Re: Simultaneous acquisition

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On Tuesday 15 April 2003 07:25 am, Anne Smorthit wrote:
> Hi,
>
> I am trying to write a comedi driver for the Alphi Technology Ad8 cPCI
> board.  This board has 8 analog inputs which are sampled simultaneously.
> Each channel can have a different gain setting.
>
> Can anyone give me any suggestions as to how to do this?  Simultaneous
> sampling doesn't seem to fit into either comedi_do_insnlist or
> comedi_command.
>
> Could I set cmd->scan_begin_src = cmd->convert_src = TRIG_EXT and set the
> scan size to 1?
>
> Thanks in advance for any help.
>
> Anne Smorthit
>

You can set cmd->convert_src = TRIG_NOW, which indicates that all the 
channels in the chanlist are sampled simultaneously.

- -- 
Frank

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Received on 2003-04-15Z15:01:04