ardupilot/libraries/AP_OpticalFlow/OpticalFlow_backend.cpp

32 lines
1.0 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 "OpticalFlow.h"
extern const AP_HAL::HAL& hal;
OpticalFlow_backend::OpticalFlow_backend(OpticalFlow &_frontend) :
frontend(_frontend)
{
_sem = hal.util->new_semaphore();
}
// update the frontend
void OpticalFlow_backend::_update_frontend(const struct OpticalFlow::OpticalFlow_state &state)
{
frontend._state = state;
frontend._last_update_ms = AP_HAL::millis();
}