ARCH ?= arm
CROSS_COMPILE ?= /home/jzh/work/study/weidongshan/100ask_stm32mp157_pro-sdk/ToolChain/arm-buildroot-linux-gnueabihf_sdk-buildroot/bin/arm-linux-
KERN_DIR ?= /home/jzh/work/study/weidongshan/100ask_stm32mp157_pro-sdk/Linux-5.4

all:
	make -C $(KERN_DIR) M=`pwd` ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) modules
	$(CROSS_COMPILE)gcc -o led_app led_app.c

clean:
	make -C $(KERN_DIR) M=`pwd` ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) modules clean
	rm -rf modules.order
	rm -f led_app

obj-m	+= led_driver.o