Created
February 9, 2011 17:49
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AVR Makefile
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DEVICE = atmega32 #90s2313 | |
AVRDUDE = avrdude -c usbasp -p $(DEVICE) | |
# Choose your favorite programmer and interface above. | |
COMPILE = avr-gcc -Wall -Os -Iusbdrv -I. -mmcu=$(DEVICE) #-DDEBUG_LEVEL=2 | |
# NEVER compile the final product with debugging! Any debug output will | |
# distort timing so that the specs can't be met. | |
OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o | |
# symbolic targets: | |
all: main.hex | |
.c.o: | |
$(COMPILE) -c $< -o $@ | |
.S.o: | |
$(COMPILE) -x assembler-with-cpp -c $< -o $@ | |
# "-x assembler-with-cpp" should not be necessary since this is the default | |
# file type for the .S (with capital S) extension. However, upper case | |
# characters are not always preserved on Windows. To ensure WinAVR | |
# compatibility define the file type manually. | |
.c.s: | |
$(COMPILE) -S $< -o $@ | |
flash: all | |
$(AVRDUDE) -U flash:w:main.hex:i | |
fuse_tiny2313: # only needed for attiny2313 | |
$(AVRDUDE) -U hfuse:w:0xdb:m -U lfuse:w:0xef:m | |
clean: | |
rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s | |
# file targets: | |
main.bin: $(OBJECTS) | |
$(COMPILE) -o main.bin $(OBJECTS) | |
main.hex: main.bin | |
rm -f main.hex main.eep.hex | |
avr-objcopy -j .text -j .data -O ihex main.bin main.hex | |
./checksize main.bin | |
# do the checksize script as our last action to allow successful compilation | |
# on Windows with WinAVR where the Unix commands will fail. | |
disasm: main.bin | |
avr-objdump -d main.bin | |
cpp: | |
$(COMPILE) -E main.c |
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