boards/pic32-clicker: cleanup uart initialization

boards/pic32-clicker/clicker.c

@@ -26,11 +26,6 @@ void board_init(void)
     U3RXR =    0x2;          /*connect pin RPF5 to UART3 RX*/
     RPF4R =    0x1;          /*connect pin RPF4 to UART3 TX*/
 
-    /* intialise UART used for debug (printf) */
-#ifdef DEBUG_VIA_UART
-    uart_init(DEBUG_VIA_UART, DEBUG_UART_BAUD, NULL, 0);
-#endif
-
     /* Turn off all LED's */
     gpio_init(LED1_PIN, GPIO_OUT);
     gpio_init(LED2_PIN, GPIO_OUT);

boards/pic32-clicker/include/board.h

@@ -40,6 +40,13 @@ extern "C" {
  */
 #define TICKS_PER_US (48)
 
+/**
+ * @brief   Use the 3rd UART for STDIO on this board
+ *
+ * This is the UART connected to the MikroBus.
+ */
+#define STDIO_UART_DEV      UART_DEV(3)
+
 /**
  * @brief   We are using an External Interrupt Controller (all pic32 devices use this mode)
  */

boards/pic32-clicker/include/periph_conf.h

@@ -53,8 +53,6 @@ extern "C" {
   * @{
   */
 #define UART_NUMOF          (4)
-#define DEBUG_VIA_UART      (3)
-#define DEBUG_UART_BAUD     (9600)
 /** @} */
 
 #ifdef __cplusplus