node-red-contrib-brads-i2c-nodes/sensors/bmp280-node.html

Brad's Node RED i2c sensor modules.

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<!-- Sample html file that corresponds to the 99-sample.js file              -->
<!-- This creates and configures the onscreen elements of the node           -->

<!-- If you use this as a template, update the copyright with your own name. -->

<!-- First, the content of the edit dialog is defined.                       -->

<script type="text/x-red" data-template-name="bmp280">
    <div class="form-row">
        <span><i class="fa fa-microchip" aria-hidden="true"></i> BMP280 Temperature/Pressure Sensor I2C Configuration</span>
    </div>

    <div class="form-row">
        <label for="node-input-topic"><i class="fa fa-tasks"></i> Topic</label>
        <input type="text" id="node-input-topic" placeholder="Topic">
    </div>
    <br/>

    <div class="form-row">
        <label for="node-input-address"><i class="fa fa-address-card-o" aria-hidden="true"></i> I2C Address</label>
         <select id="node-input-address">
            <option value="118">0x76 (SDO to GND)</option>
            <option value="119">0x77 (default)</option>
        </select>
    </div>
    <br/>

    <div class="form-row">
        <label for="node-input-tresolution"><i class="fa fa-thermometer-full" aria-hidden="true"></i> Temperature Resolution</label>
         <select id="node-input-tresolution">
            <option value="32">+/- 0.009 ℉</option>
            <option value="64">+/- 0.0045 ℉</option>
            <option value="96">+/- 0.00225 ℉</option>
            <option value="128">+/- 0.001125 ℉</option>
            <option value="160">+/- 0.0005625 ℉</option>
        </select>
    </div>
    <br/>

    <div class="form-row">
        <label for="node-input-presolution"><i class="fa fa-thermometer-empty" aria-hidden="true"></i> Pressure Resolution</label>
         <select id="node-input-presolution">
            <option value="4">+/- 0.000773685 inches Hg</option>
            <option value="8">+/- 0.000386843 inches Hg</option>
            <option value="12">+/- 0.000193421 inches Hg</option>
            <option value="16">+/- 0.000096711 inches Hg</option>
            <option value="20">+/- 0.000048355 inches Hg</option>
        </select>
    </div>
    <br/>

    <div class="form-row">
        <label for="node-input-powermode"><i class="fa fa-power-off" aria-hidden="true"></i> Power Mode</label>
         <select id="node-input-powermode">
            <option value="0">Sleep</option>
            <option value="1">Force (Best - lowest Power)</option>
            <option value="3">Normal</option>
        </select>
    </div>
    <br/>

   <!-- Each of the following divs creates a field in the edit dialog.       -->
   <!-- Generally, there should be an input for each property of the node.   -->
   <!-- The for and id attributes identify the corresponding property        -->
   <!-- (with the 'node-input-' prefix).                                     -->
   <!-- The available icon classes are defined Font Awesome Icons (FA Icons) -->

    <!-- By convention, most nodes have a 'name' property. The following div -->
    <!-- provides the necessary field. Should always be the last option      -->
    <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>


<!-- Next, some simple help text is provided for the node.                   -->
<script type="text/x-red" data-help-name="bmp280">
   <!-- data-help-name identifies the node type this help is for             -->
   <!-- This content appears in the Info sidebar when a node is selected     -->
   <!-- The first <p> is used as the pop-up tool tip when hovering over a    -->
   <!-- node in the palette.                                                 -->
   <p>Simple sample input node. Just sends a single message when it starts up.
   This is not very useful.</p>
   <p>Outputs an object called <code>msg</code> containing <code>msg.topic</code> and
   <code>msg.payload</code>. msg.payload is a String.</p>
</script>

<!-- Finally, the node type is registered along with all of its properties   -->
<!-- The example below shows a small subset of the properties that can be set-->
<script type="text/javascript">
  RED.nodes.registerType('bmp280',{
    category: 'i2c sensors',      // the palette category
    defaults: {             // defines the editable properties of the node
      name: {value:'bmp280'},   //  along with default values.
      topic: {value:"", required:false},
      address: {value: 0x77, required: true, validate:RED.validators.number() },
      powermode: {value:1, validate:RED.validators.number() },
      tresolution: {value:160, validate:RED.validators.number() },
      presolution: {value:20, validate:RED.validators.number() }
    },
    color: '#75aaff',
    inputs: 1,  // set the number of inputs - only 0 or 1
    outputs: 2,  // set the number of outputs - 0 to n
    icon: 'chip.png',
    // set the icon (held in icons dir below where you save the node)
    label: function() {     // sets the default label contents
      return this.name||this.topic||"bmp280";
    },
    labelStyle: function() { // sets the class to apply to the label
      return this.name?"node_label_italic":"";
    },
    oneditsave: function() {
      this.log( Number(this.tresolution) );
      this.address = Number(this.address);
      this.powermode = Number(this.powermode);
      this.tresolution = Number(this.tresolution);
      this.presolution = Number(this.presolution);
    }

  });
</script>