2 didit up down counter using 16F628A program errors


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  1. #1
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    Default Re: 2 didit up down counter using 16F628A program errors

    Hi guys its me again thanks for all the kind words really apricate it I have been going nuts I cannot get the chip programmed I have 3 types of programmers pickit3 mplab ICD2 and melabs usb none of them want to program the chip

    they all come up with device not found it says it dosent have power to the chip to be programed so I checked first with pickit3 yes no power at the connection site so I went into the programmer configure setup turned the power to device on checked voltage
    I had 5 volts went to program again same message checked no voltage again then I tried mplab ICD2 same thing made sure jumper was at 5v target same massage trying to program my melabs will let me program if the file was in hex so went to mplabs to convert to hex
    every time I try to build a file it gave me the message failed it said no source files present Im at wits end I was wondering if someone could supply me with a hex file of the program may be melabs will work if hex.
    Sorry guys for the complaining

  2. #2
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    Default Re: 2 didit up down counter using 16F628A program errors

    I have 3 types of programmers pickit3 mplab ICD2 and melabs usb none of them want to program the chip they all come up with device not found
    if none of your programmers can find the chip and its connected and powered correctly then that issue needs to be resolved before you can continue.
    there is no way forward with a dud setup or chip.


    Im at wits end I was wondering if someone could supply me with a hex file of the program
    you said
    used the mplab ver8.9 wizard this timeand lo and behold it worked.
    the result of that process is a HEX intel object code output file , that's all you need for any of your programmers
    you must have a hex file already , you just need to find and use it

    trying to program my melabs will let me program if the file was in hex so went to mplabs to convert to hex
    every time I try to build a file it gave me the message failed it said no source files present
    quite correctly, there is no such process as to convert an asm file to hex with melabs anything . the melabs pbp compiler produces a intel hex object file from pbp code
    of which you have none of. the melabs programmer is perfectly happy to use the hex files produced by mplab, mpasm, mpasmwin or mplabx





    Warning I'm not a teacher

  3. #3
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    Default Re: 2 didit up down counter using 16F628A program errors

    Ray,

    you said that the hex file worked! Then you ask for a hex that works. You already have that hex file.

    First you need to find why all three programmers will not connect to your chip.

    1. Maybe the chip is fried?

    2. Are you sure the connections are correct?

    3. Are you sure you have the correct chip for the specific hex file?

    Ioannis

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