Fix OLED display not working with other sensors. This change reverts 851d426 but provides a way to select software I2C manually. #21 #24

Author: alranel

src/Arduino_SensorKit.cpp

@@ -11,7 +11,8 @@
 #endif
 
 //Declare component's classes
-U8X8_SSD1306_128X64_NONAME_SW_I2C Oled(/* clock=*/ _PIN_SCL, /* data=*/ _PIN_SDA, /* reset=*/ U8X8_PIN_NONE);
+U8X8_SSD1306_128X64_NONAME_SW_I2C Oled_SW(_PIN_SCL, _PIN_SDA, U8X8_PIN_NONE);
+U8X8_SSD1306_128X64_NONAME_HW_I2C Oled_HW(U8X8_PIN_NONE, _PIN_SCL, _PIN_SDA);
 SensorKit_DHT Environment(3,DHT11);
 DHT Environment_I2C(DHT20);
 SensorKit_LIS3DHTR Accelerometer;

src/Arduino_SensorKit.h

@@ -19,7 +19,13 @@
 class SensorKit_DHT;
 
 //Make the declared components from the .cpp to the sketch available
-extern U8X8_SSD1306_128X64_NONAME_SW_I2C Oled;
+extern U8X8_SSD1306_128X64_NONAME_SW_I2C Oled_SW;
+extern U8X8_SSD1306_128X64_NONAME_HW_I2C Oled_HW;
+#ifdef SENSORKIT_USE_SW_I2C
+  #define Oled Oled_SW
+#else
+  #define Oled Oled_HW
+#endif
 extern SensorKit_LIS3DHTR Accelerometer;
 extern SensorKit_BMP280 Pressure;
 extern SensorKit_DHT Environment;