<?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);
}
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