Re: ni_mio_common: wait for dma drain timed out

On Sat, 21 Dec 2002, Tomasz Motylewski wrote:

> ni_mio_common: ai error a_status=a4b3
> ni_mio_common: wait for dma drain timed out
> AO TRIG: 1 after INSN_INTTRIG
> 
> If I do AO, I can see only about 400 samples in AI buffer, after that it
> is stopped. But AO works OK after that in continous mode.
> 
> I will use INSN_INTTRIG to start both AI and AO at the same time, but I
> have tried first this way.

With comedi_dio_config(dev,7,6,COMEDI_OUTPUT) , TRIG_EXT for AI as in
comedi_examples/simultaneous_start both input and output work at the same
time. All is done in kernel space, comedi_command called from init_module
context.

Best regards,
--
Tomek

Received on 2002-12-21Z09:53:40