ardupilot/libraries/AP_BattMonitor/AP_BattMonitor_EFI.cpp

55 lines
1.6 KiB
C++

/*
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/>.
*/
#include "AP_BattMonitor_config.h"
#if AP_BATTERY_EFI_ENABLED
#include <AP_Common/AP_Common.h>
#include <AP_Math/AP_Math.h>
#include <AP_EFI/AP_EFI.h>
#include "AP_BattMonitor_EFI.h"
// update state
void AP_BattMonitor_EFI::read()
{
AP_EFI *efi = AP::EFI();
if (efi == nullptr) {
return;
}
if (!efi->is_healthy()) {
_state.healthy = false;
return;
}
struct EFI_State efi_state;
/*
a simple mapping of 1 Amp == 1 litre/hour and 1Ah = 1Litre
*/
efi->get_state(efi_state);
_state.current_amps = efi_state.fuel_consumption_rate_cm3pm*0.001*60; // litres/hour
// use arbitrary 1.0 Volts
_state.voltage = 1.0;
_state.consumed_mah = efi_state.estimated_consumed_fuel_volume_cm3; // millilitres
_state.consumed_wh = 0.001 * _state.consumed_mah;
_state.healthy = true;
_state.last_time_micros = AP_HAL::micros();
}
#endif // AP_BATTERY_EFI_ENABLED