update usart driver

bsp/gd32450z-eval/drivers/board.c

@@ -122,18 +122,13 @@ void rt_hw_board_init()
     
     SystemClock_Config();
     
-#ifdef RT_USING_CONSOLE
-    rt_console_set_device(CONSOLE_DEVICE);
-#endif
-    
 #ifdef RT_USING_COMPONENTS_INIT
     rt_components_board_init();
-
-#else
-    SDRAM_Init();
-    mpu_init();
 #endif
 
+#ifdef RT_USING_CONSOLE
+    rt_console_set_device(CONSOLE_DEVICE);
+#endif
 }
 
 /*@}*/

bsp/gd32450z-eval/drivers/board.h

@@ -49,20 +49,33 @@ extern int __bss_end;
 
 #define HEAP_END          GD32_SRAM_END
 
-// <o> Console on USART: <0=> no console <1=>USART 1 <2=>USART 2 <3=> USART 3
+// <o> Console on USART: 
+//  <127=> no console 
+//  <0=>USART 0 <1=>USART 1 <2=>USART 2 <3=> USART 3
+//  <4=>USART 4 <5=>USART 5 <6=>USART 6 <7=> USART 7
 // 	<i>Default: 1
-#define GD32_CONSOLE_USART		1
+#define GD32_CONSOLE_USART		0
 
 void rt_hw_board_init(void);
 
-#if GD32_CONSOLE_USART == 0
-#define CONSOLE_DEVICE "no"
+#if GD32_CONSOLE_USART == 127
+    #define CONSOLE_DEVICE "no"
+#elif GD32_CONSOLE_USART == 0
+    #define CONSOLE_DEVICE "uart0"
 #elif GD32_CONSOLE_USART == 1
-#define CONSOLE_DEVICE "uart1"
+    #define CONSOLE_DEVICE "uart1"
 #elif GD32_CONSOLE_USART == 2
-#define CONSOLE_DEVICE "uart2"
+    #define CONSOLE_DEVICE "uart2"
 #elif GD32_CONSOLE_USART == 3
-#define CONSOLE_DEVICE "uart3"
+    #define CONSOLE_DEVICE "uart3"
+#elif GD32_CONSOLE_USART == 4
+    #define CONSOLE_DEVICE "uart4"
+#elif GD32_CONSOLE_USART == 5
+    #define CONSOLE_DEVICE "uart5"
+#elif GD32_CONSOLE_USART == 6
+    #define CONSOLE_DEVICE "uart6"
+#elif GD32_CONSOLE_USART == 7
+    #define CONSOLE_DEVICE "uart7"
 #endif
 
 #define FINSH_DEVICE_NAME   CONSOLE_DEVICE