From ca88ace98d4bb751ac942b122c1a2006171fa1bd Mon Sep 17 00:00:00 2001
From: chemicstry <chemicstry@gmail.com>
Date: Fri, 18 Mar 2022 00:46:46 +0200
Subject: [PATCH] Reset peripherals on enable

---
 embassy-stm32/src/i2c/v1.rs    | 1 +
 embassy-stm32/src/i2c/v2.rs    | 1 +
 embassy-stm32/src/usart/mod.rs | 1 +
 3 files changed, 3 insertions(+)

diff --git a/embassy-stm32/src/i2c/v1.rs b/embassy-stm32/src/i2c/v1.rs
index f280187e5..e0b151142 100644
--- a/embassy-stm32/src/i2c/v1.rs
+++ b/embassy-stm32/src/i2c/v1.rs
@@ -32,6 +32,7 @@ impl<'d, T: Instance> I2c<'d, T> {
         unborrow!(scl, sda);
 
         T::enable();
+        T::reset();
 
         unsafe {
             scl.set_as_af(scl.af_num(), AFType::OutputOpenDrain);
diff --git a/embassy-stm32/src/i2c/v2.rs b/embassy-stm32/src/i2c/v2.rs
index 5e9de8fd3..f3714cbcb 100644
--- a/embassy-stm32/src/i2c/v2.rs
+++ b/embassy-stm32/src/i2c/v2.rs
@@ -53,6 +53,7 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
         unborrow!(irq, scl, sda, tx_dma, rx_dma);
 
         T::enable();
+        T::reset();
 
         unsafe {
             scl.set_as_af(scl.af_num(), AFType::OutputOpenDrain);
diff --git a/embassy-stm32/src/usart/mod.rs b/embassy-stm32/src/usart/mod.rs
index 0466065f1..caea8d71b 100644
--- a/embassy-stm32/src/usart/mod.rs
+++ b/embassy-stm32/src/usart/mod.rs
@@ -200,6 +200,7 @@ impl<'d, T: Instance, TxDma, RxDma> Uart<'d, T, TxDma, RxDma> {
         unborrow!(_inner, rx, tx, tx_dma, rx_dma);
 
         T::enable();
+        T::reset();
         let pclk_freq = T::frequency();
 
         // TODO: better calculation, including error checking and OVER8 if possible.