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48 lines
1.7 KiB
48 lines
1.7 KiB
// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- |
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/* |
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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, uint8_t instance, AP_BattMonitor::BattMonitor_State &mon_state) : |
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_mon(mon), |
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_state(mon_state), |
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_instance(instance) |
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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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/// set capacity for this instance |
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void AP_BattMonitor_Backend::set_capacity(uint32_t capacity) |
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{ |
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_mon._pack_capacity[_instance] = capacity; |
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}
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