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

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<script type="text/javascript">
RED.nodes.registerType('mraa-gpio-pwm',{
category: 'Intel gpio',
color: '#a6bbcf',
paletteLabel: 'pwm',
defaults: {
name: {value:""},
pin: {value:"", required: true},
period: { value:"100", required: true }
},
inputs:1,
outputs:0,
icon: "arrow.png",
align: "right",
label: function() {
if (this.pin === "14") {
return "LED";
} else {
return this.name||"PWM D"+this.pin;
}
},
labelStyle: function() {
return this.name?"node_label_italic":"";
},
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"; }
$('#type-tip').text(t);
$('#node-input-pin').val(pinnow);
});
$.getJSON('mraa-version/'+this.id,function(data) {
$('#ver-tip').text(data);
});
var setstate = function () {
if ($('#node-input-set').is(":checked")) {
$("#node-set-state").show();
} else {
$("#node-set-state").hide();
}
};
$("#node-input-set").change(function () { setstate(); });
setstate();
}
});
</script>
<script type="text/x-red" data-template-name="mraa-gpio-pwm">
<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="3">D3</option>
<option value="5">D5</option>
<option value="6">D6</option>
<option value="9">D9</option>
<option value="10">D10</option>
<option value="11">D11</option>
</select>
</div>
<div class="form-row">
<label for="node-input-period"><i class="fa fa-clock-o"></i> Period</label>
<input type="text" id="node-input-period" placeholder="number" 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="type-tip">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-pwm">
<p>A pulse width modulation (PWM) output pin for an Intel Galileo or Edison board.</p>
2016-03-02 14:25:52 +01:00
<p>The <code>msg.payload</code> should contain a floating point number value
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between 0 and 1, (or a string representation thereof.)</p>
<p>For servo control set the period to 20mS and vary the input between 0.05 and 0.10</p>
<p><b>Note</b> : Only pins 3, 5, 6, 9, 10 & 11 support PWM output.</p>
</script>