Software drivers are fully compliant with Google’s latest Android release. DMP offloads computation of motion processing algorithms from the host processor, improving system power performance. 3-axis gyroscope, 3-axis accelerometer, 3-axis compass, and a Digital Motion Processor™ (DMPTM) in a 3x3x1mm (24-pin QFN) package. 1/3 the power of existing 9-axis devices. It has other return values that the one packaged with the Arduino software does not.The ICM-20948 is the world’s lowest power 9-axis Motion Tracking device that is ideally suited for Smartphones, Tablets, Wearable Sensors, and IoT applications. The EPS32 is using a different implementation of the Wire library. Well, it's not really a problem as much as a different implementation. Anyone have any idea what is going on here and how to correct? InitialError is zero (success), the other error is 7 ( ? ). Serial.print(" | GyZ = ") Serial.println(GyZ) Serial.print(" | GyY = ") Serial.print(GyY) Serial.print(" | GyX = ") Serial.print(GyX) Serial.print(" | Tmp = ") Serial.print(Tmp/340.00+36.53) //equation for temperature in degrees C from datasheet Serial.print(" | AcZ = ") Serial.print(AcZ) Serial.print(" | AcY = ") Serial.print(AcY) Serial.print("AcX = ") Serial.print(AcX) Wire.write(0x3B) // starting with register 0x3B (ACCEL_XOUT_H) InitialError = Wire.endTransmission(true) 
Wire.write(0) // set to zero (wakes up the MPU-6050) #includeĬonst int MPU_addr=0圆8 // I2C address of the MPU-6050
The function in question only has 4 possible return values and 7 isn't one of them. What's odd is when I trace through the Wire library I find that there is no error code 7 defined. But for ever call after that I receive error code 7. On the very first call to initialize the MPU I receive a success error code. I'm using the code that is available on the Arduino web site with a slight variation I'm checking the error code on endTransmission and am printing it (I started to do this because I was getting all zero values back from my calls to read the MPU registers). I'm using an ESP32 to try to read from an IMU, the MPU-6050.
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