rotary swith

Discussion in 'VHDL' started by martstev@gmail.com, Aug 24, 2006.

  1. Guest

    I have a rotary switch (mutli pole / multi positions). I want to
    utilize 10 postions say A thru J. All 10 positions are input to my
    FPGA. Based on this input..i want to generate different PRI signal.
    i.e Input A PRI= 30us
    B PRI = 35.8 us
    C PRI = 45 us etc.
    all PW are same (for this experiment atleast)
    I have a clock and reset input.

    My questions are:

    1) I am going to use 10 line BCD to 4 line Decimal conversion for my
    inputs. Do I need to add more logic for debouce??

    2) When I change my input say from C to A using switch, I would like to
    wait for a second (or some have some delay) and then gerate the PRI for
    input A. How can I implement that?

    Please help!

    Thanks
    Martin
    , Aug 24, 2006
    #1
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