#include <Wire.h>
#define MPU_addr 0x68 // I2C address of the MPU-6050

int16_t AcX = 0;
int16_t AcY = 0;
int16_t AcZ = 0;
int16_t Tmp = 0;
int16_t GyX = 0;
int16_t GyY = 0;
int16_t GyZ = 0;
int16_t cels = 0;

void initAccel() {
  Wire.begin();
  Wire.beginTransmission(0x68); // I2C address of the MPU-6050
  Wire.write(0x6B); // PWR_MGMT_1 register
  Wire.write(0);   // set to zero (wakes up the MPU-6050)
  Wire.endTransmission(true);
}


void readAccel() {
  Wire.beginTransmission(MPU_addr);
  Wire.write(0x3B);  // starting with register 0x3B (ACCEL_XOUT_H)
  Wire.endTransmission(false);
  Wire.requestFrom(MPU_addr, 14); // request a total of 14 registers LB : removing stop, no support in tiny wire

  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)
  Tmp = Wire.read() << 8 | Wire.read(); // 0x41 (TEMP_OUT_H) & 0x42 (TEMP_OUT_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)
  cels = Tmp / 340.00 + 36.53; //equation for temperature in degrees C from datasheet
}