From 956fdc60c0f658025012e2d90d638d4bb40f566e Mon Sep 17 00:00:00 2001
From: ueJone <775844993@qq.com>
Date: Thu, 16 Jun 2022 10:39:51 +0800
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/* Enable error interrupt */
NVIC_EnableIRQ(uart->config->rxerr_irq.irq_config.irq_num);
上述代码使能错误接收中断后需要使能串口的接收中断`USART_INT_RX`才可以正常触发中断
---
 bsp/hc32/libraries/hc32_drivers/drv_usart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bsp/hc32/libraries/hc32_drivers/drv_usart.c b/bsp/hc32/libraries/hc32_drivers/drv_usart.c
index 582bb343d2..36df63c428 100644
--- a/bsp/hc32/libraries/hc32_drivers/drv_usart.c
+++ b/bsp/hc32/libraries/hc32_drivers/drv_usart.c
@@ -264,7 +264,7 @@ static rt_err_t hc32_configure(struct rt_serial_device *serial, struct serial_co
 
     /* Enable error interrupt */
     NVIC_EnableIRQ(uart->config->rxerr_irq.irq_config.irq_num);
-    USART_FuncCmd(uart->config->Instance, USART_TX | USART_RX, ENABLE);
+    USART_FuncCmd(uart->config->Instance, USART_TX | USART_RX | USART_INT_RX, ENABLE);
 
     return RT_EOK;
 }