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ARM 7 TDMI

Jagath

Hello I am  new to this forum and new to Arm 7 programming.

My question is - I have a programming (I think it is a Flash) file in hex ,which I downloaded to Arm 7 MCU through Rlink usb tool to run the programme.

If I need to modify this programme how do I do this?

Thanks

Parents
  • +1

    There are two possible answers to your question...but it sounds like you have a lot of background on embedded development to make up!

    - If you have the source code, you can recompile the program and generate a new binary (hex) file which you  can then download.

    - If you don't have the source code, then it is obviously much harder and you are restricted just to changing a few instructions via the debugger. But that will only work if the program is running in RAM.

    Hope this helps.

    Chris

Reply
  • +1

    There are two possible answers to your question...but it sounds like you have a lot of background on embedded development to make up!

    - If you have the source code, you can recompile the program and generate a new binary (hex) file which you  can then download.

    - If you don't have the source code, then it is obviously much harder and you are restricted just to changing a few instructions via the debugger. But that will only work if the program is running in RAM.

    Hope this helps.

    Chris

Children