rules.mk

CFLAGS += $(INCLUDES) $(DEFINES)

OBJS = $(addprefix $(BUILD)/, $(notdir %/$(subst .c,.o, $(SRCS))))

SUBMODULES = tinyusb

COBRA = cobra -f

ifndef EMSCRIPTEN

ifeq ($(DFU), 1)
all: $(BUILD)/$(BIN).elf $(BUILD)/$(BIN).hex $(BUILD)/$(BIN).bin $(BUILD)/$(BIN).dfu size
else
all: $(BUILD)/$(BIN).elf $(BUILD)/$(BIN).hex $(BUILD)/$(BIN).bin $(BUILD)/$(BIN).uf2 size
endif

endif

$(BUILD)/$(BIN).elf: $(OBJS)
	@echo LD $@
	@$(CC) $(LDFLAGS) $(OBJS) $(LIBS) -o $@

$(BUILD)/$(BIN).hex: $(BUILD)/$(BIN).elf
	@echo OBJCOPY $@
	@$(OBJCOPY) -O ihex $^ $@

$(BUILD)/$(BIN).bin: $(BUILD)/$(BIN).elf
	@echo OBJCOPY $@
	@$(OBJCOPY) -O binary $^ $@

ifeq ($(CHIP),samd51)
$(BUILD)/$(BIN).uf2: $(BUILD)/$(BIN).bin
	@echo UF2CONV $@
	@$(UF2) $^ -b0x4000 -co $@
else
$(BUILD)/$(BIN).uf2: $(BUILD)/$(BIN).bin
	@echo UF2CONV $@
	@$(UF2) $^ -co $@
endif

$(BUILD)/$(BIN).dfu: $(BUILD)/$(BIN).elf
	@echo DFUCONV $@
	@$(DFU_CONV) $^ $@

.phony: $(SUBMODULES)
$(SUBMODULES):
	:

# 	git submodule update --init

ifeq ($(DFU), 1)
install:
	@$(DFU_UTIL) -D $(BUILD)/$(BIN).dfu
	@echo "\033[0;97m\033[1mRemember to press RESET to run the newly installed code!\033[0m"
else
install:
	@$(UF2) -D $(BUILD)/$(BIN).uf2
endif


$(BUILD)/%.o: | $(SUBMODULES) directory
	@echo CC $@
	@$(CC) $(CFLAGS) $(filter %/$(subst .o,.c,$(notdir $@)), $(SRCS)) -c -o $@

directory:
	@$(MKDIR) -p $(BUILD)

size: $(BUILD)/$(BIN).elf
	@echo size:
	@$(SIZE) -t $^

clean:
	@echo clean
	@-rm -rf $(BUILD)

analyze:
	@$(COBRA) basic $(INCLUDES) $(DEFINES) $(SRCS)

DEPFILES := $(SRCS:%.c=$(BUILD)/%.d)

-include $(wildcard $(DEPFILES))