ardupilot/libraries/AP_RangeFinder/AP_RangeFinder_MaxsonarI2CXL.h

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2013-05-29 20:51:11 -03:00
// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
#pragma once
#include "RangeFinder.h"
#include "RangeFinder_Backend.h"
#include <AP_HAL/I2CDevice.h>
#define AP_RANGE_FINDER_MAXSONARI2CXL_DEFAULT_ADDR 0x70
#define AP_RANGEFINDER_MAXSONARI2CXL 4
#define AP_RANGE_FINDER_MAXSONARI2CXL_SCALER 1.0
#define AP_RANGE_FINDER_MAXSONARI2CXL_MIN_DISTANCE 20
#define AP_RANGE_FINDER_MAXSONARI2CXL_MAX_DISTANCE 765
#define AP_RANGE_FINDER_MAXSONARI2CXL_COMMAND_TAKE_RANGE_READING 0x51
class AP_RangeFinder_MaxsonarI2CXL : public AP_RangeFinder_Backend
{
public:
// static detection function
static AP_RangeFinder_Backend *detect(RangeFinder &ranger, uint8_t instance,
RangeFinder::RangeFinder_State &_state);
// update state
void update(void);
private:
// constructor
AP_RangeFinder_MaxsonarI2CXL(RangeFinder &ranger, uint8_t instance,
RangeFinder::RangeFinder_State &_state);
// start a reading
bool start_reading(void);
bool get_reading(uint16_t &reading_cm);
AP_HAL::OwnPtr<AP_HAL::I2CDevice> _dev;
};