From d9ecb4ab057482cbe399d40a2ef9ad847d815c8d Mon Sep 17 00:00:00 2001
From: Joshua Salzedo <joshuasalzedo@gmail.com>
Date: Thu, 1 Apr 2021 17:03:55 -0700
Subject: [PATCH] Reborrow serial and demonstrate using it twice.

---
 embassy-stm32-examples/src/bin/serial.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/embassy-stm32-examples/src/bin/serial.rs b/embassy-stm32-examples/src/bin/serial.rs
index c10f74a36..fb8dec00f 100644
--- a/embassy-stm32-examples/src/bin/serial.rs
+++ b/embassy-stm32-examples/src/bin/serial.rs
@@ -12,7 +12,7 @@ use example_common::{panic, *};
 use cortex_m::singleton;
 use cortex_m_rt::entry;
 use embassy::executor::{Executor, Spawner};
-use embassy::traits::uart::{Read, Write};
+use embassy::traits::uart::{Read, Write, ReadUntilIdle};
 use embassy::util::Forever;
 use embassy_stm32::interrupt;
 use embassy_stm32::serial;
@@ -75,5 +75,6 @@ async fn main(spawner: Spawner) {
     let buf = singleton!(: [u8; 30] = [0; 30]).unwrap();
 
     buf[5] = 0x01;
-    serial.write(buf).await.unwrap();
+    serial.as_mut().write(buf).await.unwrap();
+    serial.as_mut().read_until_idle(buf);
 }