From c923fb3e12b61eb59e6baad8c8762d98fc401049 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mario=20H=C3=BCttel?= <mario.huettel@gmx.net>
Date: Mon, 24 Feb 2020 22:09:58 +0100
Subject: [PATCH] Add baudrate change function to uart driver

---
 stm-firmware/include/stm-periph/uart.h | 2 ++
 stm-firmware/stm-periph/uart.c         | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/stm-firmware/include/stm-periph/uart.h b/stm-firmware/include/stm-periph/uart.h
index b5c7c77..8fa856f 100644
--- a/stm-firmware/include/stm-periph/uart.h
+++ b/stm-firmware/include/stm-periph/uart.h
@@ -48,6 +48,8 @@ struct stm_uart {
 
 int uart_init(struct stm_uart *uart);
 
+void uart_change_brr(struct stm_uart *uart, uint32_t brr);
+
 void uart_disable(struct stm_uart *uart);
 
 void uart_send_char(struct stm_uart *uart, char c);
diff --git a/stm-firmware/stm-periph/uart.c b/stm-firmware/stm-periph/uart.c
index 5bc44b3..88e5cd0 100644
--- a/stm-firmware/stm-periph/uart.c
+++ b/stm-firmware/stm-periph/uart.c
@@ -86,6 +86,14 @@ int uart_init(struct stm_uart *uart)
 	return 0;
 }
 
+void uart_change_brr(struct stm_uart *uart, uint32_t brr)
+{
+	if (!uart || !uart->uart_dev)
+		return;
+
+	uart->uart_dev->BRR = brr;
+}
+
 void uart_disable(struct stm_uart *uart)
 {
 	if (!uart)