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Wi-Drive User’s Guide

User’s GuideDocument version: 1.01

October 2009

Dension Wi-DriveVersion: WID11GEN

(Firmware 1.01)

This document describes how to operate Wi-Drive and use the Wi-Drive Utility software.

So please read carefully and follow the hints of this document to make the best use of your device.

© Dension Audio Systems 1(13)


1 Introduction

1.1 About Dension Wi-Drive

Dension Wi-Drive allows a vehicle to become part of your home or office wireless network. When the vehicle is parked within your WLAN's coverage area, Wi-Drive can be set to regularly connect with your home computer, and automatically and wirelessly synchronize your car's storage with the multimedia content on your home PC.

By plugging in a 3G USB dongle, or via your 3G Phone, your car can become an Access Point, giving Internet access to any wireless device in the vehicle. Passengers can check their email, kids can surf the net; the world is literally at your fingertips.

Based on the Dension Wi-Drive platform new software applications can offer more and more interesting applications, such as Internet radio, e-mail access, and many more.

Visit www.dension.com/widrive in order to get the latest news and feature improvements on Dension Wi-Drive.

1.2 Block diagram

1. Figure: Block diagram

1.3 Device connections and indicators



2. Figure: Device connections and indicators

1.4 Wi-Drive Utility Software

Wi-Drive Utility (WDU) is a software tool which runs on your home or office computer to set Wi-Drive connection parameters and manage downloads.

Normally WDU runs in the background, and it automatically detects, when Wi-Drive is connecting. WDU informs you with a popup message, and it performs automatic synchronization with specified folders, or you can perform manual downloads to Wi-Drive as a Network Attached Storage or via FTP.

Of course your computer must be able to establish Wi-Fi connection with Wi-Drive. Your options are:

Use a Wi-Fi router - Wi-Drive should be set as a Station (like a notebook)

Directly with your Wi-Fi laptop - Wi-Drive should be set as an Access Point (AP, like a Wi-Fi Router).

1.5 Wi-Drive Operating Modes

DURING Ignition OFF

Standby/Sleep mode

Wi-Drive is inactive and waits only for scheduled wakeups, or any other change in input status (ignition, Push button, timeout). On wakeups Wi-Drive will enter Access Point and/or Station mode as configured. Ignition on will enter Wi-Drive to Access Point mode if configured; short Push button press will enter Wi-Drive to Access Point/Station mode as configured.

Car radio can access (play) the pen-drive connected to Wi-Drive’s USB Storage slot.

Access Point mode

Wi-Drive provides an Access Point (if configured) and allows clients to log in as if it was a regular Wi-Fi router. After entering this mode Wi-Drive stays on for 5 minutes or as long WDU or 3G network is connected. Upon time-out or disconnection Wi-Drive enters Station mode. Short Push button press enters Wi-Drive to Station mode.

If car radio is turned ON when WDU connected, the data transfer will be closed and car radio can access (play) the pen-drive connected to Wi-Drive’s USB Storage slot.

Station mode© Dension Audio Systems 3(13)


Wi-Drive tries to establish connection with the configured Wi-Fi networks for 20 seconds, if no networks available Wi-Drive will enter standby. After connecting Wi-Drive stays on for 5 minutes. If WDU connects during this period Wi-Drive stays on until WDU disconnects and stays on for another 5 minutes before entering Standby/Sleep mode. Short Push button press enters Wi-Drive to Standby/Sleep mode.

If car radio is turned ON when WDU connected, the data transfer will be closed and car radio can access (play) the pen-drive connected to Wi-Drive’s USB Storage slot, Wi-Drive will enter Standby/Sleep mode.

Upon engine running Wi-Drive will switch to Access Point mode.

DURING Ignition ON

Standby/Sleep mode

Wi-Drive is inactive, and waits for change in input status (ignition, Push button). Short Push button press will enter Wi-Drive to Access Point if configured.

Car radio can access (play) the pen-drive connected to Wi-Drive’s USB Storage slot.

Access Point mode

Wi-Drive provides an Access Point (if configured) and allows clients to log in as if it was a regular Wi-Fi router. After entering this mode Wi-Drive stays on until ignition is on. Short Push button press enters Wi-Drive to Station mode.

If car radio is turned ON when WDU connected, the data transfer will be closed and car radio can access (play) the pen-drive connected to Wi-Drive’s USB Storage slot.

Station mode

Wi-Drive tries to establish connection with the configured Wi-Fi networks for 20 seconds, if no networks available Wi-Drive will enter standby. After connecting, Wi-Drive stays on for 5 minutes. If WDU connects during this period Wi-Drive stays on until WDU disconnects and stays on for another 5 minutes before entering Standby/Sleep mode. Short Push button press enters Wi-Drive to Standby/Sleep mode.

If car radio is turned ON when WDU is connected, the data transfer will be closed and the car radio can access (play) the pen-drive connected to Wi-Drive’s USB Storage slot, Wi-Drive will enter Standby/Sleep mode.

2 About WDUWDU is a software tool to manage Wi-Drive connections and downloads. You can specify libraries to be automatically synchronized, or perform manual downloads to Wi-Drive as a Network Attached Storage or via FTP. The computer running WDU must be able to establish a connection with Wi-Drive. If WDU is running, it automatically detects Wi-Drive’s connection, informs you with a popup message, and performs automatic synchronization if enabled.

2.1 Connection options

Access Point mode

In this mode Wi-Drive creates a wireless Access Point by itself (like a wireless router) which your computer can connect to.



3. Figure: PC running WDU connects to Wi-Drive’s Access Point like to a router.

Station mode

In this mode Wi-Drive connects to an existing wireless router (Access Point) as a Station (like a notebook).

4. Figure: Wi-Drive connects to a WLAN router like the PC running WDU.

2.2 Installing WDU

Please see the Wi-Drive Installation Manual.

3 WDU User interfaceNormally WDU runs in the background, and it automatically detects, when Wi-Drive is connecting. If running in tray mode, click on the logo to open the application interface. Move your mouse over the different controls and information on the running application and you see a detailed description of that function.

3.1 Status

3.1.1 IP Address

Shows Wi-Drive’s IP address if connected.

3.1.2 Free space

Shows free space on the USB memory connected to Wi-Drive (Free / Total).

If you don’t see a value than you can’t browse your files (connection problem, or file system problem on the storage).

3.1.3 Disconnect now

Disconnect the connected Wi-Drive. Wi-Drive goes to Sleep/Standby mode.

3.2 Preferences

Synchronize automatically: if Wi-Drive is connected, WDU can automatically check if synchronization is necessary and perform the sync.



Shutdown after sync: set WDU to shutdown the computer when synchronization finished.

Keep device connected: if Wi-Drive is connected the connection stays alive.

ATTENTION: there is no connection time-out active. If you don’t close the connection, Wi-Drive will disconnect automatically when the “battery low voltage level protection” is reached.

3.3 Information

3.3.1 Name

Shows Wi-Drive’s name.

3.3.2 Serial no

Shows Wi-Drive’s serial number.

3.3.3 Version

Shows Wi-Drive’s version number (firmware / hardware).

3.4 Settings

3.4.1 More preferences

Network drive: specify a drive letter for Wi-Drive storage as a network drive. Once set and if Wi-Drive is connected you can use it as a network drive and browse, copy, paste, move, delete etc. files and folders.

Start FTP client automatically: if Wi-Drive is connected the user defined ftp application with the given arguments will start automatically.

Rsync client: specify the path to the Rsync client program that performs the synchronization (included in the install package).

Updates: WDU checks new version availability automatically and initiates updates from Dension’s web site automatically.

3.4.2 Install Wizard

The Install Wizard helps you to perform a smooth wireless setup between your computer and Wi-Drive, and also enables changes to different settings. See chapter 4.

3.4.3 Advanced setup

If Wi-Drive is connected, advanced users can change all the settings on Wi-Drive’s web interface. Clicking on the button will launch a browser. See chapter 5.

3.5 Synchronization

Add: create a new entry in the synchronization list.



Specify the folder on your computer (double click in the name field to Browse) (example: C:\myMusic\)

Specify synchronization direction and mode

Specify folder on the car’s USB storage (example: music/myMusic). If no folder is specified, the files will be copied to the USB storage’s root directory.

Click on the arrow below Direction to change synchronization mode.

Synchronization is off

Synchronize computer folder to Wi-Drive

Synchronize computer folder to Wi-Drive and delete content from the computer

Synchronize Wi-Drive folder to the computer

Synchronize Wi-Drive folder to the computer and delete content from Wi-Drive

Delete: delete the selected entry from the synchronization list

4 Install Wizard

4.1 Install Wizard

The Install Wizard helps you to perform a smooth wireless setup between your computer and Wi-Drive, and also enables changes to different settings.

Advanced: if Wi-Drive is connected, advanced users can change all the settings on Wi-Drive’s web interface. Clicking on the button will launch a browser. See Advanced setup in chapter 5.

Getting started: WDU use a USB storage memory to carry configuration data between Wi-Drive and the computer. Insert the USB storage memory first to Wi-Drive and turn on and off the device. Then insert this USB storage memory to the computer and select this drive (you need to specify the drive to continue).

Wi-Drive name: specify a descriptive name for the Wi-Drive device to indentify it (default: dension-widrive).

Click NEXT

Station mode

Add: specify the name (SSID) and the password key of the network you want to connect to. You can configure more networks if needed. When more configured networks are available for connection, Wi-Drive will connect to the strongest.



Choose: lists the wireless networks configured on your computer, you can filter the available networks only.

Edit: change the name and password of the selected network.

Delete: delete the selected network settings.

Click NEXT

Access Point mode

Name: specify the name (SSID) of the wireless network Wi-Drive will create.

Password: specify the password of the wireless network Wi-Drive will create. If no encryption needed, leave it blank.

Click NEXT

Network settings

You can review the settings you made. Please note that the Scheduled connections settings can be changed in Advanced setup only.

Click NEXT

Settings are saved to the USB pen-drive, you can safely remove it and plug it to Wi-Drive that will read and store the new settings.

Click FINISH to close the Wizard.

5 Advanced SetupWi-Drive has a built in web-interface that you can access with an Internet Browser to see and change settings.

WEB-interface address: http://192.168.10.1

Default password: password

Click on the following tabs to see and change settings:

Device info

You can set Wi-Drive’s name here, click Apply to set the change.

AP mode


http://192.168.10.1/


You can set the Access Point mode configuration; click Apply to set the changes.

Station mode

You can set the Station mode configuration here.

Enter the settings and click Add to create new entry. You can also delete an entry by clicking Delete. Click Apply to save changes.

If more configured networks are available at the same time, the network with the strongest signal level will be connected.

Wakeup

According to the defined schedule Wi-Drive wakes up and tries to initiate connection to the configured networks. It can wake up in Station mode, or Access Point mode followed by Station mode, or can be switched off (stays in sleep) for that period.

Enter time range (From, Until) in HH:MM format (24H), Period (minutes) and Mode and click Add to make a new entry in the list. For example, if From=06:00, Until=12:00, Period=30, than Wi-Drive will wake up in this period in every 30 minutes. You can delete an entry by clicking Delete.

Click Apply to save the changes.

3G Internet

You can set your 3G USB modem configuration here. Maximum two entries can be created with different settings. Note that if you have two entries, the PIN must be changed when you activate the other configuration!

Wi-Drive contains presets for several countries and operators, please first check the preset list and select your operator in your country. After selecting it the settings will be populated, you can make changes manually if necessary and click Add. You can set all parameters manually, please consult your operator if not listed.

Enter the modem’s PIN code (if any) into the Authentication code field. Leave blank if not used.

Set On demand: check this if you want Wi-Drive to connect when a device needs Internet connection and disconnect on network inactivity.

Set Roaming: check this if you allow Internet access when roaming.

Set Limit: leave this 0 (not used yet).

Click the Active button in the list to select the active configuration.

Click Apply to save changes.

Bluetooth

Configure and activate your bluetooth connections.

Change password

Change the web-interface password here and click Apply to save changes.

6 How to use, practical usage guide

6.1 Internet radio operation

If you have active 3G Internet connection you can play Internet radio stations on your radio. Download the Internet radio configuration files (from www.dension.com/widrive) to a pendrive and plug it in to one of the USB Extension ports while playing music from the Storage memory. Wi-Drive will enter to Internet radio mode and play the first Internet radio playlist



file. You can edit the pre-set stations by changing the playlists in the /netradio directory. Please use maximum 5 playlists on a single pendrive. Wi-Drive supports pls and m3u playlists.

You can turn off Internet radio mode by plugging out the configuration pendrive.

6.2 Wireless download/synchronization

While the car is parked Wi-Drive mainly spends it’s time in Sleep/Standby mode. The USB Storage device is connected to the Wi-Fi engine; hence the car stereo does not need it, anyway. On a scheduled rhythm Wi-Drive wakes up, and looks for available Wi-Fi networks. If both AP and Station modes are enabled, than Wi-Drive provides the preset Acces Point network first, and waits for 5 minutes for any client connection. If no Clients are connected, then Wi-Drive switches to Station mode and looks for all the predefined networks. If none of these are available in 20 seconds, then Wi-Drive goes to Sleep/Standby mode again.

If one or other mode is not enabled, then it’s period is implicitly missing.

6.3 Downloading vs. listening to music

You cannot both download/sync and listen to your music stored on the USB Storage at the same time. If Wi-Drive woke up from a sleep on schedule, download has priority. The USB Storage is constantly ready to receive new content, as long as WDU is connected. So, if you turn the head unit on during a scheduled download, no music will be heard, and download won't stop. If Wi-Drive woke up on Push button press, Ignition key on or radio on events, playback has a priority. It means if a playback is in progress and WDU connects, the USB Storage won't be taken away, music keeps on playing and WDU will report a download error. This situation persists as long as the radio is on. Once the radio is off (more precisely, it has released the USB Storage), WDU can download new content. If the radio is turned on in the middle of a download, the transfer stops and WDU will complain about transfer problems.

When the car is in use again, then the USB Storage device is connected back to the radio, and you can enjoy the new, wirelessly downloaded content.

6.4 Wi-Drive as an Access Point

When the car is on (Ignition key is turned on, or the engine is running) then Wi-Drive connects the USB Storage port to the Radio, and provides Access Point operation according to the settings. If a 3G modem is connected to the USB Extension port, than a 3G internet access is established and shared on-demand.

When the car is turned off, then AP mode stays on for 5 minutes, or until 3G Internet is up.

6.5 Car Battery protection

In normal installation cases Wi-Drive uses the car’s battery during the regularly scheduled download activity. Since download may take a long time (hours), the car battery has to be protected against discharge.

Wi-Drive features a dual level battery protection scheme. Wi-Drive continuously monitors the voltage level of the car battery, and when it reaches a preset level (11,7V) Wi-Drive activates a graceful disconnection process, i.e. the connection will be terminated after the pending file has been transferred. If the files are large in size, and the transfer may not finish quickly enough, Wi-Drive maintains a second protection level (11,5V), where it turns off unconditionally. The same protection is active if clients are connected in Access Point mode.



6.6 Firmware update

If allowed, WDU can download the latest firmware for Wi-Drive. After downloading it to your PC, WDU will send the file to Wi-Drive when connection established (free space needed on the storage). Wi-Drive will read the update and reboot itself.

You can also update the firmware manually, by copying the update file to a USB Flash drive and insert it into Wi-Drive.

6.7 Copying large amount of data

If you have a large music collection (8-64 GB or larger) that you would like to use with Wi-Drive and synchronize additional content we suggest the following procedure.

First connect the USB storage directly to your PC and copy the content. Then connect your storage to Wi-Drive in the car and setup the synchronization settings in WDU, so additional files/folders will be synchronized automatically. Please make sure that the folders on your PC and the folder on your USB storage is set in the sync setting as you initially copied the content. Of course, you can perform the initial copy by the synchronization, however with large collections it can take a longer time over WLAN.

6.8 Network attached storage management

You can manage the content on the USB Storage connected to Wi-Drive like a Network attached storage. In order to do this, start WDU, specify the drive letter WDU shall use, check the “Keep device connected”, switch on Wi-Drive and establish the Wi-Fi connection. WDU will connect, and from Windows you can manage the content on the specified drive letter. Do not forget to disconnect Wi-Drive, by un-checking the “Keep device connected”, or clicking on “Disconnect now” button.

6.9 Clock

Wi-drive’s internal clock is updated by WDU upon connection. If Wi-Drive is powered from a cigarette lighter that does not provide continuous power, Wi-Drive’s clock and wakeup schedule will be out of date.

7 Quick reference guideTurn on Wi-Drive from Sleep/Standby mode

You can turn-on Wi-Drive by the following ways:

Switch-on ignition.

Press the Push button for 2 seconds.

Wait for the scheduled wake-up.

Turn off Wi-Drive

You can turn-off Wi-Drive by the following ways:

Turn-off ignition, Wi-Drive will enter to Sleep/Standby mode after time-outs.

Press the Push button for 2 seconds in AP mode to enter Station mode, and press the button again for 2 seconds.

Rsync is a client application that performs the synchronization between the computer and Wi-Drive. Rsync is installed with the WDU software package.



WLAN protocols

Wi-Drive can operate according to 802.11g standard, so devices compatible with this standard can connect. The net bit rate of the 802.11g mode is 54 Mbit/s; however in real life scenarios the throughput is highly dependent on many factors.



Push Button functions:Press Duration Function

Short 1..2 sec Equals to a Car on / Car off cycle.Start 5 minutes AP mode (if enabled), than 2 minutes Station mode (if enabled)

Long 2..6 sec Forced switch from AP to Station mode.When pressed in Station mode Wi-Drive goes to sleep mode.

Very long

8..16 sec Restore all factory default settings

Double Short

2 press in 1 second

Manual reboot from AP and Station modes.

Status LED indications:

The different operation modes of Wi-Drive are indicated by the Status LED.Color Blinking Status

Orange Fast Wi-Drive operating system is booting upOrange Steady System firmware update is in progress. Do not disconnect

Wi-drive’s power line!!!Red Short pulse Wi-Drive is in Standby (sleeping) mode.Red Slow Station mode, connection trial is in progress.Red Fast Station mode, connected to an Access Point.Red Steady Station mode, connection established with WDU.Green Slow AP mode is provided, but no clients connected.Green Fast AP mode is provided, and at least one client is connected.Green Continuous AP mode is provided, connection established with WDU.Green-Orange

Fast AP mode is provided, and 3G Internet access is active. During WDU connection, the Internet status is not indicated.

Green-Orange

Slow AP mode is provided, and 3G Internet access is active

Signal LED indications:

The number of blinks in two seconds of the Signal LED indicates the signal strength of the actual Wi-Fi connection in Station mode. Three blinks indicates the strongest, one blink is the weakest signal reception. This functionality is active only when Wi-Drive is connected.


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