node-red-contrib-tinkerforge/bricklets/HallEffect.html

Node-RED nodes to access Tinkerforge sensors

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<script type="text/x-red" data-template-name="TinkerForge HallEffect">
	<div class="form-row">
        <label for="node-input-device"><i class="fa fa-tasks"></i> Device</label>
        <input type="text" id="node-input-device" >
    </div>
    <div class="form-row">
    	<label for="node-input-sensor"><i class="fa"></i> Sensor</label>
    	<select id="node-input-sensor"></select>
    </div>
    <div class="form-row">
        <label for="node-input-pollTime"><i class="fa fa-clock"></i> Poll Interval</label>
        <input type="number" id="node-input-pollTime" >
    </div>
    <div class="form-row">
        <label for="node-input-topic"><i class="fa fa-tasks"></i> Topic</label>
        <input type="text" id="node-input-topic" placeholder="Topic">
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="HallEffect">
    </div>
</script>

<script type="text/x-red" data-help-name="TinkerForge HallEffect">
	<p>A input node to poll the value from a Tinkerforge HallEffect bricklet</p>
	<p>Configuration options are:</p>
	<ul>
		<li>Poll inteval - time in seconds between reteriving a new value</li>
	</ul>
	<p>Output:</p>
	<ul>
		<li>msg.payload - true if a magnetic field (>35 gauss) is detected</li>
	</ul>
</script>

<script type="text/javascript">
	RED.nodes.registerType("TinkerForge HallEffect",{
		category: 'TinkerForge',
		defaults: {
			device: {type: "TinkerForgeConfig", required: true},
			sensor: {required: true},
			pollTime: {value: "10", required: true},
			name: {},
			topic: {}
		},
		outputs: 1,
		inputs: 0,
		label: function() {
			return this.name || "TinkerForge HallEffect";
		},
		paletteLabel: 'HallEffect',
		color: 'gray',
		icon: 'tf.png',
		oneditprepare: function() {
			var node = this;

			if (node.device) {
				var key = $('#node-input-device').val();
				$.getJSON('TinkerForge/' + key +"/sensors/" + 240, function(data){
					$('#node-input-sensor').find('option').remove().end();
					for (d in data) {
						$('<option/>',{
							value: data[d].uid,
							text: data[d].uid + " - " + data[d].position
						}).appendTo('#node-input-sensor');
					}
					if (node.sensor) {
						$('#node-input-sensor').val(node.sensor);
					}
				});
			} else {
				console.log("no device");
			}

			$('#node-input-device').change(function(){
				var dev = $('#node-input-device').val();
				if (dev) {
					var key = dev;
					$.getJSON('TinkerForge/' + key +"/sensors/" + 240, function(data){
						$('#node-input-sensor').find('option').remove().end();
						for (d in data) {
							$('<option/>',{
								value: data[d].uid,
								text: data[d].uid + " - " + data[d].position
							}).appendTo('#node-input-sensor');
						}
						if (node.sensor) {
							$('#node-input-sensor').val(node.sensor);
						}
					});
				} else {
					console.log("no device");
				}
			});

			if (node.sensor) {
				$('#node-input-sensor').val(node.sensor);
			}
		}
	});
</script>