Add uart_loopback example.

Whilst testing it I fixed some UART driver bugs I found. I also re-synchronised RP235x and RP2040 UART drivers.
rp-rs · Aug 25, 2024 · 1f6251a · 1f6251a
1 parent 4a72df2
commit 1f6251a
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diff --git a/rp2040-hal-examples/Cargo.toml b/rp2040-hal-examples/Cargo.toml
@@ -22,6 +22,7 @@ dht-sensor = "0.2.1"
 embedded-alloc = "0.5.1"
 embedded-hal = "1.0.0"
 embedded-hal-async = "1.0.0"
+embedded-io = "0.6.1"
 embedded_hal_0_2 = {package = "embedded-hal", version = "0.2.5", features = ["unproven"]}
 fugit = "0.3.6"
 futures = {version = "0.3.30", default-features = false, features = ["async-await"]}