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PIC24FJ input change notification interrupt

 
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tomcuga



Joined: 12 Jul 2007
Posts: 15

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PIC24FJ input change notification interrupt
PostPosted: Fri Mar 05, 2010 1:43 pm     Reply with quote
Hello,
Can someone please help me with ISR routine for input change
notification interrupt on PIC24FJ256GB110?

I found the following constants in .h file:
Code:

#define INT_CNI        84
#define INTR_CN_PIN    0x8000  // or in a PIN_xx constant

but I don't know how to use them. I want CN interrupt on pin CN79.
How should I define ISR handler routine and how should I call
enable_interrupts(something) function?
Thanks for any help!
pmaechler



Joined: 23 Mar 2010
Posts: 1
Location: Melbourne

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Change Notification Interrupt PIC24
PostPosted: Mon Apr 12, 2010 6:41 pm     Reply with quote
Hi

Use following expression to enable the interrupt pin:

enable_interrupts(INTR_CN_PIN|Pin_B0);

and define the interrupt routine after #int_cni

that should work...
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