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

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<!--
Copyright 2015 IBM Corp.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<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>