嵌入式系统综合实验一

o_exit);MODULE_AUTHOR("hyg");MODULE_DESCRIPTION("BUTTONLEDDriver");MODULE_LICENSE("GPL");2.应用程序demo.c#include<stdio.h>#include<stdlib.h>#include<unistd.h>#include<sys/types.h>#include<sys/ioctl.h>#include<sys/time.h>#include<sys/ioctl.h>#include<errno.h>#include<fcntl.h>structgpio_config{    intbutton_num;    intout_num;    intled_num;    intled1_num;    inthumidity;    inttemperature;};intmain(intargc,char**argv){    intfd;    floath;    floatt;    structgpio_configconfig;    config.button_num=26;//人体感应传感器引脚    config.led_num=3;//led引脚    config.out_num=5;//dht11引脚    config.led1_num=6;//未使用    config.humidity=0;//湿度    config.temperature=0;//温度    fd=open("/dev/Demo",O_RDWR);    if(fd<0){        perror("/dev/Demo");        exit(0);    }    ioctl(fd,0,&config);//分配引脚传入内核态    while(1)    {