usb detection

I can't read your brain wave for the moment. Why don't you just try some of these:

mount /dev/sda1 /disk cp * /disk

devices

to

Hi, thanks for that but I need to write the usb detection code myself because I have to save video data from a camera to it and be able to read the video data from the usb device on an LCD or other displays. Any help with that?

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There is a standard (class) for video over USB. If your camera follows the standard, there is code available for that:

Steve

Do you want to send real-time video over USB, or just save and retrieve files containing video data? In any case, start here and then buy Jan's book:

-- Joe

read

Thanks Steve. I will check it out.

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Hello Joe,

Thanks for the help. So grateful. Yes, I want to send real-time video over USB while streaming from the camera. Any suggestions?

I will check out Jan's book. Been to her website already but never checked her books.

Thanks again and all suggestions are most welcomed.

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try

If you said that earlier, we would have been able to help you quicker. Anyway, first check the list of cameras supported by the kernel. Enable the driver supports in the kernel, as well as Linux for Video features. There are special system calls for picture/video capture available. Google for "Linux for Video".

The term you want is "Video4Linux" or "V4L".

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Hi Joe,

The part of streaming real video from the camera has already been done with Video4Linux. What is left is storing it whiles streaming on to the usb device and playing it later on an LCD. Still reading Jan's book; but any suggestions on this is still most appreciated.

Thanks.

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What usb device? Why can't you just store it in usb mass storage device?

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Hi Linnix, Thanks for the questions. I want to write the program such that any device that has a usb interface and storage can be used to store the video data. That is why am not restricting myself to usb mass storage device.

Any inputs?

Thanks again for your concern.

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