From 93dd21042ceadea114b01c40a250d33402672569 Mon Sep 17 00:00:00 2001
From: flippette <me@flippo.cc>
Date: Thu, 31 Oct 2024 22:14:11 +0200
Subject: [PATCH] Implement `embedded_io::Write` for `Uart<'d, T: Instance,
 Blocking>` (#3483)

* Implement `embedded_io::{Read,Write}` for `Uart<'d, T: Instance, Blocking>`

* Unimplement `embedded_io::Read` for `Uart<'d, T: Instance, Blocking>`

* Revert "Unimplement `embedded_io::Read` for `Uart<'d, T: Instance, Blocking>`"

* Unimplement `embedded_io::Read` for `Uart<'d, T: Instance, Blocking>` (take 2)
---
 embassy-rp/src/uart/mod.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/embassy-rp/src/uart/mod.rs b/embassy-rp/src/uart/mod.rs
index c94e5e185..ad98a46c7 100644
--- a/embassy-rp/src/uart/mod.rs
+++ b/embassy-rp/src/uart/mod.rs
@@ -1264,6 +1264,20 @@ impl<'d, T: Instance, M: Mode> embedded_hal_nb::serial::Write for Uart<'d, T, M>
     }
 }
 
+impl<'d, T: Instance> embedded_io::ErrorType for Uart<'d, T, Blocking> {
+    type Error = Error;
+}
+
+impl<'d, T: Instance> embedded_io::Write for Uart<'d, T, Blocking> {
+    fn write(&mut self, buf: &[u8]) -> Result<usize, Self::Error> {
+        self.blocking_write(buf).map(|_| buf.len())
+    }
+
+    fn flush(&mut self) -> Result<(), Self::Error> {
+        self.blocking_flush()
+    }
+}
+
 trait SealedMode {}
 
 trait SealedInstance {