patchAVR Downloader/UploaDEr - Patches: patch #9320, fix TPI RESET in bitbang.c


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patch #9320: fix TPI RESET in bitbang.c

Submitted by:  David Mosberger-Tang <dmosberger>
Submitted on:  Thu 27 Apr 2017 05:05:49 PM UTC  
Category:  None Priority:  5 - Normal
Status:  None Privacy:  Public
Assigned to:  None Open/Closed:  Open

Thu 27 Apr 2017 05:05:49 PM UTC, original submission:  

RESET needs to be low before doing the MOSI/MISO link check.  Otherwise, the chip may be running a program that outputs values on the TPIDATA pin and that could cause the MOSI/MISO link check to fail.

Also increase RESET assertion time to 128ms (worst-case specified in the ATtiny9 datasheet).

David Mosberger-Tang <dmosberger>


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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2017-04-27 dmosberger Attached File- => Added avrdude-bitbang-reset-fix.diff, #40520

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