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-rw-r--r--recipes-navigation/gpsd/gpsd-3.19/0006-ubxtimelps.patch190
1 files changed, 190 insertions, 0 deletions
diff --git a/recipes-navigation/gpsd/gpsd-3.19/0006-ubxtimelps.patch b/recipes-navigation/gpsd/gpsd-3.19/0006-ubxtimelps.patch
new file mode 100644
index 0000000..e4a4171
--- /dev/null
+++ b/recipes-navigation/gpsd/gpsd-3.19/0006-ubxtimelps.patch
@@ -0,0 +1,190 @@
+From f3e7feaccddd5bc249be06dadd7cc96d10dcee22 Mon Sep 17 00:00:00 2001
+From: Serhii Voloshynov <serhii.voloshynov@globallogic.com>
+Date: Thu, 3 Dec 2020 12:59:37 +0200
+Subject: [PATCH] ubx time leap seconds
+
+---
+ driver_ubx.c | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
+ 1 file changed, 127 insertions(+), 1 deletion(-)
+
+diff --git a/driver_ubx.c b/driver_ubx.c
+index 6464d94..a5f3737 100644
+--- a/driver_ubx.c
++++ b/driver_ubx.c
+@@ -61,6 +61,29 @@
+ #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,
+@@ -810,6 +833,90 @@ static void ubx_msg_nav_timels(struct gps_device_t *session,
+ }
+ }
+
++#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
+ * UBX-NAV-POSLLH, Class 1, ID 2
+@@ -1767,7 +1874,10 @@ gps_mask_t ubx_parse(struct gps_device_t * session, unsigned char *buf,
+ mask = ubx_msg_nav_timegps(session, &buf[UBX_PREFIX_LEN], data_len);
+ break;
+ case UBX_NAV_TIMELS:
+- ubx_msg_nav_timels(session, &buf[UBX_PREFIX_LEN], data_len);
++ 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");
+@@ -1811,6 +1921,7 @@ gps_mask_t ubx_parse(struct gps_device_t * session, unsigned char *buf,
+ 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], data_len);
+ break;
+ case UBX_RXM_SFRBX:
+@@ -2154,11 +2265,19 @@ static void ubx_cfg_prt(struct gps_device_t *session,
+ 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);
++
+ /* NAV-SVINFO became NAV-SAT */
+ msg[0] = 0x01; /* class */
+ msg[1] = 0x30; /* msg id = NAV-SVINFO */
+ msg[2] = 0x00; /* rate */
+ (void)ubx_write(session, 0x06u, 0x01, msg, 3);
++
+ msg[0] = 0x01; /* class */
+ msg[1] = 0x35; /* msg id = NAV-SAT */
+ msg[2] = 0x00; /* rate */
+@@ -2263,6 +2382,13 @@ static void ubx_cfg_prt(struct gps_device_t *session,
+ 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 */
++
+ /* UBX-NAV-SVINFO deprecated in u-blox 8, gone in u-blox 9.
+ * Use UBX-NAV-SAT after u-blox 7 */
+ if (10 > session->driver.ubx.protver) {
+--
+2.7.4
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