ardupilot/libraries/AP_HAL_Linux/Heat_Pwm.h

44 lines
1.3 KiB
C++

// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __HEAT_PWM_H__
#define __HEAT_PWM_H__
#include "AP_HAL_Linux.h"
#include "Heat.h"
class Linux::LinuxHeatPwm : public Linux::LinuxHeat {
public:
LinuxHeatPwm(const char* pwm_sysfs_path, float Kp, float Ki,uint32_t period_ns, float target);
void set_imu_temp(float current)override;
private:
int _duty_fd = -1;
int _period_fd = -1;
int _run_fd = -1;
uint32_t _last_temp_update = 0;
float _Kp;
float _Ki;
uint32_t _period_ns;
float _sum_error;
float _target;
void _set_duty(uint32_t duty);
void _set_period(uint32_t period);
void _set_run();
};
#endif