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Re: [Spca50x-devs] Genius Messenger 310




Le dimanche 2 décembre 2007 17:31, Thomas Kaiser a écrit :
> Thomas Kaiser wrote:
> > Guillermo Movia wrote:
> >> 2007/11/27, Thomas Kaiser <spca5xx@xxxxxxxxxxxxxxx>:
> >>> Hello Guillermo
> >>>
> >>> Pixart chip with ID 093a:2624 is not known yet by the driver. Do you
> >>> know what chip is inside your cam? PAC7311? If it is a PAC7311 you can
> >>> add the ID in gspca_core.c.
> >>
> >> No, for i could see, it's PAC7302, at least it's the name that put the
> >> driver folder in windows.
> >>
> >> Thanks
> >> Guillermo
> >>
> >>> Search for 0x093a and look for 0x2600. You just have to add similar
> >>> entries.
> >>>
> >>> Thomas
> >>>
> >>>
> >>> --
> >>> http://www.kaiser-linux.li
> >
> > Hi Guillermo
> >
> > The feature of the PAC7302 looks similar as of the PAC7312.
> > http://www.cgtechnology.com.cn/Html/Proen162.html
> >
> > Can you do a usbsnoop in Windoz and put the file somwhere on the net?
> >
> > Thomas
>
> Hello All
>
> After some private emails between Guillermo and me I will write down a
> little summary of what we found out.
>
> The video stream uses the same "Pixart" JPEG compression as the PAC7311 I
> am working on. I am able to extract and decode pictures from the usbsnoop I
> god from Guillermo :-) But the picture is 90 degree rotated. Instead of
> 640x480 I have to add 480x640 in the JPEG header to get the whole picture.
> And I see the same pixel problem as with the PAC7311. (I found a JPEG Guru
> who is willing to help me on this, I hope we can find the problem)
>
> Register 0x78 seems to turn on the stream. That's the same register like
> PAC7311. Register 0xff seems to be a kind of bank switching as it is on the
> PAC7311. But here it uses values from 0 to 3 and on the PAC7311 only the
> value 1 and 4. Register 0x11 seems to have the same function, too (load
> settings to sensor or strobe).
>
> But everything else I don't know :-(
>
> Let's see if I can buy the same cam here and do some more investigations
> ;-)
>
> Thomas
Thomas,
Good luck ;-)
-- 
Michel Xhaard
http://mxhaard.free.fr

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