for debug

This reverts commit f8a41af344.

inc/board_config.h

@@ -12,6 +12,21 @@
 // #define POWER_SUPPLY_12V
 #define POWER_SUPPLY_24V
 
+// #define GD32E230F4
+// #define GD32E230F8
+
+/******************************************************************************/
+
+#ifdef GD32E230F8
+#define USART_RCU            RCU_USART1
+#define USART_PHY            USART1
+#define USART_PHY_IRQ        USART1_IRQn
+#else
+#define USART_RCU            RCU_USART0
+#define USART_PHY            USART0
+#define USART_PHY_IRQ        USART0_IRQn
+#endif
+
 /******************************************************************************/
 
 #ifdef POWER_SUPPLY_12V
@@ -26,7 +41,6 @@
     #error "Please define either POWER_SUPPLY_12V or POWER_SUPPLY_24V"
 #endif
 
-
 /******************************************************************************/
 
 #define I2C_GPIO_RCU         RCU_GPIOF
@@ -41,13 +55,14 @@
 /******************************************************************************/
 
 #define USART_GPIO_RCU       RCU_GPIOA
-#define USART_RCU            RCU_USART0
+// #define USART_RCU            RCU_USART0
 #define USART_GPIO_PORT      GPIOA
 #define USART_GPIO_AF        GPIO_AF_1
 #define USART_TX_PIN         GPIO_PIN_2
 #define USART_RX_PIN         GPIO_PIN_3
-#define USART_PHY            USART0
+// #define USART_PHY            USART0
 #define USART_PHY_BAUDRATE   115200U
+// #define USART_PHY_IRQ        USART0_IRQn
 #define RS485_EN_PORT        GPIOA
 #define RS485_EN_PIN         GPIO_PIN_4
 

src/usart.c

@@ -26,12 +26,10 @@ void usart_config(void)
     usart_baudrate_set(USART_PHY, USART_PHY_BAUDRATE);
     usart_receive_config(USART_PHY, USART_RECEIVE_ENABLE);
     usart_transmit_config(USART_PHY, USART_TRANSMIT_ENABLE);
-
+    nvic_irq_enable(USART_PHY_IRQ, 0);
-    usart_enable(USART_PHY);
-
-    nvic_irq_enable(USART0_IRQn, 0);
     usart_interrupt_enable(USART_PHY, USART_INT_RBNE);
     usart_interrupt_enable(USART_PHY, USART_INT_IDLE);
+    usart_enable(USART_PHY);
 }
 
 /**