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fix(MiscDrivers): Fix Blank MAX78000EVKIT TFT Display #979

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merged 1 commit into from
Apr 16, 2024

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@Jake-Carter Jake-Carter commented Apr 3, 2024

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Description

After #880, @aniktash reported the TFT on the MAX78000EVKIT was broken/blank. None of the demos were working.

It turns out that the driver simply did not initialize the vddioh member of an internal struct describing the SPI pins, so it was initialized to a random undefined value and optimized out by the compiler. The SPI pins then got initialized to 1.8V instead of 3.3V.

After this fix, all the TFT-based demos should be working again.

Checklist Before Requesting Review

  • PR Title follows correct guidelines.
  • Description of changes and all other relevant information.
  • (Optional) Link any related GitHub issues using a keyword
  • (Optional) Provide info on any relevant functional testing/validation. For API changes or significant features, this is not optional.

@Jake-Carter Jake-Carter marked this pull request as ready for review April 3, 2024 23:20
@Jake-Carter Jake-Carter added the MAX78000 Related to the MAX78000 (AI85) label Apr 3, 2024
@github-actions github-actions bot removed the MAX78000 Related to the MAX78000 (AI85) label Apr 4, 2024
@Jake-Carter Jake-Carter merged commit aad12c7 into analogdevicesinc:main Apr 16, 2024
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@Jake-Carter Jake-Carter deleted the fix/ai85-tft branch April 16, 2024 19:57
EricB-ADI pushed a commit that referenced this pull request Aug 21, 2024
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2 participants