五 ARM9(S3C2440)的实时时钟(RTC)-理论知识及程序实例讲解

LED
rGPBDAT|=0x560;//4个LED全灭
RTC_Time_Set(0x11,0x08,0x06,0x06,0x10,0x00,0x00) ;//设置时间
RTC_Alm_Set(0x11,0x08,0x06,0x10,0x01,0x00);//设置闹钟时间按
OpenAlarm();
while(1)
{
if(beep==0)
{
rGPBDAT=0x01;//灯亮，蜂鸣器响
delay(1000);
rGPBDAT=0x561;//灯灭，实际是闪烁
delay(1000);
}
}
}