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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [include/] [rtems/] [rtems/] [clock.h] - Blame information for rev 219

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/*  clock.h
 *
 *  This include file contains all the constants and structures associated
 *  with the Clock Manager.  This manager provides facilities to set, obtain,
 *  and continually update the current date and time.
 *
 *  This manager provides directives to:
 *
 *     + set the current date and time
 *     + obtain the current date and time
 *     + announce a clock tick
 *
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
 *
 *  $Id: clock.h,v 1.2 2001-09-27 11:59:18 chris Exp $
 */
 
#ifndef __RTEMS_CLOCK_h
#define __RTEMS_CLOCK_h
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <rtems/score/tod.h>
#include <rtems/rtems/types.h>
 
/*
 *  List of things which can be returned by the rtems_clock_get directive.
 */
 
typedef enum {
  RTEMS_CLOCK_GET_TOD,
  RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH,
  RTEMS_CLOCK_GET_TICKS_SINCE_BOOT,
  RTEMS_CLOCK_GET_TICKS_PER_SECOND,
  RTEMS_CLOCK_GET_TIME_VALUE
} rtems_clock_get_options;
 
/*
 *  Standard flavor style to return TOD in for a rtems_clock_get option.
 */
 
typedef struct {
  unsigned32  seconds;
  unsigned32  microseconds;
} rtems_clock_time_value;
 
/*
 *  rtems_clock_get
 *
 *  DESCRIPTION:
 *
 *  This routine implements the rtems_clock_get directive.  It returns
 *  one of the following:
 *    + current time of day
 *    + seconds since epoch
 *    + ticks since boot
 *    + ticks per second
 */
 
rtems_status_code rtems_clock_get(
  rtems_clock_get_options  option,
  void              *time_buffer
);
 
/*
 *  rtems_clock_set
 *
 *  DESCRIPTION:
 *
 *  This routine implements the rtems_clock_set directive.  It sets
 *  the current time of day to that in the time_buffer record.
 */
 
rtems_status_code rtems_clock_set(
  rtems_time_of_day *time_buffer
);
 
/*
 *  rtems_clock_tick
 *
 *  DESCRIPTION:
 *
 *  This routine implements the rtems_clock_tick directive.  It is invoked
 *  to inform RTEMS of the occurrence of a clock tick.
 */
 
rtems_status_code rtems_clock_tick( void );
 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */

Line No.	Rev	Author	Line
1	30	unneback	`/* clock.h`
2			`*`
3			`* This include file contains all the constants and structures associated`
4			`* with the Clock Manager. This manager provides facilities to set, obtain,`
5			`* and continually update the current date and time.`
6			`*`
7			`* This manager provides directives to:`
8			`*`
9			`* + set the current date and time`
10			`* + obtain the current date and time`
11			`* + announce a clock tick`
12			`*`
13			`*`
14			`* COPYRIGHT (c) 1989-1999.`
15			`* On-Line Applications Research Corporation (OAR).`
16			`*`
17			`* The license and distribution terms for this file may be`
18			`* found in the file LICENSE in this distribution or at`
19			`* http://www.OARcorp.com/rtems/license.html.`
20			`*`
21			`* $Id: clock.h,v 1.2 2001-09-27 11:59:18 chris Exp $`
22			`*/`
23
24			`#ifndef __RTEMS_CLOCK_h`
25			`#define __RTEMS_CLOCK_h`
26
27			`#ifdef __cplusplus`
28			`extern "C" {`
29			`#endif`
30
31			`#include <rtems/score/tod.h>`
32			`#include <rtems/rtems/types.h>`
33
34			`/*`
35			`* List of things which can be returned by the rtems_clock_get directive.`
36			`*/`
37
38			`typedef enum {`
39			`RTEMS_CLOCK_GET_TOD,`
40			`RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH,`
41			`RTEMS_CLOCK_GET_TICKS_SINCE_BOOT,`
42			`RTEMS_CLOCK_GET_TICKS_PER_SECOND,`
43			`RTEMS_CLOCK_GET_TIME_VALUE`
44			`} rtems_clock_get_options;`
45
46			`/*`
47			`* Standard flavor style to return TOD in for a rtems_clock_get option.`
48			`*/`
49
50			`typedef struct {`
51			`unsigned32 seconds;`
52			`unsigned32 microseconds;`
53			`} rtems_clock_time_value;`
54
55			`/*`
56			`* rtems_clock_get`
57			`*`
58			`* DESCRIPTION:`
59			`*`
60			`* This routine implements the rtems_clock_get directive. It returns`
61			`* one of the following:`
62			`* + current time of day`
63			`* + seconds since epoch`
64			`* + ticks since boot`
65			`* + ticks per second`
66			`*/`
67
68			`rtems_status_code rtems_clock_get(`
69			`rtems_clock_get_options option,`
70			`void *time_buffer`
71			`);`
72
73			`/*`
74			`* rtems_clock_set`
75			`*`
76			`* DESCRIPTION:`
77			`*`
78			`* This routine implements the rtems_clock_set directive. It sets`
79			`* the current time of day to that in the time_buffer record.`
80			`*/`
81
82			`rtems_status_code rtems_clock_set(`
83			`rtems_time_of_day *time_buffer`
84			`);`
85
86			`/*`
87			`* rtems_clock_tick`
88			`*`
89			`* DESCRIPTION:`
90			`*`
91			`* This routine implements the rtems_clock_tick directive. It is invoked`
92			`* to inform RTEMS of the occurrence of a clock tick.`
93			`*/`
94
95			`rtems_status_code rtems_clock_tick( void );`
96
97			`#ifdef __cplusplus`
98			`}`
99			`#endif`
100
101			`#endif`
102			`/* end of include file */`

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [include/] [rtems/] [rtems/] [clock.h] - Blame information for rev 219