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node-red-nodes/io/serialport/25-serial.html

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HTML

<!--
Copyright 2013,2015 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/x-red" data-template-name="serial in">
<div class="form-row node-input-serial">
<label for="node-input-serial"><i class="fa fa-random"></i> Serial Port</label>
<input type="text" id="node-input-serial">
</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">
</div>
</script>
<script type="text/x-red" data-help-name="serial in">
<p>Reads data from a local serial port.</p>
<p>Can either <ul><li>wait for a "split" character (default \n). Also accepts hex notation (0x0a).</li>
<li>wait for a timeout in milliseconds for the first character received</li>
<li>wait to fill a fixed sized buffer</li></ul></p>
<p>It then outputs <b>msg.payload</b> as either a UTF8 ascii string or a binary Buffer object.</p>
<p>If no split character is specified, or a timeout or buffer size of 0, then a stream of single characters is sent - again either as ascii chars or size 1 binary buffers.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('serial in',{
category: 'input',
defaults: {
name: {name:""},
serial: {type:"serial-port",required:true}
},
color:"BurlyWood",
inputs:0,
outputs:1,
icon: "serial.png",
label: function() {
var serialNode = RED.nodes.node(this.serial);
return this.name||(serialNode?serialNode.label().split(":")[0]:"serial");
},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
</script>
<script type="text/x-red" data-template-name="serial out">
<div class="form-row node-input-serial">
<label for="node-input-serial"><i class="fa fa-random"></i> Serial Port</label>
<input type="text" id="node-input-serial">
</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">
</div>
</script>
<script type="text/x-red" data-help-name="serial out">
<p>Provides a connection to an outbound serial port.</p>
<p>Only the <b>msg.payload</b> is sent.</p>
<p>Optionally the new line character used to split the input can be appended to every message sent out to the serial port.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('serial out',{
category: 'output',
defaults: {
name: {name:""},
serial: {type:"serial-port",required:true}
},
color:"BurlyWood",
inputs:1,
outputs:0,
icon: "serial.png",
align: "right",
label: function() {
var serialNode = RED.nodes.node(this.serial);
return this.name||(serialNode?serialNode.label().split(":")[0]:"serial");
},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
</script>
<script type="text/x-red" data-template-name="serial-port">
<div class="form-row">
<label for="node-config-input-serialport"><i class="fa fa-random"></i> Serial Port</label>
<input type="text" id="node-config-input-serialport" style="width:60%;" placeholder="/dev/ttyUSB0"/>
<a id="node-config-lookup-serial" class="btn"><i id="node-config-lookup-serial-icon" class="fa fa-search"></i></a>
</div>
<div class="form-row">
<table><tr>
<td width="102px"><i class="fa fa-wrench"></i> Settings</td>
<td width="100px">Baud Rate</td>
<td width="80px">Data Bits</td>
<td width="80px">Parity</td>
<td width="80px">Stop Bits</td>
</tr><tr><td>&nbsp;</td>
<td>
<select type="text" id="node-config-input-serialbaud" style="width: 100px;">
<option value="115200">115200</option>
<option value="57600">57600</option>
<option value="38400">38400</option>
<option value="19200">19200</option>
<option value="9600">9600</option>
<option value="4800">4800</option>
<option value="2400">2400</option>
<option value="1800">1800</option>
<option value="1200">1200</option>
<option value="600">600</option>
<option value="300">300</option>
<option value="200">200</option>
<option value="150">150</option>
<option value="134">134</option>
<option value="110">110</option>
<option value="75">75</option>
<option value="50">50</option>
</select>
</td><td>
<select type="text" id="node-config-input-databits" style="width: 80px;">
<option value="8">8</option>
<option value="7">7</option>
<option value="6">6</option>
<option value="5">5</option>
</select>
</td><td>
<select type="text" id="node-config-input-parity" style="width: 80px;">
<option value="none">None</option>
<option value="even">Even</option>
<option value="mark">Mark</option>
<option value="odd">Odd</option>
<option value="space">Space</option>
</select>
</td><td>
<select type="text" id="node-config-input-stopbits" style="width: 80px;">
<option value="2">2</option>
<option value="1">1</option>
</select>
</td>
</tr></table><br/>
<div class="form-row">
<label><i class="fa fa-sign-in"></i> Input</label>
</div>
<div class="form-row" style="padding-left: 10px;">
Split input
<select type="text" id="node-config-input-out" style="margin-left: 5px; width:200px;">
<option value="char">on the character</option>
<option value="time">after a timeout of</option>
<option value="count">into fixed lengths of</option>
</select>
<input type="text" id="node-config-input-newline" style="width:50px;">
<span id="node-units"></span>
</div>
<div class="form-row" style="padding-left: 10px;">
and deliver
<select type="text" id="node-config-input-bin" style="margin-left: 5px; width: 150px;">
<option value="false">ascii strings</option>
<option value="bin">binary buffers</option>
</select>
</div>
<br/>
<div id="node-config-addchar">
<div class="form-row">
<label><i class="fa fa-sign-out"></i> Output</label>
</div>
<div class="form-row">
<input style="width: 30px;margin-left: 10px; vertical-align: top;" type="checkbox" id="node-config-input-addchar"><label style="width: auto;" for="node-config-input-addchar">add split character to output messages</label>
</div>
</div>
<div class="form-tips" id="tip-split">Tip: the "Split on" character is used to split the input into separate messages. It can also be added to every message sent out to the serial port.</div>
<div class="form-tips" id="tip-bin" hidden>Tip: In timeout mode timeout starts from arrival of first character.</div>
</script>
<script type="text/javascript">
RED.nodes.registerType('serial-port',{
category: 'config',
defaults: {
//name: {value:""},
serialport: {value:"",required:true},
serialbaud: {value:57600,required:true},
databits: {value:8,required:true},
parity: {value:"none",required:true},
stopbits: {value:1,required:true},
newline: {value:"\\n"},
bin: {value:"false"},
out: {value:"char"},
addchar: {value:false}
},
label: function() {
this.serialbaud = this.serialbaud || 57600;
this.databits = this.databits || 8;
this.parity = this.parity || 'none';
this.stopbits = this.stopbits || 1;
return this.serialport+":"+this.serialbaud+"-"+this.databits+this.parity.charAt(0).toUpperCase()+this.stopbits;
},
oneditprepare: function() {
var previous = null;
$("#node-config-input-out").on('focus', function () { previous = this.value; }).change(function() {
if (previous == null) { previous = $("#node-config-input-out").val(); }
if ($("#node-config-input-out").val() == "char") {
if (previous != "char") { $("#node-config-input-newline").val("\\n"); }
$("#node-units").text("");
$("#node-config-addchar").show();
$("#tip-split").show();
$("#tip-bin").hide();
}
else if ($("#node-config-input-out").val() == "time") {
if (previous != "time") { $("#node-config-input-newline").val("0"); }
$("#node-units").text("ms");
$("#node-config-addchar").hide();
$("#node-config-input-addchar").val("false");
$("#tip-split").hide();
$("#tip-bin").show();
}
else {
if (previous != "count") { $("#node-config-input-newline").val(""); }
$("#node-units").text("chars");
$("#node-config-addchar").hide();
$("#node-config-input-addchar").val("false");
$("#tip-split").hide();
$("#tip-bin").hide();
}
});
try {
$("#node-config-input-serialport").autocomplete( "destroy" );
} catch(err) {
}
$("#node-config-lookup-serial").click(function() {
//$("#node-config-lookup-serial-icon").removeClass('fa fa-search');
//$("#node-config-lookup-serial-icon").addClass('fa fa-spinner');
$("#node-config-lookup-serial").addClass('disabled');
$.getJSON('serialports',function(data) {
//$("#node-config-lookup-serial-icon").addClass('fa fa-search');
//$("#node-config-lookup-serial-icon").removeClass('fa fa-spinner');
$("#node-config-lookup-serial").removeClass('disabled');
var ports = [];
$.each(data, function(i, port){
ports.push(port.comName);
});
$("#node-config-input-serialport").autocomplete({
source:ports,
minLength:0,
close: function( event, ui ) {
$("#node-config-input-serialport").autocomplete( "destroy" );
}
}).autocomplete("search","");
});
});
}
});
</script>