ardupilot/libraries/AP_RangeFinder/AP_RangeFinder_SharpGP2Y.cpp
Pat Hickey f36ded2854 RangeFinder: rework to use AnalogSource library
this removes the hacks that check for the ADC object, and instead
choose the method of getting the analog sonar value via the
AnalogSource API
2011-11-25 20:00:16 -08:00

43 lines
1.5 KiB
C++

// -*- tab-width: 4; Mode: C++; c-basic-offset: 3; indent-tabs-mode: t -*-
/*
AP_RangeFinder_SharpGP2Y.cpp - Arduino Library for Sharpe GP2Y0A02YK0F
infrared proximity sensor
Code by Jose Julio and Randy Mackay. DIYDrones.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Sensor should be conected to one of the analog ports
Sparkfun URL: http://www.sparkfun.com/products/8958
datasheet: http://www.sparkfun.com/datasheets/Sensors/Infrared/gp2y0a02yk_e.pdf
Variables:
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)
Methods:
read() : read value from analog port
*/
// AVR LibC Includes
#include "WConstants.h"
#include "AP_RangeFinder_SharpGP2Y.h"
// Constructor //////////////////////////////////////////////////////////////
AP_RangeFinder_SharpGP2Y::AP_RangeFinder_SharpGP2Y(AP_AnalogSource *source,
ModeFilter *filter) :
RangeFinder(source, filter)
{
max_distance = AP_RANGEFINDER_SHARPEGP2Y_MAX_DISTANCE;
min_distance = AP_RANGEFINDER_SHARPEGP2Y_MIN_DISTANCE;
}
// Public Methods //////////////////////////////////////////////////////////////