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PIC18F doesn't wake up by ECCP1

 
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E_Blue



Joined: 13 Apr 2011
Posts: 417

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PIC18F doesn't wake up by ECCP1
PostPosted: Wed Jun 01, 2016 9:11 am     Reply with quote
I'm trying to make a code for a delay that put the µC in to sleep mode while is waiting for CCP1 event but I can get that the CCP1IF flag get set.

Is something very basic, I don't understand what I'm doing wrong.

Code:
void delay_1msSL(long timeX)
{
   if(timeX>2047)
   {
      timeX=2047;
   }
      
   if(!TMR1ON)
   {
      SETUP_TIMER_1(0b10001111);//Crystal 32.768KHz     
   }
   IDLEN=1;//Idle mode - Only peripherals run
   DISABLE_INTERRUPTS(GLOBAL);
   //CCP1
   CCP_1=32*timeX;
   SETUP_CCP1(CCP_COMPARE_INT);
   CLEAR_INTERRUPT(INT_CCP1);
   ENABLE_INTERRUPTS(INT_CCP1);
   
   do{
   #asm
   sleep
   #endasm   
   }while(!interrupt_active(INT_CCP1));
   
   CLEAR_INTERRUPT(INT_CCP1);
}


Another doubt is If the GLOBAL interrupt enable bit is disabled, and the CCP1 flag is set, the µC will wake up?

The µC is a PIC18F67J50
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Electric Blue
E_Blue



Joined: 13 Apr 2011
Posts: 417

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PostPosted: Wed Jun 01, 2016 11:41 am     Reply with quote
Solved, the problem was that the TMR1 was not in synchronized mode, now works like a charm.
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