Set Wire to use the pins defined in pins_arduino.h

thanks @ladyada

Author: me-no-dev

libraries/Wire/src/Wire.cpp

@@ -47,15 +47,15 @@ void TwoWire::begin(int sdaPin, int sclPin, uint32_t frequency)
 {
  if(sdaPin < 0) {
  if(num == 0) {
- sdaPin = I2C0_DEFAULT_SDA_PIN;
+ sdaPin = SDA;
  } else {
  return;
  }
  }
 
  if(sclPin < 0) {
  if(num == 0) {
- sclPin = I2C0_DEFAULT_SCL_PIN;
+ sclPin = SCL;
  } else {
  return;
  }

libraries/Wire/src/Wire.h

@@ -29,8 +29,6 @@
 #include "freertos/queue.h"
 
 #define I2C_BUFFER_LENGTH 128
-#define I2C0_DEFAULT_SDA_PIN 21
-#define I2C0_DEFAULT_SCL_PIN 22
 
 class TwoWire
 {