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Help with CN Interrupt

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gilavar

Joined: 03 Mar 2009
Posts: 24

Help with CN Interrupt

Posted: Tue Mar 03, 2009 1:06 pm

I am new in CCS and C compilers in general and need some help. Currently I am running some project with PIC24FJ32GA002 and facing a strange problem setting-up interrupt on pin change.
At the top I have:

Code:

#pin_select INT1=PIN_B4

Somewhere below in initialization I have:

Code:

set_pullup(true,Pin_B4);
enable_interrupts(INTR_CN_PIN|Pin_B4);

To test this interrupt I am activating LED:

Code:

#INT_CNI
void Button()
{
B_LED = ~B_LED;
}

When I am trying to compile the code I am getting Error 27 for both lines were initializing Pin_B4 :

Quote:

“**** Expression must evaluate to a constant :: NOT a CN pin.”

Pin B4 is a CN1 pin.
Any help?

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