mirror of https://github.com/ArduPilot/ardupilot
47 lines
1.6 KiB
C++
47 lines
1.6 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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#include <AP_Common/AP_Common.h>
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#include <AP_HAL/AP_HAL.h>
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#include "AP_BattMonitor.h"
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#include "AP_BattMonitor_Backend.h"
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/*
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base class constructor.
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This incorporates initialisation as well.
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*/
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AP_BattMonitor_Backend::AP_BattMonitor_Backend(AP_BattMonitor &mon, AP_BattMonitor::BattMonitor_State &mon_state) :
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_mon(mon),
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_state(mon_state)
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{
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}
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/// capacity_remaining_pct - returns the % battery capacity remaining (0 ~ 100)
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uint8_t AP_BattMonitor_Backend::capacity_remaining_pct() const
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{
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float mah_remaining = _mon._pack_capacity[_state.instance] - _state.current_total_mah;
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if ( _mon._pack_capacity[_state.instance] > 10 ) { // a very very small battery
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return (100 * (mah_remaining) / _mon._pack_capacity[_state.instance]);
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} else {
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return 0;
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}
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}
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/// get capacity for this instance
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int32_t AP_BattMonitor_Backend::get_capacity() const
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{
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return _mon.pack_capacity_mah(_state.instance);
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}
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