From c6cf9b801d45f606dc0e900359f975cdc0c2711c Mon Sep 17 00:00:00 2001
From: xoviat <xoviat@gmail.com>
Date: Wed, 30 Dec 2020 12:27:47 -0600
Subject: [PATCH] minor rework to get tx working (maybe)
---
embassy-stm32f4/src/serial.rs | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/embassy-stm32f4/src/serial.rs b/embassy-stm32f4/src/serial.rs
index 599895100..eac11d31e 100644
--- a/embassy-stm32f4/src/serial.rs
+++ b/embassy-stm32f4/src/serial.rs
@@ -207,10 +207,9 @@ where
fn poll(self: core::pin::Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<()> {
let Self { uarte, tx_transfer } = unsafe { self.get_unchecked_mut() };
-
- if true {
- // tx_transfer.unwrap().is_done() {
- let (tx_stream, usart, buf, _) = tx_transfer.take().unwrap().free();
+ let mut taken = tx_transfer.take().unwrap();
+ if taken.is_done() {
+ let (tx_stream, usart, buf, _) = taken.free();
uarte.tx_stream.replace(tx_stream);
uarte.usart.replace(usart);
@@ -218,8 +217,6 @@ where
Poll::Ready(())
} else {
waker_interrupt!(DMA2_STREAM7, cx.waker().clone());
- // tx_transfer.take().start(|usart| {});
- let mut taken = tx_transfer.take().unwrap();
taken.start(|usart| {});
tx_transfer.replace(taken);