ds1302_set.c

arm-linux下DS1302实时时钟驱动源码

#include "rtc.h"
#include <stdio.h>
#include <fcntl.h>

int main()
{
	int rtc;
	struct rtc_time rtc_tm={0,40,23,5,0,107};
	printf("year:");
	scanf("%d",&(rtc_tm.tm_year));
	rtc_tm.tm_year-=1900;
	printf("month:");
	scanf("%d",&(rtc_tm.tm_mon));
	(rtc_tm.tm_mon)--;
	printf("day:");
	scanf("%d",&(rtc_tm.tm_mday));
	printf("hour:");
	scanf("%d",&(rtc_tm.tm_hour));
	printf("minute:");
	scanf("%d",&(rtc_tm.tm_min));
	printf("second:");
	scanf("%d",&(rtc_tm.tm_sec));
	rtc=open("/dev/ds1302",O_RDWR);
	ioctl(rtc,0x0a,&rtc_tm);
	ioctl(rtc,0x09,&rtc_tm);
	printf("rtc_time\t: %02d:%02d:%02d\n"
		"rtc_date\t: %04d-%02d-%02d\n",
		rtc_tm.tm_hour, rtc_tm.tm_min, rtc_tm.tm_sec,
		rtc_tm.tm_year + 1900, rtc_tm.tm_mon + 1, rtc_tm.tm_mday);
}