MODULE_NAME := ch349_driver
obj-m := $(MODULE_NAME).o

SRC_DIR := src
BUILD_DIR := build

KDIR := /lib/modules/$(shell uname -r)/build

$(MODULE_NAME)-objs := $(SRC_DIR)/ch349_driver.o

ccflags-y := -std=gnu11 -Wno-declaration-after-statement

.PHONY: all clean install uninstall

all:
	@mkdir -p $(BUILD_DIR)
	$(MAKE) -C $(KDIR) M=$(PWD) modules
	@mv $(MODULE_NAME).ko $(BUILD_DIR)/ 2>/dev/null || true
	@rm -f $(MODULE_NAME).o $(MODULE_NAME).mod.o $(MODULE_NAME).mod.c $(MODULE_NAME).mod
	@rm -f $(SRC_DIR)/*.o $(SRC_DIR)/.*.cmd $(SRC_DIR)/*.mod.c
	@rm -f modules.order Module.symvers .*.cmd
	@rm -rf .tmp_versions
	@echo "Module compiled: $(BUILD_DIR)/$(MODULE_NAME).ko"

clean:
	@rm -rf $(BUILD_DIR)
	@rm -f $(MODULE_NAME).o $(MODULE_NAME).ko $(MODULE_NAME).mod.o $(MODULE_NAME).mod.c $(MODULE_NAME).mod
	@rm -f $(SRC_DIR)/*.o $(SRC_DIR)/.*.cmd $(SRC_DIR)/*.mod.c
	@rm -f modules.order Module.symvers .*.cmd *.o *.ko
	@rm -rf .tmp_versions
	@echo "Cleaned"

install: all
	sudo insmod $(BUILD_DIR)/$(MODULE_NAME).ko
	@echo "Module loaded"

uninstall:
	sudo rmmod $(MODULE_NAME)
	@echo "Module unloaded"

# Pour générer compile_commands.json avec bear sans casser le build
bear:
	bear -- $(MAKE) clean all