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node-red-nodes/hardware/intel/mraa-gpio-ain.html

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<script type="text/javascript">
RED.nodes.registerType('mraa-gpio-ain',{
category: 'Intel gpio',
color: '#a6bbcf',
paletteLabel: 'analogue',
defaults: {
name: {value:""},
pin: {value:"", required: true, validate:RED.validators.number()},
interval: {value:"100", required: true, validate:RED.validators.number()}
},
inputs:0,
outputs:1,
icon: "arrow.png",
label: function() {
return this.name||"A"+this.pin;
},
oneditprepare: function() {
var pinnow = this.pin;
$.getJSON('mraa-gpio/'+this.id,function(data) {
var t = "unknown";
if (data === 0) { t = "Galileo v1"; }
if (data === 1) { t = "Galileo v2"; }
if (data === 2) { t = "Edison Fab C"; }
if (data === 3) { t = "DE3813 Baytrail"; }
if (data === 4) { t = "Minnow Max"; }
if (data === 5) { t = "Raspberry Pi"; }
if (data === 6) { t = "Beaglebone"; }
if (data === 7) { t = "Banana"; }
$('#btype').text(t);
$('#node-input-pin').val(pinnow);
});
$.getJSON('mraa-version/'+this.id,function(data) {
$('#ver-tip').text(data);
});
}
});
</script>
<script type="text/x-red" data-template-name="mraa-gpio-ain">
<div class="form-row">
<label for="node-input-pin"><i class="fa fa-circle"></i> Pin</label>
<select type="text" id="node-input-pin" style="width:250px;">
<option value='' disabled selected style='display:none;'><span data-i18n="rpi-gpio.label.selectpin"></span></option>
<option value="0">A0</option>
<option value="1">A1</option>
<option value="2">A2</option>
<option value="3">A3</option>
<option value="4">A4</option>
<option value="5">A5</option>
</select>
</div>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-clock-o"></i> Interval</label>
<input type="text" id="node-input-interval" placeholder="Interval" style="width:250px;"> mS
</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="Name" style="width: 250px;">
</div>
<div class="form-tips">Board : <span id="btype">n/a</span><br/>mraa version : <span id="ver-tip">n/a</span></div>
</script>
<script type="text/x-red" data-help-name="mraa-gpio-ain">
<p>An analogue input pin for an Intel Galileo or Edison board that is read every <i>interval</i> milliseconds.</p>
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<p>The <code>msg.payload</code> will contain the value, and <code>msg.topic</code>
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contains "{the_board_name}/A{the pin number}".</p>
<p>The value is only sent if it is different from the previously read value.</p>
</script>