ardupilot/libraries/AP_RangeFinder/RangeFinder.h

59 lines
1.7 KiB
C++

#ifndef __RANGEFINDER_H__
#define __RANGEFINDER_H__
#include <AP_Common.h>
#include <AP_HAL.h>
#include <Filter.h> // Filter library
/*
* #define AP_RANGEFINDER_ORIENTATION_FRONT 0, 10, 0
* #define AP_RANGEFINDER_ORIENTATION_RIGHT -10, 0, 0
* #define AP_RANGEFINDER_ORIENTATION_BACK 0,-10, 0
* #define AP_RANGEFINDER_ORIENTATION_LEFT 10, 0, 0
* #define AP_RANGEFINDER_ORIENTATION_UP 0, 0,-10
* #define AP_RANGEFINDER_ORIENTATION_DOWN 0, 0, 10
* #define AP_RANGEFINDER_ORIENTATION_FRONT_RIGHT -5, -5, 0
* #define AP_RANGEFINDER_ORIENTATION_BACK_RIGHT -5, -5, 0
* #define AP_RANGEFINDER_ORIENTATION_BACK_LEFT 5, -5, 0
* #define AP_RANGEFINDER_ORIENTATION_FRONT_LEFT 5, 5, 0
*/
class RangeFinder
{
protected:
RangeFinder(AP_HAL::AnalogSource * source, FilterInt16 *filter) :
_analog_source(source),
_mode_filter(filter) {
}
public:
// raw_value: read the sensor
int raw_value;
// distance: in cm
int distance;
// maximum measurable distance: in cm
int max_distance;
// minimum measurable distance: in cm
int min_distance;
int orientation_x, orientation_y, orientation_z;
void set_orientation(int x, int y, int z);
/**
* convert_raw_to_distance:
* function that each child class should override to convert voltage
* to distance (in cm)
*/
virtual int convert_raw_to_distance(int _raw_value) {
return _raw_value;
}
/**
* read:
* read value from sensor and return distance in cm
*/
virtual int read();
AP_HAL::AnalogSource* _analog_source;
FilterInt16 * _mode_filter;
};
#endif // __RANGEFINDER_H__