Hello,
I have a problem that looks to me like a FAQ so I would like
to know if someone knows the answer before I learn
by extensive trial and error.
For an experiment I have to read at least two signals (TTL),
preferably more but eight at most, with <=1ms accuracy (the 1ms
is essential, missing an event is ``unacceptable'').
When the signal goes low (or high when that is easier), this
event must be written to disk together with the time.
The signal-rate is about 2Hz and one experiment lasts from 1-4 hours.
It looks to me that the parallel port on a PC together with rtlinux
can do the job but I'm not sure. Does someone have some experience
with this and knows how it can be done?
Thank you very much for your time and for any information you
can give me.
Sincerely,
Fulko
--
Fulko van Westrenen
email: [EMAIL PROTECTED]
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