ardupilot/libraries/AP_RangeFinder/AP_RangeFinder_SITL.cpp

51 lines
1.5 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_RangeFinder_SITL.h"
#if AP_RANGEFINDER_SIM_ENABLED
#include <AP_HAL/AP_HAL.h>
#include <SITL/SITL.h>
/*
constructor - registers instance at top RangeFinder driver
*/
AP_RangeFinder_SITL::AP_RangeFinder_SITL(RangeFinder::RangeFinder_State &_state, AP_RangeFinder_Params &_params, uint8_t instance) :
AP_RangeFinder_Backend(_state, _params),
_instance(instance)
{}
/*
update distance_cm
*/
void AP_RangeFinder_SITL::update(void)
{
const float dist = AP::sitl()->get_rangefinder(_instance);
// negative distance means nothing is connected
if (is_negative(dist)) {
state.status = RangeFinder::Status::NoData;
return;
}
state.distance_m = dist;
state.last_reading_ms = AP_HAL::millis();
// update range_valid state based on distance measured
update_status();
}
#endif // AP_RANGEFINDER_SIM_ENABLED