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#include "calibration.hpp"
#include "time_utils.hpp"
SensorCalibrator::SensorCalibrator(Sensor *sensor)
{
_sensor = sensor;
_resetValues();
}
bool SensorCalibrator::calibrate(unsigned int throttle_time)
{
bool done = false;
Time start_time = time_now();
while (!done)
{
if (time_now().diff(start_time).millisecs() >= CALIBRATION_TIMEOUT)
return false;
delay(throttle_time);
_resetValues();
for (int i = 0; i < SENSOR_READ_CNT; i++)
{
_updateValues();
}
_adjustValues();
Serial.print("Accel X: ");
Serial.print(_accel_x);
Serial.print(" Accel Y: ");
Serial.print(_accel_y);
Serial.print(" Accel Z: ");
Serial.print(_accel_z);
Serial.print(" Gyro X: ");
Serial.print(_gyro_x);
Serial.print(" Gyro Y: ");
Serial.print(_gyro_y);
Serial.print(" Gyro Z: ");
Serial.println(_gyro_z);
if (_isValuesInRange())
{
done = true;
}
_adjustCalibration();
}
return true;
}
void SensorCalibrator::_resetValues()
{
_accel_x = 0;
_accel_y = 0;
_accel_z = 0;
_gyro_x = 0;
_gyro_y = 0;
_gyro_z = 0;
}
void SensorCalibrator::_updateValues()
{
_sensor->read();
_accel_x -= _sensor->getAccelX();
_accel_y -= _sensor->getAccelY();
_accel_z -= _sensor->getAccelZ();
_gyro_x -= _sensor->getGyroX();
_gyro_y -= _sensor->getGyroY();
_gyro_z -= _sensor->getGyroZ();
}
void SensorCalibrator::_adjustValues()
{
_accel_x *= SENSOR_VAL_ADJUST;
_accel_y *= SENSOR_VAL_ADJUST;
_accel_z *= SENSOR_VAL_ADJUST;
_gyro_x *= SENSOR_VAL_ADJUST;
_gyro_y *= SENSOR_VAL_ADJUST;
_gyro_z *= SENSOR_VAL_ADJUST;
}
bool SensorCalibrator::_isValuesInRange()
{
return (_accel_x < ACCEL_CAL_X_MAX && _accel_x > ACCEL_CAL_X_MIN &&
_accel_y < ACCEL_CAL_Y_MAX && _accel_y > ACCEL_CAL_Y_MIN &&
_accel_z < ACCEL_CAL_Z_MAX && _accel_z > ACCEL_CAL_Z_MIN &&
_gyro_x < GYRO_CAL_X_MAX && _gyro_x > GYRO_CAL_X_MIN &&
_gyro_y < GYRO_CAL_Y_MAX && _gyro_y > GYRO_CAL_Y_MIN &&
_gyro_z < GYRO_CAL_Z_MAX && _gyro_z > GYRO_CAL_Z_MIN);
}
void SensorCalibrator::_adjustCalibration()
{
_sensor->accel_cal_x += _accel_x;
_sensor->accel_cal_y += _accel_y;
_sensor->accel_cal_z += _accel_z;
_sensor->gyro_cal_x += _gyro_x;
_sensor->gyro_cal_y += _gyro_y;
_sensor->gyro_cal_z += _gyro_z;
}
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