mirror of https://github.com/ArduPilot/ardupilot
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <AP_Common/AP_Common.h>
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#include <AP_HAL/AP_HAL.h>
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#include "AP_RPM.h"
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class AP_RPM_Backend
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{
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public:
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// constructor. This incorporates initialisation as well.
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AP_RPM_Backend(AP_RPM &_ap_rpm, uint8_t instance, AP_RPM::RPM_State &_state);
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// we declare a virtual destructor so that RPM drivers can
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// override with a custom destructor if need be
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virtual ~AP_RPM_Backend(void) {}
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// update the state structure. All backends must implement this.
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virtual void update() = 0;
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int8_t get_pin(void) const {
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if (state.instance > 1) {
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return -1;
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}
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return ap_rpm._pin[state.instance].get();
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}
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protected:
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AP_RPM &ap_rpm;
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AP_RPM::RPM_State &state;
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};
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