rtc.c

433.92m无线模块的接收到有效数据后

#include<reg932.h>
#include<intrins.h>
int RTC_Timer_Counter;
void delay(int x)
{ int j=0;
while(x>=0)
{ for (j=0; j<1100; j++);
x--; }
}
void RTC_ISR() interrupt 10
{ RTC_Timer_Counter++;
if (RTCCON&0x80==0x80 )
{
RTCCON&=0x63; // RTC中断标志复位
if(RTC_Timer_Counter++>10)
{
P2=~P2;
RTC_Timer_Counter=0;
}
}
}
void main(void)
{
/*P0M1 = 0x00;
P0M2 = 0x00;
P1M1 = 0x20;
P1M2 = 0x00;
P2M1 = 0x00; // P2设为准双向口模式
P2M2 = 0x00;
P0 = 0xff;
P1 = 0xff;
P2 = 0xff;*/
RTCCON&=0xfe;
WDCON=0x00;
// DIVM=0x64;
AUXR1|=0x80; //降低时钟电路功耗.
RTCCON&=0x7F;
RTCH=0x0f;
RTCL=0xff;
RTCCON|=0x43;
EWDRT=1;
PCONA|= 0x7f; //关闭所有可以关闭的外设
P2=0xfe;
delay(100);
P2=0xff;
EA=1; //使能所有中断
PCONA|= 0x7f; //关闭RTC外的所有外设
PCON |= 0x23; //切换到完全掉电模式
_nop_();
_nop_();
while(1) {
PCONA|= 0x7f;
PCON |= 0x23; //切换到完全掉电模式
_nop_();
_nop_();
}
}