db/2894.xml

   1 <?xml version="1.0" encoding="ISO-8859-1"?>
   2 <?xml-stylesheet type="text/xsl" href="helma.xsl"?>
   3 <xmlroot xmlns:hop="http://www.helma.org/docs/guide/features/database">
   4   <hopobject id="2894" name="spacebrew" prototype="Page" created="1374363966505" lastModified="1374364867044">
   5   <hop:parent idref="2471" prototyperef="Page"/>
   6     <is_xhtml type="boolean">true</is_xhtml>
   7     <http_remotehost>127.0.0.1</http_remotehost>
   8     <http_language>en-US,en;q=0.8</http_language>
   9     <uri>spacebrew</uri>
  10     <http_browser>Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.71 Safari/537.36</http_browser>
  11     <time type="date">20.07.2013 19:01:07 CDT</time>
  12     <hopsession>127.0.0.13.7.64.jzdxkm1pger2</hopsession>
  13     <body>&lt;h1&gt;&lt;a href=&quot;http://spacebrew.cc&quot; class=&quot;external&quot;&gt;Spacebrew&lt;/a&gt;&lt;/h1&gt;\r
  14 &lt;iframe width=&quot;950&quot; height=&quot;800&quot; src=&quot;http://spacebrew.github.io/spacebrew/admin/admin.html?server=sandbox.spacebrew.cc&quot;&gt;&lt;/iframe&gt;\r
  15 &lt;script src=&quot;/static/sb.js&quot;&gt;&lt;/script&gt;\r
  16 &lt;script src=&quot;/static/bonescript.js&quot;&gt;&lt;/script&gt;\r
  17 &lt;script&gt;\r
  18 (function(){\r
  19 setTargetAddress(&apos;192.168.7.2&apos;, {initialized: run});\r
  20 function run() {\r
  21     var b = require(&apos;bonescript&apos;);\r
  22     var random_id = &quot;0000&quot; + Math.floor(Math.random() * 10000);\r
  23     var app_name = &quot;BeagleBone Bacon Cape &quot; + random_id.substring(random_id.length-4);\r
  24 \r
  25     var button = &quot;P8_19&quot;;\r
  26     var slider = &quot;P9_36&quot;;\r
  27     var led_red = &apos;P9_42&apos;;\r
  28     var led_green = &apos;P9_14&apos;;\r
  29     var led_blue = &apos;P9_16&apos;;\r
  30     var buttonState = b.HIGH;\r
  31     var sliderState = 0;\r
  32 \r
  33     // configure digital I/O pins\r
  34     b.pinMode(button, b.INPUT);\r
  35     b.pinMode(led_red, b.OUTPUT);\r
  36     b.pinMode(led_green, b.OUTPUT);\r
  37     b.pinMode(led_blue, b.OUTPUT);\r
  38     \r
  39     // create spacebrew client object\r
  40     var sb = new Spacebrew.Client({reconnect:true});\r
  41     \r
  42     // set the base description\r
  43     sb.name(app_name);\r
  44     sb.description(&quot;This spacebrew client runs on BeagleBoard.org with&quot; +\r
  45         &quot; BoneScript and interacts with BeagleBone and the Bacon Cape.&quot;);\r
  46     \r
  47     // configure the publication and subscription feeds\r
  48     sb.addPublish(&quot;buttonPress&quot;, &quot;boolean&quot;, &quot;false&quot;);\r
  49     sb.addPublish(&quot;slider&quot;, &quot;range&quot;, &quot;0&quot;);\r
  50     sb.addSubscribe(&quot;red&quot;, &quot;range&quot;, &quot;0&quot;);\r
  51     sb.addSubscribe(&quot;green&quot;, &quot;range&quot;, &quot;0&quot;);\r
  52     sb.addSubscribe(&quot;blue&quot;, &quot;range&quot;, &quot;0&quot;);\r
  53     \r
  54     // override Spacebrew events - this is how you catch events coming from Spacebrew\r
  55     sb.onOpen = onOpen;\r
  56     sb.onRangeMessage = onRangeMessage;\r
  57     \r
  58     // connect to spacbrew\r
  59     sb.connect();\r
  60     \r
  61     function onOpen() {\r
  62         setInterval(readButton, 100);\r
  63         setInterval(readSlider, 100);\r
  64     }\r
  65     \r
  66     function readButton() {\r
  67         b.digitalRead(button, onButtonRead);\r
  68     }\r
  69     \r
  70     function onButtonRead(x) {\r
  71         if(buttonState != x.value) {\r
  72             buttonState = x.value;\r
  73             sb.send(&quot;buttonPress&quot;, &quot;boolean&quot;, (x.value == b.LOW) ? &quot;true&quot; : &quot;false&quot;);\r
  74         }\r
  75     }\r
  76     \r
  77     function readSlider() {\r
  78         b.analogRead(slider, onSliderRead);\r
  79     }\r
  80     \r
  81     function onSliderRead(x) {\r
  82         if(sliderState != x.value) {\r
  83             sliderState = x.value;\r
  84             sb.send(&quot;slider&quot;, &quot;range&quot;, &quot;&quot; + parseInt(x.value * 1023, 10));\r
  85         }\r
  86     }\r
  87     \r
  88     function onRangeMessage(name, value) {\r
  89         var intensity = 1.0 - (value/1023);\r
  90         switch(name) {\r
  91             case &quot;red&quot;: \r
  92                 b.analogWrite(led_red, intensity);\r
  93                 break;\r
  94             case &quot;blue&quot;: \r
  95                 b.analogWrite(led_blue, intensity);\r
  96                 break;\r
  97             case &quot;green&quot;: \r
  98                 b.analogWrite(led_green, intensity);\r
  99                 break;\r
 100         }\r
 101     }\r
 102 }\r
 103 })();\r
 104 &lt;/script&gt;</body>
 105     <pseudoparent idref="2471" prototyperef="Page"/>
 106     <http_referer>http://beagleboard.org/support/BoneScript/spacebrew/edit</http_referer>
 107     <http_host>beagleboard.org</http_host>
 108     <user>jkridner@gmail.com</user>
 109     <lang>en-us</lang>
 110   </hopobject>
 111 </xmlroot>