0051-RP2040-UART-baud-can-t-be-changed-at-runtime.patch

From 2c3482e2d00146be3b50fb2506ed7d029c8f298f Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Wed, 24 Mar 2021 11:55:51 +0100
Subject: [PATCH 051/204] RP2040: UART: baud can't be changed at runtime

---
 targets/TARGET_RASPBERRYPI/TARGET_RP2040/serial_api.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/targets/TARGET_RASPBERRYPI/TARGET_RP2040/serial_api.c b/targets/TARGET_RASPBERRYPI/TARGET_RP2040/serial_api.c
index 6a90e64323..8d95f6c2a3 100644
--- a/targets/TARGET_RASPBERRYPI/TARGET_RP2040/serial_api.c
+++ b/targets/TARGET_RASPBERRYPI/TARGET_RP2040/serial_api.c
@@ -76,7 +76,8 @@ void serial_free(serial_t *obj)
 void serial_baud(serial_t *obj, int baudrate)
 {
     obj->baud = (uint32_t)baudrate;
-    uart_set_baudrate(obj->dev, obj->baud);
+    uart_init(obj->dev, obj->baud);
+    uart_set_fifo_enabled(obj->dev, false);
 }
 
 void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits)
-- 
2.39.1