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Retrieving available USB modes in WRT

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This code snippet demonstrates how to obtain available USB modes in a device by using the SystemInfo Service API of the Web Runtime (WRT) 1.1.

Article Metadata
Tested with
Devices(s): Nokia 5800 XpressMusic
Compatibility
Platform(s): S60 5th Edition
S60 5th Edition
Article
Keywords: device.getServiceObject(), Service.SysInfo, Service.SysInfo.GetInfo()
Created: kiran10182 (25 Dec 2008)
Last edited: hamishwillee (09 May 2013)

Note.pngNote: The SystemInfo Service API for WRT 1.1 is only available from S60 5th Edition onwards.

Contents

Source file: index.html

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script type="text/javascript" src="basic.js"></script>
<script type="text/javascript" src="WRTKit/WRTKit.js"></script>
<style type="text/css">
@import url("basic.css");
</style>
</head>
<body onload="init()">
</body>
</html>

Source file: basic.js

var systemServiceObj = null;
 
// Called from the onload event handler to initialize the widget.
function init()
{
try
{
systemServiceObj = device.getServiceObject("Service.SysInfo", "ISysInfo");
}
catch (ex)
{
alert("System Service object cannot be found.");
return;
}
getAvailableUSBModes();
}
 
// General Information
function getAvailableUSBModes()
{
// Initialize the criteria for the service object and obtain the
// information
var criteria = new Object();
criteria.Entity = "General";
criteria.Key = "AvailableUSBModes";
try {
var result = systemServiceObj.ISysInfo.GetInfo(criteria);
}
catch (ex)
{
alert(ex);
return;
}
 
var USBListArray = result.ReturnValue.StringList;
 
// read and print all USB Mode name and information
for (var i=0; i<USBListArray.length; i++)
{
alert(USBListArray[i]);
}
}

Postconditions

  • Displays available USB modes in the device.

Supplementary material

This page was last modified on 9 May 2013, at 03:13.
37 page views in the last 30 days.

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