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diff -Naru gpsd-3.18.1.orig/driver_ubx.c gpsd-3.18.1/driver_ubx.c
--- gpsd-3.18.1.orig/driver_ubx.c 2018-10-26 16:01:08.010358178 -0500
+++ gpsd-3.18.1/driver_ubx.c 2018-10-29 17:30:18.354526227 -0500
@@ -57,6 +57,29 @@
#define UBX_CFG_LEN 20
#define outProtoMask 14
+#ifdef UBLOXTIMELS_ENABLE
+/* UBX-NAV-TIMELS support */
+static char *srcOfCurrLs[] = {
+ "firmware",
+ "GPS GLONASS difference",
+ "GPS",
+ "SBAS",
+ "BeiDou",
+ "Galileo",
+ "Aided data",
+ "Configured"
+};
+static char *srcOfLsChange[] = {
+ "No Source",
+ "Undefined",
+ "GPS",
+ "SBAS",
+ "BeiDou",
+ "Galileo",
+ "GLONOSS",
+};
+#endif /* UBLOXTIMELS_ENABLE */
+
static gps_mask_t ubx_parse(struct gps_device_t *session, unsigned char *buf,
size_t len);
static gps_mask_t ubx_msg_nav_eoe(struct gps_device_t *session,
@@ -397,6 +420,90 @@
return mask;
}
+#ifdef UBLOXTIMELS_ENABLE
+/**
+ * Navigation time to leap second
+ *
+ * Sets leap_notify if leap second is < 23 hours away.
+ */
+static void
+ubx_msg_nav_timels(struct gps_device_t *session, unsigned char *buf,
+ size_t data_len)
+{
+ int version;
+ unsigned int flags;
+ int valid_curr_ls;
+ int valid_time_to_ls_event;
+
+ if (data_len != 24) {
+ gpsd_log(&session->context->errout, LOG_WARN,
+ "UBX-NAV-TIMELS: unexpected length %d, expecting 24\n",
+ data_len);
+ return;
+ }
+ version = getsb(buf,4);
+ /* Only version 0 is defined so far. */
+ flags = (unsigned int)getub(buf, 23);
+ gpsd_log(&session->context->errout, LOG_DATA,
+ "UBX-NAV-TIMELS: flags 0x%x message version %d\n",flags, version);
+ valid_curr_ls = flags & UBX_TIMELS_VALID_CURR_LS;
+ valid_time_to_ls_event = flags & UBX_TIMELS_VALID_TIME_LS_EVT;
+ if(valid_curr_ls) {
+ unsigned int src_of_curr_ls = getub(buf,8);
+ int curr_ls = getsb(buf,9);
+ char *src = "Unknown";
+
+ if(src_of_curr_ls < (sizeof srcOfCurrLs/(sizeof srcOfCurrLs[0])))
+ src = srcOfCurrLs[src_of_curr_ls];
+
+ gpsd_log(&session->context->errout, LOG_DATA,
+ "UBX-NAV-TIMELS: source_of_current_leapsecond=%u:%s curr_ls=%d\n",
+ src_of_curr_ls,src,curr_ls);
+ session->context->leap_seconds = curr_ls;
+ session->context->valid |= LEAP_SECOND_VALID;
+ } /* Valid current leap second */
+ if(valid_time_to_ls_event) {
+ char *src="Unknown";
+ unsigned int src_of_ls_change;
+ unsigned short dateOfLSGpsWn, dateOfLSGpsDn;
+ int lsChange = getsb(buf,11);
+ int timeToLsEvent = getles32(buf,12);
+ src_of_ls_change = getub(buf,10);
+ if(src_of_ls_change < (sizeof srcOfLsChange/(sizeof srcOfLsChange[0])))
+ src = srcOfLsChange[src_of_ls_change];
+ dateOfLSGpsWn = getles16(buf,16);
+ dateOfLSGpsDn = getles16(buf,18);
+ gpsd_log(&session->context->errout, LOG_DATA,
+ "UBX_NAV_TIMELS: source_of_leapsecond_change=%u:%s "
+ "leapSecondChage=%d timeToLsEvent=%d\n",
+ src_of_ls_change,src,lsChange,timeToLsEvent);
+ gpsd_log(&session->context->errout, LOG_DATA,
+ "UBX_NAV_TIMELS: dateOfLSGpsWn=%d dateOfLSGpsDn=%d\n",
+ dateOfLSGpsWn,dateOfLSGpsDn);
+ if(timeToLsEvent < 60*60*23 && timeToLsEvent > 0) {
+ if(lsChange == 0)
+ session->context->leap_notify = LEAP_NOWARNING;
+ else if (lsChange == 1)
+ session->context->leap_notify = LEAP_ADDSECOND;
+ else if (lsChange == -1)
+ session->context->leap_notify = LEAP_DELSECOND;
+ } else
+ session->context->leap_notify = LEAP_NOWARNING;
+
+ if (session->context->leap_notify == LEAP_ADDSECOND)
+ gpsd_log(&session->context->errout,LOG_INF,
+ "UBX_NAV_TIMELS: Add leap second today\n");
+ else if (session->context->leap_notify == LEAP_DELSECOND)
+ gpsd_log(&session->context->errout,LOG_INF,
+ "UBX_NAV_TIMELS: Remove leap second today\n");
+
+ gpsd_log(&session->context->errout, LOG_DATA,
+ "UBX_NAV_TIMELS: leaving: leap_notify=%d\n",
+ session->context->leap_notify);
+ }
+}
+#endif /* UBLOXTIMELS_ENABLE */
+
/**
* Geodetic position solution message
*/
@@ -1129,6 +1236,9 @@
break;
case UBX_NAV_TIMELS:
gpsd_log(&session->context->errout, LOG_DATA, "UBX_NAV_TIMELS\n");
+#ifdef UBLOXTIMELS_ENABLE
+ ubx_msg_nav_timels(session, &buf[UBX_PREFIX_LEN],data_len);
+#endif // UBLOXTIMELS_ENABLE
break;
case UBX_NAV_TIMEUTC:
gpsd_log(&session->context->errout, LOG_DATA, "UBX_NAV_TIMEUTC\n");
@@ -1172,6 +1282,7 @@
gpsd_log(&session->context->errout, LOG_DATA, "UBX_RXM_RTCM\n");
break;
case UBX_RXM_SFRB:
+ gpsd_log(&session->context->errout, LOG_DATA, "UBX_RXM_SFRB\n");
mask = ubx_rxm_sfrb(session, &buf[UBX_PREFIX_LEN]);
break;
case UBX_RXM_SFRBX:
@@ -1474,6 +1585,12 @@
msg[1] = 0x20; /* msg id = UBX_NAV_TIMEGPS */
msg[2] = 0x00; /* rate */
(void)ubx_write(session, 0x06u, 0x01, msg, 3);
+#ifdef UBLOXTIMELS_ENABLE
+ msg[0] = 0x01; /* class */
+ msg[1] = 0x26; /* msg id = UBX_NAV_TIMELS */
+ msg[2] = 0xff; /* rate */
+#endif /* UBLOXTIMELS_ENABLE */
+ (void)ubx_write(session, 0x06u, 0x01, msg, 3);
msg[0] = 0x01; /* class */
msg[1] = 0x30; /* msg id = NAV-SVINFO */
msg[2] = 0x00; /* rate */
@@ -1558,6 +1675,12 @@
msg[1] = 0x20; /* msg id = UBX_NAV_TIMEGPS */
msg[2] = 0x01; /* rate */
(void)ubx_write(session, 0x06u, 0x01, msg, 3);
+#ifdef UBLOXTIMELS_ENABLE
+ msg[0] = 0x01; /* class */
+ msg[1] = 0x26; /* msg id = UBX_NAV_TIMELS */
+ msg[2] = 0xff; /* rate */
+ (void)ubx_write(session, 0x06u, 0x01, msg, 3);
+#endif /* UBLOXTIMELS_ENABLE */
msg[0] = 0x01; /* class */
msg[1] = 0x30; /* msg id = NAV-SVINFO */
msg[2] = 0x0a; /* rate */
diff -Naru gpsd-3.18.1.orig/driver_ubx.h gpsd-3.18.1/driver_ubx.h
--- gpsd-3.18.1.orig/driver_ubx.h 2018-10-26 16:01:08.010358178 -0500
+++ gpsd-3.18.1/driver_ubx.h 2018-10-26 16:26:09.114313738 -0500
@@ -210,6 +210,9 @@
#define UBX_SOL_VALID_WEEK 0x04
#define UBX_SOL_VALID_TIME 0x08
+#define UBX_TIMELS_VALID_CURR_LS 0x01
+#define UBX_TIMELS_VALID_TIME_LS_EVT 0x01
+
#define UBX_TIMEGPS_VALID_TIME 0x01
#define UBX_TIMEGPS_VALID_WEEK 0x02
#define UBX_TIMEGPS_VALID_LEAP_SECOND 0x04
diff -Naru gpsd-3.18.1.orig/SConstruct gpsd-3.18.1/SConstruct
--- gpsd-3.18.1.orig/SConstruct 2018-10-26 15:53:30.174371732 -0500
+++ gpsd-3.18.1/SConstruct 2018-10-26 15:55:33.726368074 -0500
@@ -178,6 +178,7 @@
("tripmate", True, "DeLorme TripMate support"),
("tsip", True, "Trimble TSIP support"),
("ublox", True, "u-blox Protocol support"),
+ ("ubloxtimels", False, "u-blox UBX-NAV-TIMELS support (leap second)"),
# Non-GPS protocols
("aivdm", True, "AIVDM support"),
("gpsclock", True, "GPSClock support"),
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