node-red-contrib-canbus/canutils/cansend.html

A set of node-red nodes used for socketcan utilities

<!--
  Copyright (C) 2015 - Rajesh Sola <rajeshsola@gmail.com>

  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.
-->
<!-- Prepared based on Sample html file,99-sample.html.demo
     that corresponds to the 99-sample.js file-->

<script type="text/x-red" data-template-name="cansend">
    <div class="form-row">
        <label for="node-input-config"><i class="fa fa-tasks"></i>Config</label>
        <input type="text" id="node-input-config" placeholder="Config">
    </div>
    <br/>
    <div class="form-row">
        <label for="node-input-canid"><i class="fa fa-tasks"></i> Can ID</label>
        <input type="text" id="node-input-canid" placeholder="CanId">
    </div>
    <br/>
    <div class="form-row">
        <label for="node-input-payload"><i class="fa fa-tasks"></i> Data</label>
        <input type="text" id="node-input-payload" placeholder="Data">
    </div> 
    <br/>
</script>


<!-- Next, some simple help text is provided for the node.                   -->
<script type="text/x-red" data-help-name="cansend">
   <p>Simple node to send a can frame with specified channel and id,data will be
   taken as input in the form of msg.payload ,like from inject node</p>
   <p>This node considers input as per following priority sequence <br/>
   1.msg.canid, msg.payload are valid <br/>
   2.msg.payload is in the form of canid#data <br/>
   3.In absence of msg.canid or msg.payload 
   4.In absence of canid,data in incoming message or node configuration
   random canid, random data will be generated.<br/>
   Please make sure msg.payload is not in the form of id#data when msg.canid is valid
   </p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('cansend',{
	category: 'can bus',      // the palette category
	color: '#a6bbcf',
        defaults: {             // defines the editable properties of the node
	    config: {type:"canconfig",required:true},
	    canid: {value:"128"},
	    payload : {value:""}
        },
        inputs:1,               // set the number of inputs - only 0 or 1
        outputs:0,              // set the number of outputs - 0 to n
        // set the icon (held in icons dir below where you save the node)
        icon: "myicon.png",     // saved in  icons/myicon.png
        label: function() {     // sets the default label contents
            return this.name||"cansend";
        },
        labelStyle: function() { // sets the class to apply to the label
            return this.channel?"node_label_italic":"";
        }
    });
</script>