[chbot] FPGAs again ... Info so far

[Hanno Sander]

I advise lots of caution with these I2C cameras.
While I have been successful with an analog NTSC camera, I've been unable to
reliably get RAW images from I2C cameras.  For my DanceBot I used a high
speed ADC to grab full frame rate video coming from a greyscale composite
camera.
I've tried a number of I2C cameras but never achieved much success.  The
forum posts also don't inspire much confidence- doesn't look like anyone
actually got them to work- after being on the market for years.  In my
experience the datasheets/manuals are too incomplete/buggy to get things
running.  I think they have too many configurable options- of which only one
works as advertised.

Please, please show me wrong- ideally I'd love to get raw RGB frames at vga
quality and decent speed ~1fps out of a digital camera.

Hanno

On Thu, Jul 28, 2011 at 10:22 AM, Charles Manning
<manningc2 at actrix.gen.nz>wrote:

> On Thursday 28 July 2011 08:42:39 Richard Jones wrote:
> > Just an idle thought. I wonder how good the chosen FPGA solution is at
> a->d
> > and d->a conversion? Just wondering about machine vision applications.
>
> The ADC on the board is too limited for video handling, but a digital
> camera
> interface would be good. For example  USD10 will buy
> you:http://www.sparkfun.com/products/8668 or
> http://www.sparkfun.com/products/8667
>
> One of those + FPGA + 32MB of SDRAM and you should be able to do something
> interesting.
>
>
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