sensortoy/www/js/device/CC2650/cc2650_humidity.js

/**
 *
 * User: Martin Donnelly
 * Date: 2016-05-20
 * Time: 10:13
 *
 */
/* global CAPABILITY, inheritsFrom */
/* global ble  */
/* jshint browser: true , devel: true*/

var CC2650_HUM = function(deviceId) {
  'use strict';
  this.name = 'Humidity';
  this.deviceID = deviceId;
  this.capabilityID = 'F000AA20-0451-4000-B000-000000000000';
  this.serviceDef = {
    service: 'F000AA20-0451-4000-B000-000000000000',
    data: 'F000AA21-0451-4000-B000-000000000000',
    notification: 'F0002902-0451-4000-B000-000000000000',
    configuration: 'F000AA22-0451-4000-B000-000000000000',
    period: 'F000AA23-0451-4000-B000-000000000000'

  };

  this.$result = {temp: null, humidity: null};

  this.startService = function() {
    'use strict';
    if (this.deviceID !== null) {

      console.log('Starting CC2650 Humidity Service on ', this.deviceID);
      console.log(this.serviceDef);
      this.insertFrame();

      ble.startNotification(this.deviceID,
        this.serviceDef.service,
        this.serviceDef.data,
        this.onHumidityData.bind(this),
        this.onError);

      //Turn on barometer
      var humidityConfig = new Uint8Array(1);
      humidityConfig[0] = 0x01;
      ble.write(this.deviceID,
        this.serviceDef.service,
        this.serviceDef.configuration,
        humidityConfig.buffer,
        function() { console.log('Started Humidity.'); },
        this.onError);

    }

  };
  
  this.onHumidityData = function(data) {
    var hStr;
    var tStr;
    console.log(data);
    var message;
    var raw = new Uint16Array(data);

    //-- calculate temperature [°C]
    var temp = (raw[0] / 65536) * 165 - 40;

    //-- calculate relative humidity [%RH]
    var hum = (raw[1] / 65536) * 100;

    tStr = temp + '°C';
    hStr = hum + '%RH';

    message = 'Temperature <br/>' + tStr + 'Humidity <br/>' + pStr;

    this.$result.temp.text(tStr);
    this.$result.humidity.text(hStr);

    this.state = message;

    console.log('Barometer:', this.state);
  };

  this.insertFrame = function() {

    var self = this;
    console.log('Overloading...');
    // Call the parent displayForm first...
    this.superClass_.insertFrame.call(self);

    var temp = this.frameID + '-t';
    var humidity = this.frameID + '-h';
    var row = $('<div />', {class: 'mui-row'});

    $('<div />',
      {class: 'mui-col-xs-3 mui--text-accent', text: 'Temp:'}).appendTo(row);

    $('<div />',
      {class: 'mui-col-xs-3 mui--text-white', id: temp}).appendTo(row);
    $('<div />',
      {
        class: 'mui-col-xs-3 mui--text-accent',
        text: 'Humidity:'
      }).appendTo(row);

    $('<div />',
      {class: 'mui-col-xs-3 mui--text-white', id: humidity}).appendTo(row);

    this.$id.append(row);
    this.$result.temp = $('#' + temp);
    this.$result.humidity = $('#' + humidity);

  };

};

inheritsFrom(CC2650_HUM, CAPABILITY);