#include <stdio.h>#include <string.h>#include <malloc.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <unistd.h>#include <signal.h>static void Delay(int);int main(void){	int fd,count;	int i=3;    unsigned long rgcon;	if((fd=open("/dev/leddrv",O_RDWR))==-1)		{		perror("open error");		exit(1);		}	rgcon=(unsigned int)(1<<14)|(unsigned int)(1<<23);	while(i--){    		if((count=write(fd,(char *)&rgcon,4))!=4)			{			perror("write1 error");			exit(1);			}		Delay(100);		}			close(fd);	return 0;}static void Delay(int x){	int i,j,k;	for(i=0;i<x;i++)		for(j=0;j<0xff;j++)			for(k=0;k<0xff;k++);}