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SPI: Add half-duplex support #2831

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SPI: Add half-duplex support #2831

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@outlandnish outlandnish commented Oct 11, 2025 •
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Summary

This PR fixes/implements the following bugs/features

  • Feature: Implement conditional GPIO configuration based on device mode and duplex setting
  • Breaking changes: begin and beginTransaction now return a boolean indicating if they succeeded
  • Breaking changes: spi_transfer_e returns a spi_status_e instead of void

Validation

  • [TODO]: Demonstrate the code is solid. [e.g. Provide a sketch]

@outlandnish outlandnish marked this pull request as draft October 11, 2025 11:39
@fpistm fpistm self-requested a review October 19, 2025 17:54
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