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embassy-rp: async i2c implementation

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This is an interrupt-driven async i2c master implementation. It makes as
best use of the RP2040's i2c block's fifos as possible to minimize
interrupts.

It implements embedded_hal_async::i2c for easy interop.
WIP async impl
This commit is contained in:
Jeremy Fitzhardinge
2022-09-28 01:20:04 -07:00
parent 72b645b0c9
commit 5e2c52ee5b
2 changed files with 369 additions and 10 deletions
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3
examples/rp/Cargo.toml
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@ -30,3 +30,6 @@ embedded-hal-1 = { package = "embedded-hal", version = "1.0.0-alpha.8" }
embedded-hal-async = { version = "0.1.0-alpha.1" }
embedded-io = { version = "0.3.0", features = ["async", "defmt"] }
static_cell = "1.0.0"
[profile.release]
debug = true