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unable wake up from sleep by external interrupt

 
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YASU



Joined: 18 Mar 2010
Posts: 7

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unable wake up from sleep by external interrupt
PostPosted: Thu Mar 25, 2010 12:29 pm     Reply with quote
Now I have some program about waking up from sleep mode.

It seems to be remained under sleep mode and could not wake up from sleep correctly.

On the debugger, under sleep mode, by interrupt program will start again.
But after woke up from
sleep();
the program return to beginning of main()
not restarting from the next of sleep();

On the Flash program,
No interrupt seems to be occurred and program remain in sleep mode.

I don't know the difference between debugger and flash.
And I would like to know how to wake up from sleep correctly.


Device : PIC16LF1937
MPLAB version : 8.46
PCM version : 4.104

And code is as following.
Code:

      if(Status == FALSE )
      {
         disable_interrupts( INT_TIMER0 );
         enable_interrupts( INT_RB0 );
         enable_interrupts( INT_RB1 );
         enable_interrupts( INT_RB2 );
         enable_interrupts( INT_RB5 );
         enable_interrupts( INT_RB6 );
         enable_interrupts( INT_RB7 );

         sleep();
         
         disable_interrupts( INT_RB0 );
         disable_interrupts( INT_RB1 );
         disable_interrupts( INT_RB2 );
         disable_interrupts( INT_RB5 );
         disable_interrupts( INT_RB6 );
         disable_interrupts( INT_RB7 );
         enable_interrupts( INT_TIMER0 );
      }
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