| /programy/C/avr/tests/ATmega168/uart/default/Makefile |
|---|
| 0,0 → 1,78 |
| ############################################################################### |
| # Makefile for the project main |
| ############################################################################### |
| ## General Flags |
| PROJECT = main |
| MCU = atmega168 |
| TARGET = main.elf |
| CC = avr-gcc.exe |
| ## Options common to compile, link and assembly rules |
| COMMON = -mmcu=$(MCU) |
| ## Compile options common for all C compilation units. |
| CFLAGS = $(COMMON) |
| CFLAGS += -Wall -gdwarf-2 -std=gnu99 -DF_CPU=14318180UL -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums |
| CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d |
| ## Assembly specific flags |
| ASMFLAGS = $(COMMON) |
| ASMFLAGS += $(CFLAGS) |
| ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2 |
| ## Linker flags |
| LDFLAGS = $(COMMON) |
| LDFLAGS += -Wl,-Map=main.map |
| ## Intel Hex file production flags |
| HEX_FLASH_FLAGS = -R .eeprom |
| HEX_EEPROM_FLAGS = -j .eeprom |
| HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load" |
| HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0 --no-change-warnings |
| ## Objects that must be built in order to link |
| OBJECTS = main.o uart.o |
| ## Objects explicitly added by the user |
| LINKONLYOBJECTS = |
| ## Build |
| all: $(TARGET) main.hex main.eep main.lss size |
| ## Compile |
| main.o: ../main.c |
| $(CC) $(INCLUDES) $(CFLAGS) -c $< |
| uart.o: ../uart.c |
| $(CC) $(INCLUDES) $(CFLAGS) -c $< |
| ##Link |
| $(TARGET): $(OBJECTS) |
| $(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET) |
| %.hex: $(TARGET) |
| avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@ |
| %.eep: $(TARGET) |
| -avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@ || exit 0 |
| %.lss: $(TARGET) |
| avr-objdump -h -S $< > $@ |
| size: ${TARGET} |
| @echo |
| @avr-size -C --mcu=${MCU} ${TARGET} |
| ## Clean target |
| .PHONY: clean |
| clean: |
| -rm -rf $(OBJECTS) main.elf dep/* main.hex main.eep main.lss main.map |
| ## Other dependencies |
| -include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*) |
| /programy/C/avr/tests/ATmega168/uart/default/main.elf |
|---|
| 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 |
| /programy/C/avr/tests/ATmega168/uart/main.aps |
|---|
| 0,0 → 1,0 |
| <AVRStudio><MANAGEMENT><ProjectName>main</ProjectName><Created>27-Apr-2008 13:39:11</Created><LastEdit>27-Apr-2008 15:20:23</LastEdit><ICON>241</ICON><ProjectType>0</ProjectType><Created>27-Apr-2008 13:39:11</Created><Version>4</Version><Build>4, 14, 0, 589</Build><ProjectTypeName>AVR GCC</ProjectTypeName></MANAGEMENT><CODE_CREATION><ObjectFile>default\main.elf</ObjectFile><EntryFile></EntryFile><SaveFolder>D:\KAKLIK\projekty\programy\C\avr\tests\ATmega168\uart\</SaveFolder></CODE_CREATION><DEBUG_TARGET><CURRENT_TARGET>ICE50</CURRENT_TARGET><CURRENT_PART>ATmega168.xml</CURRENT_PART><BREAKPOINTS></BREAKPOINTS><IO_EXPAND><HIDE>false</HIDE></IO_EXPAND><REGISTERNAMES><Register>R00</Register><Register>R01</Register><Register>R02</Register><Register>R03</Register><Register>R04</Register><Register>R05</Register><Register>R06</Register><Register>R07</Register><Register>R08</Register><Register>R09</Register><Register>R10</Register><Register>R11</Register><Register>R12</Register><Register>R13</Register><Register>R14</Register><Register>R15</Register><Register>R16</Register><Register>R17</Register><Register>R18</Register><Register>R19</Register><Register>R20</Register><Register>R21</Register><Register>R22</Register><Register>R23</Register><Register>R24</Register><Register>R25</Register><Register>R26</Register><Register>R27</Register><Register>R28</Register><Register>R29</Register><Register>R30</Register><Register>R31</Register></REGISTERNAMES><COM>Auto</COM><COMType>0</COMType><WATCHNUM>0</WATCHNUM><WATCHNAMES><Pane0></Pane0><Pane1></Pane1><Pane2></Pane2><Pane3></Pane3></WATCHNAMES><BreakOnTrcaeFull>0</BreakOnTrcaeFull></DEBUG_TARGET><Debugger><Triggers></Triggers></Debugger><AVRGCCPLUGIN><FILES><SOURCEFILE>main.c</SOURCEFILE><SOURCEFILE>uart.c</SOURCEFILE><HEADERFILE>uart.h</HEADERFILE><OTHERFILE>default\main.lss</OTHERFILE><OTHERFILE>default\main.map</OTHERFILE></FILES><CONFIGS><CONFIG><NAME>default</NAME><USESEXTERNALMAKEFILE>NO</USESEXTERNALMAKEFILE><EXTERNALMAKEFILE></EXTERNALMAKEFILE><PART>atmega168</PART><HEX>1</HEX><LIST>1</LIST><MAP>1</MAP><OUTPUTFILENAME>main.elf</OUTPUTFILENAME><OUTPUTDIR>default\</OUTPUTDIR><ISDIRTY>0</ISDIRTY><OPTIONS/><INCDIRS/><LIBDIRS/><LIBS/><LINKOBJECTS/><OPTIONSFORALL>-Wall -gdwarf-2 -std=gnu99 -DF_CPU=14318180UL -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums</OPTIONSFORALL><LINKEROPTIONS></LINKEROPTIONS><SEGMENTS/></CONFIG></CONFIGS><LASTCONFIG>default</LASTCONFIG><USES_WINAVR>1</USES_WINAVR><GCC_LOC>C:\Program Files\WinAVR\bin\avr-gcc.exe</GCC_LOC><MAKE_LOC>C:\Program Files\WinAVR\utils\bin\make.exe</MAKE_LOC></AVRGCCPLUGIN><IOView><usergroups/><sort sorted="0" column="0" ordername="0" orderaddress="0" ordergroup="0"/></IOView><Files><File00000><FileId>00000</FileId><FileName>main.c</FileName><Status>1</Status></File00000><File00001><FileId>00001</FileId><FileName>uart.c</FileName><Status>1</Status></File00001><File00002><FileId>00002</FileId><FileName>uart.h</FileName><Status>1</Status></File00002></Files><Events><Bookmarks></Bookmarks></Events><Trace><Filters></Filters></Trace></AVRStudio> |
| /programy/C/avr/tests/ATmega168/uart/main.aws |
|---|
| 0,0 → 1,0 |
| <AVRWorkspace><IOSettings><CurrentRegisters/></IOSettings><part name="ATMEGA168"/><Files/></AVRWorkspace> |
| /programy/C/avr/tests/ATmega168/uart/main.c |
|---|
| 0,0 → 1,27 |
| #include <string.h> |
| #include <avr/pgmspace.h> |
| #include <avr/sleep.h> |
| #include "uart.h" |
| int main() |
| { |
| /* we will just use ordinary idle mode */ |
| // set_sleep_mode(SLEEP_MODE_IDLE); |
| /* setup uart */ |
| uart_init(); |
| /* setup sd card slot */ |
| while(1) |
| { |
| uart_puts_p(PSTR("test000000000000000")); |
| } |
| return 1; |
| } |
| /programy/C/avr/tests/ATmega168/uart/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) |
| /programy/C/avr/tests/ATmega168/uart/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 |