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PX4-Autopilot/test/SensorSimulator.h
T
2019-12-16 13:40:01 +01:00

115 lines
3.8 KiB
C++

/****************************************************************************
*
* Copyright (c) 2019 ECL Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* This class is providing methods to feed the ECL EKF with measurement.
* It takes a pointer to the Ekf object and will manipulate the object
* by call set*Data functions.
* It simulates the time to allow for sensor data being set at certain rate
* and also calls the update method of the EKF
* @author Kamil Ritz <ka.ritz@hotmail.com>
*/
#pragma once
#include "EKF/ekf.h"
#include <math.h>
namespace simulator
{
class SensorSimulator
{
public:
SensorSimulator(Ekf* ekf);
~SensorSimulator();
void update_with_const_sensors(uint32_t duration_us,
Vector3f ang_vel = Vector3f{0.0f,0.0f,0.0f},
Vector3f accel = Vector3f{0.0f,0.0f,-CONSTANTS_ONE_G},
Vector3f mag_data = Vector3f{0.2f, 0.0f, 0.4f},
float baro_data = 122.2f);
void setGpsFusionTrue(){ _fuse_gps = true; }
void setGpsFusionFalse(){ _fuse_gps = false; }
private:
Ekf* _ekf;
// current time
uint32_t _t_us{0};
// Basics sensors
const uint32_t _imu_dt_us{4000}; // 250 Hz Period between IMU updates
const uint32_t _baro_dt_us{12500}; // 80 Hz Period between barometer updates
const uint32_t _mag_dt_us{12500}; // 80 Hz Period between magnetometer updates
const uint32_t _gps_dt_us{200000}; // 5 Hz Period between GPS updates
// const uint32_t _flow_dt_us{20000}; // 50 Hz Period between Flow updates
// const uint32_t _ev_dt_us{40000}; // 25 Hz Period between external vision updates
uint32_t _update_dt_us{}; // greatest common divider of all basic sensor periods
// Flags that control if a sensor is fused
bool _fuse_imu{true};
bool _fuse_baro{true};
bool _fuse_mag{true};
// Not expected to be fused from beginning
bool _fuse_gps{false};
// bool _fuse_flow{false};
// bool _fuse_ev{false};
gps_message _gps_message{};
// used for debugging until now, replace with tests
// counter of how many sensor measurement are put into Ekf
uint32_t _counter_imu{0};
uint32_t _counter_baro{0};
uint32_t _counter_mag{0};
void setGpsMessageToDefaul();
};
// Compute greatest common divider
inline uint32_t gcd(uint32_t a, uint32_t b)
{
return b == 0 ? a : gcd(b, a % b);
}
} // end of namespace