From 3d5c98e217b4bc6192863d8e09ecb98711d2b48a Mon Sep 17 00:00:00 2001
From: raiden00pl <raiden00pl@gmail.com>
Date: Sat, 22 Jul 2017 15:05:47 +0200
Subject: [PATCH] nucleo-f334r8: UART2 is default serial port (STLINK Virtual
 Port)

---
 configs/nucleo-f334r8/include/board.h | 9 +++++++--
 configs/nucleo-f334r8/nsh/defconfig   | 4 ++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/configs/nucleo-f334r8/include/board.h b/configs/nucleo-f334r8/include/board.h
index ecbb7eafef..0a12bef6e2 100644
--- a/configs/nucleo-f334r8/include/board.h
+++ b/configs/nucleo-f334r8/include/board.h
@@ -231,8 +231,13 @@
 
 /* USART */
 
-#define GPIO_USART2_RX GPIO_USART2_RX_2
-#define GPIO_USART2_TX GPIO_USART2_TX_2
+/* By default the USART2 is connected to STLINK Virtual COM Port:
+ * USART2_RX - PA3
+ * USART2_TX - PA4
+ */
+
+#define GPIO_USART2_RX GPIO_USART2_RX_1 /* PA3 */
+#define GPIO_USART2_TX GPIO_USART2_TX_1 /* PA4 */
 
 #define GPIO_USART1_RX GPIO_USART1_RX_1 /* PA10 */
 #define GPIO_USART1_TX GPIO_USART1_TX_1 /* PA9 */
diff --git a/configs/nucleo-f334r8/nsh/defconfig b/configs/nucleo-f334r8/nsh/defconfig
index 02c8547603..a28ba83314 100644
--- a/configs/nucleo-f334r8/nsh/defconfig
+++ b/configs/nucleo-f334r8/nsh/defconfig
@@ -91,11 +91,11 @@ CONFIG_START_YEAR=2011
 CONFIG_STM32_CCMEXCLUDE=y
 CONFIG_STM32_JTAG_SW_ENABLE=y
 CONFIG_STM32_PWR=y
-CONFIG_STM32_USART1=y
+CONFIG_STM32_USART2=y
 CONFIG_SYSLOG_NONE=y
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_TASK_SPAWN_DEFAULT_STACKSIZE=512
-CONFIG_USART1_SERIAL_CONSOLE=y
+CONFIG_USART2_SERIAL_CONSOLE=y
 CONFIG_USER_ENTRYPOINT="nsh_main"
 CONFIG_USERMAIN_STACKSIZE=1024
 CONFIG_WDOG_INTRESERVE=0