Makefile.include

#######################################################

# toolchain
CC = sdcc
OBJCOPY = objcopy
PACK_HEX = packihx
WCHISP ?= wchisptool -g -f

#######################################################

FREQ_SYS ?= 24000000

XRAM_SIZE ?= 0x0400

XRAM_LOC ?= 0x0000

CODE_SIZE ?= 0x3800

ROOT_DIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))

OBJDIR = ./build


OBJECTS = \
$(OBJDIR)/debug.rel \
$(OBJDIR)/usb_gamepad.rel \
$(OBJDIR)/usb_host.rel


CFLAGS := -V -mmcs51 --model-small --stack-auto \
	--xram-size $(XRAM_SIZE) --xram-loc $(XRAM_LOC) \
	--code-size $(CODE_SIZE) \
	-I/ -DFREQ_SYS=$(FREQ_SYS) \
	$(EXTRA_FLAGS)

LFLAGS := $(CFLAGS)

RELS := $(C_FILES:.c=.rel)

print-%  : ; @echo $* = $($*)


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

$(OBJDIR)/$(TARGET).ihx: $(OBJECTS)
	$(CC) $(OBJECTS) $(LFLAGS) -o $(OBJDIR)/$(TARGET).ihx

$(OBJDIR)/$(TARGET).hex: $(OBJDIR)/$(TARGET).ihx
	$(PACK_HEX) $(OBJDIR)/$(TARGET).ihx > $(OBJDIR)/$(TARGET).hex

$(OBJDIR)/$(TARGET).bin: $(OBJDIR)/$(TARGET).ihx
	$(OBJCOPY) -I ihex -O binary $(OBJDIR)/$(TARGET).ihx $(OBJDIR)/$(TARGET).bin


flash: $(OBJDIR)/$(TARGET).bin
	$(WCHISP) -f $(OBJDIR)/$(TARGET).bin -g

.DEFAULT_GOAL := all

directories:
	@mkdir -p $(OBJDIR)

all:  directories $(OBJDIR)/$(TARGET).bin $(OBJDIR)/$(TARGET).hex


clean:
	rm -f $(OBJDIR)/*