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async_spi: SPI transfers for asyncio - #11489

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lynt-smitka wants to merge 27 commits into

adafruit:mainfrom

MakerClassCZ:async-spi

Open

async_spi: SPI transfers for asyncio#11489
lynt-smitka wants to merge 27 commits into
adafruit:mainfrom
MakerClassCZ:async-spi

Commits on Oct 8, 2026
- shared/runtime: add buffer_slice() and use it in busio.SPI
  lynt-smitka
  committed
  c1d61d2
- raspberrypi: move the SPI driver to peripherals/spi.c
  lynt-smitka
  committed
  4719ff9
- raspberrypi: async SPI reads, full-duplex transfers, stop and configure
  lynt-smitka
  committed
  36f48d0
- Add awaitable C functions
  lynt-smitka
  committed
  4775be0
- async_spi: SPI transfers for asyncio
  
  lynt-smitka
  and
  kamocat
  committed
  457f592
- busio: reuse async_spi's argument tables
  lynt-smitka
  committed
  4f18be7
- zephyr-cp: async_spi
  lynt-smitka
  committed
  8bbdf9b
- async_spi: report Zephyr transfer errors, wait without background tasks
  lynt-smitka
  committed
  7e32dae
Commits on Oct 9, 2026
- busio: keep the SPI constructor's argument table under CIRCUITPY_BUSIO_SPI
  lynt-smitka
  committed
  9aaf7f5
Commits on Oct 12, 2026
Commits on Oct 14, 2026
Commits on Oct 15, 2026
- build: one flag, CIRCUITPY_ASYNC_SPI, for a port with async SPI
  lynt-smitka
  committed
  b3d34bd
- build: pick busio/SPI.c's home through the source lists
  lynt-smitka
  committed
  2e3aa3e
- busio: a blocking SPI call stops on Ctrl-C
  lynt-smitka
  committed
  271634b
- raspberrypi: the SPI driver lives in common-hal/async_spi
  lynt-smitka
  committed
  5f96f7b
- async_spi: configure() is a plain call
  lynt-smitka
  committed
  a892673
Commits on Oct 16, 2026
- async_spi: a lock for the bus, held with `async with spi.lock:`
  lynt-smitka
  committed
  4dba4c1