[cpia] Creative Video Blaster WebCam II

[Blaise Gassend]

Hi Chris,

Hum, you seem to have found a bug related to my patch for doing DMA
reads from the CPiA camera. I don't think that the code has been very
widely tested and there may be some difference between your hardware and
mine. I'm afraid I don't have any constructive advice for you. It looks
like the driver is expecting data that the camera isn't sending, to
debug it one would have to look at the details of the communication
between the camera and the computer.

Blaise

Quoted from Cris on Sat, Dec 13, 2003 at 01:50:43PM +0100.
> Hello,
> 
> I have a OLD Creative Video Blaster WebCam II in my Mandrake 9.1, but It works 
> _slooooooowly_ (about 1 frame every second). I have downloaded the lastest 
> cpia drivers from http://webcam.sourceforge.net (the "original" mandrake 9.1 
> drivers was very old!!!!), and I have compiled it and I have copied the files 
> cpia.o cpia_pp.o cpia_usb.o in the directory 
> /lib/modules/2.4.21-0.13mdk/kernel/drivers/media/video.
> 
> In my /etc/modules.conf I have added the lines:
> options cpia_pp partport=0
> options parport_pc io=0x378 irq=7 dma=3
> 
> Now, the frame rate is better (about 10 fps), but after 1 min. running the 
> program doesn't respond. I have used xawtv and camstreams programs with the 
> same results.
> 
> What is it wrong? Maybe, have I to patch the kernel or the paralell port 
> module? 
> 
> Thanks,
> 
> Cris,
> Málaga (SPAIN)
> 
> 
> 
> 
> 
> 
> 
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-- 
Blaise Gassend, PhD Student              Email: gassend@alum.mit.edu
MIT Research Laboratory of Electronics   Phone: (617) 452-3180
Room 36-272A, 77 Massachusetts Avenue    Fax:   (617) 253-9611
Cambridge, MA 02139, USA                 Web:   http://blaisegassend.com