# The architecture configuration ARCH ?= atmega88 AVRDUDE_ARCH ?= m88 AVRDUDE ?= avrdude AVRDUDE_SPEED ?= 1 PROGRAMMER ?= avrisp2 PROGPORT ?= usb # The toolchain definitions CC = avr-gcc OBJCOPY = avr-objcopy SIZE = avr-size READELF = avr-readelf SPARSE = sparse 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 -g0 -Os -Wall -DIN_FIRMWARE \ "-Dinline=inline __attribute__((__always_inline__))" SPARSEFLAGS = $(CFLAGS) -I "/usr/lib/avr/include" -D__AVR_ARCH__=4 \ -D__AVR_ATmega88__=1 -D__ATTR_PROGMEM__="" -Dsignal=dllexport \ -Dexternally_visible=dllexport -Dnaked=dllexport \ -Wdeclaration-after-statement -Wdo-while -Wptr-subtraction-blows \ -Wreturn-void -Wshadow -Wtypesign -Wundef # The fuse bits LFUSE = 0xE0 HFUSE = 0xDC EFUSE = 0x01 F_CPU := 20000000 CFLAGS += -DF_CPU=$(F_CPU) SRCS = main.c util.c lcd.c ltc1446.c ext_control.c BIN = psu.bin HEX = psu.hex EEP = psu.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))) # Generate dependencies $(call DEPS,$(SRCS)): dep/%.d: %.c @mkdir -p $(dir $@) $(QUIET_DEPEND) -o $@.tmp -MM -MT "$@ $(patsubst dep/%.d,obj/%.o,$@)" $(CFLAGS) $< && mv -f $@.tmp $@ -include $(call DEPS,$(SRCS)) # Generate object files $(call OBJS,$(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_OBJCOPY) -j.eeprom --set-section-flags=.eeprom="alloc,load" \ --change-section-lma .eeprom=0 -O ihex $(BIN) $(EEP) @echo -n "flash: " @$(SIZE) $(BIN) --format=SysV | grep '.text' | awk '{print $$2;}' @echo -n "eeprom: " @$(SIZE) $(BIN) --format=SysV | grep '.eeprom' | awk '{print $$2;}' @echo -n "ram: " @echo "$$($(SIZE) $(BIN) --format=SysV | grep '.data' | awk '{print $$2;}') +\ $$($(SIZE) $(BIN) --format=SysV | grep '.bss' | awk '{print $$2;}')" | bc 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 install_eeprom # Reset the microcontroller through avrdude reset: $(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \ -c $(PROGRAMMER) -P $(PROGPORT) \ -U signature:r:/dev/null:i -q -q writefuse: $(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \ -c $(PROGRAMMER) -P $(PROGPORT) -q -q \ -U lfuse:w:$(LFUSE):m \ -U hfuse:w:$(HFUSE):m \ -U efuse:w:$(EFUSE):m clean: -rm -Rf *~ obj dep $(BIN) distclean: clean -rm -f *.s $(HEX) $(EEP) help: @echo "OpenPSU Makefile" @echo "" @echo "Targets:" @echo " all - build the firmware (default target)" @echo " clean - remove object files" @echo " distclean - remove object, binary and hex files" @echo "" @echo "Targets that operate on the device through avrdude:" @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 targets:" @echo " *.s - create an assembly file from a *.c file"