summaryrefslogtreecommitdiff
path: root/libparse/clk_sel240x.c
diff options
context:
space:
mode:
authorLorry Tar Creator <lorry-tar-importer@baserock.org>2014-12-02 09:01:21 +0000
committer <>2014-12-04 16:11:25 +0000
commitbdab5265fcbf3f472545073a23f8999749a9f2b9 (patch)
treec6018dd03dea906f8f1fb5f105f05b71a7dc250a /libparse/clk_sel240x.c
downloadntp-bdab5265fcbf3f472545073a23f8999749a9f2b9.tar.gz
Imported from /home/lorry/working-area/delta_ntp/ntp-dev-4.2.7p482.tar.gz.ntp-dev-4.2.7p482
Diffstat (limited to 'libparse/clk_sel240x.c')
-rw-r--r--libparse/clk_sel240x.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/libparse/clk_sel240x.c b/libparse/clk_sel240x.c
new file mode 100644
index 0000000..a09d347
--- /dev/null
+++ b/libparse/clk_sel240x.c
@@ -0,0 +1,178 @@
+//////////////////////////////////////////////////////////////////////////////
+// Copyright (c) 2009,2012 -
+// Schweitzer Engineering Laboratories, Inc. <opensource@selinc.com>
+//////////////////////////////////////////////////////////////////////////////
+
+// Need to have _XOPEN_SOURCE defined for time.h to give the
+// correct strptime signature. As per feature_test_macros(7),
+// define this before including any header files.
+
+// #ifndef _XOPEN_SOURCE
+// #define _XOPEN_SOURCE
+// #endif
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_SEL240X)
+
+#include "ntp_syslog.h"
+#include "ntp_types.h"
+#include "ntp_fp.h"
+#include "ntp_unixtime.h"
+#include "ntp_calendar.h"
+#include "ntp_machine.h"
+#include "ntp_stdlib.h"
+
+#include "parse.h"
+
+#ifndef PARSESTREAM
+# include <stdio.h>
+#else
+# include "sys/parsestreams.h"
+#endif
+
+#include <time.h>
+
+//////////////////////////////////////////////////////////////////////////////
+// The B8 output has the following format B8 = '\x01YYYY:ddd:hh:mm:ssq\r\n'
+// where q = ' ' locked
+// '.' <1 us
+// '*' <10 us
+// '#' <100 us
+// '?' >100 us
+//
+// Based on this we need to recored the stime when we receive the <SOH>
+// character and end it when we see the \n.
+//
+// The q or quality character indicates satellite lock and sync. For the
+// purposes of NTP we are going to call it valid when we receive anything but
+// a '?'. But we are only going to call it synced when we receive a ' '
+//////////////////////////////////////////////////////////////////////////////
+
+static unsigned long inp_sel240x( parse_t *parseio,
+ unsigned int ch,
+ timestamp_t *tstamp);
+static unsigned long cvt_sel240x( unsigned char *buffer,
+ int size,
+ struct format *format,
+ clocktime_t *clock_time,
+ void *local );
+
+// Parse clock format structure describing the message above
+static struct format sel240x_fmt =
+{ { { 6, 3 },
+ { 0, 0 },
+ { 1, 4 },
+ { 10, 2 },
+ { 13, 2 },
+ { 16, 2 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 },
+ { 0, 0 }
+ },
+ (const unsigned char *)"\x01 : : : : \x0d\x0a",
+ 0
+};
+
+// Structure desctibing the parser
+clockformat_t clock_sel240x =
+{
+ inp_sel240x,
+ cvt_sel240x,
+ pps_one,
+ (void*)&sel240x_fmt,
+ "SEL B8",
+ 25,
+ 0
+};
+
+//////////////////////////////////////////////////////////////////////////////
+static unsigned long
+inp_sel240x( parse_t *parseio,
+ unsigned int ch,
+ timestamp_t *tstamp
+ )
+{
+ unsigned long rc;
+
+ parseprintf( DD_PARSE,
+ ("inp_sel240x(0x%lx, 0x%x, ...)\n",(long)parseio, ch));
+
+ switch( ch )
+ {
+ case '\x01':
+ parseio->parse_index = 1;
+ parseio->parse_data[0] = ch;
+ parseio->parse_dtime.parse_stime = *tstamp;
+ rc = PARSE_INP_SKIP;
+ break;
+ case '\n':
+ if( (rc = parse_addchar(parseio, ch)) == PARSE_INP_SKIP )
+ {
+ rc = parse_end( parseio );
+ }
+ break;
+ default:
+ rc = parse_addchar( parseio, ch );
+ }
+
+ return rc;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+static unsigned long
+cvt_sel240x( unsigned char *buffer,
+ int size,
+ struct format *format,
+ clocktime_t *clock_time,
+ void *local
+ )
+{
+ unsigned long rc = CVT_NONE;
+
+ if( Strok(buffer, format->fixed_string) )
+ {
+ struct tm ptime;
+ buffer++;
+ buffer = (unsigned char *) strptime(
+ (const char *)buffer, "%Y:%j:%H:%M:%S", &ptime );
+ if( *(buffer+1) != '\x0d' )
+ {
+ rc = CVT_FAIL | CVT_BADFMT;
+ }
+ else
+ {
+ clock_time->day = ptime.tm_mday;
+ clock_time->month = ptime.tm_mon + 1;
+ clock_time->year = ptime.tm_year + 1900;
+ clock_time->hour = ptime.tm_hour;
+ clock_time->minute = ptime.tm_min;
+ clock_time->second = ptime.tm_sec;
+ clock_time->usecond = 0;
+ clock_time->utcoffset = 0;
+ clock_time->flags = PARSEB_UTC;
+
+ if( *buffer == '?' )
+ {
+ clock_time->flags |= PARSEB_POWERUP;
+ }
+ else if( *buffer != ' ' )
+ {
+ clock_time->flags |= PARSEB_NOSYNC;
+ }
+
+ rc = CVT_OK;
+ }
+ }
+
+ return rc;
+}
+
+#else /* not (REFCLOCK && CLOCK_PARSE && CLOCK_SEL240X) */
+int clk_sel240x_bs;
+#endif /* not (REFCLOCK && CLOCK_PARSE && CLOCK_SEL240X) */