Hi Andrew, have you tried >>>>
http://www.piclist.org/techref/microchip/keymatrix.htm

>I expect this has probably been discused before.
>
>I am after ideas/code snippet really, my requirement is a fairly efficient

>keypad routine (I have seen a few very long ones), which is NOT interrupt
>driven.  My own bit of software will decide at what times it is appropriate
to
>scan the keypad.  My own software will have multiplexed display the time
>period between outputting new display data may be used for keypad
>debounced, so not worried about debounce, my bit of software will sort that

>aspect out.
>
>
>Really after ideas for subroutine that gets key value from a 4*4 keypad. (I

>will sort debounce and when to scan).
>
>Many thanks for any help that you give.
>
>Cheers
>
>Andrew Farrar

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