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https://github.com/node-red/node-red-nodes.git
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Add rawserial, mpd, mysql and swearfilter nodes.
This commit is contained in:
Dave C-J
102
io/rawserial/26-rawserial.html
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102
io/rawserial/26-rawserial.html
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<!--
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Copyright 2013 IBM Corp.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<script type="text/x-red" data-template-name="rawserial in">
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<div class="form-row">
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<label for="node-input-port"><i class="icon-random"></i> Port</label>
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<input type="text" id="node-input-port" placeholder="COM1">
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</div>
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<div class="form-row">
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<label for="node-input-split"><i class="icon-edit"></i> Split on</label>
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<input type="text" id="node-input-split" placeholder="\n">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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<script type="text/x-red" data-help-name="rawserial in">
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<p>Uses a simple read of the serial port as a file to input data.</p>
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<p>You MUST set the baud rate etc <i>externally</i> before starting Node-RED. For example.</p>
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<p>Windows<pre>mode COM1:9600,n,8,1</pre>
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<p>Linux<pre>stty -F /dev/ttyUSB0 9600</pre>
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<p>Note: This node does not implement pooling of connections so only one instance of each port may be used - so in OR out but NOT both.</p>
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<p>Should only really be used if you can't get npm serialport installed properly.</p>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('rawserial in',{
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category: 'advanced-input',
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color:"BurlyWood",
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defaults: {
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name: {value:""},
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split: {value:""},
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port: {value:"", required:true}
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},
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inputs:0,
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outputs:1,
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icon: "serial.png",
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label: function() {
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return this.name||this.port||"Raw Serial";
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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}
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});
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</script>
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<script type="text/x-red" data-template-name="rawserial out">
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<div class="form-row">
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<label for="node-input-port"><i class="icon-random"></i> Port</label>
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<input type="text" id="node-input-port" placeholder="COM1">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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<script type="text/x-red" data-help-name="rawserial out">
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<p>Uses a simple file write to output <b>msg.payload</b> to the serial port.</p>
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<p>You MUST set the baud rate etc <i>externally</i> before starting Node-RED. For example.</p>
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<p>Windows<pre>mode COM1:9600,n,8,1</pre>
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<p>Linux<pre>stty -F /dev/ttyUSB0 9600</pre>
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<p>Note: This node does not implement pooling of connections so only one instance of each port may be used - so in OR out but NOT both.</p>
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<p>Should only really be used if you can't get npm serialport installed properly.</p>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('rawserial out',{
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category: 'advanced-input',
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color:"BurlyWood",
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defaults: {
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name: {value:""},
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split: {value:""},
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port: {value:"", required:true}
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},
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inputs:1,
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outputs:0,
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icon: "serial.png",
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align: "right",
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label: function() {
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return this.name||this.port||"Raw Serial";
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},
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labelStyle: function() {
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return this.name?"node_label_italic":"";
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}
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});
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</script>
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112
io/rawserial/26-rawserial.js
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112
io/rawserial/26-rawserial.js
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/**
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* Copyright 2013 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var RED = require("../../red/red");
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var settings = RED.settings;
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var util = require("util");
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var fs = require('fs');
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var plat = require('os').platform();
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var pre = "\\\\.\\";
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if (! plat.match(/^win/)) {
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util.log("[26-rawserial.js] Advise: Only really needed for Windows boxes without serialport npm module installed.");
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pre = "";
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}
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function RawSerialInNode(n) {
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RED.nodes.createNode(this,n);
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this.port = n.port;
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this.split = n.split||null;
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if (this.split == '\\n') this.split = "\n";
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if (this.split == '\\r') this.split = "\r";
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var node = this;
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var setupSerial = function() {
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node.inp = fs.createReadStream(pre+node.port);
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node.inp.setEncoding('utf8');
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var line = "";
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node.inp.on('data', function (data) {
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if (node.split != null) {
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if (data == node.split) {
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node.send({payload:line});
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line = "";
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}
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else { line += data; }
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}
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else { node.send({payload:data}); }
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});
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//node.inp.on('end', function (error) {console.log("End", error);});
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node.inp.on('close', function (error) {
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util.log("[rawserial] "+node.port+" closed");
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node.tout = setTimeout(function() {
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setupSerial();
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},settings.serialReconnectTime);
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});
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node.inp.on('error', function(error) {
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if (error.code == "ENOENT") { util.log("[rawserial] port "+node.port+" not found"); }
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else { util.log("[rawserial] "+node.port+" error "+error); }
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node.tout = setTimeout(function() {
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setupSerial();
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},settings.serialReconnectTime);
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});
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}
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setupSerial();
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node.on('close', function() {
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if (node.tout) { clearTimeout(node.tout); }
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if (node.inp) { node.inp.pause(); }
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});
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}
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RED.nodes.registerType("rawserial in",RawSerialInNode);
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function RawSerialOutNode(n) {
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RED.nodes.createNode(this,n);
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this.port = n.port;
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var node = this;
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var setupSerial = function() {
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node.oup = fs.createWriteStream(pre+node.port,{ flags:'w', encoding:'utf8', mode:0666 });
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node.on("input", function(msg) {
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if (msg.payload != null) {
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node.oup.write(msg.payload);
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}
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});
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node.oup.on('open', function (error) { util.log("[rawserial] opened "+node.port); });
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node.oup.on('end', function (error) { console.log("End",error); });
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node.oup.on('close', function (error) {
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util.log("[rawserial] "+node.port+" closed");
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node.tout = setTimeout(function() {
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setupSerial();
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},settings.serialReconnectTime);
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});
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node.oup.on('error', function(error) {
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if (error.code == "EACCES") { util.log("[rawserial] can't access port "+node.port); }
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else if (error.code == "EIO") { util.log("[rawserial] can't write to port "+node.port); }
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else { util.log("[rawserial] "+node.port+" error "+error); }
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node.tout = setTimeout(function() {
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setupSerial();
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},settings.serialReconnectTime);
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});
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}
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setupSerial();
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node.on('close', function() {
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if (node.tout) { clearTimeout(node.tout); }
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});
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}
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RED.nodes.registerType("rawserial out",RawSerialOutNode);
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