Method wakeup

libraries/GY521/GY521.cpp:76–82

bool GY521::wakeup()
{
  _wire->beginTransmission(_address);
  _wire->write(GY521_PWR_MGMT_1);
  _wire->write(GY521_WAKEUP);
  return (_wire->endTransmission() == 0);
}


int16_t GY521::read()