alysdal/callcommand.php

## callcommand.php
<?php

// device info
$deviceID = "390024001347343338333633";
$accessToken = "fa2405080d01b918e0574a0f23a0b06c64332305";
$command = "setcolor";

// api url
$url = "https://api.particle.io/v1/devices/".$deviceID."/".$command."?access_token=".$accessToken;


/**
 * Do a POST requests
 * @param string $url
 * @param string $data
 * @return string
 */
function makePostRequest($url, $data) {

    // konfiguration for POST-request
    $options = array(
        'http' => array(
            'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
            'method'  => 'POST',
            'content' => http_build_query($data)
        )
    );

    $context  = stream_context_create($options);

    $result = file_get_contents($url, false, $context);

    if ($result === FALSE) {
        // noget gik galt
        die("http error, check photon is online");
    }

    return $result;
}

?>

<html>
<head>
    <meta charset="UTF-8">
    <title>Led Control</title>
</head>
<body>
<form action="" method="POST">
    <input type="radio" name="color" value="0,0,255"> Blue
    <input type="radio" name="color" value="0,255,0"> Green
    <input type="radio" name="color" value="255,0,0"> Red
    <input type="radio" name="color" value="0,0,0"> Sluk<br>
    <input type="submit" value="Update led">
</form>

<h3>Output</h3>

    <?php

    // check if POST data has been submitted
    if (isset($_POST['color'])) {
        $color = $_POST['color'];

        // photon forventer et parameter kaldet "args" med værdien.
        $data = [];
        $data['args'] = $color;

        // send post request og læs svar.
        $response = makePostRequest($url, $data);

        var_dump($response);
    }
    ?>

</body>
</html>

## databaseexample.php
<?php

require_once('dbConnection.php');

// device info
$deviceID = "390024001347343338333633";
$accessToken = "fa2405080d01b918e0574a0f23a0b06c64332305";
$command = "setcolor";

$sensor_name = 'tricolor_led';
// api url
$url = "https://api.particle.io/v1/devices/".$deviceID."/".$command."?access_token=".$accessToken;
/**
 * Do a POST requests
 * @param string $url
 * @param string $data
 * @return string
 */
function makePostRequest($url, $data) {
    // konfiguration for POST-request
    $options = array(
        'http' => array(
            'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
            'method'  => 'POST',
            'content' => http_build_query($data)
        )
    );
    $context  = stream_context_create($options);
    $result = file_get_contents($url, false, $context);
    if ($result === FALSE) {
        // noget gik galt
        die("http error, check photon is online");
    }

    return $result;
}
?>

<html>
<head>
    <meta charset="UTF-8">
    <title>Led Control</title>

    <style type="text/css">

        span{
            display: inline-block;
            height: 20px;
            margin: 5px;
            width: 20px;
        }

    </style>

</head>
<body>
<form action="" method="POST">
    <input type="radio" name="color" value="0,0,255"> Blue
    <input type="radio" name="color" value="0,255,0"> Green
    <input type="radio" name="color" value="255,0,0"> Red
    <input type="radio" name="color" value="0,0,0"> Sluk<br>
    <input type="submit" value="Update led">
</form>

<h3>Output</h3>

    <?php
    // check if POST data has been submitted
    if (isset($_POST['color'])) {
        $color = $_POST['color'];
        // photon forventer et parameter kaldet "args" med værdien.
        $data = [];
        $data['args'] = $color;

        $sql = "INSERT INTO sensor_data(sensor_name, value)
            VALUES (:sensor_name, :value)";

        $sth = $db->prepare($sql);

        $sth->bindValue(':sensor_name' , $sensor_name);
        $sth->bindValue(':value', $color);

        $sth->execute();

        // send post request og læs svar.
        $response = makePostRequest($url, $data);
        var_dump($response);
    }
    ?>

    <br>
    <br>

    <?php

        $sql = "SELECT sensor_name, value, reg_date
                FROM sensor_data";

        $sth = $db->prepare($sql);

        $sth->execute();

        $result = $sth->fetchAll();

        // echo "<pre>";
        // print_r($result);
        // echo "</pre>";


        foreach ($result as $sensorReading)
        {
            // echo "<pre>";
            // print_r($sensorReading);
            // echo "</pre>";

            echo '<span style="background-color: rgb('.$sensorReading['value'].')"></span>';

        }
    ?>

</body>
</html>

## demo.html
<html>
<head>
    <meta charset="UTF-8">
    <title>Demo</title>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">

    <script type="text/javascript" src="https://code.jquery.com/jquery-2.2.3.min.js"></script>
    <script type="text/javascript">
        // change background according to sensor value
        function updateBackgroundColor() {
            var url = "https://api.particle.io/v1/devices/390024001347343338333633/light?access_token=fa2405080d01b918e0574a0f23a0b06c64332305";

            $.getJSON( url, function( data ) {


                //var color = data.result / 4 + 100 ;

                var color = colorTemperatureToRGB(data.result * 10);

                console.log(color, "rgb(" + color.r + "," + color.g + "," + color.b + ")");

                // update text
                $('#lightval').text(data.result);

                // update bg color
                $('body,html').css('background-color', "rgb(" + color.r + "," + color.g + "," + color.b + ")");
            });

            setTimeout(updateBackgroundColor, 0);
        }

        setTimeout(updateBackgroundColor, 100);

        //
        function proportion(value,max,minrange,maxrange) {
            return Math.round(((max-value)/(max))*(maxrange-minrange))+minrange;
        }

        function colorTemperatureToRGB(kelvin){
            var temp = kelvin / 100;
            var red, green, blue;
            if( temp <= 66 ){
                red = 255;
                green = temp;
                green = 99.4708025861 * Math.log(green) - 161.1195681661;
                if( temp <= 19){
                    blue = 0;
                } else {
                    blue = temp-10;
                    blue = 138.5177312231 * Math.log(blue) - 305.0447927307;
                }
            } else {
                red = temp - 60;
                red = 329.698727446 * Math.pow(red, -0.1332047592);
                green = temp - 60;
                green = 288.1221695283 * Math.pow(green, -0.0755148492 );
                blue = 255;
            }
            return {
                r : Math.floor(clamp(red,   0, 255)),
                g : Math.floor(clamp(green, 0, 255)),
                b : Math.floor(clamp(blue,  0, 255))
            }
        }

        function clamp( x, min, max ) {

            if(x<min){ return min; }
            if(x>max){ return max; }

            return x;

        }
    </script>
</head>
<body>
<h2>Lysstyrke: <span id="lightval" ></span></h2>
</body>
</html>

## readvariable.php
<?php

// API address
//                                                DEVICE ID        VARIABLE                         ACCESS TOKEN
$url = "https://api.particle.io/v1/devices/390024001347343338333633/light?access_token=fa2405080d01b918e0574a0f23a0b06c64332305";

// download from url
$resultString = file_get_contents($url);


$resultObject = json_decode($resultString);

echo $resultObject->result;


?>
	<?php

	// device info
	$deviceID = "390024001347343338333633";
	$accessToken = "fa2405080d01b918e0574a0f23a0b06c64332305";
	$command = "setcolor";

	// api url
	$url = "https://api.particle.io/v1/devices/".$deviceID."/".$command."?access_token=".$accessToken;


	/**
	* Do a POST requests
	* @param string $url
	* @param string $data
	* @return string
	*/
	function makePostRequest($url, $data) {

	// konfiguration for POST-request
	$options = array(
	'http' => array(
	'header' => "Content-type: application/x-www-form-urlencoded\r\n",
	'method' => 'POST',
	'content' => http_build_query($data)
	)
	);

	$context = stream_context_create($options);

	$result = file_get_contents($url, false, $context);

	if ($result === FALSE) {
	// noget gik galt
	die("http error, check photon is online");
	}

	return $result;
	}

	?>

	<html>
	<head>
	<meta charset="UTF-8">
	<title>Led Control</title>
	</head>
	<body>
	<form action="" method="POST">
	<input type="radio" name="color" value="0,0,255"> Blue
	<input type="radio" name="color" value="0,255,0"> Green
	<input type="radio" name="color" value="255,0,0"> Red
	<input type="radio" name="color" value="0,0,0"> Sluk<br>
	<input type="submit" value="Update led">
	</form>

	<h3>Output</h3>

	<?php

	// check if POST data has been submitted
	if (isset($_POST['color'])) {
	$color = $_POST['color'];

	// photon forventer et parameter kaldet "args" med værdien.
	$data = [];
	$data['args'] = $color;

	// send post request og læs svar.
	$response = makePostRequest($url, $data);

	var_dump($response);
	}
	?>

	</body>
	</html>
	<?php

	require_once('dbConnection.php');

	// device info
	$deviceID = "390024001347343338333633";
	$accessToken = "fa2405080d01b918e0574a0f23a0b06c64332305";
	$command = "setcolor";

	$sensor_name = 'tricolor_led';
	// api url
	$url = "https://api.particle.io/v1/devices/".$deviceID."/".$command."?access_token=".$accessToken;
	/**
	* Do a POST requests
	* @param string $url
	* @param string $data
	* @return string
	*/
	function makePostRequest($url, $data) {
	// konfiguration for POST-request
	$options = array(
	'http' => array(
	'header' => "Content-type: application/x-www-form-urlencoded\r\n",
	'method' => 'POST',
	'content' => http_build_query($data)
	)
	);
	$context = stream_context_create($options);
	$result = file_get_contents($url, false, $context);
	if ($result === FALSE) {
	// noget gik galt
	die("http error, check photon is online");
	}

	return $result;
	}
	?>

	<html>
	<head>
	<meta charset="UTF-8">
	<title>Led Control</title>

	<style type="text/css">

	span{
	display: inline-block;
	height: 20px;
	margin: 5px;
	width: 20px;
	}

	</style>

	</head>
	<body>
	<form action="" method="POST">
	<input type="radio" name="color" value="0,0,255"> Blue
	<input type="radio" name="color" value="0,255,0"> Green
	<input type="radio" name="color" value="255,0,0"> Red
	<input type="radio" name="color" value="0,0,0"> Sluk<br>
	<input type="submit" value="Update led">
	</form>

	<h3>Output</h3>

	<?php
	// check if POST data has been submitted
	if (isset($_POST['color'])) {
	$color = $_POST['color'];
	// photon forventer et parameter kaldet "args" med værdien.
	$data = [];
	$data['args'] = $color;

	$sql = "INSERT INTO sensor_data(sensor_name, value)
	VALUES (:sensor_name, :value)";

	$sth = $db->prepare($sql);

	$sth->bindValue(':sensor_name' , $sensor_name);
	$sth->bindValue(':value', $color);

	$sth->execute();

	// send post request og læs svar.
	$response = makePostRequest($url, $data);
	var_dump($response);
	}
	?>

	<br>
	<br>

	<?php

	$sql = "SELECT sensor_name, value, reg_date
	FROM sensor_data";

	$sth = $db->prepare($sql);

	$sth->execute();

	$result = $sth->fetchAll();

	// echo "<pre>";
	// print_r($result);
	// echo "</pre>";


	foreach ($result as $sensorReading)
	{
	// echo "<pre>";
	// print_r($sensorReading);
	// echo "</pre>";

	echo '<span style="background-color: rgb('.$sensorReading['value'].')"></span>';

	}
	?>

	</body>
	</html>
	<?php

	// API address
	// DEVICE ID VARIABLE ACCESS TOKEN
	$url = "https://api.particle.io/v1/devices/390024001347343338333633/light?access_token=fa2405080d01b918e0574a0f23a0b06c64332305";

	// download from url
	$resultString = file_get_contents($url);


	$resultObject = json_decode($resultString);

	echo $resultObject->result;


	?>