Re: [Spca50x-devs] Sony Visual Communication Camera VGP-VCC1

[Emmanuel Araman <manu@xxxxxxxxxx>]

Hello, 

I'm am new on this list and I've currently just "lurked" at the list for few 
weeks, so I'm not really experimented on this driver (and driver development 
in general).

I have the same camera and tried few hacks to make it work, but currently 
without success (and I don't have time to work on that right now). Here is 
what i guess about it:
- The VC0321 chipset seems similar to the VC0301, but with some little 
differences ( you may find some info about how it works for zc0301 here: 
http://zc0302.sourceforge.net/zc0302.php?page=docs)
- the sensor is OV7660 (found in Windows Registry info)
The simple (and dirty) test I did was to make linux do exactely the same USB 
commands as Windows does, but I did not manage to get data (even if sometimes 
I get the red light of the camera working).
In particular, at the end of the init process, on Windows, there is a call 
to "URB_FUNCTION_RESET_PIPE" and "URB_FUNCTION_GET_CURRENT_FRAME_NUMBER" that 
seem not really existing in Linux. I wonder if it may be the problem.

finally, I think that it's probably just a simple detail that prevent it to 
work correctly (at least for basic functionnality), but I did not find it 
when I made my tests and I had no time to investigate more.

sincerely

Emmanuel Araman


Le Lundi 24 Avril 2006 12:37, Shane Helms a écrit :
> Hello everybody,
> I have a Sony Visual Communication Camera VGP-VCC1 integrated in my
> laptop, and would like to work towards its driver development.
>
> The vendor_id is 0x0ac8 and the product_id is c002.
> Evidently it's not supported by your spca5xx driver.
>
> It's USB controller is by Vimicro, VC0321 USB 2.0 PC camera controller.
> It's part of the ZC0300 series, but differs from the supported
> ZC0301, ZC0301P and ZC0302 in that it's USB2.0 compatible.
>
> I have no idea what sensor is involved, and would appreciate if
> someone could guide me as to how can I retrieve this.
>
> Furthermore, I've requested for VC0321 datasheets from Vimicro. I
> don't know if it's of any use or if they're gonna even respond ot it,
> but it took a few lines of english and a click of a submit button!
>
> I have a feeling this chipset is just the same as ZC030x but with
> support for USB2.0 for higher image rate. I could well be wrong.
> Have you guys encountered this chipset before? can you guide me as to
> what could I do next?
>
> I thought i'd inform you of these, and perhaps get some directions
> before attempting at USB snooping or so.
>
> I look forward to some replies,
> Thanks,
> Shane
>


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