1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*! \file include/time.h
\brief Interface: Time-related data and types
\author Markus L. Noga <markus@noga.de>
\bug time_t is a 32 bit value which will overflow after
49.7 days of continuous operation.
*/
/*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License
* at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and
* limitations under the License.
*
* The Original Code is legOS code, released October 17, 1999.
*
* The Initial Developer of the Original Code is Markus L. Noga.
* Portions created by Markus L. Noga are Copyright (C) 1999
* Markus L. Noga. All Rights Reserved.
*
* Contributor(s): Markus L. Noga <markus@noga.de>
*/
#ifndef __time_h__
#define __time_h__
#ifdef __cplusplus
extern "C" {
#endif
#include <config.h>
#ifdef CONF_TIME
///////////////////////////////////////////////////////////////////////
//
// Definitions
//
///////////////////////////////////////////////////////////////////////
//! time type
/*! \bug This is a 32 bit value which will overflow after
49.7 days of continuous operation.
*/
typedef unsigned long time_t;
//
// time & related stuff
//
//! timer tick in ms
#define TICK_IN_MS 1
//! number of mS tics in 1Sec
#define TICKS_PER_SEC 1000
#define SECS_TO_TICKS(a) ((a)*TICKS_PER_SEC) //!< conv. Sec's to TICKs
#define MSECS_TO_TICKS(a) ((a)/TICK_IN_MS) //!< conv. mSec's to TICKs
///////////////////////////////////////////////////////////////////////
//
// Variables
//
///////////////////////////////////////////////////////////////////////
//extern volatile time_t sys_time; //!< current system time
// use get_system_up_time() instead of accessing sys_time directly.
time_t get_system_up_time(void);
#endif // CONF_TIME
#ifdef __cplusplus
}
#endif
#endif
|
