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# The number of microsteps
STEPS := 18
ASM := avra
ASMFLAGS := -I /usr/share/avra
AVRDUDE := avrdude
AVRDUDE_ARCH := m8
AVRDUDE_SPEED := 1
PROGRAMMER := avrisp2
PROGPORT := usb
CC := gcc
CFLAGS := -O2 --std=c99 -Wall -Wextra
DEBUG := 0
# Fuses: Ext clock; 4ms SUT; BOD 4V; WDT always-on
LFUSE := 0x10
HFUSE := 0x99
NAME := m8driver
HEX := $(NAME).S.hex
ifneq ($(DEBUG),0)
ASMFLAGS += --define DEBUG
endif
all: $(HEX)
tabgen: tabgen.o
$(CC) $(CFLAGS) -o tabgen tabgen.o $(LDFLAGS) -lm
tables.S: tabgen
./tabgen $(STEPS) > tables.S
$(HEX): m8driver.S tables.S
$(ASM) $(ASMFLAGS) --listfile $(NAME).S.lst --listmac $(NAME).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)
dumphex:
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) -U flash:r:$(HEX).dump:i
dumpbin:
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(PROGRAMMER) -P $(PROGPORT) -U flash:r:$(NAME).S.bin.dump:r
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 *.lst *.bak *.o tabgen tables.S
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