node-red-nodes/io/rawserial/26-rawserial.html

<!--
  Copyright 2013 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="rawserial in">
    <div class="form-row">
        <label for="node-input-port"><i class="fa fa-random"></i> Port</label>
        <input type="text" id="node-input-port" placeholder="COM1">
    </div>
    <div class="form-row">
        <label for="node-input-out"><i class="fa fa-cut"></i> split input</label>
        <select type="text" id="node-input-out" style="width:52%;">
            <option value="char">when character received is</option>
            <option value="time">after a fixed timeout of</option>
        </select>
        <input type="text" id="node-input-splitc"  style="width:50px;">
        <span id="node-units"></span>
    </div>
    <div class="form-row">
        <label for="node-input-bin"><i class="fa fa-sign-in"></i> and deliver</label>
        <select type="text" id="node-input-bin" style="width: 77%;">
            <option value="false">ascii strings</option>
            <option value="true">binary buffers</option>
        </select>
    </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>
        var previous = null;
        $("#node-input-out").on('focus', function () { previous = this.value; }).change(function() {
            if (previous == null) { previous = $("#node-input-out").val(); }
            if ($("#node-input-out").val() == "char") {
                if (previous != "char") { $("#node-input-splitc").val("\\n"); }
                $("#node-units").text("");
            }
            else {
                if (previous != "time") { $("#node-input-splitc").val("0"); }
                $("#node-units").text("ms");
            }
        });
    </script>
</script>

<script type="text/x-red" data-help-name="rawserial in">
    <p>Uses a simple read of the serial port as a file to input data.</p>
    <p>You MUST set the baud rate etc <i>externally</i> before starting Node-RED. For example.</p>
    <p>Windows<pre>mode COM1:9600,n,8,1</pre>
    <p>Linux<pre>stty -F /dev/ttyUSB0 9600</pre>
    <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>
    <p>Should only really be used if you can't get npm serialport installed properly.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('rawserial in',{
        category: 'advanced-input',
        color:"BurlyWood",
        defaults: {
            name: {value:""},
            splitc: {value:"\n"},
            out: {value:"char"},
            bin: {value:"false"},
            port: {value:"", required:true}
        },
        inputs:0,
        outputs:1,
        icon: "serial.png",
        label: function() {
            return this.name||this.port||"Raw Serial";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>

<script type="text/x-red" data-template-name="rawserial out">
    <div class="form-row">
        <label for="node-input-port"><i class="fa fa-random"></i> Port</label>
        <input type="text" id="node-input-port" placeholder="COM1">
    </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="rawserial out">
    <p>Uses a simple file write to output <b>msg.payload</b> to the serial port.</p>
    <p>You MUST set the baud rate etc <i>externally</i> before starting Node-RED. For example.</p>
    <p>Windows<pre>mode COM1:9600,n,8,1</pre>
    <p>Linux<pre>stty -F /dev/ttyUSB0 9600</pre>
    <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>
    <p>Should only really be used if you can't get npm serialport installed properly.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('rawserial out',{
        category: 'advanced-input',
        color:"BurlyWood",
        defaults: {
            name: {value:""},
            split: {value:""},
            port: {value:"", required:true}
        },
        inputs:1,
        outputs:0,
        icon: "serial.png",
        align: "right",
        label: function() {
            return this.name||this.port||"Raw Serial";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>