bus: Adding AtomicDevice for I2C and SPI bus sharing in multiple interrupt contexts - Githubissues

rust-embedded / embedded-hal

A Hardware Abstraction Layer (HAL) for embedded systems

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bus: Adding AtomicDevice for I2C and SPI bus sharing in multiple interrupt contexts #593

Closed Dirbaio closed 5 months ago

Dirbaio commented 5 months ago

based on #579 by @ryan-summers.

Squashed
Use a global busy flag for the whole bus, not one per device (soundness fix)
Expand docs a bit.

commits:

Adding AtomicDevice for I2C bus sharing
bus: make AtomicDevice use a per-bus "busy" flag, not per-device.
bus: expand docs for AtomicDevice a bit.