airheads/ultrasonic_8h_source.html

// Compile the header file only once

#ifndef ULTRASONIC

#define ULTRASONIC


#include <Arduino.h>


class Ultrasonic //This class operates an HC_SR04 Ultrasonic Sensor

{

protected:

    float distance;

    uint8_t echoPin;

    uint8_t trigPin;

    long duration;


public:

    Ultrasonic (uint8_t echoPin, uint8_t trigPin);

    float get_distance (void);

};


#endif // ULTRASONIC

Ultrasonic
Class for an HC_SR04 Ultrasonic Sensor.
Definition: ultrasonic.h:18

Ultrasonic::trigPin
uint8_t trigPin
The GPIO trigger pin that sends out ultrasonic pulses.
Definition: ultrasonic.h:22

Ultrasonic::distance
float distance
The distance between the ultrasonic sensor and the object in front of it.
Definition: ultrasonic.h:20

Ultrasonic::echoPin
uint8_t echoPin
The GPIO echo pin used to measure the time between ultrasonic pulses.
Definition: ultrasonic.h:21

Ultrasonic::get_distance
float get_distance(void)
The method to get the distance measured from the ultrasonic sensor.
Definition: ultrasonic.cpp:36

Ultrasonic::duration
long duration
The time between received ultrasonic pulses.
Definition: ultrasonic.h:23