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timer_local.h
/*
* Timer interface - local header file
* Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
*
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "local.h"
#include <limits.h>
#include <sys/ioctl.h>
#ifndef DOC_HIDDEN
typedef struct {
int (*close)(snd_timer_t *timer);
int (*nonblock)(snd_timer_t *timer, int nonblock);
int (*async)(snd_timer_t *timer, int sig, pid_t pid);
int (*info)(snd_timer_t *timer, snd_timer_info_t *info);
int (*params)(snd_timer_t *timer, snd_timer_params_t *params);
int (*status)(snd_timer_t *timer, snd_timer_status_t *status);
int (*rt_start)(snd_timer_t *timer);
int (*rt_stop)(snd_timer_t *timer);
int (*rt_continue)(snd_timer_t *timer);
ssize_t (*read)(snd_timer_t *timer, void *buffer, size_t size);
} snd_timer_ops_t;
struct _snd_timer {
unsigned int version;
void *dl_handle;
char *name;
snd_timer_type_t type;
int mode;
int poll_fd;
const snd_timer_ops_t *ops;
void *private_data;
struct list_head async_handlers;
};
typedef struct {
int (*close)(snd_timer_query_t *timer);
int (*next_device)(snd_timer_query_t *timer, snd_timer_id_t *tid);
int (*info)(snd_timer_query_t *timer, snd_timer_ginfo_t *info);
int (*params)(snd_timer_query_t *timer, snd_timer_gparams_t *info);
int (*status)(snd_timer_query_t *timer, snd_timer_gstatus_t *info);
} snd_timer_query_ops_t;
struct _snd_timer_query {
void *dl_handle;
char *name;
snd_timer_type_t type;
int mode;
int poll_fd;
const snd_timer_query_ops_t *ops;
void *private_data;
};
#endif /* DOC_HIDDEN */
int snd_timer_hw_open(snd_timer_t **handle, const char *name, int dev_class, int dev_sclass, int card, int device, int subdevice, int mode);
int snd_timer_query_hw_open(snd_timer_query_t **handle, const char *name, int mode);
int snd_timer_async(snd_timer_t *timer, int sig, pid_t pid);
#ifdef INTERNAL
int INTERNAL(snd_timer_params_set_exclusive)(snd_timer_params_t * params, int exclusive);
int INTERNAL(snd_timer_params_get_exclusive)(snd_timer_params_t * params);
void INTERNAL(snd_timer_params_set_filter)(snd_timer_params_t * params, unsigned int filter);
unsigned int INTERNAL(snd_timer_params_get_filter)(snd_timer_params_t * params);
int INTERNAL(snd_timer_query_info)(snd_timer_query_t *timer, snd_timer_ginfo_t *info);
int INTERNAL(snd_timer_query_params)(snd_timer_query_t *timer, snd_timer_gparams_t *params);
int INTERNAL(snd_timer_query_status)(snd_timer_query_t *timer, snd_timer_gstatus_t *status);
#endif /* INTERNAL */
snd_timer_query_params
int INTERNAL snd_timer_query_params(snd_timer_query_t *timer, snd_timer_gparams_t *params)
set the timer global parameters
Definition timer_query.c:407
snd_timer_type_t
snd_timer_type_t
Definition timer.h:133
snd_timer_query_t
struct _snd_timer_query snd_timer_query_t
Definition timer.h:143
snd_timer_params_t
struct _snd_timer_params snd_timer_params_t
Definition timer.h:63
snd_timer_params_set_exclusive
int INTERNAL snd_timer_params_set_exclusive(snd_timer_params_t *params, int exclusive)
set timer exclusive use
Definition timer.c:642
snd_timer_query_status
int INTERNAL snd_timer_query_status(snd_timer_query_t *timer, snd_timer_gstatus_t *status)
get the timer global status
Definition timer_query.c:425
snd_timer_params_get_exclusive
int INTERNAL snd_timer_params_get_exclusive(snd_timer_params_t *params)
determine if timer has exclusive flag
Definition timer.c:662
snd_timer_status_t
struct _snd_timer_status snd_timer_status_t
Definition timer.h:65
snd_timer_ginfo_t
struct _snd_timer_ginfo snd_timer_ginfo_t
Definition timer.h:55
snd_timer_t
struct _snd_timer snd_timer_t
Definition timer.h:145
snd_timer_id_t
struct _snd_timer_id snd_timer_id_t
Definition timer.h:53
snd_timer_gparams_t
struct _snd_timer_gparams snd_timer_gparams_t
Definition timer.h:57
snd_timer_info_t
struct _snd_timer_info snd_timer_info_t
Definition timer.h:61
snd_timer_params_get_filter
unsigned int INTERNAL snd_timer_params_get_filter(snd_timer_params_t *params)
get timer event filter
Definition timer.c:764
snd_timer_params_set_filter
void INTERNAL snd_timer_params_set_filter(snd_timer_params_t *params, unsigned int filter)
set timer event filter
Definition timer.c:748
snd_timer_gstatus_t
struct _snd_timer_gstatus snd_timer_gstatus_t
Definition timer.h:59
snd_timer_query_info
int INTERNAL snd_timer_query_info(snd_timer_query_t *timer, snd_timer_ginfo_t *info)
obtain the timer global information
Definition timer_query.c:389
type
uint8_t type
Definition ump_msg.h:1
status
uint8_t status
Definition ump_msg.h:3