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File: example/ajax-example/_set.php

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  Classes of Andrew Collington  >  iWire PHP Raspberry PI GPIO Class  >  example/ajax-example/_set.php  >  Download  
File: example/ajax-example/_set.php
Role: Example script
Content type: text/plain
Description: Example script
Class: iWire PHP Raspberry PI GPIO Class
Control a Raspberry PI board using GPIO
Author: By
Last change:
Date: 1 year ago
Size: 842 bytes
 

 

Contents

Class file image Download
<?php

/**
 * Phpiwire: A PHP wrapper for wiringPi
 *
 * Part of the ajax example - setting pins
 *
 * @author Andrew Collington, andy@amnuts.com
 * @version 0.2.0
 * @link https://github.com/amnuts/phpiwire
 * @license MIT, http://acollington.mit-license.org/
 */

namespace Phpiwire;

$pins = [0, 0, 0];

$pi = new Board();

if (!isset(
$argv[1]) || !isset($argv[2])) {
    echo
json_encode(['error' => 'Incorrect number of parameters']);
} else if (
$argv[1] < 0 || $argv[1] > 3) {
    echo
json_encode(['error' => 'Incorrect pin numbers selected - only 0-3 valid']);
} else {
    foreach (
$pins as $pin => $val) {
       
$p = $pi->getPin($pin)->mode(Pin::OUTPUT);
        if (
$pin == $argv[1]) {
           
$p->write((bool)$argv[2] ? Pin::HIGH : Pin::LOW);
        }
       
$pins[$pin] = $p->read();
    }
    echo
json_encode($pins);
}