Current thinking on USB bootloader - Page 2


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Thread: Current thinking on USB bootloader69 days old

  1. #11
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    Default Re: Current thinking on USB bootloader

    No wonder I am confused, I just found the answer to one of my problems here:-

    http://www.protonbasic.co.uk/showthr...d-IDE-Hex-view

    And Here:-

    http://www.protonbasic.co.uk/showthr..._start_address.



    I spent ages trying to find out why the HEX viewer and Johns EXE was showing the wrong start address for the LED demo and could not find any information about declaring the start address in the help file.

    Using the USB stack for the bootloader uses up to about $0C80 or with an LCD added to aid debugging $0EC0

    If anything less is declared as the starting address the compiler throws up an error about overwriting a previous address, which is good.

    My RAM is failing

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    Default Re: Current thinking on USB bootloader

    Well at last I have a working boot loader for the 18F25K50 that will compile under version 3.7.2.1, though it still needs some work.

    It's not as neat as Tim's original and I still have to discover why using pointers corrupted the saved data but I now have a workaround.
    My RAM is failing

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