ardupilot/libraries/AP_BattMonitor/AP_BattMonitor_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>
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#include "AP_BattMonitor.h"
class AP_BattMonitor_Backend
{
public:
// constructor. This incorporates initialisation as well.
AP_BattMonitor_Backend(AP_BattMonitor &mon, uint8_t instance, AP_BattMonitor::BattMonitor_State &mon_state);
// we declare a virtual destructor so that BattMonitor driver can
// override with a custom destructor if need be
virtual ~AP_BattMonitor_Backend(void) {}
// initialise
virtual void init() {}
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// read the latest battery voltage
virtual void read() = 0;
/// capacity_remaining_pct - returns the % battery capacity remaining (0 ~ 100)
uint8_t capacity_remaining_pct() const;
/// set capacity for this instance
void set_capacity(uint32_t capacity);
/// get capacity for this instance
int32_t get_capacity() const;
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protected:
AP_BattMonitor &_mon; // reference to front-end
AP_BattMonitor::BattMonitor_State &_state; // reference to this instances state (held in the front-end)
uint8_t _instance; // this instance
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};