From e622ef3aec4fe36d6348a3e746823dadc213979b Mon Sep 17 00:00:00 2001
From: xiaoxiaolisunny <88809599+xiaoxiaolisunny@users.noreply.github.com>
Date: Wed, 8 Jun 2022 23:29:32 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0USART1/2/3=E7=9A=84=E7=AE=A1?=
 =?UTF-8?q?=E8=84=9A=E9=85=8D=E7=BD=AE=E6=93=8D=E4=BD=9C=20(#6039)?=
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---
 .../board/board_config.c                      | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/bsp/hc32/ev_hc32f460_lqfp100_v2/board/board_config.c b/bsp/hc32/ev_hc32f460_lqfp100_v2/board/board_config.c
index 50cb97e85f..4870eedd43 100644
--- a/bsp/hc32/ev_hc32f460_lqfp100_v2/board/board_config.c
+++ b/bsp/hc32/ev_hc32f460_lqfp100_v2/board/board_config.c
@@ -23,6 +23,27 @@ rt_err_t rt_hw_board_uart_init(CM_USART_TypeDef *USARTx)
 
     switch ((rt_uint32_t)USARTx)
     {
+#if defined(BSP_USING_UART1)
+    case (rt_uint32_t)CM_USART1:
+        /* Configure USART RX/TX pin. */
+        GPIO_SetFunc(USART1_RX_PORT, USART1_RX_PIN, GPIO_FUNC_33);
+        GPIO_SetFunc(USART1_TX_PORT, USART1_TX_PIN, GPIO_FUNC_32);
+        break;
+#endif
+#if defined(BSP_USING_UART2)
+    case (rt_uint32_t)CM_USART2:
+        /* Configure USART RX/TX pin. */
+        GPIO_SetFunc(USART2_RX_PORT, USART2_RX_PIN, GPIO_FUNC_37);
+        GPIO_SetFunc(USART2_TX_PORT, USART2_TX_PIN, GPIO_FUNC_36);
+        break;
+#endif
+#if defined(BSP_USING_UART3)
+    case (rt_uint32_t)CM_USART3:
+        /* Configure USART RX/TX pin. */
+        GPIO_SetFunc(USART3_RX_PORT, USART3_RX_PIN, GPIO_FUNC_33);
+        GPIO_SetFunc(USART3_TX_PORT, USART3_TX_PIN, GPIO_FUNC_32);
+        break;
+#endif
 #if defined(BSP_USING_UART4)
     case (rt_uint32_t)CM_USART4:
         /* Configure USART RX/TX pin. */
-- 
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