[bsp\nrf5x]Support BSP UART0

bsp/nrf5x/nrf52840/board/Kconfig

@@ -2,14 +2,14 @@ menu "Hardware Drivers Config"
 
 config SOC_NRF52840
     bool
-	config SOC_NRF52840
+    config SOC_NRF52840
     select RT_USING_COMPONENTS_INIT
     select RT_USING_USER_MAIN
     default y
 
 menu "Onboard Peripheral Drivers"
     config BSP_USING_JLINK_TO_USART
-        bool "Enable JLINK TO USART (uart0)"
+        bool "Enable JLINK TO USART (uart0|RX_PIN:8|TX_PIN:6)"
         select BSP_USING_UART
         select BSP_USING_UART0
         default y
@@ -30,11 +30,20 @@ menu "On-chip Peripheral Drivers"
             config BSP_USING_UART0
                 bool "Enable UART0"
                 default y 
-
+                if BSP_USING_UART0
+                    config BSP_UART0_RX_PIN
+                        int "uart0 rx pin number"
+                        range 0 31
+                        default 8
+                    config BSP_UART0_TX_PIN
+                        int "uart0 tx pin number"
+                        range 0 31
+                        default 6
+                endif
             config BSP_USING_UART1
                 bool "Enable UART1"
                 default n
-		endif
+        endif
 endmenu
 
 endmenu

bsp/nrf5x/nrf52840/rtconfig.h

@@ -155,10 +155,13 @@
 
 /* Onboard Peripheral Drivers */
 
+#define BSP_USING_JLINK_TO_USART
 
 /* On-chip Peripheral Drivers */
 
 #define BSP_USING_UART
 #define BSP_USING_UART0
+#define BSP_UART0_RX_PIN 8
+#define BSP_UART0_TX_PIN 6
 
 #endif