Makefile

ifneq ($(KERNELRELEASE),)
obj-m   := airsensor.o

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

default:
        $(MAKE) -C $(KDIR) M=$(PWD) modules
endif

load:
        sudo insmod airsensor.ko
unload:
        sudo rmmod airsensor.ko