reflect bitrate change of uart in uart struct

Add baudrate change function to uart driver
2020-02-24 22:15:36 +01:00 · 2020-02-24 22:09:58 +01:00
2 changed files with 11 additions and 0 deletions
--- 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);
--- a/stm-firmware/stm-periph/uart.c
+++ b/stm-firmware/stm-periph/uart.c
@ -86,6 +86,15 @@ 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->brr_val = brr;
+	uart->uart_dev->BRR = brr;
+}
+
 void uart_disable(struct stm_uart *uart)
 {
 	if (!uart)
Author	SHA1	Message	Date
Mario Hüttel	71e2073a76	reflect bitrate change of uart in uart struct	2020-02-24 22:15:36 +01:00
Mario Hüttel	c923fb3e12	Add baudrate change function to uart driver	2020-02-24 22:09:58 +01:00