--- In "tseredynski" <> wrote:
>
> --- In "charliem_1216" <charliem_1216@> wrote:
> >
> > --- In Jim Jackson <jj@> wrote:
> > >
> > >
> > >
> > >
> > > On Tue, 26 May 2009, j.chitte wrote:
> > >
> > > >
> > > > All this is rather acedemic on TS7250 as supplied since the since the
> > > > 100Hz system clock means the fastest you can get from the driver is
> > > > 10ms
> > > > (yes you lose three orders of magnitude on what the 197 is capable of
> > > > doing).
> > > >
> > > > If you want faster sampling a fair bit of work will be required.
> > >
> > > .. which has already been done in form of the adc kernel driver by
> > > Phillip
> > > McCarley. I think it's in the files area of the group.
> > > It can do sampling at upto aprox 8000Hz.
> > >
> >
> > Yep, that is about the max rate I got. I ported Phil's driver to build
> > under 2.6.19 or so, but haven't looked at it for a while.
> >
> > regards, ....... Charlie
> >
>
>
> Where can I find the file? Or how can I? I looked for a search field under
> files but I can't find one... is there a simple way to find what I want?
>
> Thanks.
>
Go to the 'file' section (on the left panel of the yahoo groups UI), then to
the 'example code' folder, then to the file adc-0.0.2.tgz (or similar). That's
Phil's 2.4 code; the 2.6 code is not posted.
Phil's code will allow you to take samples either equally spaced, or grouped
together and sampled sequentially ASAP.
IE, if sampling channels 1-4, either:
1 ...... 2 ..... 3 ..... 4 ..... 1 .....
Or:
1234 ....1234....1234....1234....1234 ....
regards, ........... Charlie
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