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Async API #635

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Async API #635

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jbeaurivage
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@jbeaurivage jbeaurivage commented Oct 24, 2022

Provide APIs to use some peripherals using async/await.

HAL features

One new feature is added to the HAL: async

MSRV

This PR bumps the HAL MSRV to rustc 1.75. However everything compiles on stable.

Peripherals implemented

  • Timer/Counter (TC)
  • I2C
  • UART
  • SPI
  • DMAC
  • GPIO interrupts (EIC)

Todo

  • Document everything
  • Find best API for interrupt ownership
  • Convert to new peripheral-feature system, especially brand new modules

Examples

Some examples are provided for feather_m0 (and a few for meteo_m4). Some more examples will be added in time, perhaps in a follow-up PR.

@jbeaurivage jbeaurivage marked this pull request as ready for review January 8, 2024 22:08
* Working async timer driver implementation for thumbv6m and thumbv7em targets
@@ -9,6 +9,6 @@ rustflags = [
# This is needed if your flash or ram addresses are not aligned to 0x10000 in memory.x
# See https://github.com/rust-embedded/cortex-m-quickstart/pull/95
"-C", "link-arg=--nmagic",

"-C", "link-arg=-Tdefmt.x", # uncomment if using defmt
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should this be commented out?


#[inline]
fn buffer_len(&self) -> usize {
1
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why 1?

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2 participants