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Add Full-duplex serial driver for ARM boards #9842

Merged
merged 12 commits into from
May 27, 2021
Merged

Add Full-duplex serial driver for ARM boards #9842

merged 12 commits into from
May 27, 2021

Commits on Apr 20, 2021

  1. Add duplex serial usart driver 

    * Uses usart TX and RX pins for duplex communication
* Uses chibios dma enabled usart driver with blocking api
    @KarlK90
    KarlK90 committed Apr 20, 2021
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  2. Add Full-duplex driver to docs

    @KarlK90
    KarlK90 committed Apr 20, 2021
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  3. Update Serial Usart Duplex Driver 

    * Use Master / Slave Terminology until qmk_firmware/issues/9376 is decided
* Enable usart rx tx pin swap using SERIAL_USART_PIN_SWAP define
* Use SERIAL_USART_TX_PIN and SERIAL_USART_RX_PIN instead of SOFT_SERIAL_PIN
    @KarlK90
    KarlK90 committed Apr 20, 2021
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  4. Update Serial Usart Driver Docs 

    * Use Master / Slave Terminology until qmk_firmware/issues/9376 is decided
* Add note about usart rx tx pin swap using SERIAL_USART_PIN_SWAP
    @KarlK90
    KarlK90 committed Apr 20, 2021
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  5. Update Docs, Handle Alternate Function for recent MCUs

    @KarlK90
    KarlK90 committed Apr 20, 2021
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  6. Use usart interrupt for handshake handling 

    This should prevent missed handshakes and improve the overall performance,
as the receiving thread is only awoken when there is a handshake to process.
    @KarlK90
    KarlK90 committed Apr 20, 2021
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  7. Add AFIO remap setting, merge pin tables for same MCUs

    @KarlK90
    KarlK90 committed Apr 20, 2021
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  8. Fix null deference on rxchar callback 

    The callback was set on both target and initiator,
but the target thread tp_target was only created on the slave halve. On receiving a sporious interrupt the master
halve try to signal tp_target dereferencing a null pointer.
    @KarlK90
    KarlK90 committed Apr 20, 2021
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  9. Extract shared serial configs to serial_usart.h

    @KarlK90
    KarlK90 committed Apr 20, 2021
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Commits on Apr 22, 2021

  1. Correctly set pin swap bit in CR2

    @KarlK90
    KarlK90 committed Apr 22, 2021
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Commits on May 3, 2021

  1. Apply code review

    @KarlK90
    KarlK90 committed May 3, 2021
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Commits on May 22, 2021

  1. Update pull-up resistor wording

    @KarlK90
    KarlK90 authored May 22, 2021
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