rtcc中断为什么进不去，其他的都正常

只看该作者 · 2015-10-27 09:22

#pragma interrupt InterruptHandlerHigh
void InterruptHandlerHigh (void)
{
   PIR3bits.RTCCIF=0;
   read();
}

#pragma code high_vector =0x0008
void InterruptVectorHigh (void)
{
   _asm
   GOTO InterruptHandlerHigh
   _endasm

}
#pragma code
void main(void)
{
      //unsigned int i;
      OSCCONbits.SCS = 3;
      OSCCONbits.IRCF = 7;
OSCTUNEbits.PLLEN = 1;                         //定义使用内部振荡器

TRISAbits.TRISA5 = 0;
DSCONHbits.RTCWDIS = 0;
      ANCON0 = 0XFF;
      ANCON1 = 0X1F;
      T1CONbits.T1OSCEN = 1;
      RTCC_Init();

      PIR3bits.RTCCIF = 0;
      PIE3bits.RTCCIE = 1;
      IPR3bits.RTCCIP = 1;

      while(1)
      {

      }
}

void unlock(void)
{
      _asm movlb 0x0F _endasm
      INTCONbits.GIE = 0;
      EECON2 = 0X55;
      EECON2 = 0XAA;
RTCCFGbits.RTCWREN = 1;
}
void setALARM(void)
{
      unsigned int t;
      unlock();
      ALRMCFGbits.ALRMEN = 0;
      while(RTCCFGbits.RTCSYNC==1);

      ALRMCFG |= 0x02;

      ALRMVALL=0X01; //day  11日
      ALRMVALH=0X01; //month 12月

      ALRMVALL=0X00; //hour 14时
      ALRMVALH=0X05;    //weekday 星期五

      ALRMVALL=0X00; //second  59秒
      ALRMVALH=0X00; //minute  39分

      ALRMCFG |= 0x02;

      alarm.day = ALRMVALL;
      alarm.month = ALRMVALH;

      alarm.hour = ALRMVALL;
      alarm.week = ALRMVALH;

      alarm.seconds = ALRMVALL;
      alarm.minutes = ALRMVALH;
      RTCCFGbits.RTCEN = 1;
      RTCCFGbits.RTCWREN = 0;
}
void setRTCCtime(void)
{
      unlock();
      RTCCFGbits.RTCEN = 0;
      ALRMCFGbits.ALRMEN = 0;
      ALRMCFGbits.AMASK = 0;
      ALRMRPT = 0;
      ALRMCFGbits.CHIME = 1;
      PADCFG1 = 0X00;
      RTCCFG |= 0x03;
      RTCVALL=0X15; //year 0x
      RTCVALH=0X0;

      RTCVALL=0X31; //day
      RTCVALH=0X12; //month

      RTCVALL=0X23; //hour
      RTCVALH=0X04; //weekday

      RTCVALL=0X58; //second
      RTCVALH=0X59; //min 0x

      RTCCFGbits.RTCOE = 0;
      ALRMCFGbits.ALRMEN = 1;
      RTCCFGbits.RTCWREN = 0;
}

void RTCC_Init(void)
{
      setRTCCtime();

      setALARM();

}

为什么中断进不去呢，求高手来看一下，时钟正常，alarm寄存器也写入了，就是在中断进不去？为什么？

只看该作者 · 2015-10-27 13:02

需要配置PEIE = 1;