testsimpled.c

嵌入式测试程序！进行简单驱动程序编写！基于革新嵌入式平台！

#include<stdio.h>
#include<sys/ioctl.h>
#include<fcntl.h>
#include<unistd.h>
int main()
{
	int fd;
	int ret;
	char buf[10];
	
		fd=open("/dev/SimpleD",O_RDWR);
		if (fd<0)
		{
			printf("Open device SimpleD error\n");
		}
		else
		{
			printf("Open device SimpleD success\n");
		}
	getchar();
	ret=read(fd,buf,10);
	getchar();
	ret=write(fd,buf,10);
	getchar();
	ret=ioctl(fd,1,1);
	close(fd);
	printf("End of Test\n");
	return 0;
}