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- #include <Wire.h>
- const int MPU_addr=0x68; // I2C address of the MPU-9250
- // Accelerometer and gyroscope values
- int16_t AcX,AcY,AcZ,GyX,GyY,GyZ;
- void setup(){
- Wire.begin();
- Wire.beginTransmission(MPU_addr);
- Wire.write(0x6B); // PWR_MGMT_1 register
- Wire.write(0); // set to zero (wakes up the MPU-9250)
- Wire.endTransmission(true);
- Serial.begin(9600);
- }
- void loop(){
- Wire.beginTransmission(MPU_addr);
- Wire.write(0x3B); // starting with register 0x3B (ACCEL_XOUT_H)
- Wire.endTransmission(false);
- Wire.requestFrom(MPU_addr,14,true); // request a total of 14 registers
- // read the values from the registers
- AcX=Wire.read()<<8|Wire.read(); // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)
- AcY=Wire.read()<<8|Wire.read(); // 0x3D (ACCEL_YOUT_H) & 0x3E (ACCEL_YOUT_L)
- AcZ=Wire.read()<<8|Wire.read(); // 0x3F (ACCEL_ZOUT_H) & 0x40 (ACCEL_ZOUT_L)
- GyX=Wire.read()<<8|Wire.read(); // 0x43 (GYRO_XOUT_H) & 0x44 (GYRO_XOUT_L)
- GyY=Wire.read()<<8|Wire.read(); // 0x45 (GYRO_YOUT_H) & 0x46 (GYRO_YOUT_L)
- GyZ=Wire.read()<<8|Wire.read(); // 0x47 (GYRO_ZOUT_H) & 0x48 (GYRO_ZOUT_L)
- // print out the values
- Serial.print("Accelerometer: ");
- Serial.print(AcX); Serial.print(" ");
- Serial.print(AcY); Serial.print(" ");
- Serial.print(AcZ); Serial.print(" ");
- Serial.print("Gyroscope: ");
- Serial.print(GyX); Serial.print(" ");
- Serial.print(GyY); Serial.print(" ");
- Serial.println(GyZ);
- delay(500); // wait for half a second
- }
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