Triggering NI PCI-DIO-96 ( )

Triggering NI PCI-DIO-96

I have an NI PCI-DIO-96 and have downloaded Comedi drivers. I have been able
to run the demo programmes successfully, ie info.c, dio.c. My query relates
to the use of some of the Comedi calling functions. As a (very) novice user,
I'm not sure if it is possible to configure the card, through Comedi, so
that signals received by the PCI-DIO-96 can trigger the card and cause an
interrupt. Is it possible to generate triggers from both positive and
negative transitions on a single input digital channel. The Programmers
Manual refers to handshaking (modes 1, 2 and 3) but the demo programme
'info.c' tells me that 'command: not supported' (from
'comedi_get_cmd_src_mask'. Am I limited to polling the DIO channels (mode 0,
no handshaking, Unstrobbed) or can I configure something a little more
sophisticated? Any guidance gratefully received.

Dave Webb

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Received on 2003-03-03Z12:23:56