HC_SR04 Class Reference

class for the ultrasonic ranging module HC-SR04 More...

#include <hc_sr04.h>

Collaboration diagram for HC_SR04:

Public Member Functions
	HC_SR04 (uint trig_pin, uint echo_pin)
	Construct a new hc sr04 object.
float	get_distance ()
	request a measure from HC_SR04

Detailed Description

class for the ultrasonic ranging module HC-SR04

Constructor & Destructor Documentation

HC_SR04()

HC_SR04::HC_SR04	(	uint	trig_pin,
		uint	echo_pin )

Construct a new hc sr04 object.

Parameters

trig_pin	the pin attached to the triggering signal
echo_pin	the pin used to measure round-trip time of ultrasonic pulses

Member Function Documentation

get_distance()

float HC_SR04::get_distance

(

)

request a measure from HC_SR04

Returns

the measured distance in float[cm]. Max = 400cm. If no response, return = -1.

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The documentation for this class was generated from the following files:

• hc_sr04.h
• hc_sr04.cpp