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# The number of microsteps
STEPS ?= 25
ASM ?= avra
AVRDUDE ?= avrdude
AVRDUDE_ARCH ?= m8
AVRDUDE_SPEED ?= 1
PROGRAMMER ?= avrisp2
PROGPORT ?= usb
CC ?= gcc
CFLAGS ?= -O2 --std=c99 -Wall
LFUSE = 0xE0
HFUSE = 0xD9
NAME = m8driver
HEX = $(NAME).S.hex
all: $(HEX)
tabgen: tabgen.o
$(CC) $(CFLAGS) -o tabgen tabgen.o $(LDFLAGS) -lm
tables.S: tabgen
./tabgen $(STEPS) > tables.S
$(HEX): m8driver.S m8def.inc tables.S
$(ASM) m8driver.S
-srec_cat $(HEX) -Intel -Output $(NAME).S.bin -Binary
@echo
@echo "Successfully built the firmware"
install: all
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) -U flash:w:$(HEX)
avrdude:
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) -t
reset:
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) \
-U signature:r:/dev/null:i -q -q
writefuse:
$(AVRDUDE) -B 10 -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) -q -q \
-U lfuse:w:$(LFUSE):m \
-U hfuse:w:$(HFUSE):m
clean:
-rm -f *~ *.cof *.hex *.obj *.bin *.bak *.cache.* *.o tabgen tables.S
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