Re: AO waveforms on PCI-6713

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On Tuesday 30 March 2004 07:01 pm, Don Taber wrote:
> I just installed comedi 0.7.68 with comedilib 0.7.21.  I have a single
> PCI-6713 card. Single inputs and outputs work fine, but the ao_waveform
> demo (and my attempts to imitate it) crash with perror reporting "write:
> Broken pipe".

Yes, it should work.  You need to modify ao_waveform to preload more 
samples before starting the output command, as the underflow detection is 
rather coarse-grained (and the board's hardware fifos are large).

- -- 
Frank

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Received on 2004-03-30Z23:40:08