library: Wire: change default pins type

This allows _ALTx pins usage.

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

cores/arduino/pins_arduino.h

@@ -80,8 +80,8 @@ static const uint32_t SCK  = PIN_SPI_SCK;
   #define PIN_WIRE_SCL              15
 #endif
 
-static const uint8_t SDA = PIN_WIRE_SDA;
-static const uint8_t SCL = PIN_WIRE_SCL;
+static const uint32_t SDA = PIN_WIRE_SDA;
+static const uint32_t SCL = PIN_WIRE_SCL;
 
 #ifdef __cplusplus
 extern "C" {

libraries/Wire/src/Wire.cpp

@@ -39,15 +39,15 @@ TwoWire::TwoWire()
   _i2c.scl = digitalPinToPinName(SCL);
 }
 
-TwoWire::TwoWire(uint8_t sda, uint8_t scl)
+TwoWire::TwoWire(uint32_t sda, uint32_t scl)
 {
   _i2c.sda = digitalPinToPinName(sda);
   _i2c.scl = digitalPinToPinName(scl);
 }
 
 // Public Methods //////////////////////////////////////////////////////////////
 
-void TwoWire::begin(uint8_t sda, uint8_t scl)
+void TwoWire::begin(uint32_t sda, uint32_t scl)
 {
   _i2c.sda = digitalPinToPinName(sda);
   _i2c.scl = digitalPinToPinName(scl);

libraries/Wire/src/Wire.h

@@ -64,7 +64,7 @@ class TwoWire : public Stream {
 
   public:
     TwoWire();
-    TwoWire(uint8_t sda, uint8_t scl);
+    TwoWire(uint32_t sda, uint32_t scl);
     // setSCL/SDA have to be called before begin()
     void setSCL(uint32_t scl)
     {
@@ -83,7 +83,7 @@ class TwoWire : public Stream {
       _i2c.sda = sda;
     };
     void begin(bool generalCall = false);
-    void begin(uint8_t, uint8_t);
+    void begin(uint32_t, uint32_t);
     void begin(uint8_t, bool generalCall = false);
     void begin(int, bool generalCall = false);
     void end();