OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [itron/] [include/] [itronsys/] [time.h] - Blame information for rev 30

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 30 unneback
/*
2
 *  COPYRIGHT (c) 1989-1999.
3
 *  On-Line Applications Research Corporation (OAR).
4
 *
5
 *  The license and distribution terms for this file may be
6
 *  found in the file LICENSE in this distribution or at
7
 *  http://www.OARcorp.com/rtems/license.html.
8
 *
9
 *  $Id: time.h,v 1.2 2001-09-27 11:59:12 chris Exp $
10
 */
11
 
12
#ifndef __ITRON_TIME_h_
13
#define __ITRON_TIME_h_
14
 
15
#ifdef __cplusplus
16
extern "C" {
17
#endif
18
 
19
/*
20
 *  System Time Data Type
21
 *
22
 *  Member configuration depends on the bit width of the processor and
23
 *  on the implementation.  A total of 48 bits is recommended.
24
 *
25
 */
26
 
27
typedef struct t_systime {
28
  H    utime;   /* upper 16 bits */
29
  UW   ltime;   /* lower 32 bits */
30
} SYSTIME, CYCTIME, ALMTIME;
31
 
32
/*
33
 *  XXX Look this up in the spec and figure out where it comes
34
 *  XXX from.  dly_tim() references it but it was left out
35
 *  XXX of the initial cut at the header files.
36
 */
37
 
38
typedef int DLYTIME;
39
 
40
/*
41
 *  XXX (def_cyc) Structure
42
 */
43
 
44
typedef struct t_dcyc {
45
  VP        exinf;    /* extended information */
46
  ATR       cycatr;   /* cyclic handler attributes */
47
  FP        cychdr;   /* cyclic handler address */
48
  UINT      cycact;   /* cyclic handler activation */
49
  CYCTIME   cyctim;   /* cyclic startup period */
50
} T_DCYC;
51
 
52
/*
53
 *  cycact
54
 */
55
 
56
#define TCY_OFF   0x00   /* do not invoke cyclic handler */
57
#define TCY_ON    0x01   /* invoke cyclic handler */
58
#define TCY_INT   0x02   /* initialize cycle count */
59
 
60
/*
61
 *  Reference Cyclic Handler (ref_cyc) Structure
62
 */
63
 
64
typedef struct t_rcyc {
65
  VP        exinf;    /* extended information */
66
  CYCTIME   lfttim;   /* time left before next handler startup */
67
  UINT      cycact;   /* cyclic handler activation */
68
  /* additional information may be included depending on the implementation */
69
} T_RCYC;
70
 
71
/*
72
 *  Define Alarm (def_alm) Structure
73
 */
74
 
75
typedef struct t_dalm {
76
  VP        exinf;    /* extended information */
77
  ATR       almatr;   /* alarm handler attributes */
78
  FP        almhdr;   /* alarm handler address */
79
  UINT      tmmode;   /* start time specification mode */
80
  ALMTIME   almtim;   /* handler startup time */
81
} T_DALM;
82
 
83
/*
84
 *  tmmode
85
 */
86
 
87
#define TTM_ABS   0x00   /* specified as an absolute time */
88
#define TTM_REL   0x01   /* specified as a relative time */
89
 
90
/*
91
 *  Reference Alarm (ref_alm) Structure
92
 */
93
 
94
typedef struct t_ralm {
95
  VP        exinf;    /* extended information */
96
  ALMTIME   lfttim;   /* time left before next handler startup */
97
  /* additional information may be included depending on the implementation */
98
} T_RALM;
99
 
100
/*
101
 *  Time Management Functions
102
 */
103
 
104
/*
105
 *  set_tim - Set System Clock
106
 */
107
 
108
ER set_tim(
109
  SYSTIME *pk_tim
110
);
111
 
112
/*
113
 *  get_tim - Get System Clock
114
 */
115
 
116
ER get_tim(
117
  SYSTIME *pk_tim
118
);
119
 
120
/*
121
 *  dly_tsk - Delay Task
122
 */
123
 
124
ER dly_tsk(
125
  DLYTIME dlytim
126
);
127
 
128
/*
129
 *  def_cyc - Define Cyclic Handler
130
 */
131
 
132
ER def_cyc(
133
  HNO cycno,
134
  T_DCYC *pk_dcyc
135
);
136
 
137
/*
138
 *  act_cyc - Activate Cyclic Handler
139
 */
140
 
141
ER act_cyc(
142
  HNO cycno,
143
  UINT cycact
144
);
145
 
146
/*
147
 *  ref_cyc - Reference Cyclic Handler Status
148
 */
149
 
150
ER ref_cyc(
151
  T_RCYC *pk_rcyc,
152
  HNO cycno
153
);
154
 
155
/*
156
 *  def_alm - Define Alarm Handler
157
 */
158
 
159
ER def_alm(
160
  HNO almno,
161
  T_DALM *pk_dalm
162
);
163
 
164
/*
165
 *  ref_alm - Reference Alarm Handler Status
166
 */
167
 
168
ER ref_alm(
169
  T_RALM *pk_ralm,
170
  HNO almno
171
);
172
 
173
/*
174
 *  ret_tmr - Return from Timer Handler
175
 */
176
 
177
void ret_tmr( void );
178
 
179
#ifdef __cplusplus
180
}
181
#endif
182
 
183
#endif
184
/* end of include file */
185
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.