Gertjan,
> I agree with your comment, 'it can not be done from userspace'. Do
you
> know if it can be done with the kernel driver that I am trying to get
> to compile ? If not, I am save my time and move on to a different
> vendor....
Yes, it will easily do 5kHz sampling. The sampling frequency I am
using for my project is 5.3kHz and I have never had a problem. I have
also had it working up to 20kHz.
Were you hoping to sample more than one channel at the same time
though? If so, you just have to realise that it is multiplexed, so
reading two channels at 5kHz is similar to reading one at 10kHz. Now
again, I know this works, I have been reading three channels at 5kHz
ok, but you probably wont be able to read all eight at that frequency.
I am still looking over my code to make sure the driver is working as
efficiently as possible so that you can get the most out of it. One
slightly unfortunate thing is that the busy signal from the ADC hasn't
been routed back to an interruptable source for the ARM. So in some
modes the driver has to waste cycles polling the busy signal. If
anyone disagrees with this, I would be happy to hear that I have
overlooked something and that it can be done?? :)
And as to your problems with the -ts11 kernel, I will attempt to build
the driver against that, and see if I can give you some feedback.
Cheers
Phil
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