testbjdj.c

嵌入式得一些C语言程序和一些驱动得代码

#include<stdio.h>
#include<sys/ioctl.h>
#include<fcntl.h>
#include<unistd.h>
int main()
{
	int fd;
	int ret;
	int time=20000;
	char buf[10];
	
		fd=open("/dev/BJDJ",O_RDWR);
	if (fd<0)
		{
			printf("Open device BJDJ error\n");
		}
	else
		{
			printf("Open device BJDJ success\n");
		}

   while(1)
	{
	printf("++++++++++++++++++++++++++++++++++++++\n");
	printf("please select what to do:\n");
	printf("1 enter----zhengzhuan\n");
	printf("2 enter----fanzhuan\n");
	printf(" other means ESC\n");
	printf("++++++++++++++++++++++++++++++++++++++\n");
	scanf("%x",&ret);
	
	switch (ret)
	{
		case 0x1:
		{
			printf("zhengzhuan\n");
            ioctl(fd,0x07,time);
            ioctl(fd,0x0b,time);
            ioctl(fd,0x0d,time);
            ioctl(fd,0x0e,time);
			break;
		}
		case 0x2:
		{
			printf("fanzhuan\n");
            ioctl(fd,0x0e,time);
            ioctl(fd,0x0d,time);
            ioctl(fd,0x0b,time);
            ioctl(fd,0x07,time);
			break;
		}
		default:
			goto out;
	}
   }	
	
out:
	close(fd);
	printf("End of Test\n");
	return 0;
}