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Joined: 16-April 06
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Last Seen: 26th January 2007 - 11:34 AM
Local Time: Mar 29 2017, 07:19 AM
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3 Jul 2006
I have a Zaurus SL-6000, running the factory Sharp ROM. I need to write my own usb device driver or modify the exisiting one. If it turns out that its not possible to do it with the Sharp ROM, I have installed OZ in the past and I don't mind doing it strictly for this purpose. Sorry if this question doesn't really belong in this forum. I wasn't sure where else to post it. We don't have a "gerneal kernel hacking forum," which would have been the most appropriate one for this post.

Basically, I need to write a small piece of code at the kernel device level, so that the Zaurus can send and receive messages from a computer via the USB interface. Do anyone have any pointers on where I can get started with that?

There is a small usb interface on the Sharp Zaurus docking station, which can be used to transfer files. I was hoping that this should allow me to communicate with the computer.

I went on the Zaurus itself and looked at any modules that deals
with the USB. There seems to be a couple.

# lsmod | grep usb
prism2_usb 68032 1
p80211 18880 1 [prism2_usb]
usbdcore 34544 0 [pxa_bi net_fd]
usbdmonitor 5248 0
usb_ohci_tc6393 24544 0
usbcore 52048 1 [prism2_usb usb_ohci_tc6393]

My initial reaction was to get the corresponding source code, and then modify it, compile it, and reload the module. Does this seem like to be the correct direction?


16 Apr 2006

I need some help on the keyboard device driver of my SL6000 (running the stock SHARP ROM, 2.4.18-rmk7-pxa3-embedix). Any information would be much appreciated.

What I'm trying to do is to modify (or write a new one) the keyboard kernel device driver, so that it would do some addition processing before passing it on to the application. Unfortunately, I'm not sure where to start.

My first question is: how do I identify the current keyboard driver? How do I know if it's in the kernel or its a loadable module? I have the source code of the kernel from the folks where I bought the Zaurus from (http://familiar.sdgsystems.com/pub/zaurus/sl6000/). But how do I know that the source code corresponds to the kernel on my actual Zaurus?

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