/* linux/include/comedilib.h header file for kcomedilib COMEDI - Linux Control and Measurement Device Interface Copyright (C) 1998-2001 David A. Schleef This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _LINUX_COMEDILIB_H #define _LINUX_COMEDILIB_H #include "comedi.h" /* Kernel internal stuff. Needed by real-time modules and such. */ #ifndef __KERNEL__ #error linux/comedilib.h should not be included by non-kernel-space code #endif /* exported functions */ #ifndef KCOMEDILIB_DEPRECATED typedef void comedi_t; /* these functions may not be called at real-time priority */ comedi_t *comedi_open(const char *path); int comedi_close(comedi_t *dev); /* these functions may be called at any priority, but may fail at real-time priority */ int comedi_lock(comedi_t *dev, unsigned int subdev); int comedi_unlock(comedi_t *dev, unsigned int subdev); /* these functions may be called at any priority, but you must hold the lock for the subdevice */ int comedi_loglevel(int loglevel); void comedi_perror(const char *s); char *comedi_strerror(int errnum); int comedi_errno(void); int comedi_fileno(comedi_t *dev); int comedi_cancel(comedi_t *dev, unsigned int subdev); int comedi_register_callback(comedi_t *dev, unsigned int subdev, unsigned int mask, int (*cb) (unsigned int, void *), void *arg); int comedi_command(comedi_t *dev, comedi_cmd *cmd); int comedi_command_test(comedi_t *dev, comedi_cmd *cmd); int comedi_trigger(comedi_t *dev, unsigned int subdev, comedi_trig *it); int __comedi_trigger(comedi_t *dev, unsigned int subdev, comedi_trig *it); int comedi_data_write(comedi_t *dev, unsigned int subdev, unsigned int chan, unsigned int range, unsigned int aref, lsampl_t data); int comedi_data_read(comedi_t *dev, unsigned int subdev, unsigned int chan, unsigned int range, unsigned int aref, lsampl_t *data); int comedi_data_read_hint(comedi_t *dev, unsigned int subdev, unsigned int chan, unsigned int range, unsigned int aref); int comedi_data_read_delayed(comedi_t *dev, unsigned int subdev, unsigned int chan, unsigned int range, unsigned int aref, lsampl_t *data, unsigned int nano_sec); int comedi_dio_config(comedi_t *dev, unsigned int subdev, unsigned int chan, unsigned int io); int comedi_dio_read(comedi_t *dev, unsigned int subdev, unsigned int chan, unsigned int *val); int comedi_dio_write(comedi_t *dev, unsigned int subdev, unsigned int chan, unsigned int val); int comedi_dio_bitfield(comedi_t *dev, unsigned int subdev, unsigned int mask, unsigned int *bits); int comedi_get_n_subdevices(comedi_t *dev); int comedi_get_version_code(comedi_t *dev); const char *comedi_get_driver_name(comedi_t *dev); const char *comedi_get_board_name(comedi_t *dev); int comedi_get_subdevice_type(comedi_t *dev, unsigned int subdevice); int comedi_find_subdevice_by_type(comedi_t *dev, int type, unsigned int subd); int comedi_get_n_channels(comedi_t *dev, unsigned int subdevice); lsampl_t comedi_get_maxdata(comedi_t *dev, unsigned int subdevice, unsigned int chan); int comedi_get_n_ranges(comedi_t *dev, unsigned int subdevice, unsigned int chan); int comedi_do_insn(comedi_t *dev, comedi_insn *insn); int comedi_poll(comedi_t *dev, unsigned int subdev); /* DEPRECATED functions */ int comedi_get_rangetype(comedi_t *dev, unsigned int subdevice, unsigned int chan); /* ALPHA functions */ unsigned int comedi_get_subdevice_flags(comedi_t *dev, unsigned int subdevice); int comedi_get_len_chanlist(comedi_t *dev, unsigned int subdevice); int comedi_get_krange(comedi_t *dev, unsigned int subdevice, unsigned int chan, unsigned int range, comedi_krange *krange); unsigned int comedi_get_buf_head_pos(comedi_t *dev, unsigned int subdevice); int comedi_set_user_int_count(comedi_t *dev, unsigned int subdevice, unsigned int buf_user_count); int comedi_map(comedi_t *dev, unsigned int subdev, void *ptr); int comedi_unmap(comedi_t *dev, unsigned int subdev); int comedi_get_buffer_size(comedi_t *dev, unsigned int subdev); int comedi_mark_buffer_read(comedi_t *dev, unsigned int subdevice, unsigned int num_bytes); int comedi_mark_buffer_written(comedi_t *d, unsigned int subdevice, unsigned int num_bytes); int comedi_get_buffer_contents(comedi_t *dev, unsigned int subdevice); int comedi_get_buffer_offset(comedi_t *dev, unsigned int subdevice); #else /* these functions may not be called at real-time priority */ int comedi_open(unsigned int minor); void comedi_close(unsigned int minor); /* these functions may be called at any priority, but may fail at real-time priority */ int comedi_lock(unsigned int minor, unsigned int subdev); int comedi_unlock(unsigned int minor, unsigned int subdev); /* these functions may be called at any priority, but you must hold the lock for the subdevice */ int comedi_cancel(unsigned int minor, unsigned int subdev); int comedi_register_callback(unsigned int minor, unsigned int subdev, unsigned int mask, int (*cb) (unsigned int, void *), void *arg); int comedi_command(unsigned int minor, comedi_cmd *cmd); int comedi_command_test(unsigned int minor, comedi_cmd *cmd); int comedi_trigger(unsigned int minor, unsigned int subdev, comedi_trig *it); int __comedi_trigger(unsigned int minor, unsigned int subdev, comedi_trig *it); int comedi_data_write(unsigned int dev, unsigned int subdev, unsigned int chan, unsigned int range, unsigned int aref, lsampl_t data); int comedi_data_read(unsigned int dev, unsigned int subdev, unsigned int chan, unsigned int range, unsigned int aref, lsampl_t *data); int comedi_dio_config(unsigned int dev, unsigned int subdev, unsigned int chan, unsigned int io); int comedi_dio_read(unsigned int dev, unsigned int subdev, unsigned int chan, unsigned int *val); int comedi_dio_write(unsigned int dev, unsigned int subdev, unsigned int chan, unsigned int val); int comedi_dio_bitfield(unsigned int dev, unsigned int subdev, unsigned int mask, unsigned int *bits); int comedi_get_n_subdevices(unsigned int dev); int comedi_get_version_code(unsigned int dev); char *comedi_get_driver_name(unsigned int dev); char *comedi_get_board_name(unsigned int minor); int comedi_get_subdevice_type(unsigned int minor, unsigned int subdevice); int comedi_find_subdevice_by_type(unsigned int minor, int type, unsigned int subd); int comedi_get_n_channels(unsigned int minor, unsigned int subdevice); lsampl_t comedi_get_maxdata(unsigned int minor, unsigned int subdevice, unsigned int chan); int comedi_get_n_ranges(unsigned int minor, unsigned int subdevice, unsigned int chan); int comedi_do_insn(unsigned int minor, comedi_insn *insn); int comedi_poll(unsigned int minor, unsigned int subdev); /* DEPRECATED functions */ int comedi_get_rangetype(unsigned int minor, unsigned int subdevice, unsigned int chan); /* ALPHA functions */ unsigned int comedi_get_subdevice_flags(unsigned int minor, unsigned int subdevice); int comedi_get_len_chanlist(unsigned int minor, unsigned int subdevice); int comedi_get_krange(unsigned int minor, unsigned int subdevice, unsigned int chan, unsigned int range, comedi_krange *krange); unsigned int comedi_get_buf_head_pos(unsigned int minor, unsigned int subdevice); int comedi_set_user_int_count(unsigned int minor, unsigned int subdevice, unsigned int buf_user_count); int comedi_map(unsigned int minor, unsigned int subdev, void **ptr); int comedi_unmap(unsigned int minor, unsigned int subdev); #endif #endif