42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
|
|
comedi_calibrate/other.c - functions that might move to the library
|
|
Copyright (C) 2002 David A. Schleef <ds@schleef.org>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of version 2 of the GNU General Public License as
|
|
published by the Free Software Foundation.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
|
|
#include <comedilib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
|
|
void comedi_nanodelay(comedi_t *dev, unsigned int delay)
|
|
{
|
|
comedi_insn insn;
|
|
lsampl_t data = delay;
|
|
int retval;
|
|
|
|
memset(&insn, 0, sizeof(insn));
|
|
insn.insn = INSN_WAIT;
|
|
insn.n = 1;
|
|
insn.data = &data;
|
|
retval = comedi_do_insn( dev, &insn );
|
|
// fall back on usleep for long delays
|
|
if( retval < 0 )
|
|
usleep( delay / 1000 );
|
|
|
|
return;
|
|
}
|
|
|
|
|