node-red-contrib-tinkerforge/bricklets/PiezoSpeaker.html

Node-RED nodes to access Tinkerforge sensors

PiezoSpeaker<!--
-  Copyright 2017 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="TinkerForge PiezoSpeaker">
  <div class="form-row">
        <label for="node-input-device"><i class="fa fa-tasks"></i> Device</label>
        <input type="text" id="node-input-device" >
    </div>
    <div class="form-row">
      <label for="node-input-sensor"><i class="fa"></i> Sensor</label>
      <select id="node-input-sensor"></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="PiezoSpeaker">
    </div>
    <div class="form-row">
        <label for="node-input-frequency"><i class="fa fa-tasks"></i> Frequency</label>
        <input type="number" id="node-input-frequency" placeholder="Frequency">
    </div>
    <div class="form-row">
        <label for="node-input-duration"><i class="fa fa-tasks"></i> Duration</label>
        <input type="number" id="node-input-duration" placeholder="Duration">
    </div>
</script>

<script type="text/x-red" data-help-name="TinkerForge PiezoSpeaker">
  <p>A node to control the Tinkerforge PiezoSpeaker bricklet</p>
  <p>This node accepts a msg with the payload containing a string. The string "true" will toggle the speaker to beep</p>
  <p>Configuration options are:</p>
  <ul>
      <p><li>Frequency - frequency in hz of the beep</li></p>
      <p><li>Duration - duration in ms of the beep</li></p>
  </ul>

</script>

<script type="text/javascript">
  RED.nodes.registerType("TinkerForge PiezoSpeaker",{
    category: 'TinkerForge',
    defaults: {
      device: {type: "TinkerForgeConfig", required: true},
      sensor: {required: true},
      name: {},
      frequency: {},
      duration: {}
    },
    outputs: 0,
    inputs: 1,
    label: function() {
      return this.name || "TinkerForge PiezoSpeaker";
    },
    paletteLabel: 'PiezoSpeaker',
    color: 'gray',
    icon: 'tf.png',
    oneditprepare: function() {
      var node = this;

      if (node.device) {
        var key = $('#node-input-device').val();
        $.getJSON('TinkerForge/' + key +"/sensors/" + 242, function(data){
          $('#node-input-sensor').find('option').remove().end();
          for (d in data) {
            $('<option/>',{
              value: data[d].uid,
              text: data[d].uid + " - " + data[d].position
            }).appendTo('#node-input-sensor');
          }
          if (node.sensor) {
            $('#node-input-sensor').val(node.sensor);
          }
        });
      } else {
        console.log("no device");
      }

      $('#node-input-device').change(function(){
        var dev = $('#node-input-device').val();
        if (dev) {
          var key = dev;
          $.getJSON('TinkerForge/' + key +"/sensors/" + 242, function(data){
            $('#node-input-sensor').find('option').remove().end();
            for (d in data) {
              $('<option/>',{
                value: data[d].uid,
                text: data[d].uid + " - " + data[d].position
              }).appendTo('#node-input-sensor');
            }

            if (node.sensor) {
              $('#node-input-sensor').val(node.sensor);
            }
          });
        } else {
          console.log("no device");
        }
      });

      console.log(node.sensor);

      if (node.sensor) {
        $('#node-input-sensor').val(node.sensor);
      }
    }
  });
</script>