ardupilot/libraries/AP_RPM/RPM_PX4_PWM.h

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// -*- 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 AP_RPM_PX4_PWM_H
#define AP_RPM_PX4_PWM_H
#include "AP_RPM.h"
#include "RPM_Backend.h"
#include <Filter/Filter.h>
#include <AP_Math/AP_Math.h>
class AP_RPM_PX4_PWM : public AP_RPM_Backend
{
public:
// constructor
AP_RPM_PX4_PWM(AP_RPM &ranger, uint8_t instance, AP_RPM::RPM_State &_state);
// destructor
~AP_RPM_PX4_PWM(void);
// update state
void update(void);
private:
int _fd = -1;
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int _logfd = -1;
uint64_t _last_timestamp = 0;
ModeFilterFloat_Size5 signal_quality_filter {3};
};
#endif // AP_RPM_PX4_PWM_H