100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*
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lib/ioctl.c
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comedi library routines
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COMEDI - Linux Control and Measurement Device Interface
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Copyright (C) 1997-8 David A. Schleef <ds@stm.lbl.gov>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <math.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <comedi.h>
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#include <string.h>
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#include <libinternal.h>
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/* ioctl wrappers */
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int ioctl_devinfo(int fd,comedi_devinfo *it)
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{
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return ioctl(fd,COMEDI_DEVINFO,it);
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}
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int ioctl_subdinfo(int fd,comedi_subdinfo *it)
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{
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return ioctl(fd,COMEDI_SUBDINFO,it);
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}
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int ioctl_chaninfo(int fd,unsigned int subdev,lsampl_t *maxdata_list,unsigned int *flaglist,unsigned int *rangelist)
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{
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comedi_chaninfo ci;
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ci.subdev=subdev;
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ci.flaglist=flaglist;
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ci.rangelist=rangelist;
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ci.maxdata_list=maxdata_list;
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return ioctl(fd,COMEDI_CHANINFO,&ci);
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}
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int ioctl_trigger(int fd,comedi_trig *it)
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{
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return ioctl(fd,COMEDI_TRIG,it);
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}
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#ifdef HAVE_COMEDI_CMD
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int ioctl_cmd(int fd,comedi_cmd *it)
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{
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return ioctl(fd,COMEDI_CMD,it);
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}
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#endif
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int ioctl_lock(int fd,int subdevice)
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{
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return ioctl(fd,COMEDI_LOCK,subdevice);
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}
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int ioctl_unlock(int fd,int subdevice)
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{
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return ioctl(fd,COMEDI_UNLOCK,subdevice);
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}
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int ioctl_cancel(int fd,int subdevice)
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{
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return ioctl(fd,COMEDI_CANCEL,subdevice);
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}
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int ioctl_rangeinfo(int fd,int range_type,comedi_krange *range_ptr)
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{
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comedi_rangeinfo it;
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it.range_type=range_type;
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it.range_ptr=range_ptr;
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return ioctl(fd,COMEDI_RANGEINFO,&it);
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}
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