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- ARCH = atmega88
- AVRDUDE_ARCH = m88
- AVRDUDE = avrdude
- AVRDUDE_SPEED = 1
- PROGRAMMER = avrisp2
- PROGPORT = usb
- CC = avr-gcc
- OBJCOPY = avr-objcopy
- SIZE = avr-size
- READELF = avr-readelf
- SPARSE = sparse
- TARGET = 0 # Target selection: make TARGET=0
- DEBUG = 0 # Debug build: make DEBUG=1
- V = @ # Verbose build: make V=1
- C = 0 # Sparsechecker build: make C=1
- Q = $(V:1=)
- QUIET_CC = $(Q:@=@echo ' CC '$@;)$(CC)
- QUIET_DEPEND = $(Q:@=@echo ' DEPEND '$@;)$(CC)
- QUIET_OBJCOPY = $(Q:@=@echo ' OBJCOPY '$@;)$(OBJCOPY)
- QUIET_SIZE = $(Q:@=@echo ' SIZE '$@;)$(SIZE)
- QUIET_READELF = $(Q:@=@echo ' READELF '$@;)$(READELF)
- ifeq ($(C),1)
- QUIET_SPARSE = $(Q:@=@echo ' SPARSE '$@;)$(SPARSE)
- else
- QUIET_SPARSE = @/bin/true
- endif
- CFLAGS = -mmcu=$(ARCH) -std=c99 -O2 -Wall \
- "-Dinline=inline __attribute__((__always_inline__))" \
- -DDEBUG=$(DEBUG) -DTARGET=$(TARGET)
- SPARSEFLAGS = $(CFLAGS) -I "/usr/lib/avr/include" -D__AVR_ARCH__=5 \
- -D__AVR_ATmega88__=1 -D__ATTR_PROGMEM__="" -Dsignal=dllexport \
- -Dexternally_visible=dllexport
- LFUSE = 0xE0
- HFUSE = 0xDF
- EFUSE = 0xF9
- SRCS = main.c
- NAME = debounce
- BIN = $(NAME).bin
- HEX = $(NAME).hex
- EEP = $(NAME).eep.hex
- .SUFFIXES:
- .PHONY: all avrdude install_flash install_eeprom install reset writefuse clean distclean
- .DEFAULT_GOAL := all
- DEPS = $(sort $(patsubst %.c,dep/%.d,$(1)))
- OBJS = $(sort $(patsubst %.c,obj/%.o,$(1)))
- $(call DEPS,$(SRCS)): dep/%.d: %.c
- @mkdir -p $(dir $@)
- $(QUIET_DEPEND) -o $@.tmp -MM -MG -MT "$@ $(patsubst dep/%.d,obj/%.o,$@)" $(CFLAGS) $< && mv -f $@.tmp $@
- -include $(call DEPS,$(SRCS))
- $(call OBJS,$(SRCS)): obj/%.o:
- @mkdir -p $(dir $@)
- $(QUIET_SPARSE) $(SPARSEFLAGS) $<
- $(QUIET_CC) -o $@ -c $(CFLAGS) $<
- all: $(HEX)
- %.s: %.c
- $(QUIET_CC) $(CFLAGS) -S $*.c
- $(BIN): $(call OBJS,$(SRCS))
- $(QUIET_CC) $(CFLAGS) -o $(BIN) $(call OBJS,$(SRCS)) $(LDFLAGS)
- $(HEX): $(BIN)
- $(QUIET_OBJCOPY) -R.eeprom -O ihex $(BIN) $(HEX)
- $(QUIET_SIZE) $(BIN)
- $(QUIET_READELF) -S $(BIN) | egrep '(Name|text|eeprom|data|bss)'
- @echo Built target $(TARGET)
- avrdude:
- $(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
- -c $(PROGRAMMER) -P $(PROGPORT) -t
- install_flash:
- $(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
- -c $(PROGRAMMER) -P $(PROGPORT) -U flash:w:$(HEX)
- install_eeprom:
- $(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
- -c $(PROGRAMMER) -P $(PROGPORT) -U eeprom:w:$(EEP)
- install: all install_flash
- reset:
- $(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
- -c $(PROGRAMMER) -P $(PROGPORT) \
- -U signature:r:/dev/null:i -q -q
- writefuse:
- $(AVRDUDE) -B 5 -p $(AVRDUDE_ARCH) \
- -c $(PROGRAMMER) -P $(PROGPORT) -q -q \
- -U lfuse:w:$(LFUSE):m \
- -U hfuse:w:$(HFUSE):m
- clean:
- rm -Rf *~ *.o obj dep $(BIN)
- distclean: clean
- rm -f *.s $(HEX) $(EEP)
- help:
- @echo "Debouncer Makefile"
- @echo ""
- @echo "BUILD TARGETS (make TARGET=x):"
- @echo " TARGET=0 - Build target for \"cncjoints\""
- @echo ""
- @echo ""
- @echo "Cleanup:"
- @echo " all - build the firmware (default target)"
- @echo " clean - remove object files"
- @echo " distclean - remove object, binary and hex files"
- @echo ""
- @echo "avrdude operations:"
- @echo " install - flash the program code"
- @echo " writefuse - write the fuse bits"
- @echo " reset - pull the external device reset pin"
- @echo " avrdude - run avrdude in interactive mode"
- @echo ""
- @echo "Generic:"
- @echo " *.s - create an assembly file from a *.c file"
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