OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [uClibc/] [include/] [sys/] [timex.h] - Blame information for rev 1765

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 1325 phoenix 
/* Copyright (C) 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
2 
   This file is part of the GNU C Library.
3 
 
4 
   The GNU C Library is free software; you can redistribute it and/or
5 
   modify it under the terms of the GNU Lesser General Public
6 
   License as published by the Free Software Foundation; either
7 
   version 2.1 of the License, or (at your option) any later version.
8 
 
9 
   The GNU C Library is distributed in the hope that it will be useful,
10 
   but WITHOUT ANY WARRANTY; without even the implied warranty of
11 
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 
   Lesser General Public License for more details.
13 
 
14 
   You should have received a copy of the GNU Lesser General Public
15 
   License along with the GNU C Library; if not, write to the Free
16 
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 
   02111-1307 USA.  */
18 
 
19 
#ifndef _SYS_TIMEX_H
20 
#define _SYS_TIMEX_H    1
21 
 
22 
#include <features.h>
23 
#include <sys/time.h>
24 
 
25 
/* These definitions from linux/timex.h as of 2.2.0.  */
26 
 
27 
struct ntptimeval
28 
{
29 
  struct timeval time;  /* current time (ro) */
30 
  long int maxerror;    /* maximum error (us) (ro) */
31 
  long int esterror;    /* estimated error (us) (ro) */
32 
};
33 
 
34 
struct timex
35 
{
36 
  unsigned int modes;   /* mode selector */
37 
  long int offset;      /* time offset (usec) */
38 
  long int freq;        /* frequency offset (scaled ppm) */
39 
  long int maxerror;    /* maximum error (usec) */
40 
  long int esterror;    /* estimated error (usec) */
41 
  int status;           /* clock command/status */
42 
  long int constant;    /* pll time constant */
43 
  long int precision;   /* clock precision (usec) (read only) */
44 
  long int tolerance;   /* clock frequency tolerance (ppm) (read only) */
45 
  struct timeval time;  /* (read only) */
46 
  long int tick;        /* (modified) usecs between clock ticks */
47 
 
48 
  long int ppsfreq;     /* pps frequency (scaled ppm) (ro) */
49 
  long int jitter;      /* pps jitter (us) (ro) */
50 
  int shift;            /* interval duration (s) (shift) (ro) */
51 
  long int stabil;      /* pps stability (scaled ppm) (ro) */
52 
  long int jitcnt;      /* jitter limit exceeded (ro) */
53 
  long int calcnt;      /* calibration intervals (ro) */
54 
  long int errcnt;      /* calibration errors (ro) */
55 
  long int stbcnt;      /* stability limit exceeded (ro) */
56 
 
57 
  /* ??? */
58 
  int  :32; int  :32; int  :32; int  :32;
59 
  int  :32; int  :32; int  :32; int  :32;
60 
  int  :32; int  :32; int  :32; int  :32;
61 
};
62 
 
63 
/* Mode codes (timex.mode) */
64 
#define ADJ_OFFSET              0x0001  /* time offset */
65 
#define ADJ_FREQUENCY           0x0002  /* frequency offset */
66 
#define ADJ_MAXERROR            0x0004  /* maximum time error */
67 
#define ADJ_ESTERROR            0x0008  /* estimated time error */
68 
#define ADJ_STATUS              0x0010  /* clock status */
69 
#define ADJ_TIMECONST           0x0020  /* pll time constant */
70 
#define ADJ_TICK                0x4000  /* tick value */
71 
#define ADJ_OFFSET_SINGLESHOT   0x8001  /* old-fashioned adjtime */
72 
 
73 
/* xntp 3.4 compatibility names */
74 
#define MOD_OFFSET      ADJ_OFFSET
75 
#define MOD_FREQUENCY   ADJ_FREQUENCY
76 
#define MOD_MAXERROR    ADJ_MAXERROR
77 
#define MOD_ESTERROR    ADJ_ESTERROR
78 
#define MOD_STATUS      ADJ_STATUS
79 
#define MOD_TIMECONST   ADJ_TIMECONST
80 
#define MOD_CLKB        ADJ_TICK
81 
#define MOD_CLKA        ADJ_OFFSET_SINGLESHOT /* 0x8000 in original */
82 
 
83 
 
84 
/* Status codes (timex.status) */
85 
#define STA_PLL         0x0001  /* enable PLL updates (rw) */
86 
#define STA_PPSFREQ     0x0002  /* enable PPS freq discipline (rw) */
87 
#define STA_PPSTIME     0x0004  /* enable PPS time discipline (rw) */
88 
#define STA_FLL         0x0008  /* select frequency-lock mode (rw) */
89 
 
90 
#define STA_INS         0x0010  /* insert leap (rw) */
91 
#define STA_DEL         0x0020  /* delete leap (rw) */
92 
#define STA_UNSYNC      0x0040  /* clock unsynchronized (rw) */
93 
#define STA_FREQHOLD    0x0080  /* hold frequency (rw) */
94 
 
95 
#define STA_PPSSIGNAL   0x0100  /* PPS signal present (ro) */
96 
#define STA_PPSJITTER   0x0200  /* PPS signal jitter exceeded (ro) */
97 
#define STA_PPSWANDER   0x0400  /* PPS signal wander exceeded (ro) */
98 
#define STA_PPSERROR    0x0800  /* PPS signal calibration error (ro) */
99 
 
100 
#define STA_CLOCKERR    0x1000  /* clock hardware fault (ro) */
101 
 
102 
#define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \
103 
    STA_PPSERROR | STA_CLOCKERR) /* read-only bits */
104 
 
105 
/* Clock states (time_state) */
106 
#define TIME_OK         0        /* clock synchronized, no leap second */
107 
#define TIME_INS        1       /* insert leap second */
108 
#define TIME_DEL        2       /* delete leap second */
109 
#define TIME_OOP        3       /* leap second in progress */
110 
#define TIME_WAIT       4       /* leap second has occurred */
111 
#define TIME_ERROR      5       /* clock not synchronized */
112 
#define TIME_BAD        TIME_ERROR /* bw compat */
113 
 
114 
/* Maximum time constant of the PLL.  */
115 
#define MAXTC           6
116 
 
117 
__BEGIN_DECLS
118 
 
119 
extern int __adjtimex (struct timex *__ntx) __THROW;
120 
extern int adjtimex (struct timex *__ntx) __THROW;
121 
 
122 
extern int ntp_gettime (struct ntptimeval *__ntv) __THROW;
123 
extern int ntp_adjtime (struct timex *__tntx) __THROW;
124 
 
125 
__END_DECLS
126 
 
127 
#endif /* sys/timex.h */

powered by: WebSVN 2.1.0

© copyright 1999-2026 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.