or is not a class.
HIDE_UNDOC_RELATIONS = YES
# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is
# available from the path. This tool is part of Graphviz, a graph visualization
# toolkit from AT&T and Lucent Bell Labs. The other options in this section
# have no effect if this option is set to NO (the default)
HAVE_DOT = NO
# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen
# will generate a graph for each documented class showing the direct and
# indirect inheritance relations. Setting this tag to YES will force the
# the CLASS_DIAGRAMS tag to NO.
CLASS_GRAPH = YES
# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen
# will generate a graph for each documented class showing the direct and
# indirect implementation dependencies (inheritance, containment, and
# class references variables) of the class with other documented classes.
COLLABORATION_GRAPH = YES
# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen
# will generate a graph for groups, showing the direct groups dependencies
GROUP_GRAPHS = YES
# If the UML_LOOK tag is set to YES doxygen will generate inheritance and
# collaboration diagrams in a style similar to the OMG's Unified Modeling
# Language.
UML_LOOK = NO
# If set to YES, the inheritance and collaboration graphs will show the
# relations between templates and their instances.
TEMPLATE_RELATIONS = NO
# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT
# tags are set to YES then doxygen will generate a graph for each documented
# file showing the direct and indirect include dependencies of the file with
# other documented files.
INCLUDE_GRAPH = YES
# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and
# HAVE_DOT tags are set to YES then doxygen will generate a graph for each
# documented header file showing the documented files that directly or
# indirectly include this file.
INCLUDED_BY_GRAPH = YES
# If the CALL_GRAPH, SOURCE_BROWSER and HAVE_DOT tags are set to YES then doxygen will
# generate a call dependency graph for every global function or class method.
# Note that enabling this option will significantly increase the time of a run.
# So in most cases it will be better to enable call graphs for selected
# functions only using the \callgraph command.
CALL_GRAPH = NO
# If the CALLER_GRAPH, SOURCE_BROWSER and HAVE_DOT tags are set to YES then doxygen will
# generate a caller dependency graph for every global function or class method.
# Note that enabling this option will significantly increase the time of a run.
# So in most cases it will be better to enable caller graphs for selected
# functions only using the \callergraph command.
CALLER_GRAPH = NO
# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen
# will graphical hierarchy of all classes instead of a textual one.
GRAPHICAL_HIERARCHY = YES
# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES
# then doxygen will show the dependencies a directory has on other directories
# in a graphical way. The dependency relations are determined by the #include
# relations between the files in the directories.
DIRECTORY_GRAPH = YES
# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images
# generated by dot. Possible values are png, jpg, or gif
# If left blank png will be used.
DOT_IMAGE_FORMAT = png
# The tag DOT_PATH can be used to specify the path where the dot tool can be
# found. If left blank, it is assumed the dot tool can be found in the path.
DOT_PATH =
# The DOTFILE_DIRS tag can be used to specify one or more directories that
# contain dot files that are included in the documentation (see the
# \dotfile command).
DOTFILE_DIRS =
# The MAX_DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of
# nodes that will be shown in the graph. If the number of nodes in a graph
# becomes larger than this value, doxygen will truncate the graph, which is
# visualized by representing a node as a red box. Note that doxygen if the number
# of direct children of the root node in a graph is already larger than
# MAX_DOT_GRAPH_NOTES then the graph will not be shown at all. Also note
# that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH.
DOT_GRAPH_MAX_NODES = 50
# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the
# graphs generated by dot. A depth value of 3 means that only nodes reachable
# from the root by following a path via at most 3 edges will be shown. Nodes
# that lay further from the root node will be omitted. Note that setting this
# option to 1 or 2 may greatly reduce the computation time needed for large
# code bases. Also note that the size of a graph can be further restricted by
# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction.
MAX_DOT_GRAPH_DEPTH = 1000
# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent
# background. This is disabled by default, which results in a white background.
# Warning: Depending on the platform used, enabling this option may lead to
# badly anti-aliased labels on the edges of a graph (i.e. they become hard to
# read).
DOT_TRANSPARENT = NO
# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output
# files in one run (i.e. multiple -o and -T options on the command line). This
# makes dot run faster, but since only newer versions of dot (>1.8.10)
# support this, this feature is disabled by default.
DOT_MULTI_TARGETS = NO
# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will
# generate a legend page explaining the meaning of the various boxes and
# arrows in the dot generated graphs.
GENERATE_LEGEND = YES
# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will
# remove the intermediate dot files that are used to generate
# the various graphs.
DOT_CLEANUP = YES
#---------------------------------------------------------------------------
# Configuration::additions related to the search engine
#---------------------------------------------------------------------------
# The SEARCHENGINE tag specifies whether or not a search engine should be
# used. If set to NO the values of all tags below this one will be ignored.
SEARCHENGINE = NO

/Designs/Data_loggers/GPSRL02A/SW/logger/Makefile
0,0 → 1,52
NAME := sd-reader
HEX := $(NAME).hex
OUT := $(NAME).out
MAP := $(NAME).map
SOURCES := $(wildcard *.c)
HEADERS := $(wildcard *.h)
OBJECTS := $(patsubst %.c,%.o,$(SOURCES))
MCU := atmega168
MCU_AVRDUDE := m168
MCU_FREQ := 16000000UL
CC := avr-gcc
OBJCOPY := avr-objcopy
SIZE := avr-size -A
DOXYGEN := doxygen
CFLAGS := -Wall -pedantic -mmcu=$(MCU) -std=c99 -g -Os -DF_CPU=$(MCU_FREQ)
all: $(HEX)
clean:
rm -f $(HEX) $(OUT) $(MAP) $(OBJECTS)
rm -rf doc/html
flash: $(HEX)
avrdude -y -p $(MCU_AVRDUDE) -P /dev/ttyUSB0 -c stk500v2 -U flash:w:$(HEX)
$(HEX): $(OUT)
$(OBJCOPY) -R .eeprom -O ihex $< $@
$(OUT): $(OBJECTS)
$(CC) $(CFLAGS) -o $@ -Wl,-Map,$(MAP) $^
@echo
@$(SIZE) $@
@echo
%.o: %.c $(HEADERS)
$(CC) $(CFLAGS) -c -o $@ $<
%.pp: %.c
$(CC) $(CFLAGS) -E -o $@ $<
%.ppo: %.c
$(CC) $(CFLAGS) -E $<
doc: $(HEADERS) $(SOURCES) Doxyfile
$(DOXYGEN) Doxyfile
.PHONY: all clean flash doc

/Designs/Data_loggers/GPSRL02A/SW/logger/doc/pic01.jpg
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream
Property changes:
Added: svn:mime-type
+application/octet-stream
\ No newline at end of property

/Designs/Data_loggers/GPSRL02A/SW/logger/doc/pic02.jpg
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream
Property changes:
Added: svn:mime-type
+application/octet-stream
\ No newline at end of property

/Designs/Data_loggers/GPSRL02A/SW/logger/fat16.c
0,0 → 1,2233
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either the GNU General Public License version 2
* or the GNU Lesser General Public License version 2.1, both as
* published by the Free Software Foundation.
*/
#include "partition.h"
#include "fat16.h"
#include "fat16_config.h"
#include "sd-reader_config.h"
#include <string.h>
#if USE_DYNAMIC_MEMORY
#include <stdlib.h>
#endif
/**
* \addtogroup fat16 FAT16 support
*
* This module implements FAT16 read and write access.
*
* The following features are supported:
* - File names up to 31 characters long.
* - Unlimited depth of subdirectories.
* - Short 8.3 and long filenames.
* - Creating and deleting files.
* - Reading and writing from and to files.
* - File resizing.
* - File sizes of up to 4 gigabytes.
*
* @{
*/
/**
* \file
* FAT16 implementation (license: GPLv2 or LGPLv2.1)
*
* \author Roland Riegel
*/
/**
* \addtogroup fat16_config FAT16 configuration
* Preprocessor defines to configure the FAT16 implementation.
*/
/**
* \addtogroup fat16_fs FAT16 access
* Basic functions for handling a FAT16 filesystem.
*/
/**
* \addtogroup fat16_file FAT16 file functions
* Functions for managing files.
*/
/**
* \addtogroup fat16_dir FAT16 directory functions
* Functions for managing directories.
*/
/**
* @}
*/
#define FAT16_CLUSTER_FREE 0x0000
#define FAT16_CLUSTER_RESERVED_MIN 0xfff0
#define FAT16_CLUSTER_RESERVED_MAX 0xfff6
#define FAT16_CLUSTER_BAD 0xfff7
#define FAT16_CLUSTER_LAST_MIN 0xfff8
#define FAT16_CLUSTER_LAST_MAX 0xffff
#define FAT16_DIRENTRY_DELETED 0xe5
#define FAT16_DIRENTRY_LFNLAST (1 << 6)
#define FAT16_DIRENTRY_LFNSEQMASK ((1 << 6) - 1)
/* Each entry within the directory table has a size of 32 bytes
* and either contains a 8.3 DOS-style file name or a part of a
* long file name, which may consist of several directory table
* entries at once.
*
* multi-byte integer values are stored little-endian!
*
* 8.3 file name entry:
* ====================
* offset length description
* 0 8 name (space padded)
* 8 3 extension (space padded)
* 11 1 attributes (FAT16_ATTRIB_*)
*
* long file name (lfn) entry ordering for a single file name:
* ===========================================================
* LFN entry n
* ...
* LFN entry 2
* LFN entry 1
* 8.3 entry (see above)
*
* lfn entry:
* ==========
* offset length description
* 0 1 ordinal field
* 1 2 unicode character 1
* 3 3 unicode character 2
* 5 3 unicode character 3
* 7 3 unicode character 4
* 9 3 unicode character 5
* 11 1 attribute (always 0x0f)
* 12 1 type (reserved, always 0)
* 13 1 checksum
* 14 2 unicode character 6
* 16 2 unicode character 7
* 18 2 unicode character 8
* 20 2 unicode character 9
* 22 2 unicode character 10
* 24 2 unicode character 11
* 26 2 cluster (unused, always 0)
* 28 2 unicode character 12
* 30 2 unicode character 13
*
* The ordinal field contains a descending number, from n to 1.
* For the n'th lfn entry the ordinal field is or'ed with 0x40.
* For deleted lfn entries, the ordinal field is set to 0xe5.
*/
struct fat16_header_struct
{
uint32_t size;
uint32_t fat_offset;
uint32_t fat_size;
uint16_t sector_size;
uint16_t cluster_size;
uint32_t root_dir_offset;
uint32_t cluster_zero_offset;
};
struct fat16_fs_struct
{
struct partition_struct* partition;
struct fat16_header_struct header;
};
struct fat16_file_struct
{
struct fat16_fs_struct* fs;
struct fat16_dir_entry_struct dir_entry;
uint32_t pos;
uint16_t pos_cluster;
};
struct fat16_dir_struct
{
struct fat16_fs_struct* fs;
struct fat16_dir_entry_struct dir_entry;
uint16_t entry_next;
};
struct fat16_read_callback_arg
{
uint16_t entry_cur;
uint16_t entry_num;
uint32_t entry_offset;
uint8_t byte_count;
};
struct fat16_usage_count_callback_arg
{
uint16_t cluster_count;
uint8_t buffer_size;
};
#if !USE_DYNAMIC_MEMORY
static struct fat16_fs_struct fat16_fs_handlers[FAT16_FS_COUNT];
static struct fat16_file_struct fat16_file_handlers[FAT16_FILE_COUNT];
static struct fat16_dir_struct fat16_dir_handlers[FAT16_DIR_COUNT];
#endif
static uint8_t fat16_read_header(struct fat16_fs_struct* fs);
static uint8_t fat16_read_root_dir_entry(const struct fat16_fs_struct* fs, uint16_t entry_num, struct fat16_dir_entry_struct* dir_entry);
static uint8_t fat16_read_sub_dir_entry(const struct fat16_fs_struct* fs, uint16_t entry_num, const struct fat16_dir_entry_struct* parent, struct fat16_dir_entry_struct* dir_entry);
static uint8_t fat16_dir_entry_seek_callback(uint8_t* buffer, uint32_t offset, void* p);
static uint8_t fat16_dir_entry_read_callback(uint8_t* buffer, uint32_t offset, void* p);
static uint8_t fat16_interpret_dir_entry(struct fat16_dir_entry_struct* dir_entry, const uint8_t* raw_entry);
static uint16_t fat16_get_next_cluster(const struct fat16_fs_struct* fs, uint16_t cluster_num);
static uint16_t fat16_append_clusters(const struct fat16_fs_struct* fs, uint16_t cluster_num, uint16_t count);
static uint8_t fat16_free_clusters(const struct fat16_fs_struct* fs, uint16_t cluster_num);
static uint8_t fat16_terminate_clusters(const struct fat16_fs_struct* fs, uint16_t cluster_num);
static uint8_t fat16_clear_cluster(const struct fat16_fs_struct* fs, uint16_t cluster_num);
static uint16_t fat16_clear_cluster_callback(uint8_t* buffer, uint32_t offset, void* p);
static uint32_t fat16_find_offset_for_dir_entry(const struct fat16_fs_struct* fs, const struct fat16_dir_struct* parent, const struct fat16_dir_entry_struct* dir_entry);
static uint8_t fat16_write_dir_entry(const struct fat16_fs_struct* fs, struct fat16_dir_entry_struct* dir_entry);
static uint8_t fat16_get_fs_free_callback(uint8_t* buffer, uint32_t offset, void* p);
static void fat16_set_file_modification_date(struct fat16_dir_entry_struct* dir_entry, uint16_t year, uint8_t month, uint8_t day);
static void fat16_set_file_modification_time(struct fat16_dir_entry_struct* dir_entry, uint8_t hour, uint8_t min, uint8_t sec);
/**
* \ingroup fat16_fs
* Opens a FAT16 filesystem.
*
* \param[in] partition Discriptor of partition on which the filesystem resides.
* \returns 0 on error, a FAT16 filesystem descriptor on success.
* \see fat16_open
*/
struct fat16_fs_struct* fat16_open(struct partition_struct* partition)
{
if(!partition ||
#if FAT16_WRITE_SUPPORT
!partition->device_write ||
!partition->device_write_interval
#else
0
#endif
)
return 0;
#if USE_DYNAMIC_MEMORY
struct fat16_fs_struct* fs = malloc(sizeof(*fs));
if(!fs)
return 0;
#else
struct fat16_fs_struct* fs = fat16_fs_handlers;
uint8_t i;
for(i = 0; i < FAT16_FS_COUNT; ++i)
{
if(!fs->partition)
break;
++fs;
}
if(i >= FAT16_FS_COUNT)
return 0;
#endif
memset(fs, 0, sizeof(*fs));
fs->partition = partition;
if(!fat16_read_header(fs))
{
#if USE_DYNAMIC_MEMORY
free(fs);
#else
fs->partition = 0;
#endif
return 0;
}
return fs;
}
/**
* \ingroup fat16_fs
* Closes a FAT16 filesystem.
*
* When this function returns, the given filesystem descriptor
* will be invalid.
*
* \param[in] fs The filesystem to close.
* \see fat16_open
*/
void fat16_close(struct fat16_fs_struct* fs)
{
if(!fs)
return;
#if USE_DYNAMIC_MEMORY
free(fs);
#else
fs->partition = 0;
#endif
}
/**
* \ingroup fat16_fs
* Reads and parses the header of a FAT16 filesystem.
*
* \param[inout] fs The filesystem for which to parse the header.
* \returns 0 on failure, 1 on success.
*/
uint8_t fat16_read_header(struct fat16_fs_struct* fs)
{
if(!fs)
return 0;
struct partition_struct* partition = fs->partition;
if(!partition)
return 0;
/* read fat parameters */
uint8_t buffer[25];
uint32_t partition_offset = partition->offset * 512;
if(!partition->device_read(partition_offset + 0x0b, buffer, sizeof(buffer)))
return 0;
uint16_t bytes_per_sector = ((uint16_t) buffer[0x00]) |
((uint16_t) buffer[0x01] << 8);
uint8_t sectors_per_cluster = buffer[0x02];
uint16_t reserved_sectors = ((uint16_t) buffer[0x03]) |
((uint16_t) buffer[0x04] << 8);
uint8_t fat_copies = buffer[0x05];
uint16_t max_root_entries = ((uint16_t) buffer[0x06]) |
((uint16_t) buffer[0x07] << 8);
uint16_t sector_count_16 = ((uint16_t) buffer[0x08]) |
((uint16_t) buffer[0x09] << 8);
uint16_t sectors_per_fat = ((uint16_t) buffer[0x0b]) |
((uint16_t) buffer[0x0c] << 8);
uint32_t sector_count = ((uint32_t) buffer[0x15]) |
((uint32_t) buffer[0x16] << 8) |
((uint32_t) buffer[0x17] << 16) |
((uint32_t) buffer[0x18] << 24);
if(sectors_per_fat == 0)
/* this is not a FAT16 */
return 0;
if(sector_count == 0)
{
if(sector_count_16 == 0)
/* illegal volume size */
return 0;
else
sector_count = sector_count_16;
}
/* ensure we really have a FAT16 fs here */
uint32_t data_sector_count = sector_count
- reserved_sectors
- (uint32_t) sectors_per_fat * fat_copies
- ((max_root_entries * 32 + bytes_per_sector - 1) / bytes_per_sector);
uint32_t data_cluster_count = data_sector_count / sectors_per_cluster;
if(data_cluster_count < 4085 || data_cluster_count >= 65525)
/* this is not a FAT16 */
return 0;
partition->type = PARTITION_TYPE_FAT16;
/* fill header information */
struct fat16_header_struct* header = &fs->header;
memset(header, 0, sizeof(*header));
header->size = sector_count * bytes_per_sector;
header->fat_offset = /* jump to partition */
partition_offset +
/* jump to fat */
(uint32_t) reserved_sectors * bytes_per_sector;
header->fat_size = (data_cluster_count + 2) * 2;
header->sector_size = bytes_per_sector;
header->cluster_size = (uint32_t) bytes_per_sector * sectors_per_cluster;
header->root_dir_offset = /* jump to fats */
header->fat_offset +
/* jump to root directory entries */
(uint32_t) fat_copies * sectors_per_fat * bytes_per_sector;
header->cluster_zero_offset = /* jump to root directory entries */
header->root_dir_offset +
/* skip root directory entries */
(uint32_t) max_root_entries * 32;
return 1;
}
/**
* \ingroup fat16_fs
* Reads a directory entry of the root directory.
*
* \param[in] fs Descriptor of file system to use.
* \param[in] entry_num The index of the directory entry to read.
* \param[out] dir_entry Directory entry descriptor which will get filled.
* \returns 0 on failure, 1 on success
* \see fat16_read_sub_dir_entry, fat16_read_dir_entry_by_path
*/
uint8_t fat16_read_root_dir_entry(const struct fat16_fs_struct* fs, uint16_t entry_num, struct fat16_dir_entry_struct* dir_entry)
{
if(!fs || !dir_entry)
return 0;
/* we read from the root directory entry */
const struct fat16_header_struct* header = &fs->header;
device_read_interval_t device_read_interval = fs->partition->device_read_interval;
uint8_t buffer[32];
/* seek to the n-th entry */
struct fat16_read_callback_arg arg;
memset(&arg, 0, sizeof(arg));
arg.entry_num = entry_num;
if(!device_read_interval(header->root_dir_offset,
buffer,
sizeof(buffer),
header->cluster_zero_offset - header->root_dir_offset,
fat16_dir_entry_seek_callback,
&arg) ||
arg.entry_offset == 0
)
return 0;
/* read entry */
memset(dir_entry, 0, sizeof(*dir_entry));
if(!device_read_interval(arg.entry_offset,
buffer,
sizeof(buffer),
arg.byte_count,
fat16_dir_entry_read_callback,
dir_entry))
return 0;
return dir_entry->long_name[0] != '\0' ? 1 : 0;
}
/**
* \ingroup fat16_fs
* Reads a directory entry of a given parent directory.
*
* \param[in] fs Descriptor of file system to use.
* \param[in] entry_num The index of the directory entry to read.
* \param[in] parent Directory entry descriptor in which to read directory entry.
* \param[out] dir_entry Directory entry descriptor which will get filled.
* \returns 0 on failure, 1 on success
* \see fat16_read_root_dir_entry, fat16_read_dir_entry_by_path
*/
uint8_t fat16_read_sub_dir_entry(const struct fat16_fs_struct* fs, uint16_t entry_num, const struct fat16_dir_entry_struct* parent, struct fat16_dir_entry_struct* dir_entry)
{
if(!fs || !parent || !dir_entry)
return 0;
/* we are in a parent directory and want to search within its directory entry table */
if(!(parent->attributes & FAT16_ATTRIB_DIR))
return 0;
/* loop through all clusters of the directory */
uint8_t buffer[32];
uint32_t cluster_offset;
uint16_t cluster_size = fs->header.cluster_size;
uint16_t cluster_num = parent->cluster;
struct fat16_read_callback_arg arg;
while(1)
{
/* calculate new cluster offset */
cluster_offset = fs->header.cluster_zero_offset + (uint32_t) (cluster_num - 2) * cluster_size;
/* seek to the n-th entry */
memset(&arg, 0, sizeof(arg));
arg.entry_num = entry_num;
if(!fs->partition->device_read_interval(cluster_offset,
buffer,
sizeof(buffer),
cluster_size,
fat16_dir_entry_seek_callback,
&arg)
)
return 0;
/* check if we found the entry */
if(arg.entry_offset)
break;
/* get number of next cluster */
if(!(cluster_num = fat16_get_next_cluster(fs, cluster_num)))
return 0; /* directory entry not found */
}
memset(dir_entry, 0, sizeof(*dir_entry));
/* read entry */
if(!fs->partition->device_read_interval(arg.entry_offset,
buffer,
sizeof(buffer),
arg.byte_count,
fat16_dir_entry_read_callback,
dir_entry))
return 0;
return dir_entry->long_name[0] != '\0' ? 1 : 0;
}
/**
* \ingroup fat16_fs
* Callback function for seeking through subdirectory entries.
*/
uint8_t fat16_dir_entry_seek_callback(uint8_t* buffer, uint32_t offset, void* p)
{
struct fat16_read_callback_arg* arg = p;
/* skip deleted or empty entries */
if(buffer[0] == FAT16_DIRENTRY_DELETED || !buffer[0])
return 1;
if(arg->entry_cur == arg->entry_num)
{
arg->entry_offset = offset;
arg->byte_count = buffer[11] == 0x0f ?
((buffer[0] & FAT16_DIRENTRY_LFNSEQMASK) + 1) * 32 :
32;
return 0;
}
/* if we read a 8.3 entry, we reached a new directory entry */
if(buffer[11] != 0x0f)
++arg->entry_cur;
return 1;
}
/**
* \ingroup fat16_fs
* Callback function for reading a directory entry.
*/
uint8_t fat16_dir_entry_read_callback(uint8_t* buffer, uint32_t offset, void* p)
{
struct fat16_dir_entry_struct* dir_entry = p;
/* there should not be any deleted or empty entries */
if(buffer[0] == FAT16_DIRENTRY_DELETED || !buffer[0])
return 0;
if(!dir_entry->entry_offset)
dir_entry->entry_offset = offset;
switch(fat16_interpret_dir_entry(dir_entry, buffer))
{
case 0: /* failure */
return 0;
case 1: /* buffer successfully parsed, continue */
return 1;
case 2: /* directory entry complete, finish */
return 0;
}
return 0;
}
/**
* \ingroup fat16_fs
* Interprets a raw directory entry and puts the contained
* information into the directory entry.
*
* For a single file there may exist multiple directory
* entries. All except the last one are lfn entries, which
* contain parts of the long filename. The last directory
* entry is a traditional 8.3 style one. It contains all
* other information like size, cluster, date and time.
*
* \param[in,out] dir_entry The directory entry to fill.
* \param[in] raw_entry A pointer to 32 bytes of raw data.
* \returns 0 on failure, 1 on success and 2 if the
* directory entry is complete.
*/
uint8_t fat16_interpret_dir_entry(struct fat16_dir_entry_struct* dir_entry, const uint8_t* raw_entry)
{
if(!dir_entry || !raw_entry || !raw_entry[0])
return 0;
char* long_name = dir_entry->long_name;
if(raw_entry[11] == 0x0f)
{
uint16_t char_offset = ((raw_entry[0] & 0x3f) - 1) * 13;
if(char_offset + 12 < sizeof(dir_entry->long_name))
{
/* Lfn supports unicode, but we do not, for now.
* So we assume pure ascii and read only every
* second byte.
*/
long_name[char_offset + 0] = raw_entry[1];
long_name[char_offset + 1] = raw_entry[3];
long_name[char_offset + 2] = raw_entry[5];
long_name[char_offset + 3] = raw_entry[7];
long_name[char_offset + 4] = raw_entry[9];
long_name[char_offset + 5] = raw_entry[14];
long_name[char_offset + 6] = raw_entry[16];
long_name[char_offset + 7] = raw_entry[18];
long_name[char_offset + 8] = raw_entry[20];
long_name[char_offset + 9] = raw_entry[22];
long_name[char_offset + 10] = raw_entry[24];
long_name[char_offset + 11] = raw_entry[28];
long_name[char_offset + 12] = raw_entry[30];
}
return 1;
}
else
{
/* if we do not have a long name, take the short one */
if(long_name[0] == '\0')
{
uint8_t i;
for(i = 0; i < 8; ++i)
{
if(raw_entry[i] == ' ')
break;
long_name[i] = raw_entry[i];
}
if(long_name[0] == 0x05)
long_name[0] = (char) FAT16_DIRENTRY_DELETED;
if(raw_entry[8] != ' ')
{
long_name[i++] = '.';
uint8_t j = 8;
for(; j < 11; ++j)
{
if(raw_entry[j] != ' ')
{
long_name[i++] = raw_entry[j];
}
else
{
break;
}
}
}
long_name[i] = '\0';
}
/* extract properties of file and store them within the structure */
dir_entry->attributes = raw_entry[11];
dir_entry->cluster = ((uint16_t) raw_entry[26]) |
((uint16_t) raw_entry[27] << 8);
dir_entry->file_size = ((uint32_t) raw_entry[28]) |
((uint32_t) raw_entry[29] << 8) |
((uint32_t) raw_entry[30] << 16) |
((uint32_t) raw_entry[31] << 24);
#if FAT16_DATETIME_SUPPORT
dir_entry->modification_time = ((uint16_t) raw_entry[22]) |
((uint16_t) raw_entry[23] << 8);
dir_entry->modification_date = ((uint16_t) raw_entry[24]) |
((uint16_t) raw_entry[25] << 8);
#endif
return 2;
}
}
/**
* \ingroup fat16_file
* Retrieves the directory entry of a path.
*
* The given path may both describe a file or a directory.
*
* \param[in] fs The FAT16 filesystem on which to search.
* \param[in] path The path of which to read the directory entry.
* \param[out] dir_entry The directory entry to fill.
* \returns 0 on failure, 1 on success.
* \see fat16_read_dir
*/
uint8_t fat16_get_dir_entry_of_path(struct fat16_fs_struct* fs, const char* path, struct fat16_dir_entry_struct* dir_entry)
{
if(!fs || !path || path[0] == '\0' || !dir_entry)
return 0;
if(path[0] == '/')
++path;
/* begin with the root directory */
memset(dir_entry, 0, sizeof(*dir_entry));
dir_entry->attributes = FAT16_ATTRIB_DIR;
if(path[0] == '\0')
return 1;
while(1)
{
struct fat16_dir_struct* dd = fat16_open_dir(fs, dir_entry);
if(!dd)
break;
/* extract the next hierarchy we will search for */
const char* sep_pos = strchr(path, '/');
if(!sep_pos)
sep_pos = path + strlen(path);
uint8_t length_to_sep = sep_pos - path;
/* read directory entries */
while(fat16_read_dir(dd, dir_entry))
{
/* check if we have found the next hierarchy */
if((strlen(dir_entry->long_name) != length_to_sep ||
strncmp(path, dir_entry->long_name, length_to_sep) != 0))
continue;
fat16_close_dir(dd);
dd = 0;
if(path[length_to_sep] == '\0')
/* we iterated through the whole path and have found the file */
return 1;
if(dir_entry->attributes & FAT16_ATTRIB_DIR)
{
/* we found a parent directory of the file we are searching for */
path = sep_pos + 1;
break;
}
/* a parent of the file exists, but not the file itself */
return 0;
}
fat16_close_dir(dd);
}
return 0;
}
/**
* \ingroup fat16_fs
* Retrieves the next following cluster of a given cluster.
*
* Using the filesystem file allocation table, this function returns
* the number of the cluster containing the data directly following
* the data within the cluster with the given number.
*
* \param[in] fs The filesystem for which to determine the next cluster.
* \param[in] cluster_num The number of the cluster for which to determine its successor.
* \returns The wanted cluster number, or 0 on error.
*/
uint16_t fat16_get_next_cluster(const struct fat16_fs_struct* fs, uint16_t cluster_num)
{
if(!fs || cluster_num < 2)
return 0;
/* read appropriate fat entry */
uint8_t fat_entry[2];
if(!fs->partition->device_read(fs->header.fat_offset + 2 * cluster_num, fat_entry, 2))
return 0;
/* determine next cluster from fat */
cluster_num = ((uint16_t) fat_entry[0]) |
((uint16_t) fat_entry[1] << 8);
if(cluster_num == FAT16_CLUSTER_FREE ||
cluster_num == FAT16_CLUSTER_BAD ||
(cluster_num >= FAT16_CLUSTER_RESERVED_MIN && cluster_num <= FAT16_CLUSTER_RESERVED_MAX) ||
(cluster_num >= FAT16_CLUSTER_LAST_MIN && cluster_num <= FAT16_CLUSTER_LAST_MAX))
return 0;
return cluster_num;
}
/**
* \ingroup fat16_fs
* Appends a new cluster chain to an existing one.
*
* Set cluster_num to zero to create a completely new one.
*
* \param[in] fs The file system on which to operate.
* \param[in] cluster_num The cluster to which to append the new chain.
* \param[in] count The number of clusters to allocate.
* \returns 0 on failure, the number of the first new cluster on success.
*/
uint16_t fat16_append_clusters(const struct fat16_fs_struct* fs, uint16_t cluster_num, uint16_t count)
{
#if FAT16_WRITE_SUPPORT
if(!fs)
return 0;
device_read_t device_read = fs->partition->device_read;
device_write_t device_write = fs->partition->device_write;
uint32_t fat_offset = fs->header.fat_offset;
uint16_t cluster_max = fs->header.fat_size / 2;
uint16_t cluster_next = 0;
uint16_t count_left = count;
uint8_t buffer[2];
for(uint16_t cluster_new = 0; cluster_new < cluster_max; ++cluster_new)
{
if(!device_read(fat_offset + 2 * cluster_new, buffer, sizeof(buffer)))
return 0;
/* check if this is a free cluster */
if(buffer[0] == (FAT16_CLUSTER_FREE & 0xff) &&
buffer[1] == ((FAT16_CLUSTER_FREE >> 8) & 0xff))
{
/* allocate cluster */
if(count_left == count)
{
buffer[0] = FAT16_CLUSTER_LAST_MAX & 0xff;
buffer[1] = (FAT16_CLUSTER_LAST_MAX >> 8) & 0xff;
}
else
{
buffer[0] = cluster_next & 0xff;
buffer[1] = (cluster_next >> 8) & 0xff;
}
if(!device_write(fat_offset + 2 * cluster_new, buffer, sizeof(buffer)))
break;
cluster_next = cluster_new;
if(--count_left == 0)
break;
}
}
do
{
if(count_left > 0)
break;
/* We allocated a new cluster chain. Now join
* it with the existing one.
*/
if(cluster_num >= 2)
{
buffer[0] = cluster_next & 0xff;
buffer[1] = (cluster_next >> 8) & 0xff;
if(!device_write(fat_offset + 2 * cluster_num, buffer, sizeof(buffer)))
break;
}
return cluster_next;
} while(0);
/* No space left on device or writing error.
* Free up all clusters already allocated.
*/
fat16_free_clusters(fs, cluster_next);
return 0;
#else
return 0;
#endif
}
/**
* \ingroup fat16_fs
* Frees a cluster chain, or a part thereof.
*
* Marks the specified cluster and all clusters which are sequentially
* referenced by it as free. They may then be used again for future
* file allocations.
*
* \note If this function is used for freeing just a part of a cluster
* chain, the new end of the chain is not correctly terminated
* within the FAT. Use fat16_terminate_clusters() instead.
*
* \param[in] fs The filesystem on which to operate.
* \param[in] cluster_num The starting cluster of the chain which to free.
* \returns 0 on failure, 1 on success.
* \see fat16_terminate_clusters
*/
uint8_t fat16_free_clusters(const struct fat16_fs_struct* fs, uint16_t cluster_num)
{
#if FAT16_WRITE_SUPPORT
if(!fs || cluster_num < 2)
return 0;
uint32_t fat_offset = fs->header.fat_offset;
uint8_t buffer[2];
while(cluster_num)
{
if(!fs->partition->device_read(fat_offset + 2 * cluster_num, buffer, 2))
return 0;
/* get next cluster of current cluster before freeing current cluster */
uint16_t cluster_num_next = ((uint16_t) buffer[0]) |
((uint16_t) buffer[1] << 8);
if(cluster_num_next == FAT16_CLUSTER_FREE)
return 1;
if(cluster_num_next == FAT16_CLUSTER_BAD ||
(cluster_num_next >= FAT16_CLUSTER_RESERVED_MIN &&
cluster_num_next <= FAT16_CLUSTER_RESERVED_MAX
)
)
return 0;
if(cluster_num_next >= FAT16_CLUSTER_LAST_MIN && cluster_num_next <= FAT16_CLUSTER_LAST_MAX)
cluster_num_next = 0;
/* free cluster */
buffer[0] = FAT16_CLUSTER_FREE & 0xff;
buffer[1] = (FAT16_CLUSTER_FREE >> 8) & 0xff;
fs->partition->device_write(fat_offset + 2 * cluster_num, buffer, 2);
/* We continue in any case here, even if freeing the cluster failed.
* The cluster is lost, but maybe we can still free up some later ones.
*/
cluster_num = cluster_num_next;
}
return 1;
#else
return 0;
#endif
}
/**
* \ingroup fat16_fs
* Frees a part of a cluster chain and correctly terminates the rest.
*
* Marks the specified cluster as the new end of a cluster chain and
* frees all following clusters.
*
* \param[in] fs The filesystem on which to operate.
* \param[in] cluster_num The new end of the cluster chain.
* \returns 0 on failure, 1 on success.
* \see fat16_free_clusters
*/
uint8_t fat16_terminate_clusters(const struct fat16_fs_struct* fs, uint16_t cluster_num)
{
#if FAT16_WRITE_SUPPORT
if(!fs || cluster_num < 2)
return 0;
/* fetch next cluster before overwriting the cluster entry */
uint16_t cluster_num_next = fat16_get_next_cluster(fs, cluster_num);
/* mark cluster as the last one */
uint8_t buffer[2];
buffer[0] = FAT16_CLUSTER_LAST_MAX & 0xff;
buffer[1] = (FAT16_CLUSTER_LAST_MAX >> 8) & 0xff;
if(!fs->partition->device_write(fs->header.fat_offset + 2 * cluster_num, buffer, 2))
return 0;
/* free remaining clusters */
if(cluster_num_next)
return fat16_free_clusters(fs, cluster_num_next);
else
return 1;
#else
return 0;
#endif
}
/**
* \ingroup fat16_fs
* Clears a single cluster.
*
* The complete cluster is filled with zeros.
*
* \param[in] fs The filesystem on which to operate.
* \param[in] cluster_num The cluster to clear.
* \returns 0 on failure, 1 on success.
*/
uint8_t fat16_clear_cluster(const struct fat16_fs_struct* fs, uint16_t cluster_num)
{
#if FAT16_WRITE_SUPPORT
if(cluster_num < 2)
return 0;
uint32_t cluster_offset = fs->header.cluster_zero_offset +
(uint32_t) (cluster_num - 2) * fs->header.cluster_size;
uint8_t zero[16];
return fs->partition->device_write_interval(cluster_offset,
zero,
fs->header.cluster_size,
fat16_clear_cluster_callback,
0
);
#else
return 0;
#endif
}
/**
* \ingroup fat16_fs
* Callback function for clearing a cluster.
*/
uint16_t fat16_clear_cluster_callback(uint8_t* buffer, uint32_t offset, void* p)
{
#if FAT16_WRITE_SUPPORT
memset(buffer, 0, 16);
return 16;
#else
return 0;
#endif
}
/**
* \ingroup fat16_file
* Opens a file on a FAT16 filesystem.
*
* \param[in] fs The filesystem on which the file to open lies.
* \param[in] dir_entry The directory entry of the file to open.
* \returns The file handle, or 0 on failure.
* \see fat16_close_file
*/
struct fat16_file_struct* fat16_open_file(struct fat16_fs_struct* fs, const struct fat16_dir_entry_struct* dir_entry)
{
if(!fs || !dir_entry || (dir_entry->attributes & FAT16_ATTRIB_DIR))
return 0;
#if USE_DYNAMIC_MEMORY
struct fat16_file_struct* fd = malloc(sizeof(*fd));
if(!fd)
return 0;
#else
struct fat16_file_struct* fd = fat16_file_handlers;
uint8_t i;
for(i = 0; i < FAT16_FILE_COUNT; ++i)
{
if(!fd->fs)
break;
++fd;
}
if(i >= FAT16_FILE_COUNT)
return 0;
#endif
memcpy(&fd->dir_entry, dir_entry, sizeof(*dir_entry));
fd->fs = fs;
fd->pos = 0;
fd->pos_cluster = dir_entry->cluster;
return fd;
}
/**
* \ingroup fat16_file
* Closes a file.
*
* \param[in] fd The file handle of the file to close.
* \see fat16_open_file
*/
void fat16_close_file(struct fat16_file_struct* fd)
{
if(fd)
#if USE_DYNAMIC_MEMORY
free(fd);
#else
fd->fs = 0;
#endif
}
/**
* \ingroup fat16_file
* Reads data from a file.
*
* The data requested is read from the current file location.
*
* \param[in] fd The file handle of the file from which to read.
* \param[out] buffer The buffer into which to write.
* \param[in] buffer_len The amount of data to read.
* \returns The number of bytes read, 0 on end of file, or -1 on failure.
* \see fat16_write_file
*/
int16_t fat16_read_file(struct fat16_file_struct* fd, uint8_t* buffer, uint16_t buffer_len)
{
/* check arguments */
if(!fd || !buffer || buffer_len < 1)
return -1;
/* determine number of bytes to read */
if(fd->pos + buffer_len > fd->dir_entry.file_size)
buffer_len = fd->dir_entry.file_size - fd->pos;
if(buffer_len == 0)
return 0;
uint16_t cluster_size = fd->fs->header.cluster_size;
uint16_t cluster_num = fd->pos_cluster;
uint16_t buffer_left = buffer_len;
uint16_t first_cluster_offset = fd->pos % cluster_size;
/* find cluster in which to start reading */
if(!cluster_num)
{
cluster_num = fd->dir_entry.cluster;
if(!cluster_num)
{
if(!fd->pos)
return 0;
else
return -1;
}
if(fd->pos)
{
uint32_t pos = fd->pos;
while(pos >= cluster_size)
{
pos -= cluster_size;
cluster_num = fat16_get_next_cluster(fd->fs, cluster_num);
if(!cluster_num)
return -1;
}
}
}
/* read data */
do
{
/* calculate data size to copy from cluster */
uint32_t cluster_offset = fd->fs->header.cluster_zero_offset +
(uint32_t) (cluster_num - 2) * cluster_size + first_cluster_offset;
uint16_t copy_length = cluster_size - first_cluster_offset;
if(copy_length > buffer_left)
copy_length = buffer_left;
/* read data */
if(!fd->fs->partition->device_read(cluster_offset, buffer, copy_length))
return buffer_len - buffer_left;
/* calculate new file position */
buffer += copy_length;
buffer_left -= copy_length;
fd->pos += copy_length;
if(first_cluster_offset + copy_length >= cluster_size)
{
/* we are on a cluster boundary, so get the next cluster */
if((cluster_num = fat16_get_next_cluster(fd->fs, cluster_num)))
{
first_cluster_offset = 0;
}
else
{
fd->pos_cluster = 0;
return buffer_len - buffer_left;
}
}
fd->pos_cluster = cluster_num;
} while(buffer_left > 0); /* check if we are done */
return buffer_len;
}
/**
* \ingroup fat16_file
* Writes data to a file.
*
* The data is written to the current file location.
*
* \param[in] fd The file handle of the file to which to write.
* \param[in] buffer The buffer from which to read the data to be written.
* \param[in] buffer_len The amount of data to write.
* \returns The number of bytes written, 0 on disk full, or -1 on failure.
* \see fat16_read_file
*/
int16_t fat16_write_file(struct fat16_file_struct* fd, const uint8_t* buffer, uint16_t buffer_len)
{
#if FAT16_WRITE_SUPPORT
/* check arguments */
if(!fd || !buffer || buffer_len < 1)
return -1;
if(fd->pos > fd->dir_entry.file_size)
return -1;
uint16_t cluster_size = fd->fs->header.cluster_size;
uint16_t cluster_num = fd->pos_cluster;
uint16_t buffer_left = buffer_len;
uint16_t first_cluster_offset = fd->pos % cluster_size;
/* find cluster in which to start writing */
if(!cluster_num)
{
cluster_num = fd->dir_entry.cluster;
if(!cluster_num)
{
if(!fd->pos)
{
/* empty file */
fd->dir_entry.cluster = cluster_num = fat16_append_clusters(fd->fs, 0, 1);
if(!cluster_num)
return -1;
}
else
{
return -1;
}
}
if(fd->pos)
{
uint32_t pos = fd->pos;
uint16_t cluster_num_next;
while(pos >= cluster_size)
{
pos -= cluster_size;
cluster_num_next = fat16_get_next_cluster(fd->fs, cluster_num);
if(!cluster_num_next && pos == 0)
/* the file exactly ends on a cluster boundary, and we append to it */
cluster_num_next = fat16_append_clusters(fd->fs, cluster_num, 1);
if(!cluster_num_next)
return -1;
cluster_num = cluster_num_next;
}
}
}
/* write data */
do
{
/* calculate data size to write to cluster */
uint32_t cluster_offset = fd->fs->header.cluster_zero_offset +
(uint32_t) (cluster_num - 2) * cluster_size + first_cluster_offset;
uint16_t write_length = cluster_size - first_cluster_offset;
if(write_length > buffer_left)
write_length = buffer_left;
/* write data which fits into the current cluster */
if(!fd->fs->partition->device_write(cluster_offset, buffer, write_length))
break;
/* calculate new file position */
buffer += write_length;
buffer_left -= write_length;
fd->pos += write_length;
if(first_cluster_offset + write_length >= cluster_size)
{
/* we are on a cluster boundary, so get the next cluster */
uint16_t cluster_num_next = fat16_get_next_cluster(fd->fs, cluster_num);
if(!cluster_num_next && buffer_left > 0)
/* we reached the last cluster, append a new one */
cluster_num_next = fat16_append_clusters(fd->fs, cluster_num, 1);
if(!cluster_num_next)
{
fd->pos_cluster = 0;
break;
}
cluster_num = cluster_num_next;
first_cluster_offset = 0;
}
fd->pos_cluster = cluster_num;
} while(buffer_left > 0); /* check if we are done */
/* update directory entry */
if(fd->pos > fd->dir_entry.file_size)
{
uint32_t size_old = fd->dir_entry.file_size;
/* update file size */
fd->dir_entry.file_size = fd->pos;
/* write directory entry */
if(!fat16_write_dir_entry(fd->fs, &fd->dir_entry))
{
/* We do not return an error here since we actually wrote
* some data to disk. So we calculate the amount of data
* we wrote to disk and which lies within the old file size.
*/
buffer_left = fd->pos - size_old;
fd->pos = size_old;
}
}
return buffer_len - buffer_left;
#else
return -1;
#endif
}
/**
* \ingroup fat16_file
* Repositions the read/write file offset.
*
* Changes the file offset where the next call to fat16_read_file()
* or fat16_write_file() starts reading/writing.
*
* If the new offset is beyond the end of the file, fat16_resize_file()
* is implicitly called, i.e. the file is expanded.
*
* The new offset can be given in different ways determined by
* the \c whence parameter:
* - \b FAT16_SEEK_SET: \c *offset is relative to the beginning of the file.
* - \b FAT16_SEEK_CUR: \c *offset is relative to the current file position.
* - \b FAT16_SEEK_END: \c *offset is relative to the end of the file.
*
* The resulting absolute offset is written to the location the \c offset
* parameter points to.
*
* \param[in] fd The file decriptor of the file on which to seek.
* \param[in,out] offset A pointer to the new offset, as affected by the \c whence
* parameter. The function writes the new absolute offset
* to this location before it returns.
* \param[in] whence Affects the way \c offset is interpreted, see above.
* \returns 0 on failure, 1 on success.
*/
uint8_t fat16_seek_file(struct fat16_file_struct* fd, int32_t* offset, uint8_t whence)
{
if(!fd || !offset)
return 0;
uint32_t new_pos = fd->pos;
switch(whence)
{
case FAT16_SEEK_SET:
new_pos = *offset;
break;
case FAT16_SEEK_CUR:
new_pos += *offset;
break;
case FAT16_SEEK_END:
new_pos = fd->dir_entry.file_size + *offset;
break;
default:
return 0;
}
if(new_pos > fd->dir_entry.file_size && !fat16_resize_file(fd, new_pos))
return 0;
fd->pos = new_pos;
fd->pos_cluster = 0;
*offset = new_pos;
return 1;
}
/**
* \ingroup fat16_file
* Resizes a file to have a specific size.
*
* Enlarges or shrinks the file pointed to by the file descriptor to have
* exactly the specified size.
*
* If the file is truncated, all bytes having an equal or larger offset
* than the given size are lost. If the file is expanded, the additional
* bytes are allocated.
*
* \note Please be aware that this function just allocates or deallocates disk
* space, it does not explicitely clear it. To avoid data leakage, this
* must be done manually.
*
* \param[in] fd The file decriptor of the file which to resize.
* \param[in] size The new size of the file.
* \returns 0 on failure, 1 on success.
*/
uint8_t fat16_resize_file(struct fat16_file_struct* fd, uint32_t size)
{
#if FAT16_WRITE_SUPPORT
if(!fd)
return 0;
uint16_t cluster_num = fd->dir_entry.cluster;
uint16_t cluster_size = fd->fs->header.cluster_size;
uint32_t size_new = size;
do
{
if(cluster_num == 0 && size_new == 0)
/* the file stays empty */
break;
/* seek to the next cluster as long as we need the space */
while(size_new > cluster_size)
{
/* get next cluster of file */
uint16_t cluster_num_next = fat16_get_next_cluster(fd->fs, cluster_num);
if(cluster_num_next)
{
cluster_num = cluster_num_next;
size_new -= cluster_size;
}
else
{
break;
}
}
if(size_new > cluster_size || cluster_num == 0)
{
/* Allocate new cluster chain and append
* it to the existing one, if available.
*/
uint16_t cluster_count = size_new / cluster_size;
if((uint32_t) cluster_count * cluster_size < size_new)
++cluster_count;
uint16_t cluster_new_chain = fat16_append_clusters(fd->fs, cluster_num, cluster_count);
if(!cluster_new_chain)
return 0;
if(!cluster_num)
{
cluster_num = cluster_new_chain;
fd->dir_entry.cluster = cluster_num;
}
}
/* write new directory entry */
fd->dir_entry.file_size = size;
if(size == 0)
fd->dir_entry.cluster = 0;
if(!fat16_write_dir_entry(fd->fs, &fd->dir_entry))
return 0;
if(size == 0)
{
/* free all clusters of file */
fat16_free_clusters(fd->fs, cluster_num);
}
else if(size_new <= cluster_size)
{
/* free all clusters no longer needed */
fat16_terminate_clusters(fd->fs, cluster_num);
}
} while(0);
/* correct file position */
if(size < fd->pos)
{
fd->pos = size;
fd->pos_cluster = 0;
}
return 1;
#else
return 0;
#endif
}
/**
* \ingroup fat16_dir
* Opens a directory.
*
* \param[in] fs The filesystem on which the directory to open resides.
* \param[in] dir_entry The directory entry which stands for the directory to open.
* \returns An opaque directory descriptor on success, 0 on failure.
* \see fat16_close_dir
*/
struct fat16_dir_struct* fat16_open_dir(struct fat16_fs_struct* fs, const struct fat16_dir_entry_struct* dir_entry)
{
if(!fs || !dir_entry || !(dir_entry->attributes & FAT16_ATTRIB_DIR))
return 0;
#if USE_DYNAMIC_MEMORY
struct fat16_dir_struct* dd = malloc(sizeof(*dd));
if(!dd)
return 0;
#else
struct fat16_dir_struct* dd = fat16_dir_handlers;
uint8_t i;
for(i = 0; i < FAT16_DIR_COUNT; ++i)
{
if(!dd->fs)
break;
++dd;
}
if(i >= FAT16_DIR_COUNT)
return 0;
#endif
memcpy(&dd->dir_entry, dir_entry, sizeof(*dir_entry));
dd->fs = fs;
dd->entry_next = 0;
return dd;
}
/**
* \ingroup fat16_dir
* Closes a directory descriptor.
*
* This function destroys a directory descriptor which was
* previously obtained by calling fat16_open_dir(). When this
* function returns, the given descriptor will be invalid.
*
* \param[in] dd The directory descriptor to close.
* \see fat16_open_dir
*/
void fat16_close_dir(struct fat16_dir_struct* dd)
{
if(dd)
#if USE_DYNAMIC_MEMORY
free(dd);
#else
dd->fs = 0;
#endif
}
/**
* \ingroup fat16_dir
* Reads the next directory entry contained within a parent directory.
*
* \param[in] dd The descriptor of the parent directory from which to read the entry.
* \param[out] dir_entry Pointer to a buffer into which to write the directory entry information.
* \returns 0 on failure, 1 on success.
* \see fat16_reset_dir
*/
uint8_t fat16_read_dir(struct fat16_dir_struct* dd, struct fat16_dir_entry_struct* dir_entry)
{
if(!dd || !dir_entry)
return 0;
if(dd->dir_entry.cluster == 0)
{
/* read entry from root directory */
if(fat16_read_root_dir_entry(dd->fs, dd->entry_next, dir_entry))
{
++dd->entry_next;
return 1;
}
}
else
{
/* read entry from a subdirectory */
if(fat16_read_sub_dir_entry(dd->fs, dd->entry_next, &dd->dir_entry, dir_entry))
{
++dd->entry_next;
return 1;
}
}
/* restart reading */
dd->entry_next = 0;
return 0;
}
/**
* \ingroup fat16_dir
* Resets a directory handle.
*
* Resets the directory handle such that reading restarts
* with the first directory entry.
*
* \param[in] dd The directory handle to reset.
* \returns 0 on failure, 1 on success.
* \see fat16_read_dir
*/
uint8_t fat16_reset_dir(struct fat16_dir_struct* dd)
{
if(!dd)
return 0;
dd->entry_next = 0;
return 1;
}
/**
* \ingroup fat16_fs
* Searches for space where to store a directory entry.
*
* \param[in] fs The filesystem on which to operate.
* \param[in] dir_entry The directory entry for which to search space.
* \returns 0 on failure, a device offset on success.
*/
uint32_t fat16_find_offset_for_dir_entry(const struct fat16_fs_struct* fs, const struct fat16_dir_struct* parent, const struct fat16_dir_entry_struct* dir_entry)
{
#if FAT16_WRITE_SUPPORT
if(!fs || !dir_entry)
return 0;
/* search for a place where to write the directory entry to disk */
uint8_t free_dir_entries_needed = (strlen(dir_entry->long_name) + 12) / 13 + 1;
uint8_t free_dir_entries_found = 0;
uint16_t cluster_num = parent->dir_entry.cluster;
uint32_t dir_entry_offset = 0;
uint32_t offset = 0;
uint32_t offset_to = 0;
if(cluster_num == 0)
{
/* we read/write from the root directory entry */
offset = fs->header.root_dir_offset;
offset_to = fs->header.cluster_zero_offset;
dir_entry_offset = offset;
}
while(1)
{
if(offset == offset_to)
{
if(cluster_num == 0)
/* We iterated through the whole root directory entry
* and could not find enough space for the directory entry.
*/
return 0;
if(offset)
{
/* We reached a cluster boundary and have to
* switch to the next cluster.
*/
uint16_t cluster_next = fat16_get_next_cluster(fs, cluster_num);
if(!cluster_next)
{
cluster_next = fat16_append_clusters(fs, cluster_num, 1);
if(!cluster_next)
return 0;
/* we appended a new cluster and know it is free */
dir_entry_offset = fs->header.cluster_zero_offset +
(uint32_t) (cluster_next - 2) * fs->header.cluster_size;
/* clear cluster to avoid garbage directory entries */
fat16_clear_cluster(fs, cluster_next);
break;
}
cluster_num = cluster_next;
}
offset = fs->header.cluster_zero_offset +
(uint32_t) (cluster_num - 2) * fs->header.cluster_size;
offset_to = offset + fs->header.cluster_size;
dir_entry_offset = offset;
free_dir_entries_found = 0;
}
/* read next lfn or 8.3 entry */
uint8_t first_char;
if(!fs->partition->device_read(offset, &first_char, sizeof(first_char)))
return 0;
/* check if we found a free directory entry */
if(first_char == FAT16_DIRENTRY_DELETED || !first_char)
{
/* check if we have the needed number of available entries */
++free_dir_entries_found;
if(free_dir_entries_found >= free_dir_entries_needed)
break;
offset += 32;
}
else
{
offset += 32;
dir_entry_offset = offset;
free_dir_entries_found = 0;
}
}
return dir_entry_offset;
#else
return 0;
#endif
}
/**
* \ingroup fat16_fs
* Writes a directory entry to disk.
*
* \note The file name is not checked for invalid characters.
*
* \note The generation of the short 8.3 file name is quite
* simple. The first eight characters are used for the filename.
* The extension, if any, is made up of the first three characters
* following the last dot within the long filename. If the
* filename (without the extension) is longer than eight characters,
* the lower byte of the cluster number replaces the last two
* characters to avoid name clashes. In any other case, it is your
* responsibility to avoid name clashes.
*
* \param[in] fs The filesystem on which to operate.
* \param[in] dir_entry The directory entry to write.
* \returns 0 on failure, 1 on success.
*/
uint8_t fat16_write_dir_entry(const struct fat16_fs_struct* fs, struct fat16_dir_entry_struct* dir_entry)
{
#if FAT16_WRITE_SUPPORT
if(!fs || !dir_entry)
return 0;
#if FAT16_DATETIME_SUPPORT
{
uint16_t year;
uint8_t month;
uint8_t day;
uint8_t hour;
uint8_t min;
uint8_t sec;
fat16_get_datetime(&year, &month, &day, &hour, &min, &sec);
fat16_set_file_modification_date(dir_entry, year, month, day);
fat16_set_file_modification_time(dir_entry, hour, min, sec);
}
#endif
device_write_t device_write = fs->partition->device_write;
uint32_t offset = dir_entry->entry_offset;
const char* name = dir_entry->long_name;
uint8_t name_len = strlen(name);
uint8_t lfn_entry_count = (name_len + 12) / 13;
uint8_t buffer[32];
/* write 8.3 entry */
/* generate 8.3 file name */
memset(&buffer[0], ' ', 11);
char* name_ext = strrchr(name, '.');
if(name_ext && *++name_ext)
{
uint8_t name_ext_len = strlen(name_ext);
name_len -= name_ext_len + 1;
if(name_ext_len > 3)
name_ext_len = 3;
memcpy(&buffer[8], name_ext, name_ext_len);
}
if(name_len <= 8)
{
memcpy(buffer, name, name_len);
/* For now, we create lfn entries for all files,
* except the "." and ".." directory references.
* This is to avoid difficulties with capitalization,
* as 8.3 filenames allow uppercase letters only.
*
* Theoretically it would be possible to leave
* the 8.3 entry alone if the basename and the
* extension have no mixed capitalization.
*/
if(name[0] == '.' &&
((name[1] == '.' && name[2] == '\0') ||
name[1] == '\0')
)
lfn_entry_count = 0;
}
else
{
memcpy(buffer, name, 8);
/* Minimize 8.3 name clashes by appending
* the lower byte of the cluster number.
*/
uint8_t num = dir_entry->cluster & 0xff;
buffer[6] = (num < 0xa0) ? ('0' + (num >> 4)) : ('a' + (num >> 4));
num &= 0x0f;
buffer[7] = (num < 0x0a) ? ('0' + num) : ('a' + num);
}
if(buffer[0] == FAT16_DIRENTRY_DELETED)
buffer[0] = 0x05;
/* fill directory entry buffer */
memset(&buffer[11], 0, sizeof(buffer) - 11);
buffer[0x0b] = dir_entry->attributes;
#if FAT16_DATETIME_SUPPORT
buffer[0x16] = (dir_entry->modification_time >> 0) & 0xff;
buffer[0x17] = (dir_entry->modification_time >> 8) & 0xff;
buffer[0x18] = (dir_entry->modification_date >> 0) & 0xff;
buffer[0x19] = (dir_entry->modification_date >> 8) & 0xff;
#endif
buffer[0x1a] = (dir_entry->cluster >> 0) & 0xff;
buffer[0x1b] = (dir_entry->cluster >> 8) & 0xff;
buffer[0x1c] = (dir_entry->file_size >> 0) & 0xff;
buffer[0x1d] = (dir_entry->file_size >> 8) & 0xff;
buffer[0x1e] = (dir_entry->file_size >> 16) & 0xff;
buffer[0x1f] = (dir_entry->file_size >> 24) & 0xff;
/* write to disk */
if(!device_write(offset + (uint32_t) lfn_entry_count * 32, buffer, sizeof(buffer)))
return 0;
/* calculate checksum of 8.3 name */
uint8_t checksum = buffer[0];
for(uint8_t i = 1; i < 11; ++i)
checksum = ((checksum >> 1) | (checksum << 7)) + buffer[i];
/* write lfn entries */
for(uint8_t lfn_entry = lfn_entry_count; lfn_entry > 0; --lfn_entry)
{
memset(buffer, 0xff, sizeof(buffer));
/* set file name */
const char* long_name_curr = name + (lfn_entry - 1) * 13;
uint8_t i = 1;
while(i < 0x1f)
{
buffer[i++] = *long_name_curr;
buffer[i++] = 0;
switch(i)
{
case 0x0b:
i = 0x0e;
break;
case 0x1a:
i = 0x1c;
break;
}
if(!*long_name_curr++)
break;
}
/* set index of lfn entry */
buffer[0x00] = lfn_entry;
if(lfn_entry == lfn_entry_count)
buffer[0x00] |= FAT16_DIRENTRY_LFNLAST;
/* mark as lfn entry */
buffer[0x0b] = 0x0f;
/* set 8.3 checksum */
buffer[0x0d] = checksum;
/* clear reserved bytes */
buffer[0x0c] = 0;
buffer[0x1a] = 0;
buffer[0x1b] = 0;
/* write entry */
device_write(offset, buffer, sizeof(buffer));
offset += sizeof(buffer);
}
return 1;
#else
return 0;
#endif
}
/**
* \ingroup fat16_file
* Creates a file.
*
* Creates a file and obtains the directory entry of the
* new file. If the file to create already exists, the
* directory entry of the existing file will be returned
* within the dir_entry parameter.
*
* \note The file name is not checked for invalid characters.
*
* \note The generation of the short 8.3 file name is quite
* simple. The first eight characters are used for the filename.
* The extension, if any, is made up of the first three characters
* following the last dot within the long filename. If the
* filename (without the extension) is longer than eight characters,
* the lower byte of the cluster number replaces the last two
* characters to avoid name clashes. In any other case, it is your
* responsibility to avoid name clashes.
*
* \param[in] parent The handle of the directory in which to create the file.
* \param[in] file The name of the file to create.
* \param[out] dir_entry The directory entry to fill for the new file.
* \returns 0 on failure, 1 on success.
* \see fat16_delete_file
*/
uint8_t fat16_create_file(struct fat16_dir_struct* parent, const char* file, struct fat16_dir_entry_struct* dir_entry)
{
#if FAT16_WRITE_SUPPORT
if(!parent || !file || !file[0] || !dir_entry)
return 0;
/* check if the file already exists */
while(1)
{
if(!fat16_read_dir(parent, dir_entry))
break;
if(strcmp(file, dir_entry->long_name) == 0)
{
fat16_reset_dir(parent);
return 0;
}
}
struct fat16_fs_struct* fs = parent->fs;
/* prepare directory entry with values already known */
memset(dir_entry, 0, sizeof(*dir_entry));
strncpy(dir_entry->long_name, file, sizeof(dir_entry->long_name) - 1);
/* find place where to store directory entry */
if(!(dir_entry->entry_offset = fat16_find_offset_for_dir_entry(fs, parent, dir_entry)))
return 0;
/* write directory entry to disk */
if(!fat16_write_dir_entry(fs, dir_entry))
return 0;
return 1;
#else
return 0;
#endif
}
/**
* \ingroup fat16_file
* Deletes a file or directory.
*
* If a directory is deleted without first deleting its
* subdirectories and files, disk space occupied by these
* files will get wasted as there is no chance to release
* it and mark it as free.
*
* \param[in] fs The filesystem on which to operate.
* \param[in] dir_entry The directory entry of the file to delete.
* \returns 0 on failure, 1 on success.
* \see fat16_create_file
*/
uint8_t fat16_delete_file(struct fat16_fs_struct* fs, struct fat16_dir_entry_struct* dir_entry)
{
#if FAT16_WRITE_SUPPORT
if(!fs || !dir_entry)
return 0;
/* get offset of the file's directory entry */
uint32_t dir_entry_offset = dir_entry->entry_offset;
if(!dir_entry_offset)
return 0;
uint8_t buffer[12];
while(1)
{
/* read directory entry */
if(!fs->partition->device_read(dir_entry_offset, buffer, sizeof(buffer)))
return 0;
/* mark the directory entry as deleted */
buffer[0] = FAT16_DIRENTRY_DELETED;
/* write back entry */
if(!fs->partition->device_write(dir_entry_offset, buffer, sizeof(buffer)))
return 0;
/* check if we deleted the whole entry */
if(buffer[11] != 0x0f)
break;
dir_entry_offset += 32;
}
/* We deleted the directory entry. The next thing to do is
* marking all occupied clusters as free.
*/
return (dir_entry->cluster == 0 || fat16_free_clusters(fs, dir_entry->cluster));
#else
return 0;
#endif
}
/**
* \ingroup fat16_dir
* Creates a directory.
*
* Creates a directory and obtains its directory entry.
* If the directory to create already exists, its
* directory entry will be returned within the dir_entry
* parameter.
*
* \note The notes which apply to fat16_create_file also
* apply to this function.
*
* \param[in] parent The handle of the parent directory of the new directory.
* \param[in] dir The name of the directory to create.
* \param[out] dir_entry The directory entry to fill for the new directory.
* \returns 0 on failure, 1 on success.
* \see fat16_delete_dir
*/
uint8_t fat16_create_dir(struct fat16_dir_struct* parent, const char* dir, struct fat16_dir_entry_struct* dir_entry)
{
#if FAT16_WRITE_SUPPORT
if(!parent || !dir || !dir[0] || !dir_entry)
return 0;
/* check if the file or directory already exists */
while(1)
{
if(!fat16_read_dir(parent, dir_entry))
break;
if(strcmp(dir, dir_entry->long_name) == 0)
{
fat16_reset_dir(parent);
return 0;
}
}
struct fat16_fs_struct* fs = parent->fs;
/* allocate cluster which will hold directory entries */
uint16_t dir_cluster = fat16_append_clusters(fs, 0, 1);
if(!dir_cluster)
return 0;
/* clear cluster to prevent bogus directory entries */
fat16_clear_cluster(fs, dir_cluster);
memset(dir_entry, 0, sizeof(*dir_entry));
dir_entry->attributes = FAT16_ATTRIB_DIR;
/* create "." directory self reference */
dir_entry->entry_offset = fs->header.cluster_zero_offset +
(uint32_t) (dir_cluster - 2) * fs->header.cluster_size;
dir_entry->long_name[0] = '.';
dir_entry->cluster = dir_cluster;
if(!fat16_write_dir_entry(fs, dir_entry))
{
fat16_free_clusters(fs, dir_cluster);
return 0;
}
/* create ".." parent directory reference */
dir_entry->entry_offset += 32;
dir_entry->long_name[1] = '.';
dir_entry->cluster = parent->dir_entry.cluster;
if(!fat16_write_dir_entry(fs, dir_entry))
{
fat16_free_clusters(fs, dir_cluster);
return 0;
}
/* fill directory entry */
strncpy(dir_entry->long_name, dir, sizeof(dir_entry->long_name) - 1);
dir_entry->cluster = dir_cluster;
/* find place where to store directory entry */
if(!(dir_entry->entry_offset = fat16_find_offset_for_dir_entry(fs, parent, dir_entry)))
{
fat16_free_clusters(fs, dir_cluster);
return 0;
}
/* write directory to disk */
if(!fat16_write_dir_entry(fs, dir_entry))
{
fat16_free_clusters(fs, dir_cluster);
return 0;
}
return 1;
#else
return 0;
#endif
}
/**
* \ingroup fat16_dir
* Deletes a directory.
*
* This is just a synonym for fat16_delete_file().
* If a directory is deleted without first deleting its
* subdirectories and files, disk space occupied by these
* files will get wasted as there is no chance to release
* it and mark it as free.
*
* \param[in] fs The filesystem on which to operate.
* \param[in] dir_entry The directory entry of the directory to delete.
* \returns 0 on failure, 1 on success.
* \see fat16_create_dir
*/
#ifdef DOXYGEN
uint8_t fat16_delete_dir(struct fat16_fs_struct* fs, struct fat16_dir_entry_struct* dir_entry);
#endif
/**
* \ingroup fat16_file
* Returns the modification date of a file.
*
* \param[in] dir_entry The directory entry of which to return the modification date.
* \param[out] year The year the file was last modified.
* \param[out] month The month the file was last modified.
* \param[out] day The day the file was last modified.
*/
void fat16_get_file_modification_date(const struct fat16_dir_entry_struct* dir_entry, uint16_t* year, uint8_t* month, uint8_t* day)
{
#if FAT16_DATETIME_SUPPORT
if(!dir_entry)
return;
*year = 1980 + ((dir_entry->modification_date >> 9) & 0x7f);
*month = (dir_entry->modification_date >> 5) & 0x0f;
*day = (dir_entry->modification_date >> 0) & 0x1f;
#endif
}
/**
* \ingroup fat16_file
* Returns the modification time of a file.
*
* \param[in] dir_entry The directory entry of which to return the modification time.
* \param[out] hour The hour the file was last modified.
* \param[out] min The min the file was last modified.
* \param[out] sec The sec the file was last modified.
*/
void fat16_get_file_modification_time(const struct fat16_dir_entry_struct* dir_entry, uint8_t* hour, uint8_t* min, uint8_t* sec)
{
#if FAT16_DATETIME_SUPPORT
if(!dir_entry)
return;
*hour = (dir_entry->modification_time >> 11) & 0x1f;
*min = (dir_entry->modification_time >> 5) & 0x3f;
*sec = ((dir_entry->modification_time >> 0) & 0x1f) * 2;
#endif
}
/**
* \ingroup fat16_file
* Sets the modification time of a date.
*
* \param[in] dir_entry The directory entry for which to set the modification date.
* \param[in] year The year the file was last modified.
* \param[in] month The month the file was last modified.
* \param[in] day The day the file was last modified.
*/
void fat16_set_file_modification_date(struct fat16_dir_entry_struct* dir_entry, uint16_t year, uint8_t month, uint8_t day)
{
#if FAT16_WRITE_SUPPORT
#if FAT16_DATETIME_SUPPORT
if(!dir_entry)
return;
dir_entry->modification_date =
((year - 1980) << 9) |
((uint16_t) month << 5) |
((uint16_t) day << 0);
#endif
#endif
}
/**
* \ingroup fat16_file
* Sets the modification time of a file.
*
* \param[in] dir_entry The directory entry for which to set the modification time.
* \param[in] hour The year the file was last modified.
* \param[in] min The month the file was last modified.
* \param[in] sec The day the file was last modified.
*/
void fat16_set_file_modification_time(struct fat16_dir_entry_struct* dir_entry, uint8_t hour, uint8_t min, uint8_t sec)
{
#if FAT16_WRITE_SUPPORT
#if FAT16_DATETIME_SUPPORT
if(!dir_entry)
return;
dir_entry->modification_time =
((uint16_t) hour << 11) |
((uint16_t) min << 5) |
((uint16_t) sec >> 1) ;
#endif
#endif
}
/**
* \ingroup fat16_fs
* Returns the amount of total storage capacity of the filesystem in bytes.
*
* \param[in] fs The filesystem on which to operate.
* \returns 0 on failure, the filesystem size in bytes otherwise.
*/
uint32_t fat16_get_fs_size(const struct fat16_fs_struct* fs)
{
if(!fs)
return 0;
return (fs->header.fat_size / 2 - 2) * fs->header.cluster_size;
}
/**
* \ingroup fat16_fs
* Returns the amount of free storage capacity on the filesystem in bytes.
*
* \note As the FAT16 filesystem is cluster based, this function does not
* return continuous values but multiples of the cluster size.
*
* \param[in] fs The filesystem on which to operate.
* \returns 0 on failure, the free filesystem space in bytes otherwise.
*/
uint32_t fat16_get_fs_free(const struct fat16_fs_struct* fs)
{
if(!fs)
return 0;
uint8_t fat[32];
struct fat16_usage_count_callback_arg count_arg;
count_arg.cluster_count = 0;
count_arg.buffer_size = sizeof(fat);
uint32_t fat_offset = fs->header.fat_offset;
uint32_t fat_size = fs->header.fat_size;
while(fat_size > 0)
{
uint16_t length = UINT16_MAX - 1;
if(fat_size < length)
length = fat_size;
if(!fs->partition->device_read_interval(fat_offset,
fat,
sizeof(fat),
length,
fat16_get_fs_free_callback,
&count_arg
)
)
return 0;
fat_offset += length;
fat_size -= length;
}
return (uint32_t) count_arg.cluster_count * fs->header.cluster_size;
}
/**
* \ingroup fat16_fs
* Callback function used for counting free clusters.
*/
uint8_t fat16_get_fs_free_callback(uint8_t* buffer, uint32_t offset, void* p)
{
struct fat16_usage_count_callback_arg* count_arg = (struct fat16_usage_count_callback_arg*) p;
uint8_t buffer_size = count_arg->buffer_size;
for(uint8_t i = 0; i < buffer_size; i += 2)
{
if((((uint16_t) buffer[1] << 8) | ((uint16_t) buffer[0] << 0)) == FAT16_CLUSTER_FREE)
++(count_arg->cluster_count);
buffer += 2;
}
return 1;
}

/Designs/Data_loggers/GPSRL02A/SW/logger/fat16.h
0,0 → 1,121
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either the GNU General Public License version 2
* or the GNU Lesser General Public License version 2.1, both as
* published by the Free Software Foundation.
*/
#ifndef FAT16_H
#define FAT16_H
#include "fat16_config.h"
#include <stdint.h>
/**
* \addtogroup fat16
*
* @{
*/
/**
* \file
* FAT16 header (license: GPLv2 or LGPLv2.1)
*
* \author Roland Riegel
*/
/**
* \addtogroup fat16_file
* @{
*/
/** The file is read-only. */
#define FAT16_ATTRIB_READONLY (1 << 0)
/** The file is hidden. */
#define FAT16_ATTRIB_HIDDEN (1 << 1)
/** The file is a system file. */
#define FAT16_ATTRIB_SYSTEM (1 << 2)
/** The file is empty and has the volume label as its name. */
#define FAT16_ATTRIB_VOLUME (1 << 3)
/** The file is a directory. */
#define FAT16_ATTRIB_DIR (1 << 4)
/** The file has to be archived. */
#define FAT16_ATTRIB_ARCHIVE (1 << 5)
/** The given offset is relative to the beginning of the file. */
#define FAT16_SEEK_SET 0
/** The given offset is relative to the current read/write position. */
#define FAT16_SEEK_CUR 1
/** The given offset is relative to the end of the file. */
#define FAT16_SEEK_END 2
/**
* @}
*/
struct partition_struct;
struct fat16_fs_struct;
struct fat16_file_struct;
struct fat16_dir_struct;
/**
* \ingroup fat16_file
* Describes a directory entry.
*/
struct fat16_dir_entry_struct
{
/** The file's name, truncated to 31 characters. */
char long_name[32];
/** The file's attributes. Mask of the FAT16_ATTRIB_* constants. */
uint8_t attributes;
#if FAT16_DATETIME_SUPPORT
/** Compressed representation of modification time. */
uint16_t modification_time;
/** Compressed representation of modification date. */
uint16_t modification_date;
#endif
/** The cluster in which the file's first byte resides. */
uint16_t cluster;
/** The file's size. */
uint32_t file_size;
/** The total disk offset of this directory entry. */
uint32_t entry_offset;
};
struct fat16_fs_struct* fat16_open(struct partition_struct* partition);
void fat16_close(struct fat16_fs_struct* fs);
struct fat16_file_struct* fat16_open_file(struct fat16_fs_struct* fs, const struct fat16_dir_entry_struct* dir_entry);
void fat16_close_file(struct fat16_file_struct* fd);
int16_t fat16_read_file(struct fat16_file_struct* fd, uint8_t* buffer, uint16_t buffer_len);
int16_t fat16_write_file(struct fat16_file_struct* fd, const uint8_t* buffer, uint16_t buffer_len);
uint8_t fat16_seek_file(struct fat16_file_struct* fd, int32_t* offset, uint8_t whence);
uint8_t fat16_resize_file(struct fat16_file_struct* fd, uint32_t size);
struct fat16_dir_struct* fat16_open_dir(struct fat16_fs_struct* fs, const struct fat16_dir_entry_struct* dir_entry);
void fat16_close_dir(struct fat16_dir_struct* dd);
uint8_t fat16_read_dir(struct fat16_dir_struct* dd, struct fat16_dir_entry_struct* dir_entry);
uint8_t fat16_reset_dir(struct fat16_dir_struct* dd);
uint8_t fat16_create_file(struct fat16_dir_struct* parent, const char* file, struct fat16_dir_entry_struct* dir_entry);
uint8_t fat16_delete_file(struct fat16_fs_struct* fs, struct fat16_dir_entry_struct* dir_entry);
uint8_t fat16_create_dir(struct fat16_dir_struct* parent, const char* dir, struct fat16_dir_entry_struct* dir_entry);
#define fat16_delete_dir fat16_delete_file
void fat16_get_file_modification_date(const struct fat16_dir_entry_struct* dir_entry, uint16_t* year, uint8_t* month, uint8_t* day);
void fat16_get_file_modification_time(const struct fat16_dir_entry_struct* dir_entry, uint8_t* hour, uint8_t* min, uint8_t* sec);
uint8_t fat16_get_dir_entry_of_path(struct fat16_fs_struct* fs, const char* path, struct fat16_dir_entry_struct* dir_entry);
uint32_t fat16_get_fs_size(const struct fat16_fs_struct* fs);
uint32_t fat16_get_fs_free(const struct fat16_fs_struct* fs);
/**
* @}
*/
#endif

/Designs/Data_loggers/GPSRL02A/SW/logger/fat16_config.h
0,0 → 1,84
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either the GNU General Public License version 2
* or the GNU Lesser General Public License version 2.1, both as
* published by the Free Software Foundation.
*/
#ifndef FAT16_CONFIG_H
#define FAT16_CONFIG_G
/**
* \addtogroup fat16
*
* @{
*/
/**
* \file
* FAT16 configuration (license: GPLv2 or LGPLv2.1)
*/
/**
* \ingroup fat16_config
* Controls FAT16 write support.
*
* Set to 1 to enable FAT16 write support, set to 0 to disable it.
*/
#define FAT16_WRITE_SUPPORT 1
/**
* \ingroup fat16_config
* Controls FAT16 date and time support.
*
* Set to 1 to enable FAT16 date and time stamping support.
*/
#define FAT16_DATETIME_SUPPORT 0
/**
* \ingroup fat16_config
* Determines the function used for retrieving current date and time.
*
* Define this to the function call which shall be used to retrieve
* current date and time.
*
* \note Used only when FAT16_DATETIME_SUPPORT is 1.
*
* \param[out] year Pointer to a \c uint16_t which receives the current year.
* \param[out] month Pointer to a \c uint8_t which receives the current month.
* \param[out] day Pointer to a \c uint8_t which receives the current day.
* \param[out] hour Pointer to a \c uint8_t which receives the current hour.
* \param[out] min Pointer to a \c uint8_t which receives the current minute.
* \param[out] sec Pointer to a \c uint8_t which receives the current sec.
*/
#define fat16_get_datetime(year, month, day, hour, min, sec) \
get_datetime(year, month, day, hour, min, sec)
/* forward declaration for the above */
void get_datetime(uint16_t* year, uint8_t* month, uint8_t* day, uint8_t* hour, uint8_t* min, uint8_t* sec);
/**
* \ingroup fat16_config
* Maximum number of filesystem handles.
*/
#define FAT16_FS_COUNT 1
/**
* \ingroup fat16_config
* Maximum number of file handles.
*/
#define FAT16_FILE_COUNT 1
/**
* \ingroup fat16_config
* Maximum number of directory handles.
*/
#define FAT16_DIR_COUNT 2
/**
* @}
*/
#endif

/Designs/Data_loggers/GPSRL02A/SW/logger/main.c
0,0 → 1,475
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <string.h>
#include <avr/pgmspace.h>
#include <avr/sleep.h>
#include "fat16.h"
#include "fat16_config.h"
#include "partition.h"
#include "sd_raw.h"
#include "sd_raw_config.h"
#include "uart.h"
#define DEBUG 1
static uint8_t read_line(char* buffer, uint8_t buffer_length);
static uint32_t strtolong(const char* str);
static uint8_t find_file_in_dir(struct fat16_fs_struct* fs, struct fat16_dir_struct* dd, const char* name, struct fat16_dir_entry_struct* dir_entry);
static struct fat16_file_struct* open_file_in_dir(struct fat16_fs_struct* fs, struct fat16_dir_struct* dd, const char* name);
static uint8_t print_disk_info(const struct fat16_fs_struct* fs);
int main()
{
/* we will just use ordinary idle mode */
set_sleep_mode(SLEEP_MODE_IDLE);
/* setup uart */
uart_init();
/* setup sd card slot */
if(!sd_raw_init())
{
#if DEBUG
uart_puts_p(PSTR("MMC/SD initialization failed\n"));
#endif
return 1;
}
/* open first partition */
struct partition_struct* partition = partition_open(sd_raw_read,
sd_raw_read_interval,
sd_raw_write,
sd_raw_write_interval,
0
);
if(!partition)
{
/* If the partition did not open, assume the storage device
* is a "superfloppy", i.e. has no MBR.
*/
partition = partition_open(sd_raw_read,
sd_raw_read_interval,
sd_raw_write,
sd_raw_write_interval,
-1
);
if(!partition)
{
#if DEBUG
uart_puts_p(PSTR("opening partition failed\n"));
#endif
return 1;
}
}
/* open file system */
struct fat16_fs_struct* fs = fat16_open(partition);
if(!fs)
{
#if DEBUG
uart_puts_p(PSTR("opening filesystem failed\n"));
#endif
return 1;
}
/* open root directory */
struct fat16_dir_entry_struct directory;
fat16_get_dir_entry_of_path(fs, "/", &directory);
struct fat16_dir_struct* dd = fat16_open_dir(fs, &directory);
if(!dd)
{
#if DEBUG
uart_puts_p(PSTR("opening root directory failed\n"));
#endif
return 1;
}
/* print some card information as a boot message */
print_disk_info(fs);
/* provide a simple shell */
char buffer[20];
char* command = buffer;
//!!!KAKL
{
uint8_t n;
while(uart_getc()!='$');
while(uart_getc()!=',');
for(n=0; n<6; n++)
{
buffer[n]=uart_getc();
};
buffer[6]='\0';
}
{
struct fat16_dir_entry_struct file_entry;
fat16_create_file(dd, command, &file_entry);
}
{
int32_t offset;
offset = 0;
while(1)
{
uint8_t znak;
struct fat16_file_struct* fd = open_file_in_dir(fs, dd, command);
fat16_seek_file(fd, &offset, FAT16_SEEK_SET);
do
{
znak=uart_getc();
fat16_write_file(fd, (uint8_t*) &znak, 1);
uart_putc(znak);
offset++;
} while ((znak!='\n')&&(znak!='@'));
fat16_close_file(fd);
if(znak=='@') break;
}
}
while(1)
{
/* print prompt */
uart_putc('>');
uart_putc(' ');
/* read command */
if(read_line(command, sizeof(buffer)) < 1)
continue;
/* execute command */
if(strncmp_P(command, PSTR("cd "), 3) == 0)
{
command += 3;
if(command[0] == '\0')
continue;
/* change directory */
struct fat16_dir_entry_struct subdir_entry;
if(find_file_in_dir(fs, dd, command, &subdir_entry))
{
struct fat16_dir_struct* dd_new = fat16_open_dir(fs, &subdir_entry);
if(dd_new)
{
fat16_close_dir(dd);
dd = dd_new;
continue;
}
}
uart_puts_p(PSTR("directory not found: "));
uart_puts(command);
uart_putc('\n');
}
else if(strcmp_P(command, PSTR("ls")) == 0)
{
/* print directory listing */
struct fat16_dir_entry_struct dir_entry;
while(fat16_read_dir(dd, &dir_entry))
{
uint8_t spaces = sizeof(dir_entry.long_name) - strlen(dir_entry.long_name) + 4;
uart_puts(dir_entry.long_name);
uart_putc(dir_entry.attributes & FAT16_ATTRIB_DIR ? '/' : ' ');
while(spaces--)
uart_putc(' ');
uart_putdw_dec(dir_entry.file_size);
uart_putc('\n');
}
}
else if(strncmp_P(command, PSTR("cat "), 4) == 0)
{
command += 4;
if(command[0] == '\0')
continue;
/* search file in current directory and open it */
struct fat16_file_struct* fd = open_file_in_dir(fs, dd, command);
if(!fd)
{
uart_puts_p(PSTR("error opening "));
uart_puts(command);
uart_putc('\n');
continue;
}
/* print file contents */
uint8_t buffer[8];
uint32_t offset = 0;
while(fat16_read_file(fd, buffer, sizeof(buffer)) > 0)
{
uart_putdw_hex(offset);
uart_putc(':');
for(uint8_t i = 0; i < 8; ++i)
{
uart_putc(' ');
uart_putc_hex(buffer[i]);
}
uart_putc('\n');
offset += 8;
}
fat16_close_file(fd);
}
else if(strcmp_P(command, PSTR("disk")) == 0)
{
if(!print_disk_info(fs))
uart_puts_p(PSTR("error reading disk info\n"));
}
#if FAT16_WRITE_SUPPORT
else if(strncmp_P(command, PSTR("rm "), 3) == 0)
{
command += 3;
if(command[0] == '\0')
continue;
struct fat16_dir_entry_struct file_entry;
if(find_file_in_dir(fs, dd, command, &file_entry))
{
if(fat16_delete_file(fs, &file_entry))
continue;
}
uart_puts_p(PSTR("error deleting file: "));
uart_puts(command);
uart_putc('\n');
}
else if(strncmp_P(command, PSTR("touch "), 6) == 0)
{
command += 6;
if(command[0] == '\0')
continue;
struct fat16_dir_entry_struct file_entry;
if(!fat16_create_file(dd, command, &file_entry))
{
uart_puts_p(PSTR("error creating file: "));
uart_puts(command);
uart_putc('\n');
}
}
else if(strncmp_P(command, PSTR("write "), 6) == 0)
{
command += 6;
if(command[0] == '\0')
continue;
char* offset_value = command;
while(*offset_value != ' ' && *offset_value != '\0')
++offset_value;
if(*offset_value == ' ')
*offset_value++ = '\0';
else
continue;
/* search file in current directory and open it */
struct fat16_file_struct* fd = open_file_in_dir(fs, dd, command);
if(!fd)
{
uart_puts_p(PSTR("error opening "));
uart_puts(command);
uart_putc('\n');
continue;
}
int32_t offset = strtolong(offset_value);
if(!fat16_seek_file(fd, &offset, FAT16_SEEK_SET))
{
uart_puts_p(PSTR("error seeking on "));
uart_puts(command);
uart_putc('\n');
fat16_close_file(fd);
continue;
}
/* read text from the shell and write it to the file */
uint8_t data_len;
while(1)
{
/* give a different prompt */
uart_putc('<');
uart_putc(' ');
/* read one line of text */
data_len = read_line(buffer, sizeof(buffer));
if(!data_len)
break;
/* write text to file */
if(fat16_write_file(fd, (uint8_t*) buffer, data_len) != data_len)
{
uart_puts_p(PSTR("error writing to file\n"));
break;
}
}
fat16_close_file(fd);
}
else if(strncmp_P(command, PSTR("mkdir "), 6) == 0)
{
command += 6;
if(command[0] == '\0')
continue;
struct fat16_dir_entry_struct dir_entry;
if(!fat16_create_dir(dd, command, &dir_entry))
{
uart_puts_p(PSTR("error creating directory: "));
uart_puts(command);
uart_putc('\n');
}
}
#endif
#if SD_RAW_WRITE_BUFFERING
else if(strcmp_P(command, PSTR("sync")) == 0)
{
if(!sd_raw_sync())
uart_puts_p(PSTR("error syncing disk\n"));
}
#endif
else
{
uart_puts_p(PSTR("unknown command: "));
uart_puts(command);
uart_putc('\n');
}
}
/* close file system */
fat16_close(fs);
/* close partition */
partition_close(partition);
return 0;
}
uint8_t read_line(char* buffer, uint8_t buffer_length)
{
memset(buffer, 0, buffer_length);
uint8_t read_length = 0;
while(read_length < buffer_length - 1)
{
uint8_t c = uart_getc();
if(c == 0x08 || c == 0x7f)
{
if(read_length < 1)
continue;
--read_length;
buffer[read_length] = '\0';
uart_putc(0x08);
uart_putc(' ');
uart_putc(0x08);
continue;
}
uart_putc(c);
if(c == '\n')
{
buffer[read_length] = '\0';
break;
}
else
{
buffer[read_length] = c;
++read_length;
}
}
return read_length;
}
uint32_t strtolong(const char* str)
{
uint32_t l = 0;
while(*str >= '0' && *str <= '9')
l = l * 10 + (*str++ - '0');
return l;
}
uint8_t find_file_in_dir(struct fat16_fs_struct* fs, struct fat16_dir_struct* dd, const char* name, struct fat16_dir_entry_struct* dir_entry)
{
while(fat16_read_dir(dd, dir_entry))
{
if(strcmp(dir_entry->long_name, name) == 0)
{
fat16_reset_dir(dd);
return 1;
}
}
return 0;
}
struct fat16_file_struct* open_file_in_dir(struct fat16_fs_struct* fs, struct fat16_dir_struct* dd, const char* name)
{
struct fat16_dir_entry_struct file_entry;
if(!find_file_in_dir(fs, dd, name, &file_entry))
return 0;
return fat16_open_file(fs, &file_entry);
}
uint8_t print_disk_info(const struct fat16_fs_struct* fs)
{
if(!fs)
return 0;
struct sd_raw_info disk_info;
if(!sd_raw_get_info(&disk_info))
return 0;
uart_puts_p(PSTR("manuf: 0x")); uart_putc_hex(disk_info.manufacturer); uart_putc('\n');
uart_puts_p(PSTR("oem: ")); uart_puts((char*) disk_info.oem); uart_putc('\n');
uart_puts_p(PSTR("prod: ")); uart_puts((char*) disk_info.product); uart_putc('\n');
uart_puts_p(PSTR("rev: ")); uart_putc_hex(disk_info.revision); uart_putc('\n');
uart_puts_p(PSTR("serial: 0x")); uart_putdw_hex(disk_info.serial); uart_putc('\n');
uart_puts_p(PSTR("date: ")); uart_putw_dec(disk_info.manufacturing_month); uart_putc('/');
uart_putw_dec(disk_info.manufacturing_year); uart_putc('\n');
uart_puts_p(PSTR("size: ")); uart_putdw_dec(disk_info.capacity); uart_putc('\n');
uart_puts_p(PSTR("copy: ")); uart_putw_dec(disk_info.flag_copy); uart_putc('\n');
uart_puts_p(PSTR("wr.pr.: ")); uart_putw_dec(disk_info.flag_write_protect_temp); uart_putc('/');
uart_putw_dec(disk_info.flag_write_protect); uart_putc('\n');
uart_puts_p(PSTR("format: ")); uart_putw_dec(disk_info.format); uart_putc('\n');
uart_puts_p(PSTR("free: ")); uart_putdw_dec(fat16_get_fs_free(fs)); uart_putc('/');
uart_putdw_dec(fat16_get_fs_size(fs)); uart_putc('\n');
return 1;
}
void get_datetime(uint16_t* year, uint8_t* month, uint8_t* day, uint8_t* hour, uint8_t* min, uint8_t* sec)
{
*year = 2007;
*month = 1;
*day = 1;
*hour = 0;
*min = 0;
*sec = 0;
}

/Designs/Data_loggers/GPSRL02A/SW/logger/partition.c
0,0 → 1,159
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either the GNU General Public License version 2
* or the GNU Lesser General Public License version 2.1, both as
* published by the Free Software Foundation.
*/
#include "partition.h"
#include "partition_config.h"
#include "sd-reader_config.h"
#include <string.h>
#if USE_DYNAMIC_MEMORY
#include <stdlib.h>
#endif
/**
* \addtogroup partition Partition table support
*
* Support for reading partition tables and access to partitions.
*
* @{
*/
/**
* \file
* Partition table implementation (license: GPLv2 or LGPLv2.1)
*
* \author Roland Riegel
*/
/**
* \addtogroup partition_config Configuration of partition table support
* Preprocessor defines to configure the partition support.
*/
#if !USE_DYNAMIC_MEMORY
static struct partition_struct partition_handles[PARTITION_COUNT];
#endif
/**
* Opens a partition.
*
* Opens a partition by its index number and returns a partition
* handle which describes the opened partition.
*
* \note This function does not support extended partitions.
*
* \param[in] device_read A function pointer which is used to read from the disk.
* \param[in] device_read_interval A function pointer which is used to read in constant intervals from the disk.
* \param[in] device_write A function pointer which is used to write to the disk.
* \param[in] device_write_interval A function pointer which is used to write a data stream to disk.
* \param[in] index The index of the partition which should be opened, range 0 to 3.
* A negative value is allowed as well. In this case, the partition opened is
* not checked for existance, begins at offset zero, has a length of zero
* and is of an unknown type.
* \returns 0 on failure, a partition descriptor on success.
* \see partition_close
*/
struct partition_struct* partition_open(device_read_t device_read, device_read_interval_t device_read_interval, device_write_t device_write, device_write_interval_t device_write_interval, int8_t index)
{
struct partition_struct* new_partition = 0;
uint8_t buffer[0x10];
if(!device_read || !device_read_interval || index >= 4)
return 0;
if(index >= 0)
{
/* read specified partition table index */
if(!device_read(0x01be + index * 0x10, buffer, sizeof(buffer)))
return 0;
/* abort on empty partition entry */
if(buffer[4] == 0x00)
return 0;
}
/* allocate partition descriptor */
#if USE_DYNAMIC_MEMORY
new_partition = malloc(sizeof(*new_partition));
if(!new_partition)
return 0;
#else
new_partition = partition_handles;
uint8_t i;
for(i = 0; i < PARTITION_COUNT; ++i)
{
if(new_partition->type == PARTITION_TYPE_FREE)
break;
++new_partition;
}
if(i >= PARTITION_COUNT)
return 0;
#endif
memset(new_partition, 0, sizeof(*new_partition));
/* fill partition descriptor */
new_partition->device_read = device_read;
new_partition->device_read_interval = device_read_interval;
new_partition->device_write = device_write;
new_partition->device_write_interval = device_write_interval;
if(index >= 0)
{
new_partition->type = buffer[4];
new_partition->offset = ((uint32_t) buffer[8]) |
((uint32_t) buffer[9] << 8) |
((uint32_t) buffer[10] << 16) |
((uint32_t) buffer[11] << 24);
new_partition->length = ((uint32_t) buffer[12]) |
((uint32_t) buffer[13] << 8) |
((uint32_t) buffer[14] << 16) |
((uint32_t) buffer[15] << 24);
}
else
{
new_partition->type = 0xff;
}
return new_partition;
}
/**
* Closes a partition.
*
* This function destroys a partition descriptor which was
* previously obtained from a call to partition_open().
* When this function returns, the given descriptor will be
* invalid.
*
* \param[in] partition The partition descriptor to destroy.
* \returns 0 on failure, 1 on success.
* \see partition_open
*/
uint8_t partition_close(struct partition_struct* partition)
{
if(!partition)
return 0;
/* destroy partition descriptor */
#if USE_DYNAMIC_MEMORY
free(partition);
#else
partition->type = PARTITION_TYPE_FREE;
#endif
return 1;
}
/**
* @}
*/

/Designs/Data_loggers/GPSRL02A/SW/logger/partition.h
0,0 → 1,201
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either the GNU General Public License version 2
* or the GNU Lesser General Public License version 2.1, both as
* published by the Free Software Foundation.
*/
#ifndef PARTITION_H
#define PARTITION_H
#include <stdint.h>
/**
* \addtogroup partition
*
* @{
*/
/**
* \file
* Partition table header (license: GPLv2 or LGPLv2.1)
*
* \author Roland Riegel
*/
/**
* The partition table entry is not used.
*/
#define PARTITION_TYPE_FREE 0x00
/**
* The partition contains a FAT12 filesystem.
*/
#define PARTITION_TYPE_FAT12 0x01
/**
* The partition contains a FAT16 filesystem with 32MB maximum.
*/
#define PARTITION_TYPE_FAT16_32MB 0x04
/**
* The partition is an extended partition with its own partition table.
*/
#define PARTITION_TYPE_EXTENDED 0x05
/**
* The partition contains a FAT16 filesystem.
*/
#define PARTITION_TYPE_FAT16 0x06
/**
* The partition contains a FAT32 filesystem.
*/
#define PARTITION_TYPE_FAT32 0x0b
/**
* The partition contains a FAT32 filesystem with LBA.
*/
#define PARTITION_TYPE_FAT32_LBA 0x0c
/**
* The partition contains a FAT16 filesystem with LBA.
*/
#define PARTITION_TYPE_FAT16_LBA 0x0e
/**
* The partition is an extended partition with LBA.
*/
#define PARTITION_TYPE_EXTENDED_LBA 0x0f
/**
* The partition has an unknown type.
*/
#define PARTITION_TYPE_UNKNOWN 0xff
/**
* A function pointer used to read from the partition.
*
* \param[in] offset The offset on the device where to start reading.
* \param[out] buffer The buffer into which to place the data.
* \param[in] length The count of bytes to read.
*/
typedef uint8_t (*device_read_t)(uint32_t offset, uint8_t* buffer, uint16_t length);
/**
* A function pointer passed to a \c device_read_interval_t.
*
* \param[in] buffer The buffer which contains the data just read.
* \param[in] offset The offset from which the data in \c buffer was read.
* \param[in] p An opaque pointer.
* \see device_read_interval_t
*/
typedef uint8_t (*device_read_callback_t)(uint8_t* buffer, uint32_t offset, void* p);
/**
* A function pointer used to continuously read units of \c interval bytes
* and call a callback function.
*
* This function starts reading at the specified offset. Every \c interval bytes,
* it calls the callback function with the associated data buffer.
*
* By returning zero, the callback may stop reading.
*
* \param[in] offset Offset from which to start reading.
* \param[in] buffer Pointer to a buffer which is at least interval bytes in size.
* \param[in] interval Number of bytes to read before calling the callback function.
* \param[in] length Number of bytes to read altogether.
* \param[in] callback The function to call every interval bytes.
* \param[in] p An opaque pointer directly passed to the callback function.
* \returns 0 on failure, 1 on success
* \see device_read_t
*/
typedef uint8_t (*device_read_interval_t)(uint32_t offset, uint8_t* buffer, uint16_t interval, uint16_t length, device_read_callback_t callback, void* p);
/**
* A function pointer used to write to the partition.
*
* \param[in] offset The offset on the device where to start writing.
* \param[in] buffer The buffer which to write.
* \param[in] length The count of bytes to write.
*/
typedef uint8_t (*device_write_t)(uint32_t offset, const uint8_t* buffer, uint16_t length);
/**
* A function pointer passed to a \c device_write_interval_t.
*
* \param[in] buffer The buffer which receives the data to write.
* \param[in] offset The offset to which the data in \c buffer will be written.
* \param[in] p An opaque pointer.
* \returns The number of bytes put into \c buffer
* \see device_write_interval_t
*/
typedef uint16_t (*device_write_callback_t)(uint8_t* buffer, uint32_t offset, void* p);
/**
* A function pointer used to continuously write a data stream obtained from
* a callback function.
*
* This function starts writing at the specified offset. To obtain the
* next bytes to write, it calls the callback function. The callback fills the
* provided data buffer and returns the number of bytes it has put into the buffer.
*
* By returning zero, the callback may stop writing.
*
* \param[in] offset Offset where to start writing.
* \param[in] buffer Pointer to a buffer which is used for the callback function.
* \param[in] length Number of bytes to write in total. May be zero for endless writes.
* \param[in] callback The function used to obtain the bytes to write.
* \param[in] p An opaque pointer directly passed to the callback function.
* \returns 0 on failure, 1 on success
* \see device_write_t
*/
typedef uint8_t (*device_write_interval_t)(uint32_t offset, uint8_t* buffer, uint16_t length, device_write_callback_t callback, void* p);
/**
* Describes a partition.
*/
struct partition_struct
{
/**
* The function which reads data from the partition.
*
* \note The offset given to this function is relative to the whole disk,
* not to the start of the partition.
*/
device_read_t device_read;
/**
* The function which repeatedly reads a constant amount of data from the partition.
*
* \note The offset given to this function is relative to the whole disk,
* not to the start of the partition.
*/
device_read_interval_t device_read_interval;
/**
* The function which writes data to the partition.
*
* \note The offset given to this function is relative to the whole disk,
* not to the start of the partition.
*/
device_write_t device_write;
/**
* The function which repeatedly writes data to the partition.
*
* \note The offset given to this function is relative to the whole disk,
* not to the start of the partition.
*/
device_write_interval_t device_write_interval;
/**
* The type of the partition.
*
* Compare this value to the PARTITION_TYPE_* constants.
*/
uint8_t type;
/**
* The offset in bytes on the disk where this partition starts.
*/
uint32_t offset;
/**
* The length in bytes of this partition.
*/
uint32_t length;
};
struct partition_struct* partition_open(device_read_t device_read, device_read_interval_t device_read_interval, device_write_t device_write, device_write_interval_t device_write_interval, int8_t index);
uint8_t partition_close(struct partition_struct* partition);
/**
* @}
*/
#endif

/Designs/Data_loggers/GPSRL02A/SW/logger/partition_config.h
0,0 → 1,35
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either the GNU General Public License version 2
* or the GNU Lesser General Public License version 2.1, both as
* published by the Free Software Foundation.
*/
#ifndef PARTITION_CONFIG_H
#define PARTITION_CONFIG_G
/**
* \addtogroup partition
*
* @{
*/
/**
* \file
* Partition configuration (license: GPLv2 or LGPLv2.1)
*/
/**
* \ingroup partition_config
* Maximum number of partition handles.
*/
#define PARTITION_COUNT 1
/**
* @}
*/
#endif

/Designs/Data_loggers/GPSRL02A/SW/logger/sd-reader.hex
0,0 → 1,899
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/Designs/Data_loggers/GPSRL02A/SW/logger/sd-reader.map
0,0 → 1,525
Archive member included because of file (symbol)
/usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_mulsi3.o)
fat16.o (__mulsi3)
/usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_udivmodhi4.o)
fat16.o (__udivmodhi4)
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fat16.o (__divmodhi4)
/usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_udivmodsi4.o)
fat16.o (__udivmodsi4)
/usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_exit.o)
/usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/crtm168.o (exit)
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fat16.o (__do_copy_data)
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fat16.o (__do_clear_bss)
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main.o (strcmp_P)
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main.o (strncmp_P)
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fat16.o (memcpy)
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fat16.o (memset)
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fat16.o (strchr)
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fat16.o (strcmp)
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fat16.o (strncmp)
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fat16.o (strncpy)
/usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strrchr.o)
fat16.o (strrchr)
Memory Configuration
Name Origin Length Attributes
text 0x00000000 0x00020000 xr
data 0x00800060 0x0000ffa0 rw !x
eeprom 0x00810000 0x00010000 rw !x
fuse 0x00820000 0x00000400 rw !x
lock 0x00830000 0x00000400 rw !x
signature 0x00840000 0x00000400 rw !x
*default* 0x00000000 0xffffffff
Linker script and memory map
Address of section .data set to 0x800100
LOAD /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/crtm168.o
LOAD fat16.o
LOAD main.o
LOAD partition.o
LOAD sd_raw.o
LOAD uart.o
LOAD /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a
LOAD /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a
LOAD /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a
.hash
*(.hash)
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.gnu.version
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.gnu.version_r
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*(.rela.init)
.rel.text
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.rela.text
*(.rela.text)
*(.rela.text.*)
*(.rela.gnu.linkonce.t*)
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.rela.fini
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*(.rela.rodata)
*(.rela.rodata.*)
*(.rela.gnu.linkonce.r*)
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*(.rel.ctors)
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*(.rela.ctors)
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*(.rel.dtors)
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*(.rel.got)
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*(.rela.got)
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*(.rel.bss)
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*(.rela.bss)
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*(.rel.plt)
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*(.rela.plt)
.text 0x00000000 0x3802
*(.vectors)
.vectors 0x00000000 0x68 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/crtm168.o
0x00000000 __vectors
0x00000000 __vector_default
*(.vectors)
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*(.progmem*)
.progmem.data 0x00000068 0x1d2 main.o
0x0000023a . = ALIGN (0x2)
0x0000023a __trampolines_start = .
*(.trampolines)
.trampolines 0x0000023a 0x0 linker stubs
*(.trampolines*)
0x0000023a __trampolines_end = .
*(.jumptables)
*(.jumptables*)
*(.lowtext)
*(.lowtext*)
0x0000023a __ctors_start = .
*(.ctors)
0x0000023a __ctors_end = .
0x0000023a __dtors_start = .
*(.dtors)
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SORT(*)(.ctors)
SORT(*)(.dtors)
*(.init0)
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0x0000023a __init
*(.init0)
*(.init1)
*(.init1)
*(.init2)
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*(.init2)
*(.init3)
*(.init3)
*(.init4)
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0x00000246 __do_copy_data
.init4 0x0000025c 0x10 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_clear_bss.o)
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*(.init4)
*(.init5)
*(.init5)
*(.init6)
*(.init6)
*(.init7)
*(.init7)
*(.init8)
*(.init8)
*(.init9)
.init9 0x0000026c 0x8 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/crtm168.o
*(.init9)
*(.text)
.text 0x00000274 0x4 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/crtm168.o
0x00000274 __vector_22
0x00000274 __vector_1
0x00000274 __vector_24
0x00000274 __vector_12
0x00000274 __bad_interrupt
0x00000274 __vector_6
0x00000274 __vector_3
0x00000274 __vector_23
0x00000274 __vector_25
0x00000274 __vector_11
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0x00000274 __vector_15
0x00000274 __vector_8
0x00000274 __vector_14
0x00000274 __vector_10
0x00000274 __vector_16
0x00000274 __vector_20
.text 0x00000278 0x2016 fat16.o
0x00001898 fat16_resize_file
0x00000278 fat16_close
0x00000b24 fat16_reset_dir
0x00000b3a fat16_delete_file
0x00000c74 fat16_get_fs_free
0x00000c3a fat16_get_file_modification_date
0x00000de4 fat16_read_dir
0x00000c3c fat16_get_file_modification_time
0x00001ae0 fat16_seek_file
0x00000c3e fat16_get_fs_size
0x00000892 fat16_close_file
0x00001eea fat16_open_file
0x0000089e fat16_read_file
0x00001048 fat16_open
0x00001f52 fat16_create_file
0x00002126 fat16_create_dir
0x0000200a fat16_get_dir_entry_of_path
0x00001b9c fat16_write_file
0x00001e8a fat16_open_dir
0x00000b18 fat16_close_dir
.text 0x0000228e 0x7d8 main.o
0x0000228e get_datetime
0x0000256a main
.text 0x00002a66 0x1c4 partition.o
0x00002a66 partition_close
0x00002a7a partition_open
.text 0x00002c2a 0x7ec sd_raw.o
0x00002c2a sd_raw_available
0x00002f80 sd_raw_write_interval
0x00002cec sd_raw_read
0x00003120 sd_raw_init
0x00003034 sd_raw_read_interval
0x00003206 sd_raw_get_info
0x00002ce6 sd_raw_sync
0x00002c3c sd_raw_locked
0x00002e1a sd_raw_write
.text 0x00003416 0x254 uart.o
0x00003544 uart_putdw_dec
0x0000344c uart_putc_hex
0x00003606 uart_puts
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0x0000342e uart_putc
0x00003668 __vector_18
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.text 0x0000366a 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_mulsi3.o)
.text 0x0000366a 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_udivmodhi4.o)
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.text 0x0000366a 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_exit.o)
.text 0x0000366a 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_copy_data.o)
.text 0x0000366a 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_clear_bss.o)
.text 0x0000366a 0x12 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strcmp_P.o)
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.text 0x0000367c 0x1c /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncmp_P.o)
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.text 0x00003698 0x12 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(memcpy.o)
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.text 0x000036aa 0xe /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(memset.o)
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.text 0x000036b8 0x16 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strchr.o)
0x000036b8 strchr
.text 0x000036ce 0x12 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strcmp.o)
0x000036ce strcmp
.text 0x000036e0 0x1c /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncmp.o)
0x000036e0 strncmp
.text 0x000036fc 0x1e /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncpy.o)
0x000036fc strncpy
.text 0x0000371a 0x16 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strrchr.o)
0x0000371a strrchr
0x00003730 . = ALIGN (0x2)
*(.text.*)
.text.libgcc 0x00003730 0x3e /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_mulsi3.o)
0x00003730 __mulsi3
.text.libgcc 0x0000376e 0x28 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_udivmodhi4.o)
0x0000376e __udivmodhi4
.text.libgcc 0x00003796 0x26 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_divmodhi4.o)
0x00003796 __divmodhi4
0x00003796 _div
.text.libgcc 0x000037bc 0x44 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_udivmodsi4.o)
0x000037bc __udivmodsi4
.text.libgcc 0x00003800 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_exit.o)
.text.libgcc 0x00003800 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_copy_data.o)
.text.libgcc 0x00003800 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_clear_bss.o)
0x00003800 . = ALIGN (0x2)
*(.fini9)
.fini9 0x00003800 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_exit.o)
0x00003800 exit
0x00003800 _exit
*(.fini9)
*(.fini8)
*(.fini8)
*(.fini7)
*(.fini7)
*(.fini6)
*(.fini6)
*(.fini5)
*(.fini5)
*(.fini4)
*(.fini4)
*(.fini3)
*(.fini3)
*(.fini2)
*(.fini2)
*(.fini1)
*(.fini1)
*(.fini0)
.fini0 0x00003800 0x2 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_exit.o)
*(.fini0)
0x00003802 _etext = .
.data 0x00800100 0x2 load address 0x00003802
0x00800100 PROVIDE (__data_start, .)
*(.data)
.data 0x00800100 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/crtm168.o
.data 0x00800100 0x0 fat16.o
.data 0x00800100 0x2 main.o
.data 0x00800102 0x0 partition.o
.data 0x00800102 0x0 sd_raw.o
.data 0x00800102 0x0 uart.o
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_mulsi3.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_udivmodhi4.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_divmodhi4.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_udivmodsi4.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_exit.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_copy_data.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_clear_bss.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strcmp_P.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncmp_P.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(memcpy.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(memset.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strchr.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strcmp.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncmp.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncpy.o)
.data 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strrchr.o)
*(.data*)
*(.rodata)
*(.rodata*)
*(.gnu.linkonce.d*)
0x00800102 . = ALIGN (0x2)
0x00800102 _edata = .
0x00800102 PROVIDE (__data_end, .)
.bss 0x00800102 0x2c0 load address 0x00003804
0x00800102 PROVIDE (__bss_start, .)
*(.bss)
.bss 0x00800102 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/crtm168.o
.bss 0x00800102 0xab fat16.o
.bss 0x008001ad 0x0 main.o
.bss 0x008001ad 0x11 partition.o
.bss 0x008001be 0x204 sd_raw.o
.bss 0x008003c2 0x0 uart.o
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_mulsi3.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_udivmodhi4.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_divmodhi4.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_udivmodsi4.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_exit.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_copy_data.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/avr5/libgcc.a(_clear_bss.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strcmp_P.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncmp_P.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(memcpy.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(memset.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strchr.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strcmp.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncmp.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncpy.o)
.bss 0x008003c2 0x0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strrchr.o)
*(.bss*)
*(COMMON)
0x008003c2 PROVIDE (__bss_end, .)
0x00003802 __data_load_start = LOADADDR (.data)
0x00003804 __data_load_end = (__data_load_start + SIZEOF (.data))
.noinit 0x008003c2 0x0
0x008003c2 PROVIDE (__noinit_start, .)
*(.noinit*)
0x008003c2 PROVIDE (__noinit_end, .)
0x008003c2 _end = .
0x008003c2 PROVIDE (__heap_start, .)
.eeprom 0x00810000 0x0
*(.eeprom*)
0x00810000 __eeprom_end = .
.fuse
*(.fuse)
*(.lfuse)
*(.hfuse)
*(.efuse)
.lock
*(.lock*)
.signature
*(.signature*)
.stab 0x00000000 0x6228
*(.stab)
.stab 0x00000000 0x378 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/crtm168.o
.stab 0x00000378 0x2e14 fat16.o
0x2e20 (size before relaxing)
.stab 0x0000318c 0x1158 main.o
0x135c (size before relaxing)
.stab 0x000042e4 0x300 partition.o
0x4ec (size before relaxing)
.stab 0x000045e4 0xf24 sd_raw.o
0x10d4 (size before relaxing)
.stab 0x00005508 0x7a4 uart.o
0x9d8 (size before relaxing)
.stab 0x00005cac 0x84 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strcmp_P.o)
0x90 (size before relaxing)
.stab 0x00005d30 0xc0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncmp_P.o)
0xcc (size before relaxing)
.stab 0x00005df0 0x84 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(memcpy.o)
0x90 (size before relaxing)
.stab 0x00005e74 0x6c /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(memset.o)
0x78 (size before relaxing)
.stab 0x00005ee0 0x9c /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strchr.o)
0xa8 (size before relaxing)
.stab 0x00005f7c 0x84 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strcmp.o)
0x90 (size before relaxing)
.stab 0x00006000 0xc0 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncmp.o)
0xcc (size before relaxing)
.stab 0x000060c0 0xcc /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strncpy.o)
0xd8 (size before relaxing)
.stab 0x0000618c 0x9c /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/libc.a(strrchr.o)
0xa8 (size before relaxing)
.stabstr 0x00000000 0x2db7
*(.stabstr)
.stabstr 0x00000000 0x2db7 /usr/lib/gcc/avr/4.2.2/../../../../avr/lib/avr5/crtm168.o
.stab.excl
*(.stab.excl)
.stab.exclstr
*(.stab.exclstr)
.stab.index
*(.stab.index)
.stab.indexstr
*(.stab.indexstr)
.comment
*(.comment)
.debug
*(.debug)
.line
*(.line)
.debug_srcinfo
*(.debug_srcinfo)
.debug_sfnames
*(.debug_sfnames)
.debug_aranges
*(.debug_aranges)
.debug_pubnames
*(.debug_pubnames)
.debug_info
*(.debug_info)
*(.gnu.linkonce.wi.*)
.debug_abbrev
*(.debug_abbrev)
.debug_line
*(.debug_line)
.debug_frame
*(.debug_frame)
.debug_str
*(.debug_str)
.debug_loc
*(.debug_loc)
.debug_macinfo
*(.debug_macinfo)
OUTPUT(sd-reader.out elf32-avr)
LOAD linker stubs

/Designs/Data_loggers/GPSRL02A/SW/logger/sd-reader.out
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream
Property changes:
Added: svn:executable
+*
\ No newline at end of property
Added: svn:mime-type
+application/octet-stream
\ No newline at end of property

/Designs/Data_loggers/GPSRL02A/SW/logger/sd-reader_config.h
0,0 → 1,44
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either the GNU General Public License version 2
* or the GNU Lesser General Public License version 2.1, both as
* published by the Free Software Foundation.
*/
#ifndef SD_READER_CONFIG_H
#define SD_READER_CONFIG_H
/**
* \addtogroup config Sd-reader configuration
*
* @{
*/
/**
* \file
* Common sd-reader configuration used by all modules (license: GPLv2 or LGPLv2.1)
*
* \note This file contains only configuration items relevant to
* all sd-reader implementation files. For module specific configuration
* options, please see the files fat16_config.h, partition_config.h
* and sd_raw_config.h.
*/
/**
* Controls allocation of memory.
*
* Set to 1 to use malloc()/free() for allocation of structures
* like file and directory handles, set to 0 to use pre-allocated
* fixed-size handle arrays.
*/
#define USE_DYNAMIC_MEMORY 0
/**
* @}
*/
#endif

/Designs/Data_loggers/GPSRL02A/SW/logger/sd_raw.c
0,0 → 1,912
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either the GNU General Public License version 2
* or the GNU Lesser General Public License version 2.1, both as
* published by the Free Software Foundation.
*/
#include <string.h>
#include <avr/io.h>
#include "sd_raw.h"
/**
* \addtogroup sd_raw MMC/SD card raw access
*
* This module implements read and write access to MMC and
* SD cards. It serves as a low-level driver for the higher
* level modules such as partition and file system access.
*
* @{
*/
/**
* \file
* MMC/SD raw access implementation (license: GPLv2 or LGPLv2.1)
*
* \author Roland Riegel
*/
/**
* \addtogroup sd_raw_config MMC/SD configuration
* Preprocessor defines to configure the MMC/SD support.
*/
/**
* @}
*/
/* commands available in SPI mode */
/* CMD0: response R1 */
#define CMD_GO_IDLE_STATE 0x00
/* CMD1: response R1 */
#define CMD_SEND_OP_COND 0x01
/* CMD9: response R1 */
#define CMD_SEND_CSD 0x09
/* CMD10: response R1 */
#define CMD_SEND_CID 0x0a
/* CMD12: response R1 */
#define CMD_STOP_TRANSMISSION 0x0c
/* CMD13: response R2 */
#define CMD_SEND_STATUS 0x0d
/* CMD16: arg0[31:0]: block length, response R1 */
#define CMD_SET_BLOCKLEN 0x10
/* CMD17: arg0[31:0]: data address, response R1 */
#define CMD_READ_SINGLE_BLOCK 0x11
/* CMD18: arg0[31:0]: data address, response R1 */
#define CMD_READ_MULTIPLE_BLOCK 0x12
/* CMD24: arg0[31:0]: data address, response R1 */
#define CMD_WRITE_SINGLE_BLOCK 0x18
/* CMD25: arg0[31:0]: data address, response R1 */
#define CMD_WRITE_MULTIPLE_BLOCK 0x19
/* CMD27: response R1 */
#define CMD_PROGRAM_CSD 0x1b
/* CMD28: arg0[31:0]: data address, response R1b */
#define CMD_SET_WRITE_PROT 0x1c
/* CMD29: arg0[31:0]: data address, response R1b */
#define CMD_CLR_WRITE_PROT 0x1d
/* CMD30: arg0[31:0]: write protect data address, response R1 */
#define CMD_SEND_WRITE_PROT 0x1e
/* CMD32: arg0[31:0]: data address, response R1 */
#define CMD_TAG_SECTOR_START 0x20
/* CMD33: arg0[31:0]: data address, response R1 */
#define CMD_TAG_SECTOR_END 0x21
/* CMD34: arg0[31:0]: data address, response R1 */
#define CMD_UNTAG_SECTOR 0x22
/* CMD35: arg0[31:0]: data address, response R1 */
#define CMD_TAG_ERASE_GROUP_START 0x23
/* CMD36: arg0[31:0]: data address, response R1 */
#define CMD_TAG_ERASE_GROUP_END 0x24
/* CMD37: arg0[31:0]: data address, response R1 */
#define CMD_UNTAG_ERASE_GROUP 0x25
/* CMD38: arg0[31:0]: stuff bits, response R1b */
#define CMD_ERASE 0x26
/* CMD42: arg0[31:0]: stuff bits, response R1b */
#define CMD_LOCK_UNLOCK 0x2a
/* CMD58: response R3 */
#define CMD_READ_OCR 0x3a
/* CMD59: arg0[31:1]: stuff bits, arg0[0:0]: crc option, response R1 */
#define CMD_CRC_ON_OFF 0x3b
/* command responses */
/* R1: size 1 byte */
#define R1_IDLE_STATE 0
#define R1_ERASE_RESET 1
#define R1_ILL_COMMAND 2
#define R1_COM_CRC_ERR 3
#define R1_ERASE_SEQ_ERR 4
#define R1_ADDR_ERR 5
#define R1_PARAM_ERR 6
/* R1b: equals R1, additional busy bytes */
/* R2: size 2 bytes */
#define R2_CARD_LOCKED 0
#define R2_WP_ERASE_SKIP 1
#define R2_ERR 2
#define R2_CARD_ERR 3
#define R2_CARD_ECC_FAIL 4
#define R2_WP_VIOLATION 5
#define R2_INVAL_ERASE 6
#define R2_OUT_OF_RANGE 7
#define R2_CSD_OVERWRITE 7
#define R2_IDLE_STATE (R1_IDLE_STATE + 8)
#define R2_ERASE_RESET (R1_ERASE_RESET + 8)
#define R2_ILL_COMMAND (R1_ILL_COMMAND + 8)
#define R2_COM_CRC_ERR (R1_COM_CRC_ERR + 8)
#define R2_ERASE_SEQ_ERR (R1_ERASE_SEQ_ERR + 8)
#define R2_ADDR_ERR (R1_ADDR_ERR + 8)
#define R2_PARAM_ERR (R1_PARAM_ERR + 8)
/* R3: size 5 bytes */
#define R3_OCR_MASK (0xffffffffUL)
#define R3_IDLE_STATE (R1_IDLE_STATE + 32)
#define R3_ERASE_RESET (R1_ERASE_RESET + 32)
#define R3_ILL_COMMAND (R1_ILL_COMMAND + 32)
#define R3_COM_CRC_ERR (R1_COM_CRC_ERR + 32)
#define R3_ERASE_SEQ_ERR (R1_ERASE_SEQ_ERR + 32)
#define R3_ADDR_ERR (R1_ADDR_ERR + 32)
#define R3_PARAM_ERR (R1_PARAM_ERR + 32)
/* Data Response: size 1 byte */
#define DR_STATUS_MASK 0x0e
#define DR_STATUS_ACCEPTED 0x05
#define DR_STATUS_CRC_ERR 0x0a
#define DR_STATUS_WRITE_ERR 0x0c
#if !SD_RAW_SAVE_RAM
/* static data buffer for acceleration */
static uint8_t raw_block[512];
/* offset where the data within raw_block lies on the card */
static uint32_t raw_block_address;
#if SD_RAW_WRITE_BUFFERING
/* flag to remember if raw_block was written to the card */
static uint8_t raw_block_written;
#endif
#endif
/* private helper functions */
static void sd_raw_send_byte(uint8_t b);
static uint8_t sd_raw_rec_byte();
static uint8_t sd_raw_send_command_r1(uint8_t command, uint32_t arg);
static uint16_t sd_raw_send_command_r2(uint8_t command, uint32_t arg);
/**
* \ingroup sd_raw
* Initializes memory card communication.
*
* \returns 0 on failure, 1 on success.
*/
uint8_t sd_raw_init()
{
/* enable inputs for reading card status */
configure_pin_available();
configure_pin_locked();
/* enable outputs for MOSI, SCK, SS, input for MISO */
configure_pin_mosi();
configure_pin_sck();
configure_pin_ss();
configure_pin_miso();
unselect_card();
/* initialize SPI with lowest frequency; max. 400kHz during identification mode of card */
SPCR = (0 << SPIE) | /* SPI Interrupt Enable */
(1 << SPE) | /* SPI Enable */
(0 << DORD) | /* Data Order: MSB first */
(1 << MSTR) | /* Master mode */
(0 << CPOL) | /* Clock Polarity: SCK low when idle */
(0 << CPHA) | /* Clock Phase: sample on rising SCK edge */
(1 << SPR1) | /* Clock Frequency: f_OSC / 128 */
(1 << SPR0);
SPSR &= ~(1 << SPI2X); /* No doubled clock frequency */
/* initialization procedure */
if(!sd_raw_available())
return 0;
/* card needs 74 cycles minimum to start up */
for(uint8_t i = 0; i < 10; ++i)
{
/* wait 8 clock cycles */
sd_raw_rec_byte();
}
/* address card */
select_card();
/* reset card */
uint8_t response;
for(uint16_t i = 0; ; ++i)
{
response = sd_raw_send_command_r1(CMD_GO_IDLE_STATE, 0);
if(response == (1 << R1_IDLE_STATE))
break;
if(i == 0x1ff)
{
unselect_card();
return 0;
}
}
/* wait for card to get ready */
for(uint16_t i = 0; ; ++i)
{
response = sd_raw_send_command_r1(CMD_SEND_OP_COND, 0);
if(!(response & (1 << R1_IDLE_STATE)))
break;
if(i == 0x7fff)
{
unselect_card();
return 0;
}
}
/* set block size to 512 bytes */
if(sd_raw_send_command_r1(CMD_SET_BLOCKLEN, 512))
{
unselect_card();
return 0;
}
/* deaddress card */
unselect_card();
/* switch to highest SPI frequency possible */
SPCR &= ~((1 << SPR1) | (1 << SPR0)); /* Clock Frequency: f_OSC / 4 */
SPSR |= (1 << SPI2X); /* Doubled Clock Frequency: f_OSC / 2 */
#if !SD_RAW_SAVE_RAM
/* the first block is likely to be accessed first, so precache it here */
raw_block_address = 0xffffffff;
#if SD_RAW_WRITE_BUFFERING
raw_block_written = 1;
#endif
if(!sd_raw_read(0, raw_block, sizeof(raw_block)))
return 0;
#endif
return 1;
}
/**
* \ingroup sd_raw
* Checks wether a memory card is located in the slot.
*
* \returns 1 if the card is available, 0 if it is not.
*/
uint8_t sd_raw_available()
{
return get_pin_available() == 0x00;
}
/**
* \ingroup sd_raw
* Checks wether the memory card is locked for write access.
*
* \returns 1 if the card is locked, 0 if it is not.
*/
uint8_t sd_raw_locked()
{
return get_pin_locked() == 0x00;
}
/**
* \ingroup sd_raw
* Sends a raw byte to the memory card.
*
* \param[in] b The byte to sent.
* \see sd_raw_rec_byte
*/
void sd_raw_send_byte(uint8_t b)
{
SPDR = b;
/* wait for byte to be shifted out */
while(!(SPSR & (1 << SPIF)));
SPSR &= ~(1 << SPIF);
}
/**
* \ingroup sd_raw
* Receives a raw byte from the memory card.
*
* \returns The byte which should be read.
* \see sd_raw_send_byte
*/
uint8_t sd_raw_rec_byte()
{
/* send dummy data for receiving some */
SPDR = 0xff;
while(!(SPSR & (1 << SPIF)));
SPSR &= ~(1 << SPIF);
return SPDR;
}
/**
* \ingroup sd_raw
* Send a command to the memory card which responses with a R1 response.
*
* \param[in] command The command to send.
* \param[in] arg The argument for command.
* \returns The command answer.
*/
uint8_t sd_raw_send_command_r1(uint8_t command, uint32_t arg)
{
uint8_t response;
/* wait some clock cycles */
sd_raw_rec_byte();
/* send command via SPI */
sd_raw_send_byte(0x40 | command);
sd_raw_send_byte((arg >> 24) & 0xff);
sd_raw_send_byte((arg >> 16) & 0xff);
sd_raw_send_byte((arg >> 8) & 0xff);
sd_raw_send_byte((arg >> 0) & 0xff);
sd_raw_send_byte(command == CMD_GO_IDLE_STATE ? 0x95 : 0xff);
/* receive response */
for(uint8_t i = 0; i < 10; ++i)
{
response = sd_raw_rec_byte();
if(response != 0xff)
break;
}
return response;
}
/**
* \ingroup sd_raw
* Send a command to the memory card which responses with a R2 response.
*
* \param[in] command The command to send.
* \param[in] arg The argument for command.
* \returns The command answer.
*/
uint16_t sd_raw_send_command_r2(uint8_t command, uint32_t arg)
{
uint16_t response;
/* wait some clock cycles */
sd_raw_rec_byte();
/* send command via SPI */
sd_raw_send_byte(0x40 | command);
sd_raw_send_byte((arg >> 24) & 0xff);
sd_raw_send_byte((arg >> 16) & 0xff);
sd_raw_send_byte((arg >> 8) & 0xff);
sd_raw_send_byte((arg >> 0) & 0xff);
sd_raw_send_byte(command == CMD_GO_IDLE_STATE ? 0x95 : 0xff);
/* receive response */
for(uint8_t i = 0; i < 10; ++i)
{
response = sd_raw_rec_byte();
if(response != 0xff)
break;
}
response <<= 8;
response |= sd_raw_rec_byte();
return response;
}
/**
* \ingroup sd_raw
* Reads raw data from the card.
*
* \param[in] offset The offset from which to read.
* \param[out] buffer The buffer into which to write the data.
* \param[in] length The number of bytes to read.
* \returns 0 on failure, 1 on success.
* \see sd_raw_read_interval, sd_raw_write, sd_raw_write_interval
*/
uint8_t sd_raw_read(uint32_t offset, uint8_t* buffer, uint16_t length)
{
uint32_t block_address;
uint16_t block_offset;
uint16_t read_length;
while(length > 0)
{
/* determine byte count to read at once */
block_address = offset & 0xfffffe00;
block_offset = offset & 0x01ff;
read_length = 512 - block_offset; /* read up to block border */
if(read_length > length)
read_length = length;
#if !SD_RAW_SAVE_RAM
/* check if the requested data is cached */
if(block_address != raw_block_address)
#endif
{
#if SD_RAW_WRITE_BUFFERING
if(!raw_block_written)
{
if(!sd_raw_write(raw_block_address, raw_block, sizeof(raw_block)))
return 0;
}
#endif
/* address card */
select_card();
/* send single block request */
if(sd_raw_send_command_r1(CMD_READ_SINGLE_BLOCK, block_address))
{
unselect_card();
return 0;
}
/* wait for data block (start byte 0xfe) */
while(sd_raw_rec_byte() != 0xfe);
#if SD_RAW_SAVE_RAM
/* read byte block */
uint16_t read_to = block_offset + read_length;
for(uint16_t i = 0; i < 512; ++i)
{
uint8_t b = sd_raw_rec_byte();
if(i >= block_offset && i < read_to)
*buffer++ = b;
}
#else
/* read byte block */
uint8_t* cache = raw_block;
for(uint16_t i = 0; i < 512; ++i)
*cache++ = sd_raw_rec_byte();
raw_block_address = block_address;
memcpy(buffer, raw_block + block_offset, read_length);
buffer += read_length;
#endif
/* read crc16 */
sd_raw_rec_byte();
sd_raw_rec_byte();
/* deaddress card */
unselect_card();
/* let card some time to finish */
sd_raw_rec_byte();
}
#if !SD_RAW_SAVE_RAM
else
{
/* use cached data */
memcpy(buffer, raw_block + block_offset, read_length);
buffer += read_length;
}
#endif
length -= read_length;
offset += read_length;
}
return 1;
}
/**
* \ingroup sd_raw
* Continuously reads units of \c interval bytes and calls a callback function.
*
* This function starts reading at the specified offset. Every \c interval bytes,
* it calls the callback function with the associated data buffer.
*
* By returning zero, the callback may stop reading.
*
* \note Within the callback function, you can not start another read or
* write operation.
* \note This function only works if the following conditions are met:
* - (offset - (offset % 512)) % interval == 0
* - length % interval == 0
*
* \param[in] offset Offset from which to start reading.
* \param[in] buffer Pointer to a buffer which is at least interval bytes in size.
* \param[in] interval Number of bytes to read before calling the callback function.
* \param[in] length Number of bytes to read altogether.
* \param[in] callback The function to call every interval bytes.
* \param[in] p An opaque pointer directly passed to the callback function.
* \returns 0 on failure, 1 on success
* \see sd_raw_write_interval, sd_raw_read, sd_raw_write
*/
uint8_t sd_raw_read_interval(uint32_t offset, uint8_t* buffer, uint16_t interval, uint16_t length, sd_raw_read_interval_handler_t callback, void* p)
{
if(!buffer || interval == 0 || length < interval || !callback)
return 0;
#if !SD_RAW_SAVE_RAM
while(length >= interval)
{
/* as reading is now buffered, we directly
* hand over the request to sd_raw_read()
*/
if(!sd_raw_read(offset, buffer, interval))
return 0;
if(!callback(buffer, offset, p))
break;
offset += interval;
length -= interval;
}
return 1;
#else
/* address card */
select_card();
uint16_t block_offset;
uint16_t read_length;
uint8_t* buffer_cur;
uint8_t finished = 0;
do
{
/* determine byte count to read at once */
block_offset = offset & 0x01ff;
read_length = 512 - block_offset;
/* send single block request */
if(sd_raw_send_command_r1(CMD_READ_SINGLE_BLOCK, offset & 0xfffffe00))
{
unselect_card();
return 0;
}
/* wait for data block (start byte 0xfe) */
while(sd_raw_rec_byte() != 0xfe);
/* read up to the data of interest */
for(uint16_t i = 0; i < block_offset; ++i)
sd_raw_rec_byte();
/* read interval bytes of data and execute the callback */
do
{
if(read_length < interval || length < interval)
break;
buffer_cur = buffer;
for(uint16_t i = 0; i < interval; ++i)
*buffer_cur++ = sd_raw_rec_byte();
if(!callback(buffer, offset + (512 - read_length), p))
{
finished = 1;
break;
}
read_length -= interval;
length -= interval;
} while(read_length > 0 && length > 0);
/* read rest of data block */
while(read_length-- > 0)
sd_raw_rec_byte();
/* read crc16 */
sd_raw_rec_byte();
sd_raw_rec_byte();
if(length < interval)
break;
offset = (offset & 0xfffffe00) + 512;
} while(!finished);
/* deaddress card */
unselect_card();
/* let card some time to finish */
sd_raw_rec_byte();
return 1;
#endif
}
/**
* \ingroup sd_raw
* Writes raw data to the card.
*
* \note If write buffering is enabled, you might have to
* call sd_raw_sync() before disconnecting the card
* to ensure all remaining data has been written.
*
* \param[in] offset The offset where to start writing.
* \param[in] buffer The buffer containing the data to be written.
* \param[in] length The number of bytes to write.
* \returns 0 on failure, 1 on success.
* \see sd_raw_write_interval, sd_raw_read, sd_raw_read_interval
*/
uint8_t sd_raw_write(uint32_t offset, const uint8_t* buffer, uint16_t length)
{
#if SD_RAW_WRITE_SUPPORT
if(get_pin_locked())
return 0;
uint32_t block_address;
uint16_t block_offset;
uint16_t write_length;
while(length > 0)
{
/* determine byte count to write at once */
block_address = offset & 0xfffffe00;
block_offset = offset & 0x01ff;
write_length = 512 - block_offset; /* write up to block border */
if(write_length > length)
write_length = length;
/* Merge the data to write with the content of the block.
* Use the cached block if available.
*/
if(block_address != raw_block_address)
{
#if SD_RAW_WRITE_BUFFERING
if(!raw_block_written)
{
if(!sd_raw_write(raw_block_address, raw_block, sizeof(raw_block)))
return 0;
}
#endif
if(block_offset || write_length < 512)
{
if(!sd_raw_read(block_address, raw_block, sizeof(raw_block)))
return 0;
}
raw_block_address = block_address;
}
if(buffer != raw_block)
{
memcpy(raw_block + block_offset, buffer, write_length);
#if SD_RAW_WRITE_BUFFERING
raw_block_written = 0;
if(length == write_length)
return 1;
#endif
}
buffer += write_length;
/* address card */
select_card();
/* send single block request */
if(sd_raw_send_command_r1(CMD_WRITE_SINGLE_BLOCK, block_address))
{
unselect_card();
return 0;
}
/* send start byte */
sd_raw_send_byte(0xfe);
/* write byte block */
uint8_t* cache = raw_block;
for(uint16_t i = 0; i < 512; ++i)
sd_raw_send_byte(*cache++);
/* write dummy crc16 */
sd_raw_send_byte(0xff);
sd_raw_send_byte(0xff);
/* wait while card is busy */
while(sd_raw_rec_byte() != 0xff);
sd_raw_rec_byte();
/* deaddress card */
unselect_card();
length -= write_length;
offset += write_length;
#if SD_RAW_WRITE_BUFFERING
raw_block_written = 1;
#endif
}
return 1;
#else
return 0;
#endif
}
/**
* \ingroup sd_raw
* Writes a continuous data stream obtained from a callback function.
*
* This function starts writing at the specified offset. To obtain the
* next bytes to write, it calls the callback function. The callback fills the
* provided data buffer and returns the number of bytes it has put into the buffer.
*
* By returning zero, the callback may stop writing.
*
* \param[in] offset Offset where to start writing.
* \param[in] buffer Pointer to a buffer which is used for the callback function.
* \param[in] length Number of bytes to write in total. May be zero for endless writes.
* \param[in] callback The function used to obtain the bytes to write.
* \param[in] p An opaque pointer directly passed to the callback function.
* \returns 0 on failure, 1 on success
* \see sd_raw_read_interval, sd_raw_write, sd_raw_read
*/
uint8_t sd_raw_write_interval(uint32_t offset, uint8_t* buffer, uint16_t length, sd_raw_write_interval_handler_t callback, void* p)
{
#if SD_RAW_WRITE_SUPPORT
#if SD_RAW_SAVE_RAM
#error "SD_RAW_WRITE_SUPPORT is not supported together with SD_RAW_SAVE_RAM"
#endif
if(!buffer || !callback)
return 0;
uint8_t endless = (length == 0);
while(endless || length > 0)
{
uint16_t bytes_to_write = callback(buffer, offset, p);
if(!bytes_to_write)
break;
if(!endless && bytes_to_write > length)
return 0;
/* as writing is always buffered, we directly
* hand over the request to sd_raw_write()
*/
if(!sd_raw_write(offset, buffer, bytes_to_write))
return 0;
offset += bytes_to_write;
length -= bytes_to_write;
}
return 1;
#else
return 0;
#endif
}
/**
* \ingroup sd_raw
* Writes the write buffer's content to the card.
*
* \note When write buffering is enabled, you should
* call this function before disconnecting the
* card to ensure all remaining data has been
* written.
*
* \returns 0 on failure, 1 on success.
* \see sd_raw_write
*/
uint8_t sd_raw_sync()
{
#if SD_RAW_WRITE_SUPPORT
#if SD_RAW_WRITE_BUFFERING
if(raw_block_written)
return 1;
if(!sd_raw_write(raw_block_address, raw_block, sizeof(raw_block)))
return 0;
#endif
return 1;
#else
return 0;
#endif
}
/**
* \ingroup sd_raw
* Reads informational data from the card.
*
* This function reads and returns the card's registers
* containing manufacturing and status information.
*
* \note: The information retrieved by this function is
* not required in any way to operate on the card,
* but it might be nice to display some of the data
* to the user.
*
* \param[in] info A pointer to the structure into which to save the information.
* \returns 0 on failure, 1 on success.
*/
uint8_t sd_raw_get_info(struct sd_raw_info* info)
{
if(!info || !sd_raw_available())
return 0;
memset(info, 0, sizeof(*info));
select_card();
/* read cid register */
if(sd_raw_send_command_r1(CMD_SEND_CID, 0))
{
unselect_card();
return 0;
}
while(sd_raw_rec_byte() != 0xfe);
for(uint8_t i = 0; i < 18; ++i)
{
uint8_t b = sd_raw_rec_byte();
switch(i)
{
case 0:
info->manufacturer = b;
break;
case 1:
case 2:
info->oem[i - 1] = b;
break;
case 3:
case 4:
case 5:
case 6:
case 7:
info->product[i - 3] = b;
break;
case 8:
info->revision = b;
break;
case 9:
case 10:
case 11:
case 12:
info->serial |= (uint32_t) b << ((12 - i) * 8);
break;
case 13:
info->manufacturing_year = b << 4;
break;
case 14:
info->manufacturing_year |= b >> 4;
info->manufacturing_month = b & 0x0f;
break;
}
}
/* read csd register */
uint8_t csd_read_bl_len = 0;
uint8_t csd_c_size_mult = 0;
uint16_t csd_c_size = 0;
if(sd_raw_send_command_r1(CMD_SEND_CSD, 0))
{
unselect_card();
return 0;
}
while(sd_raw_rec_byte() != 0xfe);
for(uint8_t i = 0; i < 18; ++i)
{
uint8_t b = sd_raw_rec_byte();
switch(i)
{
case 5:
csd_read_bl_len = b & 0x0f;
break;
case 6:
csd_c_size = (uint16_t) (b & 0x03) << 8;
break;
case 7:
csd_c_size |= b;
csd_c_size <<= 2;
break;
case 8:
csd_c_size |= b >> 6;
++csd_c_size;
break;
case 9:
csd_c_size_mult = (b & 0x03) << 1;
break;
case 10:
csd_c_size_mult |= b >> 7;
info->capacity = (uint32_t) csd_c_size << (csd_c_size_mult + csd_read_bl_len + 2);
break;
case 14:
if(b & 0x40)
info->flag_copy = 1;
if(b & 0x20)
info->flag_write_protect = 1;
if(b & 0x10)
info->flag_write_protect_temp = 1;
info->format = (b & 0x0c) >> 2;
break;
}
}
unselect_card();
return 1;
}

/Designs/Data_loggers/GPSRL02A/SW/logger/sd_raw.h
0,0 → 1,139
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either the GNU General Public License version 2
* or the GNU Lesser General Public License version 2.1, both as
* published by the Free Software Foundation.
*/
#ifndef SD_RAW_H
#define SD_RAW_H
#include <stdint.h>
#include "sd_raw_config.h"
/**
* \addtogroup sd_raw
*
* @{
*/
/**
* \file
* MMC/SD raw access header (license: GPLv2 or LGPLv2.1)
*
* \author Roland Riegel
*/
/**
* The card's layout is harddisk-like, which means it contains
* a master boot record with a partition table.
*/
#define SD_RAW_FORMAT_HARDDISK 0
/**
* The card contains a single filesystem and no partition table.
*/
#define SD_RAW_FORMAT_SUPERFLOPPY 1
/**
* The card's layout follows the Universal File Format.
*/
#define SD_RAW_FORMAT_UNIVERSAL 2
/**
* The card's layout is unknown.
*/
#define SD_RAW_FORMAT_UNKNOWN 3
/**
* This struct is used by sd_raw_get_info() to return
* manufacturing and status information of the card.
*/
struct sd_raw_info
{
/**
* A manufacturer code globally assigned by the SD card organization.
*/
uint8_t manufacturer;
/**
* A string describing the card's OEM or content, globally assigned by the SD card organization.
*/
uint8_t oem[3];
/**
* A product name.
*/
uint8_t product[6];
/**
* The card's revision, coded in packed BCD.
*
* For example, the revision value \c 0x32 means "3.2".
*/
uint8_t revision;
/**
* A serial number assigned by the manufacturer.
*/
uint32_t serial;
/**
* The year of manufacturing.
*
* A value of zero means year 2000.
*/
uint8_t manufacturing_year;
/**
* The month of manufacturing.
*/
uint8_t manufacturing_month;
/**
* The card's total capacity in bytes.
*/
uint32_t capacity;
/**
* Defines wether the card's content is original or copied.
*
* A value of \c 0 means original, \c 1 means copied.
*/
uint8_t flag_copy;
/**
* Defines wether the card's content is write-protected.
*
* \note This is an internal flag and does not represent the
* state of the card's mechanical write-protect switch.
*/
uint8_t flag_write_protect;
/**
* Defines wether the card's content is temporarily write-protected.
*
* \note This is an internal flag and does not represent the
* state of the card's mechanical write-protect switch.
*/
uint8_t flag_write_protect_temp;
/**
* The card's data layout.
*
* See the \c SD_RAW_FORMAT_* constants for details.
*
* \note This value is not guaranteed to match reality.
*/
uint8_t format;
};
typedef uint8_t (*sd_raw_read_interval_handler_t)(uint8_t* buffer, uint32_t offset, void* p);
typedef uint16_t (*sd_raw_write_interval_handler_t)(uint8_t* buffer, uint32_t offset, void* p);
uint8_t sd_raw_init();
uint8_t sd_raw_available();
uint8_t sd_raw_locked();
uint8_t sd_raw_read(uint32_t offset, uint8_t* buffer, uint16_t length);
uint8_t sd_raw_read_interval(uint32_t offset, uint8_t* buffer, uint16_t interval, uint16_t length, sd_raw_read_interval_handler_t callback, void* p);
uint8_t sd_raw_write(uint32_t offset, const uint8_t* buffer, uint16_t length);
uint8_t sd_raw_write_interval(uint32_t offset, uint8_t* buffer, uint16_t length, sd_raw_write_interval_handler_t callback, void* p);
uint8_t sd_raw_sync();
uint8_t sd_raw_get_info(struct sd_raw_info* info);
/**
* @}
*/
#endif

/Designs/Data_loggers/GPSRL02A/SW/logger/sd_raw_config.h
0,0 → 1,109
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of either the GNU General Public License version 2
* or the GNU Lesser General Public License version 2.1, both as
* published by the Free Software Foundation.
*/
#ifndef SD_RAW_CONFIG_H
#define SD_RAW_CONFIG_H
/**
* \addtogroup sd_raw
*
* @{
*/
/**
* \file
* MMC/SD support configuration (license: GPLv2 or LGPLv2.1)
*/
/**
* \ingroup sd_raw_config
* Controls MMC/SD write support.
*
* Set to 1 to enable MMC/SD write support, set to 0 to disable it.
*/
#define SD_RAW_WRITE_SUPPORT 1
/**
* \ingroup sd_raw_config
* Controls MMC/SD write buffering.
*
* Set to 1 to buffer write accesses, set to 0 to disable it.
*
* \note This option has no effect when SD_RAW_WRITE_SUPPORT is 0.
*/
#define SD_RAW_WRITE_BUFFERING 0
/**
* \ingroup sd_raw_config
* Controls MMC/SD access buffering.
*
* Set to 1 to save static RAM, but be aware that you will
* lose performance.
*
* \note When SD_RAW_WRITE_SUPPORT is 1, SD_RAW_SAVE_RAM will
* be reset to 0.
*/
#define SD_RAW_SAVE_RAM 1
/* defines for customisation of sd/mmc port access */
#if defined(__AVR_ATmega8__) || \
defined(__AVR_ATmega48__) || \
defined(__AVR_ATmega88__) || \
defined(__AVR_ATmega168__)
#define configure_pin_mosi() DDRB |= (1 << DDB3)
#define configure_pin_sck() DDRB |= (1 << DDB5)
#define configure_pin_ss() DDRB |= (1 << DDB2)
#define configure_pin_miso() DDRB &= ~(1 << DDB4)
#define select_card() PORTB &= ~(1 << PB2)
#define unselect_card() PORTB |= (1 << PB2)
#elif defined(__AVR_ATmega16__) || \
defined(__AVR_ATmega32__)
#define configure_pin_mosi() DDRB |= (1 << DDB5)
#define configure_pin_sck() DDRB |= (1 << DDB7)
#define configure_pin_ss() DDRB |= (1 << DDB4)
#define configure_pin_miso() DDRB &= ~(1 << DDB6)
#define select_card() PORTB &= ~(1 << PB4)
#define unselect_card() PORTB |= (1 << PB4)
#elif defined(__AVR_ATmega64__) || \
defined(__AVR_ATmega128__) || \
defined(__AVR_ATmega169__)
#define configure_pin_mosi() DDRB |= (1 << DDB2)
#define configure_pin_sck() DDRB |= (1 << DDB1)
#define configure_pin_ss() DDRB |= (1 << DDB0)
#define configure_pin_miso() DDRB &= ~(1 << DDB3)
#define select_card() PORTB &= ~(1 << PB0)
#define unselect_card() PORTB |= (1 << PB0)
#else
#error "no sd/mmc pin mapping available!"
#endif
#define configure_pin_available() DDRC &= ~(1 << DDC4)
#define configure_pin_locked() DDRC &= ~(1 << DDC5)
#define get_pin_available() ((PINC >> PC4) & 0x01)
#define get_pin_locked() ((PINC >> PC5) & 0x01)
/**
* @}
*/
/* configuration checks */
#if SD_RAW_WRITE_SUPPORT
#undef SD_RAW_SAVE_RAM
#define SD_RAW_SAVE_RAM 0
#else
#undef SD_RAW_WRITE_BUFFERING
#define SD_RAW_WRITE_BUFFERING 0
#endif
#endif

/Designs/Data_loggers/GPSRL02A/SW/logger/uart.c
0,0 → 1,198
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <stdio.h>
#include <avr/interrupt.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/sfr_defs.h>
#include <avr/sleep.h>
#include "uart.h"
/* some mcus have multiple uarts */
#ifdef UDR0
#define UBRRH UBRR0H
#define UBRRL UBRR0L
#define UDR UDR0
#define UCSRA UCSR0A
#define UDRE UDRE0
#define RXC RXC0
#define UCSRB UCSR0B
#define RXEN RXEN0
#define TXEN TXEN0
#define RXCIE RXCIE0
#define UCSRC UCSR0C
#define URSEL
#define UCSZ0 UCSZ00
#define UCSZ1 UCSZ01
#define UCSRC_SELECT 0
#else
#define UCSRC_SELECT (1 << URSEL)
#endif
#ifndef USART_RXC_vect
#if defined(UART0_RX_vect)
#define USART_RXC_vect UART0_RX_vect
#elif defined(UART_RX_vect)
#define USART_RXC_vect UART_RX_vect
#elif defined(USART0_RX_vect)
#define USART_RXC_vect USART0_RX_vect
#elif defined(USART_RX_vect)
#define USART_RXC_vect USART_RX_vect
#elif defined(USART0_RXC_vect)
#define USART_RXC_vect USART0_RXC_vect
#elif defined(USART_RXC_vect)
#define USART_RXC_vect USART_RXC_vect
#else
#error "Uart receive complete interrupt not defined!"
#endif
#endif
#define BAUD 9600UL
#define UBRRVAL (F_CPU/(BAUD*16)-1)
#define USE_SLEEP 1
void uart_init()
{
/* set baud rate */
UBRRH = UBRRVAL >> 8;
UBRRL = UBRRVAL & 0xff;
/* set frame format: 8 bit, no parity, 1 bit */
UCSRC = UCSRC_SELECT | (1 << UCSZ1) | (1 << UCSZ0);
/* enable serial receiver and transmitter */
#if !USE_SLEEP
UCSRB = (1 << RXEN) | (1 << TXEN);
#else
UCSRB = (1 << RXEN) | (1 << TXEN) | (1 << RXCIE);
#endif
}
void uart_putc(uint8_t c)
{
if(c == '\n')
uart_putc('\r');
/* wait until transmit buffer is empty */
while(!(UCSRA & (1 << UDRE)));
/* send next byte */
UDR = c;
}
void uart_putc_hex(uint8_t b)
{
/* upper nibble */
if((b >> 4) < 0x0a)
uart_putc((b >> 4) + '0');
else
uart_putc((b >> 4) - 0x0a + 'a');
/* lower nibble */
if((b & 0x0f) < 0x0a)
uart_putc((b & 0x0f) + '0');
else
uart_putc((b & 0x0f) - 0x0a + 'a');
}
void uart_putw_hex(uint16_t w)
{
uart_putc_hex((uint8_t) (w >> 8));
uart_putc_hex((uint8_t) (w & 0xff));
}
void uart_putdw_hex(uint32_t dw)
{
uart_putw_hex((uint16_t) (dw >> 16));
uart_putw_hex((uint16_t) (dw & 0xffff));
}
void uart_putw_dec(uint16_t w)
{
uint16_t num = 10000;
uint8_t started = 0;
while(num > 0)
{
uint8_t b = w / num;
if(b > 0 || started || num == 1)
{
uart_putc('0' + b);
started = 1;
}
w -= b * num;
num /= 10;
}
}
void uart_putdw_dec(uint32_t dw)
{
uint32_t num = 1000000000;
uint8_t started = 0;
while(num > 0)
{
uint8_t b = dw / num;
if(b > 0 || started || num == 1)
{
uart_putc('0' + b);
started = 1;
}
dw -= b * num;
num /= 10;
}
}
void uart_puts(const char* str)
{
while(*str)
uart_putc(*str++);
}
void uart_puts_p(PGM_P str)
{
while(1)
{
uint8_t b = pgm_read_byte_near(str++);
if(!b)
break;
uart_putc(b);
}
}
uint8_t uart_getc()
{
/* wait until receive buffer is full */
#if USE_SLEEP
uint8_t sreg = SREG;
sei();
while(!(UCSRA & (1 << RXC)))
sleep_mode();
SREG = sreg;
#else
while(!(UCSRA & (1 << RXC)));
#endif
uint8_t b = UDR;
if(b == '\r')
b = '\n';
return b;
}
EMPTY_INTERRUPT(USART_RXC_vect)

/Designs/Data_loggers/GPSRL02A/SW/logger/uart.h
0,0 → 1,33
/*
* Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef UART_H
#define UART_H
#include <stdint.h>
#include <avr/pgmspace.h>
void uart_init();
void uart_putc(uint8_t c);
void uart_putc_hex(uint8_t b);
void uart_putw_hex(uint16_t w);
void uart_putdw_hex(uint32_t dw);
void uart_putw_dec(uint16_t w);
void uart_putdw_dec(uint32_t dw);
void uart_puts(const char* str);
void uart_puts_p(PGM_P str);
uint8_t uart_getc();
#endif