ardupilot/libraries/AP_RPM/RPM_Backend.h

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/*
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/>.
*/
#pragma once
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#include <AP_Common/AP_Common.h>
#include <AP_HAL/AP_HAL.h>
#include "AP_RPM.h"
class AP_RPM_Backend
{
public:
// constructor. This incorporates initialisation as well.
AP_RPM_Backend(AP_RPM &_ap_rpm, uint8_t instance, AP_RPM::RPM_State &_state);
// we declare a virtual destructor so that RPM drivers can
// override with a custom destructor if need be
virtual ~AP_RPM_Backend(void) {}
// update the state structure. All backends must implement this.
virtual void update() = 0;
protected:
AP_RPM &ap_rpm;
AP_RPM::RPM_State &state;
};