Changes to support UNO R4

Author: Laurence Bank

src/BitBang_I2C.cpp

@@ -65,7 +65,7 @@ TwoWire *pWire = &Wire;
 static const char *szDeviceNames[] = {"Unknown","SSD1306","SH1106","VL53L0X","BMP180", "BMP280","BME280",
                 "MPU-60x0", "MPU-9250", "MCP9808","LSM6DS3", "ADXL345", "ADS1115","MAX44009",
                 "MAG3110", "CCS811", "HTS221", "LPS25H", "LSM9DS1","LM8330", "DS3231", "LIS3DH",
-                "LIS3DSH","INA219","SHT3X","HDC1080","MPU6886","BME680", "AXP202", "AXP192", "24AAXXXE64", "DS1307", "MPU688X", "FT6236G", "FT6336G", "FT6336U", "FT6436", "BM8563", "BNO055", "AHT20","TMF882X","SCD4X", "ST25DV", "LTR390", "BMP388", "BMI160"};
+                "LIS3DSH","INA219","SHT3X","HDC1080","MPU6886","BME680", "AXP202", "AXP192", "24AAXXXE64", "DS1307", "MPU688X", "FT6236G", "FT6336G", "FT6336U", "FT6436", "BM8563", "BNO055", "AHT20","TMF882X","SCD4X", "ST25DV", "LTR390", "BMP388"};
 
 #if defined ( __AVR__ ) && !defined( ARDUINO_ARCH_MEGAAVR )
 volatile uint8_t *iDDR_SCL, *iPort_SCL_Out;
@@ -588,14 +588,27 @@ void I2CInit(BBI2C *pI2C, uint32_t iClock)
  // Mbed Cortex-M MCUs can set I2C on custom pins
        if (pI2C->iSDA != 0xff) {
           pWire = new MbedI2C((int)pI2C->iSDA, (int)pI2C->iSCL);
+       } else {
+          pWire = &Wire;
        }
 #endif
        pWire->begin();
 #else
        if (pI2C->iSDA == 0xff || pI2C->iSCL == 0xff) {
           pWire->begin();
        } else {
+#ifdef ARDUINO_RASPBERRY_PI_PICO
+          pWire->setSDA((pin_size_t)pI2C->iSDA);
+          pWire->setSCL((pin_size_t)pI2C->iSCL);
+          pWire->begin();
+#else
+#ifdef ARDUINO_ARCH_RENESAS
+          pWire = new TwoWire((int)pI2C->iSDA, (int)pI2C->iSCL);
+          pWire->begin();
+#else
           pWire->begin((int)pI2C->iSDA, (int)pI2C->iSCL);
+#endif
+#endif
        }
 #endif
        pWire->setClock(iClock);
@@ -1097,15 +1110,7 @@ int iDevice = DEVICE_UNKNOWN;
        *pCapabilities = DEVICE_CAP_TEMPERATURE;
        return DEVICE_MCP9808;
     }
-  
-   // Check for Bosch BMI160 IMU
-   if (i == 0x68 || i == 0x69) {
-     I2CReadRegister(pI2C, i, 0x00, cTemp, 1); // CHIP_ID
-     if (cTemp[0] == 0xD1) { // BMI160
-        *pCapabilities = DEVICE_CAP_TEMPERATURE | DEVICE_CAP_ACCELEROMETER | DEVICE_CAP_GYROSCOPE;
-        return DEVICE_BMI160;
-     }
-   }
+       
    // Check for SCD4x CO2 sensors
    if (i == 0x62) {
      // DEBUG - for now, assume it's the SCD4x

src/BitBang_I2C.h

@@ -72,7 +72,6 @@ enum {
   DEVICE_ST25DV,
   DEVICE_LTR390,
   DEVICE_BMP388,
-  DEVICE_BMI160,
   DEVICE_COUNT
 };