[ltp] OT: usb data capture hardware?

[Alex Deucher]

You'll probably have more luck on linux-kernel.

Alex

On 6/6/06, Richard Neill <rn214@hermes.cam.ac.uk> wrote:
> Dear All,
>
> Please excuse this being slightly off-topic: I thought someone here may
> have experience of what I'm trying to do.
>
> Basically, I have an astrophysics sensor system which generates a 16-bit
> wide output (from an ADC), with a rising-edge clock every time the
> output has changed.  The data rate is somewhere between 1-5 MHz, and I
> need to get this into a computer.
>
> So far:
>
>    1)  It's too fast for a parallel port (unfortunately - or it
>        would be ideal)
>
>    2)  The FTDI chip system, such as the DLP-245M is nearly ideal:
>        it implements a parallel port over USB, and has pre-existing
>        GPL drivers - but it is only USB 1.1, so too slow.
>
>    3)  The current solution I've been fighting with is a QuickUSB Module,
>        for which we have reverse-engineered drivers, but it's pretty
>        ghastly, and not reliable.
>
>
> So, any Ideas?
>
>
> Thanks very much for your help,
>
> Richard
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