/Designs/Measuring_instruments/AWS01B/SW/PIC16F887/bootloader887/bloader.PJT
0,0 → 1,58
[Directories]
Include=C:\Program Files (x86)\PICC\Devices;C:\Program Files (x86)\PICC\Drivers;
Library=
LinkerScript=
[defines]
enabled=0
D1=
V1=
[fileformats]
forcecoff=0
debug=4
error=2
object=0
list=0
scratch=0
sta=1
tre=1
allerrors=1
allwarnings=1
stayupne=3
stayupoe=0
[PROJECT]
Target=bloader.hex
Development_Mode=
Processor=0x887F
Processor_Text=PIC16F887
ToolSuite=CCS
[Target Data]
BuildTool=C-COMPILER
OptionString=+FM
AdditionalOptionString=
BuildRequired=1
FileList=D:\MLAB\Designs\Measuring_instruments\AWS01A\SW\PIC16F887\bootloader887\bloader.c
[bloader.c]
Type=4
Path=
FileList=
BuildTool=
OptionString=
AdditionalOptionString=
[mru-list]
1=bloader.c
[Windows]
0=0000 %S 0 0 796 451 3 0
[Opened Files]
1=bloader.c
2=..\common\bloader_defs.h
3=bloader.h
4=C:\Program Files\PICC\devices\16F887.h
5=C:\Program Files\PICC\drivers\string.h
6=C:\Program Files\PICC\drivers\stddef.h
7=C:\Program Files\PICC\drivers\ctype.h
8=
9=
10=
[Units]
Count=1
1=bloader (main)
/Designs/Measuring_instruments/AWS01B/SW/PIC16F887/bootloader887/bloader.c
0,0 → 1,302
/**** BootLoader for PIC16F887
 
Ussage:
ascii-xfr -s -v -l 110 ./bltest.hex > /dev/ttyUSB0
ascii-xfr is part of 'minicom' package
 
Add "uf\n\r" to the first line of .HEX. or use this script:
echo uf > /dev/ttyUSB$1
ascii-xfr -s -v -l 100 ./bltest.hex > /dev/ttyUSB$1
Or add "uf\n\r" and add some dummy characters at the end or begin of each line (for 100 ms delay) and use:
cp ./bltest.hex > /dev/ttyUSB0
For adding characters you can use this:
sed -i 's/^/pppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp/' ./bltest.hex
sed -i 1i"uf" ./bltest.hex
Windows script:
mode com1 baud=9600 parity=n data=8 stop=1 rts=off dtr=off xon=off
echo uf > com1
ping 1.1.1.1 -n 1 -w 100 > nul
FOR /F "tokens=1*" %%i in (bltest.hex) do @echo %%i > com1 & ping 1.1.1.1 -n 1 -w 100 > nul
*/
 
#define ID "$Id: bloader.c 2898 2013-04-09 22:15:55Z kakl $"
 
#CASE // Case sensitive compiler
 
#define ERR_BUFFER_OVERRUN 1 // Error 1 - Buffer Overrun
#define ERR_CHECKSUM 2 // Error 2 - Bad CheckSum
#define ERR_TOO_MANY_BYTES 3 // Error 3 - Too many bytes in one line
#define ERR_UNSUPORTED_LINETYPE 4 // Error 4 - Unsuported Line type
 
#define BUFFER_LEN_LOD 46 // Length of Working buffer for HEX
 
#include "..\common\bloader_defs.h"
#include "bloader.h"
#include <string.h>
 
#INT_RDA
void rs232_handler() // Test of interrupt
{
putchar(getc()); // Just echo for test
}
 
void welcome(void) // Welcome message
{
char REV[50]=ID; // Buffer for concatenate of a version string
 
if (REV[strlen(REV)-1]=='$') REV[strlen(REV)-1]=0;
printf("\r\n\r\n# BLoader 887 (C) 2013 KAKL\r\n"); // Welcome message
printf("#%s\r\n",&REV[4]);
}
 
 
/*-------------------------------- MAIN --------------------------------------*/
#SEPARATE
void real_main() // Main of loaded program
{
int8 i=0;
 
i=rs232_errors; // Just for compiler pleasure (supress Warning)
welcome();
 
printf("# Reserved: %Lu\r\n", RESERVED_BLOCKS*FLASH_BLOCK_SIZE);
printf("# FLASH_ERASE_SIZE: %Lu\r\n",getenv("FLASH_ERASE_SIZE"));
printf("# FLASH_WRITE_SIZE: %Lu\r\n",getenv("FLASH_WRITE_SIZE"));
printf("# Boot Loader Test >>>\r\n# ");
enable_interrupts(INT_RDA);
enable_interrupts(GLOBAL);
while(TRUE)
{
printf("%u|",i++); // Do something
delay_ms(100);
}
}
 
 
/*------------------- BOOT LOADER --------------------------------------------*/
 
#BUILD(INTERRUPT=FLASH_BLOCK_SIZE) // Redirect Interrupt routine above first flash block
#ROM 0x0004={0,0,0,0,0,0,0,0,0,0,0,0} // 12x NOP from interrupt vector to interrupt routine
 
 
#ORG LOADER_RESERVED,LOADER_RESERVED+FLASH_BLOCK_SIZE-1 auto=0
#SEPARATE
void dummy_main() // Main on the fix position. It will be overwriten by downloaded program reset vector.
{
real_main();
}
 
#ORG LOADER_RESERVED+FLASH_BLOCK_SIZE,getenv("PROGRAM_MEMORY")-1 auto=0 default //Start of BootLoader
 
#use rs232(baud=9600,parity=N,xmit=PIN_C6,rcv=PIN_C7,bits=8,ERRORS) //RS232 control routine for BootLoader
 
#SEPARATE
unsigned int8 atoi_b16(char *s) // Convert two hex characters to an int8
{
unsigned int8 result = 0;
int i;
 
for (i=0; i<2; i++,s++) {
if (*s >= 'A')
result = 16*result + (*s) - 'A' + 10;
else
result = 16*result + (*s) - '0';
}
 
return(result);
}
 
void assert(int1 Condition, int8 ErrorCode) // Send error number to the serial line
{
if(Condition)
{
putchar('e');
putchar(ErrorCode+'0');
reset_cpu();
}
}
 
void pause()
{
int16 timeout;
 
for(timeout=0; timeout<65535; timeout++); // Delay cca 300ms
}
 
#SEPARATE
void boot_loader() // Loads a new program
{
/*
:100240001F2999000A300C1E232999006430A4004C
10 = 16 bytes
0249 = address 0x0120 (0x240/2 because of words)
00 = data
...data...
4C = checksum
 
:00000001FF
00 = 0 bytes
0000 = address 0
01 = END
FF = checksum
 
http://cs.wikipedia.org/wiki/Intel_HEX
*/
int buffidx;
char buffer[BUFFER_LEN_LOD]; // Buffer for HEX line
 
int8 checksum, num_of_bytes, line_type; // Extracted values from HEX line
int16 l_addr,h_addr=0;
int16 addr; // Address of word in PIC
int32 next_addr; // Helper variable for for
 
int8 dataidx, i; // Buffer for program bytes and pointers
union program_data {
int8 i8[16];
int16 i16[8];
} data;
 
disable_interrupts(GLOBAL);
 
putchar('@'); //Start Erase
/*
//Erase program memory is not necessary.
{
int8 i;
for(i=0;i<32;i++)buffer[i]=0xFF;
}
for(addr=FLASH_BLOCK_SIZE;addr<LOADER_RESERVED+FLASH_BLOCK_SIZE;addr+=FLASH_BLOCK_SIZE)
{
write_program_memory(addr, &buffer[0], 32);
putchar('.');
restart_wdt();
}
*/
putchar('!'); //Erase completed
 
//---WDT
while(!kbhit()) restart_wdt(); //Wait for HEX
putc('\r'); putc('\n');
while(TRUE)
{
//---WDT
while (getc()!=':') restart_wdt(); // Only process data blocks that starts with ':'
putchar(':');
 
buffidx = 0; // Read into the buffer until CR is received or buffer is full
do
{
buffer[buffidx] = getc();
putc(buffer[buffidx]);
} while ( (buffer[buffidx] != '\r') && (buffer[buffidx] != '\n') && (buffer[buffidx] != ' ') && (++buffidx < BUFFER_LEN_LOD) );
assert(buffidx == BUFFER_LEN_LOD, ERR_BUFFER_OVERRUN); // Error 1 - Buffer Overrun
//---WDT
restart_wdt();
 
checksum = 0; // Sum the bytes to find the check sum value
for (i=0; i<(buffidx-1); i+=2)
{
checksum += atoi_b16 (&buffer[i]);
//!!! printf(".%x",checksum);
}
assert(checksum != 0, ERR_CHECKSUM); // Error 2 - Bad CheckSum
 
// Get the lower 16 bits of address
l_addr = make16(atoi_b16(&buffer[2]),atoi_b16(&buffer[4]));
 
line_type = atoi_b16 (&buffer[6]);
num_of_bytes = atoi_b16 (&buffer[0]);
assert (num_of_bytes > 16, ERR_TOO_MANY_BYTES); // Error 3 - Too many bytes in one line
 
addr = make32(h_addr,l_addr);
 
addr /= 2; // PIC16 uses word addresses
 
// If the line type is 1 then END
if (line_type == 1)
{
putchar('#');
reset_cpu();
}
 
assert (line_type != 0, ERR_UNSUPORTED_LINETYPE); // Error 4 - Unsuported Line type
 
{
// Read old program memory content
for (i=0,next_addr=addr;i<8;i++)
data.i16[i]=read_program_eeprom(next_addr++);
// Loops through all of the data and stores it in data
// The last 2 bytes are the check sum, hence buffidx-4
for (i=8,dataidx=0; i < (buffidx-3); i += 2)
data.i8[dataidx++]=atoi_b16(&buffer[i]);
 
if (addr == 0)
{
// Write 8 words to the Loader location (jump to the main())
addr=LOADER_RESERVED;
write_program_memory(addr, &data.i8[0], 16); // It works only with 16 !!!
putchar('%');
}
else
if ( (addr >= FLASH_BLOCK_SIZE) && (addr <= (LOADER_RESERVED-16)) ) // Do not overwrite BootLoader
{
// Write program
write_program_memory(addr, &data.i8[0], 16); // It works only with 16 !!!
putchar('$');
}
else putchar('.'); // Possibly there was prevented write to the location of BootLoader
putc('\r'); putc('\n');
 
//---WDT
restart_wdt();
}
}
}
 
 
void main()
{
int8 timeout;
 
disable_interrupts(GLOBAL);
setup_wdt(WDT_2304MS); // Setup Watch Dog
setup_adc_ports(NO_ANALOGS);
setup_adc(ADC_OFF);
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
setup_timer_1(T1_DISABLED);
setup_timer_2(T2_DISABLED,0,1);
setup_comparator(NC_NC_NC_NC);
setup_vref(FALSE);
setup_oscillator(OSC_8MHZ|OSC_INTRC);
 
for(timeout=0; timeout<255; timeout++) //cca 50s
{
if (kbhit())
if (getc()=='u') // Send "uf" for Update Firmware
{
putchar('*');
if (getc()=='f')
{
restart_wdt();
boot_loader(); // Update Firmware starter
}
}
else break;
putchar('u'); putchar('f'); putchar('?');
pause();
restart_wdt();
};
 
restart_wdt();
goto_address(LOADER_RESERVED); // Jump to the location where is the jump to the main
}
#ORG default // End of BootLoader
/Designs/Measuring_instruments/AWS01B/SW/PIC16F887/bootloader887/bloader.h
0,0 → 1,20
#include <16F887.h>
#device adc=10
 
#FUSES WDT // Watch Dog Timer
#FUSES INTRC_IO //Internal RC Osc, NO CLK OUT
#FUSES NOPUT //No Power Up Timer
#FUSES MCLR //Master Clear pin enabled
#FUSES NOPROTECT //Code not protected from reading
#FUSES NOCPD //No EE protection
#FUSES NOBROWNOUT //No brownout reset
#FUSES IESO //Internal External Switch Over mode enabled
#FUSES FCMEN //Fail-safe clock monitor enabled
#FUSES NOLVP //No low voltage prgming, B3(PIC16) or B5(PIC18) used for I/O
#FUSES NODEBUG //No Debug mode for ICD
#FUSES NOWRT //Program memory not write protected
#FUSES BORV40 //Brownout reset at 4.0V
 
#use delay(clock=8000000)
#use rs232(baud=9600,parity=N,xmit=PIN_C6,rcv=PIN_C7,bits=8,ERRORS)
 
/Designs/Measuring_instruments/AWS01B/SW/PIC16F887/bootloader887/bloader.hex
0,0 → 1,202
:080000001F308A00602F000090
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:103E900099000D300C1E4A2F99000A300C1E4E2F2F
:103EA00099006400D52D0800AC01AB012B0F5B2FEE
:103EB0002C0F5B2F5F2FAB0A0319AC0A562F08009B
:103EC000840183131F308305713083168F000F0820
:103ED000031787110C3003139900A230980090301B
:103EE000831298008316031787110C30031399006F
:103EF000A2309800903083129800831603170908A7
:103F0000C039890003131F129F1200300317880065
:103F100083128701880189010313A701A801A90160
:103F20000B138B138B1B912F0930031785000F3058
:103F3000F700031381018130840083130008F039F6
:103F40000738800064000008F739F719F039770462
:103F50008000831603170908C039890003131F1254
:103F60009F12003003178800831203131F1083165B
:103F70000108C73908388100831290010030F80029
:103F80009200003083169200831203178701880184
:103F9000890183160313970171308F000F08831274
:103FA000AA012A0FD42FF82F8C1EE82FF0247808AE
:103FB000753C031DE72F2A300C1EDC2F9900F024DE
:103FC0007808663C031DE62F6400BB25E82FF82F18
:103FD00075300C1EE92F990066300C1EED2F9900EC
:103FE0003F300C1EF12F990054276400AA0AD12FEC
:0C3FF00064001C308A00E0308200630096
:1000080000000000000000000000000000000000E8
:080018000000000000000000E0
:04400E00FC2CFF3F48
:00000001FF
;PIC16F887
;CRC=A6FF CREATED="13-IV-13 18:54"
/Designs/Measuring_instruments/AWS01B/SW/PIC16F887/common/bloader_defs.h
0,0 → 1,7
/*------------------- BOOT LOADER Common Definitions --------------------------------------------*/
 
#define FLASH_BLOCK_SIZE getenv("FLASH_ERASE_SIZE")/2 // Minimal length of Flash Block Size
#define RESERVED_BLOCKS 50 // Number of reserved flash blocks for BootLoader
#define LOADER_RESERVED (getenv("PROGRAM_MEMORY")-(RESERVED_BLOCKS*FLASH_BLOCK_SIZE)) // begining of BootLoader
 
 
/Designs/Measuring_instruments/AWS01B/SW/PIC16F887/common/dbloader.h
0,0 → 1,26
/*------------------- DUMMY BOOT LOADER --------------------------------------------*/
#include "..\common\bloader_defs.h"
 
#BUILD(INTERRUPT=FLASH_BLOCK_SIZE) // Redirect Interrupt routine above first flash block
 
/*
#ORG 4,FLASH_BLOCK_SIZE-1
void JumpToTheInterrupt() // Jump to the Interrupt Handler
{ #asm
NOP
NOP
NOP
NOP
GOTO FLASH_BLOCK_SIZE
#endasm }
//#ORG 6,FLASH_BLOCK_SIZE-1 {} // First Flash block is reserved
*/
 
#ROM 0x0004={0,0,0,0,0,0,0,0,0,0,0,0} // 12x NOP from interrupt vector to interrupt routine
 
#ORG LOADER_RESERVED,getenv("PROGRAM_MEMORY")-1 auto=0
#SEPARATE
void dummy_main() // Main on the fix position
{
reset_cpu();
}