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internal interrupt and back key

 
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ahmad-al3omar



Joined: 25 May 2007
Posts: 16

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internal interrupt and back key
PostPosted: Fri Jun 08, 2007 1:35 am     Reply with quote
hello
how can i write an internal interrupt code which do subrotine when the key of the key pad is pressed , like reset key ;
and how can i make a back key in the keypad ,
thank you
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A.T.N
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Joined: 06 Sep 2003
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PostPosted: Fri Jun 08, 2007 12:33 pm     Reply with quote
Quote:

How can I write an internal interrupt code which do subroutine
when the key of the key pad is pressed ?

You can use the #INT_RB interrupts, on pins B4 to B7. Here's one
example:
http://www.ccsinfo.com/forum/viewtopic.php?t=19726

Quote:
Hw can Imake a back key in the keypad

You can use the '*' key as the backspace key. When that key is
pressed, send a backspace command to your display routine.
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