- From: (unknown charset) frank mori hess <fmhess_at_students.uiuc.edu>
- Date: Sat, 6 Jul 2002 18:08:51 -0500 (CDT)
On Sat, 6 Jul 2002, [iso-8859-1] David García wrote: > > Well, when i try to execute my program, the sencond comand_comedi_test > return 0. However, th comedi_command() function return to me -1 and > the comedi_perror give me the following error: David, I vaguely remember there being some problem with the stop_src for analog output with the ni driver, either TRIG_NONE or TRIG_COUNT not working. Also, The way analog output commands work was changed fairly recently so you might be better off working with the latest releases of comedi and comedilib. Currently, TRIG_NOW is no longer used as the start_src but rather TRIG_INT. And the order of doing things is: send the command, write initial data to /dev/comedi[0-3], and finally call comedi_internal_trigger() to start (see a current version of comedilib/demo/ao_waveform.c). Frank
Received on 2002-07-06Z22:08:51