From fda36fd81b25bac914e977654beecdb41aaabbb3 Mon Sep 17 00:00:00 2001
From: Patrick Oppenlander <patrick.oppenlander@gmail.com>
Date: Mon, 6 Feb 2023 10:12:10 +1100
Subject: [PATCH] stm32/usart: fix LPUART clock multiplier

According to RM0351 Rev 9 (L4) and RM0399 Rev 3 (H7):

baud = (256 * clock) / LPUARTDIV
---
 embassy-stm32/src/usart/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/embassy-stm32/src/usart/mod.rs b/embassy-stm32/src/usart/mod.rs
index 20f4eede..121699c7 100644
--- a/embassy-stm32/src/usart/mod.rs
+++ b/embassy-stm32/src/usart/mod.rs
@@ -1148,7 +1148,7 @@ macro_rules! impl_lpuart {
 
 foreach_interrupt!(
     ($inst:ident, lpuart, $block:ident, $signal_name:ident, $irq:ident) => {
-        impl_lpuart!($inst, $irq, 255);
+        impl_lpuart!($inst, $irq, 256);
     };
 
     ($inst:ident, usart, $block:ident, $signal_name:ident, $irq:ident) => {