Easy skimask, Down boy, Down!
Let me take this one ...
I'm always skeptical when someone Cut&Pastes their entire program into a Post.
And, the one thing that points out a definate cause of the described problem suddenly turns into a "typo".
In the middle of a Cut&Paste? Come on!
See, I can do it too.
Ok well, my advice is to dump the keypad routine, and use this...
Matrix Keypad routine (mister_e)
http://www.picbasic.co.uk/forum/showthread.php?t=3250
Then take a look here...
How to make your own PIC network (mister_e)
http://www.picbasic.co.uk/forum/showthread.php?p=5708
Not exactly what you are doing, but the concepts are the same. Just 2 PIC's instead of many.
<br>
DT
The output my program right now when i display on the lcd is
ENTER POLARITY
1)+ 2)- 0(this zero should be number that is pressed on the keypad)
Well, I'm guessing that he's using one of them thar 17C756, or maybe not. I can't tell.
And I'm also guessing that he's using a bunch of switches, maybe even, dare I say, a telephone keypad, probably without any pullup or pulldown resistors (although there are ways around that). Again, I can't tell.
And I'm betting that the search function hasn't been used much, 'cause there's a lot of info out there on connecting 2 PICs together and using a matrix style keypad. I'm at a loss...
Oh, and I've got this car, it's making this noise. Can you help?
Back at ya...
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