Zaurus Debian "etch (testing)" Cradle Synchronization Configuration
Copyright ©2006 Andrew De Ponte.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with the Invariant Sections being Front-Cover Texts, with the Front-Cover Texts being abstract. A copy of the license is included in the section entitled "GNU Free Documentation License".
- Required Driver
- Network Configuration
- Zaurus and Desktop Meet
- Watching the Log File
- Plugging in the Cradle
- Plugging in the Zaurus
- Turning on the Zaurus
- Checking Configuration
- Checking Routing
- Testing Connectivity
- GNU Free Documentation License
The stock Debian etch kernel 2.6.16 has built-in driver support for the Zaurus hence you need not do anything if you are using this kernel. The driver (kernel module) which is used for the Zaurus is the usbnet driver.
The Zaurus driver (usbnet) is actually a driver which allows a USB device to act as a network device. The power of this is that it allows applications written for standard network protocols to work over the USB connection between the Zaurus and the computer. Since this driver basically creates a network device, one has to setup a configuration file so that the network device is automatically brought up and configured by system. This driver (usbnet) creates a USB Ethernet device, normally named (usb0). This device needs to have the address of 192.168.129.1, a class C network address, due to the fact that the address of the Zaurus is 192.168.129.201, a class C network address.
The method for configuring network devices in debian is to add an entry to the /etc/network/interfaces configuration file. The /etc/network/interfaces file should contain the following:
auto usb0 allow-hotplug usb0 iface usb0 inet static address 192.168.129.1 netmask 255.255.255.0 network 192.168.129.0 broadcast 192.168.129.255
On the Zaurus end of things, the Zaurus must have its IP address set as well. This is done on Sharp ROMs by using their PC Link application. Go to the PC Link application on your Zaurus. It can be found on your Zaurus under the Settings tab. Once in the PC Link application, you want to make sure the Zaurus hostname is set to ``zaurus'' (without the quotes) and that the USB IP address of the Zaurus is set to ``192.168.129.201'' (without the quotes). You also want to make sure that the proper connection type is selected. The USB - TCP/IP (advanced) option, should be the connection option that is selected in the drop down list for the connection type. If it is NOT then select it. After, the above have been performed tap the OK button to apply your changes.
It is now time for the Zaurus and the Debian Desktop to meet.
Now, one will want to know that everything is working properly. Hence, they would want to see the log output of what ever they are doing. In this case one wants to see the log output of the kernel, kernel modules, and hotplug system. To do so one would run the following command in a terminal as super user:
# tail -f /var/log/messages
Keep this terminal open and visible throughout the following process for it will display changes made to log file as things are performed.
At this stage one should plug in their empty Zaurus cradle into a working USB port on their Debian box. Note: You will not see anything happen in the /var/log/messages tail yet because the cradle isn't the device, the cradle is basically just a spiffy wire that holds the Zaurus rather than just connecting the Zaurus.
At this stage one should take their Zaurus, in powered off state, and place it fully into the cradle. Note: You still won't see anything in the /var/log/messages tail yet because the Zaurus is off.
Turn on your Zaurus, leaving it in the cradle. You should see in the /var/log/messages tail something similar to the following:
Sep 12 13:26:13 devtux kernel: usb 1-1: new full speed USB device using ohci_hcd and address 3 Sep 12 13:26:13 devtux kernel: usb 1-1: configuration #1 chosen from 1 choice Sep 12 13:26:13 devtux kernel: usb0: register 'zaurus' at usb-0000:00:02.0-1, pseudo-MDLM (BLAN) device, 82:1e:3b:d9:c9:23
At this point you should now run the following as super user to check if the driver was loaded properly and the device configured properly:
# /sbin/ifconfig usb0
You should see the following:
usb0 Link encap:Ethernet HWaddr 82:1E:3B:D9:C9:23 inet addr:192.168.129.1 Bcast:192.168.129.255 Mask:255.255.255.0 inet6 addr: fe80::801e:3bff:fed9:c923/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:21 errors:0 dropped:0 overruns:0 frame:0 TX packets:6 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2251 (2.1 KiB) TX bytes:492 (492.0 b)
This shows that the system used the /etc/network/interfaces file to configure the device for you automatically when the device was found.
Now, you should exit super user mode and run the following:
$ netstat -rn
You should see a line in the output that looks as follows:
Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 192.168.129.0 0.0.0.0 255.255.255.0 U 0 0 0 usb0
This shows that the system used the /etc/network/interfaces file to configure your routing tables so that the IP packets are routed to the proper devices for the proper address. In this case it shows that the 192.168.129 class C address family is routed out the usb0 device, which is correct.
Now, that everything has happened as expected, it is time to test connectivity between the Zaurus and the Debian box. You can do this by running the following command:
$ ping 192.168.129.201
You should see output similar to the following:
PING 192.168.129.201 (192.168.129.201) 56(84) bytes of data. 64 bytes from 192.168.129.201: icmp_seq=1 ttl=255 time=3.26 ms 64 bytes from 192.168.129.201: icmp_seq=2 ttl=255 time=1.15 ms 64 bytes from 192.168.129.201: icmp_seq=3 ttl=255 time=1.33 ms 64 bytes from 192.168.129.201: icmp_seq=4 ttl=255 time=1.56 ms 64 bytes from 192.168.129.201: icmp_seq=5 ttl=255 time=1.75 ms 64 bytes from 192.168.129.201: icmp_seq=6 ttl=255 time=0.940 ms
As you can see 6 pings were sent and 6 echos were received. You should see similar output in the results of your ping. To stop the ping press Ctrl-C in the terminal window you are running the ping in. The time just shows the unit of time which it took to get an echo back from each ping packet.
If you got output that looked similar to the above then you are good and you are ready to use this connection to do what ever you want.
After the previous has been performed all should be good. All one should have to do is leave the sync cradle plugged into the box at all times and put the Zaurus in and power it on and off as needed for synchronization. Note: The Zaurus does not have to be in powered off state when it is plugged in the cradle, that is just how I decided to present it in this document for consistency.
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The translation was initiated by John McCullough on 2006-09-19
- Required Driver
- Network Configuration
- Zaurus and Desktop Meet
- Watching the Log File
- Plugging in the Cradle
- Plugging in the Zaurus
- Turning on the Zaurus
- Checking Configuration
- Checking Routing
- Testing Connectivity
- GNU Free Documentation License
- APPLICABILITY AND DEFINITIONS
- VERBATIM COPYING
- COPYING IN QUANTITY
- COMBINING DOCUMENTS
- COLLECTIONS OF DOCUMENTS
- AGGREGATION WITH INDEPENDENT WORKS
- FUTURE REVISIONS OF THIS LICENSE
- About this document ...