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Keypad connected to LPC922

Dear Colleages,
I would like to know who on earth has an example code of a 4x4 keypad connected to an LPC922 using only P0, and wants to share it wiht me, .
I wrote a piece of program and unfortunately it works very badly although the uVision simulator/debugger shows no problem.

Regards
OmarE

Parents
  • Quite a lot of professionals will give away free code - especially trivial code.

    However, most professionals will assume that a request for code to handle a 4x4 keyboard is for a school assignment, for the simple reason that about 97% of the requests for it really is for a school assignment.

    Hence, the people most likely to supply such code on request is people who takes it as a challenge to write such code, and then wants to propagate their master pieces.

Reply
  • Quite a lot of professionals will give away free code - especially trivial code.

    However, most professionals will assume that a request for code to handle a 4x4 keyboard is for a school assignment, for the simple reason that about 97% of the requests for it really is for a school assignment.

    Hence, the people most likely to supply such code on request is people who takes it as a challenge to write such code, and then wants to propagate their master pieces.

Children
  • However, most professionals will assume that a request for code to handle a 4x4 keyboard is for a school assignment, for the simple reason that about 97% of the requests for it really is for a school assignment.

    and no professional want to end up working with someone that graduated by copying instead of engineering. So any professional worth his salt will WANT you to fail your graduation if YOU are not able to do the project YOURSELF

    Erik