add Uart.setPins() to remap Serial rx, tx

Author: hathach

cores/nRF5/Uart.cpp

@@ -30,7 +30,6 @@ Uart::Uart(NRF_UART_Type *_nrfUart, IRQn_Type _IRQn, uint8_t _pinRX, uint8_t _pi
   uc_hwFlow = 0;
 
   _mutex = NULL;
-
   _begun = false;
 }
 
@@ -45,10 +44,15 @@ Uart::Uart(NRF_UART_Type *_nrfUart, IRQn_Type _IRQn, uint8_t _pinRX, uint8_t _pi
   uc_hwFlow = 1;
 
   _mutex = NULL;
-
   _begun = false;
 }
 
+void Uart::setPins(uint8_t pin_rx, uint8_t pin_tx)
+{
+  uc_pinRX = pin_rx;
+  uc_pinTX = pin_tx;
+}
+
 void Uart::begin(unsigned long baudrate)
 {
   begin(baudrate, (uint8_t)SERIAL_8N1);

cores/nRF5/Uart.h

@@ -32,6 +32,8 @@ class Uart : public HardwareSerial
   public:
     Uart(NRF_UART_Type *_nrfUart, IRQn_Type _IRQn, uint8_t _pinRX, uint8_t _pinTX);
     Uart(NRF_UART_Type *_nrfUart, IRQn_Type _IRQn, uint8_t _pinRX, uint8_t _pinTX, uint8_t _pinCTS, uint8_t _pinRTS );
+
+    void setPins(uint8_t pin_rx, uint8_t pin_tx);
     void begin(unsigned long baudRate);
     void begin(unsigned long baudrate, uint16_t config);
     void end();