Makefile

MCU  = stm8s003f3
ARCH = stm8

F_CPU   ?= 16000000
TARGET  ?= firmware.ihx

SRCS    := $(wildcard *.c)
ASRCS   := $(wildcard *.s)

OBJS     = $(SRCS:.c=.rel)
OBJS    += $(ASRCS:.s=.rel)

CC       = sdcc
LD       = sdld
AS       = sdasstm8
OBJCOPY  = sdobjcopy
ASFLAGS  = -plosgff
CFLAGS   = -m$(ARCH) -p$(MCU) --std-sdcc11 --opt-code-size
CFLAGS  += -DF_CPU=$(F_CPU)UL -Iinclude
CFLAGS  += --stack-auto --noinduction --use-non-free
LDFLAGS  = -m$(ARCH) -l$(ARCH) --out-fmt-ihx

all: $(TARGET) size

$(TARGET): $(OBJS)
	$(CC) $(LDFLAGS) $(OBJS) -o $@

%.rel: %.c
	$(CC) $(CFLAGS) $(INCLUDE) -c $< -o $@

%.rel: %.s
	$(AS) $(ASFLAGS) $<

size:
	@$(OBJCOPY) -I ihex --output-target=binary $(TARGET) $(TARGET).bin
	@echo "----------"
	@echo "Image size:"
	@stat -L -c %s $(TARGET).bin

flash: $(TARGET)
	stm8flash -c stlinkv2 -p $(MCU) -w $(TARGET)

opt:
	stm8flash -c stlinkv2 -p $(MCU) -s opt -w opt.dat

serial: $(TARGET)
	stm8gal -p /dev/ttyUSB0 -w $(TARGET)

clean:
	rm -f *.map *.asm *.rel *.ihx *.o *.sym *.lk *.lst *.rst *.cdb *.bin

.PHONY: clean all flash opt