ardupilot/libraries/AP_RangeFinder/AP_RangeFinder_Benewake_TFM...

73 lines
2.2 KiB
C++

/*
* Copyright (C) 2019 Lucas De Marchi <lucas.de.marchi@gmail.com>
*
* This file 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 file 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/>.
*/
#pragma once
#include "AP_RangeFinder.h"
#include "AP_RangeFinder_Backend.h"
#ifndef AP_RANGEFINDER_BENEWAKE_TFMINIPLUS_ENABLED
#define AP_RANGEFINDER_BENEWAKE_TFMINIPLUS_ENABLED AP_RANGEFINDER_BACKEND_DEFAULT_ENABLED
#endif
#if AP_RANGEFINDER_BENEWAKE_TFMINIPLUS_ENABLED
#define TFMINIPLUS_ADDR_DEFAULT 0x10 // TFMini default device id
#include <AP_HAL/utility/sparse-endian.h>
#include <AP_HAL/I2CDevice.h>
class AP_RangeFinder_Benewake_TFMiniPlus : public AP_RangeFinder_Backend
{
public:
// static detection function
static AP_RangeFinder_Backend *detect(RangeFinder::RangeFinder_State &_state,
AP_RangeFinder_Params &_params,
AP_HAL::OwnPtr<AP_HAL::I2CDevice> dev);
// update state
void update(void) override;
protected:
virtual MAV_DISTANCE_SENSOR _get_mav_distance_sensor_type() const override {
return MAV_DISTANCE_SENSOR_LASER;
}
private:
AP_RangeFinder_Benewake_TFMiniPlus(RangeFinder::RangeFinder_State &_state,
AP_RangeFinder_Params &_params,
AP_HAL::OwnPtr<AP_HAL::I2CDevice> dev);
bool init();
void timer();
void process_raw_measure(le16_t distance_raw, le16_t strength_raw,
uint16_t &output_distance_cm);
bool check_checksum(uint8_t *arr, int pkt_len);
AP_HAL::OwnPtr<AP_HAL::I2CDevice> _dev;
struct {
uint32_t sum;
uint32_t count;
} accum;
};
#endif