ardupilot/libraries/AP_RangeFinder/RangeFinder.h

39 lines
1.4 KiB
C++

#ifndef RangeFinder_h
#define RangeFinder_h
#include <inttypes.h>
#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
#define AP_RANGEFINDER_NUM_AVERAGES 4
class RangeFinder
{
public:
int _analogPort; // the port to which the sensor is connected
int _history_ptr;
int _history[AP_RANGEFINDER_NUM_AVERAGES];
public:
int raw_value; // raw value from the sensor
int distance; // distance in cm
int max_distance; // maximum measurable distance (in cm)
int min_distance; // minimum measurable distance (in cm)
int orientation_x, orientation_y, orientation_z;
int filter(int latestValue); // returns the average of the last AP_RANGEFINDER_NUM_AVERAGES values
virtual void init(int analogPort);
virtual void set_orientation(int x, int y, int z);
virtual int read(); // read value from analog port and return distance in cm
};
#endif