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|
/* packet-ubx.c
* u-blox UBX protocol dissection.
*
* By Timo Warns <timo.warns@gmail.com>
* Copyright 2023 Timo Warns
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@unicom.net>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/expert.h>
#include <epan/packet.h>
#include <epan/unit_strings.h>
#include <wsutil/array.h>
#include <wsutil/utf8_entities.h>
#include <wsutil/pint.h>
#include "packet-ubx.h"
#include "packet-sbas_l1.h"
/*
* Dissects the UBX protocol of u-blox GNSS receivers as defined by the
* u-blox 8 / u-blox M8 receiver description.
*/
/* mapping from UBX message class / id to mnemonics */
static const value_string UBX_MSG_CLASS_ID[] = {
{UBX_ACK_ACK, "UBX-ACK-ACK"},
{UBX_ACK_NAK, "UBX-ACK-NAK"},
{UBX_AID_ALM, "UBX-AID-ALM"},
{UBX_AID_AOP, "UBX-AID-AOP"},
{UBX_AID_EPH, "UBX-AID-EPH"},
{UBX_AID_HUI, "UBX-AID-HUI"},
{UBX_AID_INI, "UBX-AID-INI"},
{UBX_CFG_ANT, "UBX-CFG-ANT"},
{UBX_CFG_BATCH, "UBX-CFG-BATCH"},
{UBX_CFG_CFG, "UBX-CFG-CFG"},
{UBX_CFG_DAT, "UBX-CFG-DAT"},
{UBX_CFG_DGNSS, "UBX-CFG-DGNSS"},
{UBX_CFG_DOSC, "UBX-CFG-DOSC"},
{UBX_CFG_ESFALG, "UBX-CFG-ESFALG"},
{UBX_CFG_ESFA, "UBX-CFG-ESFA"},
{UBX_CFG_ESFG, "UBX-CFG-ESFG"},
{UBX_CFG_ESFWT, "UBX-CFG-ESFWT"},
{UBX_CFG_ESRC, "UBX-CFG-ESRC"},
{UBX_CFG_GEOFENCE, "UBX-CFG-GEOFENCE"},
{UBX_CFG_GNSS, "UBX-CFG-GNSS"},
{UBX_CFG_HNR, "UBX-CFG-HNR"},
{UBX_CFG_INF, "UBX-CFG-INF"},
{UBX_CFG_ITFM, "UBX-CFG-ITFM"},
{UBX_CFG_LOGFILTER, "UBX-CFG-LOGFILTER"},
{UBX_CFG_MSG, "UBX-CFG-MSG"},
{UBX_CFG_NAV5, "UBX-CFG-NAV5"},
{UBX_CFG_NAVX5, "UBX-CFG-NAVX5"},
{UBX_CFG_NMEA, "UBX-CFG-NMEA"},
{UBX_CFG_ODO, "UBX-CFG-ODO"},
{UBX_CFG_PM2, "UBX-CFG-PM2"},
{UBX_CFG_PMS, "UBX-CFG-PMS"},
{UBX_CFG_PRT, "UBX-CFG-PRT"},
{UBX_CFG_PWR, "UBX-CFG-PWR"},
{UBX_CFG_RATE, "UBX-CFG-RATE"},
{UBX_CFG_RINV, "UBX-CFG-RINV"},
{UBX_CFG_RST, "UBX-CFG-RST"},
{UBX_CFG_RXM, "UBX-CFG-RXM"},
{UBX_CFG_SBAS, "UBX-CFG-SBAS"},
{UBX_CFG_SENIF, "UBX-CFG-SENIF"},
{UBX_CFG_SLAS, "UBX-CFG-SLAS"},
{UBX_CFG_SMGR, "UBX-CFG-SMGR"},
{UBX_CFG_SPT, "UBX-CFG-SPT"},
{UBX_CFG_TMODE2, "UBX-CFG-TMODE2"},
{UBX_CFG_TMODE3, "UBX-CFG-TMODE3"},
{UBX_CFG_TP5, "UBX-CFG-TP5"},
{UBX_CFG_TXSLOT, "UBX-CFG-TXSLOT"},
{UBX_CFG_USB, "UBX-CFG-USB"},
{UBX_ESF_ALG, "UBX-ESF-ALG"},
{UBX_ESF_INS, "UBX-ESF-INS"},
{UBX_ESF_MEAS, "UBX-ESF-MEAS"},
{UBX_ESF_RAW, "UBX-ESF-RAW"},
{UBX_ESF_STATUS, "UBX-ESF-STATUS"},
{UBX_HNR_ATT, "UBX-HNR-ATT"},
{UBX_HNR_INS, "UBX-HNR-INS"},
{UBX_HNR_PVT, "UBX-HNR-PVT"},
{UBX_INF_DEBUG, "UBX-INF-DEBUG"},
{UBX_INF_ERROR, "UBX-INF-ERROR"},
{UBX_INF_NOTICE, "UBX-INF-NOTICE"},
{UBX_INF_TEST, "UBX-INF-TEST"},
{UBX_INF_WARNING, "UBX-INF-WARNING"},
{UBX_LOG_BATCH, "UBX-LOG-BATCH"},
{UBX_LOG_CREATE, "UBX-LOG-CREATE"},
{UBX_LOG_ERASE, "UBX-LOG-ERASE"},
{UBX_LOG_FINDTIME, "UBX-LOG-FINDTIME"},
{UBX_LOG_INFO, "UBX-LOG-INFO"},
{UBX_LOG_RETRIEVEBATCH, "UBX-LOG-RETRIEVEBATCH"},
{UBX_LOG_RETRIEVEPOSEXTRA, "UBX-LOG-RETRIEVEPOSEXTRA"},
{UBX_LOG_RETRIEVEPOS, "UBX-LOG-RETRIEVEPOS"},
{UBX_LOG_RETRIEVESTRING, "UBX-LOG-RETRIEVESTRING"},
{UBX_LOG_RETRIEVE, "UBX-LOG-RETRIEVE"},
{UBX_LOG_STRING, "UBX-LOG-STRING"},
{UBX_MGA_ACK_DATA0, "UBX-MGA-ACK-DATA0"},
{UBX_MGA_ANO, "UBX-MGA-ANO"},
{UBX_MGA_BDS, "UBX-MGA-BDS"},
{UBX_MGA_DBD, "UBX-MGA-DBD"},
{UBX_MGA_FLASH, "UBX-MGA-FLASH"},
{UBX_MGA_GAL, "UBX-MGA-GAL"},
{UBX_MGA_GLO, "UBX-MGA-GLO"},
{UBX_MGA_GPS, "UBX-MGA-GPS"},
{UBX_MGA_INI, "UBX-MGA-INI"},
{UBX_MGA_QZSS, "UBX-MGA-QZSS"},
{UBX_MON_BATCH, "UBX-MON-BATCH"},
{UBX_MON_GNSS, "UBX-MON-GNSS"},
{UBX_MON_HW2, "UBX-MON-HW2"},
{UBX_MON_HW, "UBX-MON-HW"},
{UBX_MON_IO, "UBX-MON-IO"},
{UBX_MON_MSGPP, "UBX-MON-MSGPP"},
{UBX_MON_PATCH, "UBX-MON-PATCH"},
{UBX_MON_RXBUF, "UBX-MON-RXBUF"},
{UBX_MON_RXR, "UBX-MON-RXR"},
{UBX_MON_SMGR, "UBX-MON-SMGR"},
{UBX_MON_SPT, "UBX-MON-SPT"},
{UBX_MON_TXBUF, "UBX-MON-TXBUF"},
{UBX_MON_VER, "UBX-MON-VER"},
{UBX_NAV_AOPSTATUS, "UBX-NAV-AOPSTATUS"},
{UBX_NAV_ATT, "UBX-NAV-ATT"},
{UBX_NAV_CLOCK, "UBX-NAV-CLOCK"},
{UBX_NAV_COV, "UBX-NAV-COV"},
{UBX_NAV_DGPS, "UBX-NAV-DGPS"},
{UBX_NAV_DOP, "UBX-NAV-DOP"},
{UBX_NAV_EELL, "UBX-NAV-EELL"},
{UBX_NAV_EOE, "UBX-NAV-EOE"},
{UBX_NAV_GEOFENCE, "UBX-NAV-GEOFENCE"},
{UBX_NAV_HPPOSECEF, "UBX-NAV-HPPOSECEF"},
{UBX_NAV_HPPOSLLH, "UBX-NAV-HPPOSLLH"},
{UBX_NAV_NMI, "UBX-NAV-NMI"},
{UBX_NAV_ODO, "UBX-NAV-ODO"},
{UBX_NAV_ORB, "UBX-NAV-ORB"},
{UBX_NAV_POSECEF, "UBX-NAV-POSECEF"},
{UBX_NAV_POSLLH, "UBX-NAV-POSLLH"},
{UBX_NAV_PVT, "UBX-NAV-PVT"},
{UBX_NAV_RELPOSNED, "UBX-NAV-RELPOSNED"},
{UBX_NAV_RESETODO, "UBX-NAV-RESETODO"},
{UBX_NAV_SAT, "UBX-NAV-SAT"},
{UBX_NAV_SBAS, "UBX-NAV-SBAS"},
{UBX_NAV_SLAS, "UBX-NAV-SLAS"},
{UBX_NAV_SOL, "UBX-NAV-SOL"},
{UBX_NAV_STATUS, "UBX-NAV-STATUS"},
{UBX_NAV_SVINFO, "UBX-NAV-SVINFO"},
{UBX_NAV_SVIN, "UBX-NAV-SVIN"},
{UBX_NAV_TIMEBDS, "UBX-NAV-TIMEBDS"},
{UBX_NAV_TIMEGAL, "UBX-NAV-TIMEGAL"},
{UBX_NAV_TIMEGLO, "UBX-NAV-TIMEGLO"},
{UBX_NAV_TIMEGPS, "UBX-NAV-TIMEGPS"},
{UBX_NAV_TIMELS, "UBX-NAV-TIMELS"},
{UBX_NAV_TIMEUTC, "UBX-NAV-TIMEUTC"},
{UBX_NAV_VELECEF, "UBX-NAV-VELECEF"},
{UBX_NAV_VELNED, "UBX-NAV-VELNED"},
{UBX_RXM_IMES, "UBX-RXM-IMES"},
{UBX_RXM_MEASX, "UBX-RXM-MEASX"},
{UBX_RXM_PMREQ, "UBX-RXM-PMREQ"},
{UBX_RXM_RAWX, "UBX-RXM-RAWX"},
{UBX_RXM_RLM, "UBX-RXM-RLM"},
{UBX_RXM_RTCM, "UBX-RXM-RTCM"},
{UBX_RXM_SFRBX, "UBX-RXM-SFRBX"},
{UBX_RXM_SVSI, "UBX-RXM-SVSI"},
{UBX_SEC_UNIQID, "UBX-SEC-UNIQID"},
{UBX_TIM_DOSC, "UBX-TIM-DOSC"},
{UBX_TIM_FCHG, "UBX-TIM-FCHG"},
{UBX_TIM_HOC, "UBX-TIM-HOC"},
{UBX_TIM_SMEAS, "UBX-TIM-SMEAS"},
{UBX_TIM_SVIN, "UBX-TIM-SVIN"},
{UBX_TIM_TM2, "UBX-TIM-TM2"},
{UBX_TIM_TOS, "UBX-TIM-TOS"},
{UBX_TIM_TP, "UBX-TIM-TP"},
{UBX_TIM_VCOCAL, "UBX-TIM-VCOCAL"},
{UBX_TIM_VRFY, "UBX-TIM-VRFY"},
{UBX_UPD_SOS, "UBX-UPD-SOS"},
{0, NULL},
};
static const value_string UBX_GNSS_ID[] = {
{GNSS_ID_GPS, "GPS"},
{GNSS_ID_SBAS, "SBAS"},
{GNSS_ID_GALILEO, "Galileo"},
{GNSS_ID_BEIDOU, "Beidou"},
{GNSS_ID_IMES, "IMES"},
{GNSS_ID_QZSS, "QZSS"},
{GNSS_ID_GLONASS, "Glonass"},
{0, NULL},
};
/* mapping from correction age id to description */
static const value_string UBX_LAST_CORRECTION_AGE[] = {
{0, "not available"},
{1, "age between 0 and 1 second"},
{2, "age between 1 (inclusive) and 2 seconds"},
{3, "age between 2 (inclusive) and 5 seconds"},
{4, "age between 5 (inclusive) and 10 seconds"},
{5, "age between 10 (inclusive) and 15 seconds"},
{6, "age between 15 (inclusive) and 20 seconds"},
{7, "age between 20 (inclusive) and 30 seconds"},
{8, "age between 30 (inclusive) and 45 seconds"},
{9, "age between 45 (inclusive) and 60 seconds"},
{10, "age between 60 (inclusive) and 90 seconds"},
{11, "age between 90 (inclusive) and 120 seconds"},
{12, "age greater or equal than 120 seconds"},
{13, "age greater or equal than 120 seconds"},
{14, "age greater or equal than 120 seconds"},
{15, "age greater or equal than 120 seconds"},
{0, NULL}
};
/* mapping from GNSS fix type id to description */
static const value_string UBX_GNSS_FIX_TYPE[] = {
{0, "no fix"},
{1, "dead reckoning only"},
{2, "2D-fix"},
{3, "3D-fix"},
{4, "GNSS + dead reckoning combined"},
{5, "time only fix"},
{0, NULL}
};
/* signal quality indicator description */
static const value_string UBX_SIGNAL_QUALITY_INDICATOR[] = {
{0, "no signal"},
{1, "searching signal"},
{2, "signal acquired"},
{3, "signal detected but unusable"},
{4, "code locked and time synchronized"},
{5, "code and carrier locked and time synchronized"},
{6, "code and carrier locked and time synchronized"},
{7, "code and carrier locked and time synchronized"},
{0, NULL}
};
/* signal health description */
static const value_string UBX_SIGNAL_HEALTH[] = {
{0, "unknown"},
{1, "healthy"},
{2, "unhealthy"},
{0, NULL}
};
/* orbit source description */
static const value_string UBX_ORBIT_SOURCE[] = {
{0, "no orbit information available"},
{1, "ephemeris is used"},
{2, "almanac is used"},
{3, "AssistNow Offline orbit is used"},
{4, "AssistNow Autonomous orbit is used"},
{5, "other orbit information is used"},
{6, "other orbit information is used"},
{7, "other orbit information is used"},
{0, NULL}
};
/* CFG-GNSS GPS sigCfgMsk */
static const value_string UBX_CFG_GNSS_GPS_SIGCFGMASK[] = {
{0x01, "GPS L1C/A"},
{0x10, "GPS L2C"},
{0, NULL}
};
/* CFG-GNSS SBAS sigCfgMsk */
static const value_string UBX_CFG_GNSS_SBAS_SIGCFGMASK[] = {
{0x01, "SBAS L1C/A"},
{0, NULL}
};
/* CFG-GNSS Galileo sigCfgMsk */
static const value_string UBX_CFG_GNSS_GAL_SIGCFGMASK[] = {
{0x01, "Galileo E1"},
{0x20, "Galileo E5b"},
{0, NULL}
};
/* CFG-GNSS BeiDou sigCfgMsk */
static const value_string UBX_CFG_GNSS_BDS_SIGCFGMASK[] = {
{0x01, "BeiDou B1I"},
{0x10, "BeiDou B2I"},
{0, NULL}
};
/* CFG-GNSS IMES sigCfgMsk */
static const value_string UBX_CFG_GNSS_IMES_SIGCFGMASK[] = {
{0x01, "IMES L1"},
{0, NULL}
};
/* CFG-GNSS QZSS sigCfgMsk */
static const value_string UBX_CFG_GNSS_QZSS_SIGCFGMASK[] = {
{0x01, "QZSS L1C/A"},
{0x04, "QZSS L1S"},
{0x10, "QZSS L2C"},
{0, NULL}
};
/* CFG-GNSS Glonass sigCfgMsk */
static const value_string UBX_CFG_GNSS_GLO_SIGCFGMASK[] = {
{0x01, "Glonass L1"},
{0x10, "Glonass L2"},
{0, NULL}
};
/* UBX-RXM-MEASX Multipath index */
static const value_string UBX_RXM_MEASX_MULTIPATH_INDEX[] = {
{0x0, "not measured"},
{0x1, "low"},
{0x2, "medium"},
{0x3, "high"},
{0, NULL}
};
/* SBAS mode */
static const value_string UBX_SBAS_MODE[] = {
{0, "Disabled"},
{1, "Enabled integrity"},
{3, "Enabled test mode"},
{0, NULL}
};
/* SBAS system */
static const value_string UBX_SBAS_SYSTEM[] = {
{-1, "Unknown"},
{0, "WAAS"},
{1, "EGNOS"},
{2, "MSAS"},
{3, "GAGAN"},
{16, "GPS"},
{0, NULL}
};
/* SBAS testbed description */
static const value_string UBX_SBAS_TESTBED[] = {
{0, "Ignore data when in test mode (SBAS msg 0)"},
{1, "Use data anyhow"},
{0, NULL}
};
/* UTC standard identifier */
static const value_string UBX_UTC_STD_ID[] = {
{0, "Information not available"},
{1, "Communications Research Laboratory (CRL), Tokyo, Japan"},
{2, "National Institute of Standards and Technology (NIST)"},
{3, "U.S. Naval Observatory (USNO)"},
{4, "International Bureau of Weights and Measures (BIPM)"},
{5, "European laboratories"},
{6, "Former Soviet Union (SU)"},
{7, "National Time Service Center (NTSC), China"},
{15, "Unknown"},
{0, NULL}
};
/* Initialize the protocol and registered fields */
static int proto_ubx;
static int hf_ubx_preamble;
static int hf_ubx_msg_class_id;
static int hf_ubx_payload_len;
static int hf_ubx_chksum;
static int hf_ubx_ack_ack;
static int hf_ubx_ack_ack_msg_class_id;
static int hf_ubx_ack_nak;
static int hf_ubx_ack_nak_msg_class_id;
static int hf_ubx_cfg_gnss;
static int hf_ubx_cfg_gnss_version;
static int hf_ubx_cfg_gnss_numtrkchhw;
static int hf_ubx_cfg_gnss_numtrkchuse;
static int hf_ubx_cfg_gnss_numconfigblocks;
static int hf_ubx_cfg_gnss_blk_gnssid;
static int hf_ubx_cfg_gnss_blk_restrkch;
static int hf_ubx_cfg_gnss_blk_maxtrkch;
static int hf_ubx_cfg_gnss_blk_reserved1;
static int hf_ubx_cfg_gnss_blk_enable;
static int hf_ubx_cfg_gnss_blk_sigcfgmask;
static int hf_ubx_cfg_gnss_blk_gps_sigcfgmask;
static int hf_ubx_cfg_gnss_blk_sbas_sigcfgmask;
static int hf_ubx_cfg_gnss_blk_gal_sigcfgmask;
static int hf_ubx_cfg_gnss_blk_bds_sigcfgmask;
static int hf_ubx_cfg_gnss_blk_imes_sigcfgmask;
static int hf_ubx_cfg_gnss_blk_qzss_sigcfgmask;
static int hf_ubx_cfg_gnss_blk_glo_sigcfgmask;
static int hf_ubx_cfg_sbas;
static int hf_ubx_cfg_sbas_mode;
static int hf_ubx_cfg_sbas_mode_enabled;
static int hf_ubx_cfg_sbas_mode_test;
static int hf_ubx_cfg_sbas_usage_range;
static int hf_ubx_cfg_sbas_usage_diffcorr;
static int hf_ubx_cfg_sbas_usage_integrity;
static int hf_ubx_cfg_sbas_max_sbas;
static int hf_ubx_cfg_sbas_scanmode_prn158;
static int hf_ubx_cfg_sbas_scanmode_prn157;
static int hf_ubx_cfg_sbas_scanmode_prn156;
static int hf_ubx_cfg_sbas_scanmode_prn155;
static int hf_ubx_cfg_sbas_scanmode_prn154;
static int hf_ubx_cfg_sbas_scanmode_prn153;
static int hf_ubx_cfg_sbas_scanmode_prn152;
static int hf_ubx_cfg_sbas_scanmode_prn151;
static int hf_ubx_cfg_sbas_scanmode_prn150;
static int hf_ubx_cfg_sbas_scanmode_prn149;
static int hf_ubx_cfg_sbas_scanmode_prn148;
static int hf_ubx_cfg_sbas_scanmode_prn147;
static int hf_ubx_cfg_sbas_scanmode_prn146;
static int hf_ubx_cfg_sbas_scanmode_prn145;
static int hf_ubx_cfg_sbas_scanmode_prn144;
static int hf_ubx_cfg_sbas_scanmode_prn143;
static int hf_ubx_cfg_sbas_scanmode_prn142;
static int hf_ubx_cfg_sbas_scanmode_prn141;
static int hf_ubx_cfg_sbas_scanmode_prn140;
static int hf_ubx_cfg_sbas_scanmode_prn139;
static int hf_ubx_cfg_sbas_scanmode_prn138;
static int hf_ubx_cfg_sbas_scanmode_prn137;
static int hf_ubx_cfg_sbas_scanmode_prn136;
static int hf_ubx_cfg_sbas_scanmode_prn135;
static int hf_ubx_cfg_sbas_scanmode_prn134;
static int hf_ubx_cfg_sbas_scanmode_prn133;
static int hf_ubx_cfg_sbas_scanmode_prn132;
static int hf_ubx_cfg_sbas_scanmode_prn131;
static int hf_ubx_cfg_sbas_scanmode_prn130;
static int hf_ubx_cfg_sbas_scanmode_prn129;
static int hf_ubx_cfg_sbas_scanmode_prn128;
static int hf_ubx_cfg_sbas_scanmode_prn127;
static int hf_ubx_cfg_sbas_scanmode_prn126;
static int hf_ubx_cfg_sbas_scanmode_prn125;
static int hf_ubx_cfg_sbas_scanmode_prn124;
static int hf_ubx_cfg_sbas_scanmode_prn123;
static int hf_ubx_cfg_sbas_scanmode_prn122;
static int hf_ubx_cfg_sbas_scanmode_prn121;
static int hf_ubx_cfg_sbas_scanmode_prn120;
static int * const ubx_cfg_sbas_mode_fields[] = {
&hf_ubx_cfg_sbas_mode_enabled,
&hf_ubx_cfg_sbas_mode_test,
NULL
};
static int hf_ubx_nav_dop;
static int hf_ubx_nav_dop_itow;
static int hf_ubx_nav_dop_gdop;
static int hf_ubx_nav_dop_pdop;
static int hf_ubx_nav_dop_tdop;
static int hf_ubx_nav_dop_vdop;
static int hf_ubx_nav_dop_hdop;
static int hf_ubx_nav_dop_ndop;
static int hf_ubx_nav_dop_edop;
static int hf_ubx_nav_eoe;
static int hf_ubx_nav_eoe_itow;
static int hf_ubx_nav_odo;
static int hf_ubx_nav_odo_version;
static int hf_ubx_nav_odo_reserved1;
static int hf_ubx_nav_odo_itow;
static int hf_ubx_nav_odo_distance;
static int hf_ubx_nav_odo_totaldistance;
static int hf_ubx_nav_odo_distancestd;
static int hf_ubx_nav_posecef;
static int hf_ubx_nav_posecef_itow;
static int hf_ubx_nav_posecef_ecefx;
static int hf_ubx_nav_posecef_ecefy;
static int hf_ubx_nav_posecef_ecefz;
static int hf_ubx_nav_posecef_pacc;
static int hf_ubx_nav_pvt;
static int hf_ubx_nav_pvt_itow;
static int hf_ubx_nav_pvt_year;
static int hf_ubx_nav_pvt_month;
static int hf_ubx_nav_pvt_day;
static int hf_ubx_nav_pvt_hour;
static int hf_ubx_nav_pvt_min;
static int hf_ubx_nav_pvt_sec;
static int hf_ubx_nav_pvt_valid;
static int hf_ubx_nav_pvt_validmag;
static int hf_ubx_nav_pvt_fullyresolved;
static int hf_ubx_nav_pvt_validtime;
static int hf_ubx_nav_pvt_validdate;
static int hf_ubx_nav_pvt_tacc;
static int hf_ubx_nav_pvt_nano;
static int hf_ubx_nav_pvt_fixtype;
static int hf_ubx_nav_pvt_flags;
static int hf_ubx_nav_pvt_headvehvalid;
static int hf_ubx_nav_pvt_psmstate;
static int hf_ubx_nav_pvt_diffsoln;
static int hf_ubx_nav_pvt_gnssfixok;
static int hf_ubx_nav_pvt_flags2;
static int hf_ubx_nav_pvt_confirmedtime;
static int hf_ubx_nav_pvt_confirmeddate;
static int hf_ubx_nav_pvt_confirmedavai;
static int hf_ubx_nav_pvt_numsv;
static int hf_ubx_nav_pvt_lon;
static int hf_ubx_nav_pvt_lat;
static int hf_ubx_nav_pvt_height;
static int hf_ubx_nav_pvt_hmsl;
static int hf_ubx_nav_pvt_hacc;
static int hf_ubx_nav_pvt_vacc;
static int hf_ubx_nav_pvt_veln;
static int hf_ubx_nav_pvt_vele;
static int hf_ubx_nav_pvt_veld;
static int hf_ubx_nav_pvt_gspeed;
static int hf_ubx_nav_pvt_headmot;
static int hf_ubx_nav_pvt_sacc;
static int hf_ubx_nav_pvt_headacc;
static int hf_ubx_nav_pvt_pdop;
static int hf_ubx_nav_pvt_lastcorrectionage;
static int hf_ubx_nav_pvt_invalidllh;
static int hf_ubx_nav_pvt_reserved1;
static int hf_ubx_nav_pvt_headveh;
static int hf_ubx_nav_pvt_magdec;
static int hf_ubx_nav_pvt_magacc;
static int * const ubx_nav_pvt_valid_fields[] = {
&hf_ubx_nav_pvt_validdate,
&hf_ubx_nav_pvt_validtime,
&hf_ubx_nav_pvt_fullyresolved,
&hf_ubx_nav_pvt_validmag,
NULL
};
static int * const ubx_nav_pvt_flags_fields[] = {
&hf_ubx_nav_pvt_gnssfixok,
&hf_ubx_nav_pvt_diffsoln,
&hf_ubx_nav_pvt_psmstate,
&hf_ubx_nav_pvt_headvehvalid,
NULL
};
static int * const ubx_nav_pvt_flags2_fields[] = {
&hf_ubx_nav_pvt_confirmedavai,
&hf_ubx_nav_pvt_confirmeddate,
&hf_ubx_nav_pvt_confirmedtime,
NULL
};
static int hf_ubx_nav_sat;
static int hf_ubx_nav_sat_itow;
static int hf_ubx_nav_sat_version;
static int hf_ubx_nav_sat_num_svs;
static int hf_ubx_nav_sat_reserved1;
static int hf_ubx_nav_sat_gnss_id;
static int hf_ubx_nav_sat_sv_id;
static int hf_ubx_nav_sat_cn0;
static int hf_ubx_nav_sat_elev;
static int hf_ubx_nav_sat_azim;
static int hf_ubx_nav_sat_pr_res;
static int hf_ubx_nav_sat_flags;
static int hf_ubx_nav_sat_quality_ind;
static int hf_ubx_nav_sat_sv_used;
static int hf_ubx_nav_sat_health;
static int hf_ubx_nav_sat_diff_corr;
static int hf_ubx_nav_sat_smoothed;
static int hf_ubx_nav_sat_orbit_src;
static int hf_ubx_nav_sat_eph_avail;
static int hf_ubx_nav_sat_alm_avail;
static int hf_ubx_nav_sat_ano_avail;
static int hf_ubx_nav_sat_aop_avail;
static int hf_ubx_nav_sat_sbas_corr_used;
static int hf_ubx_nav_sat_rtcm_corr_used;
static int hf_ubx_nav_sat_slas_corr_used;
static int hf_ubx_nav_sat_spartn_corr_used;
static int hf_ubx_nav_sat_pr_corr_used;
static int hf_ubx_nav_sat_cr_corr_used;
static int hf_ubx_nav_sat_do_corr_used;
static int * const ubx_nav_sat_flags_fields[] = {
&hf_ubx_nav_sat_quality_ind,
&hf_ubx_nav_sat_sv_used,
&hf_ubx_nav_sat_health,
&hf_ubx_nav_sat_diff_corr,
&hf_ubx_nav_sat_smoothed,
&hf_ubx_nav_sat_orbit_src,
&hf_ubx_nav_sat_eph_avail,
&hf_ubx_nav_sat_alm_avail,
&hf_ubx_nav_sat_ano_avail,
&hf_ubx_nav_sat_aop_avail,
&hf_ubx_nav_sat_sbas_corr_used,
&hf_ubx_nav_sat_rtcm_corr_used,
&hf_ubx_nav_sat_slas_corr_used,
&hf_ubx_nav_sat_spartn_corr_used,
&hf_ubx_nav_sat_pr_corr_used,
&hf_ubx_nav_sat_cr_corr_used,
&hf_ubx_nav_sat_do_corr_used,
NULL
};
static int hf_ubx_nav_sbas;
static int hf_ubx_nav_sbas_itow;
static int hf_ubx_nav_sbas_geo;
static int hf_ubx_nav_sbas_mode;
static int hf_ubx_nav_sbas_sys;
static int hf_ubx_nav_sbas_service;
static int hf_ubx_nav_sbas_service_ranging;
static int hf_ubx_nav_sbas_service_corrections;
static int hf_ubx_nav_sbas_service_integrity;
static int hf_ubx_nav_sbas_service_testmode;
static int hf_ubx_nav_sbas_service_bad;
static int hf_ubx_nav_sbas_cnt;
static int hf_ubx_nav_sbas_reserved1;
static int hf_ubx_nav_sbas_sv_id;
static int hf_ubx_nav_sbas_flags;
static int hf_ubx_nav_sbas_udre;
static int hf_ubx_nav_sbas_sv_sys;
static int hf_ubx_nav_sbas_sv_service;
static int hf_ubx_nav_sbas_reserved2;
static int hf_ubx_nav_sbas_prc;
static int hf_ubx_nav_sbas_reserved3;
static int hf_ubx_nav_sbas_ic;
static int * const ubx_nav_sbas_service_fields[] = {
&hf_ubx_nav_sbas_service_ranging,
&hf_ubx_nav_sbas_service_corrections,
&hf_ubx_nav_sbas_service_integrity,
&hf_ubx_nav_sbas_service_testmode,
&hf_ubx_nav_sbas_service_bad,
NULL
};
static int hf_ubx_nav_timegps;
static int hf_ubx_nav_timegps_itow;
static int hf_ubx_nav_timegps_ftow;
static int hf_ubx_nav_timegps_week;
static int hf_ubx_nav_timegps_leaps;
static int hf_ubx_nav_timegps_valid;
static int hf_ubx_nav_timegps_leapsvalid;
static int hf_ubx_nav_timegps_weekvalid;
static int hf_ubx_nav_timegps_towvalid;
static int hf_ubx_nav_timegps_tacc;
static int * const ubx_nav_timegps_valid_fields[] = {
&hf_ubx_nav_timegps_towvalid,
&hf_ubx_nav_timegps_weekvalid,
&hf_ubx_nav_timegps_leapsvalid,
NULL
};
static int hf_ubx_nav_timeutc;
static int hf_ubx_nav_timeutc_itow;
static int hf_ubx_nav_timeutc_tacc;
static int hf_ubx_nav_timeutc_nano;
static int hf_ubx_nav_timeutc_year;
static int hf_ubx_nav_timeutc_month;
static int hf_ubx_nav_timeutc_day;
static int hf_ubx_nav_timeutc_hour;
static int hf_ubx_nav_timeutc_min;
static int hf_ubx_nav_timeutc_sec;
static int hf_ubx_nav_timeutc_valid;
static int hf_ubx_nav_timeutc_validtow;
static int hf_ubx_nav_timeutc_validwkn;
static int hf_ubx_nav_timeutc_validutc;
static int hf_ubx_nav_timeutc_utcstandard;
static int * const ubx_nav_timeutc_valid_fields[] = {
&hf_ubx_nav_timeutc_validtow,
&hf_ubx_nav_timeutc_validwkn,
&hf_ubx_nav_timeutc_validutc,
&hf_ubx_nav_timeutc_utcstandard,
NULL
};
static int hf_ubx_nav_velecef;
static int hf_ubx_nav_velecef_itow;
static int hf_ubx_nav_velecef_ecefvx;
static int hf_ubx_nav_velecef_ecefvy;
static int hf_ubx_nav_velecef_ecefvz;
static int hf_ubx_nav_velecef_sacc;
static int hf_ubx_rxm_measx;
static int hf_ubx_rxm_measx_version;
static int hf_ubx_rxm_measx_reserved1;
static int hf_ubx_rxm_measx_gpstow;
static int hf_ubx_rxm_measx_glotow;
static int hf_ubx_rxm_measx_bdstow;
static int hf_ubx_rxm_measx_reserved2;
static int hf_ubx_rxm_measx_qzsstow;
static int hf_ubx_rxm_measx_gpstowacc;
static int hf_ubx_rxm_measx_glotowacc;
static int hf_ubx_rxm_measx_bdstowacc;
static int hf_ubx_rxm_measx_reserved3;
static int hf_ubx_rxm_measx_qzsstowacc;
static int hf_ubx_rxm_measx_numsv;
static int hf_ubx_rxm_measx_flags_towset;
static int hf_ubx_rxm_measx_reserved4;
static int hf_ubx_rxm_measx_gnssid;
static int hf_ubx_rxm_measx_svid;
static int hf_ubx_rxm_measx_cn0;
static int hf_ubx_rxm_measx_mpathindic;
static int hf_ubx_rxm_measx_dopplerms;
static int hf_ubx_rxm_measx_dopplerhz;
static int hf_ubx_rxm_measx_wholechips;
static int hf_ubx_rxm_measx_fracchips;
static int hf_ubx_rxm_measx_codephase;
static int hf_ubx_rxm_measx_intcodephase;
static int hf_ubx_rxm_measx_pseurangermserr;
static int hf_ubx_rxm_measx_reserved5;
static int hf_ubx_rxm_rawx;
static int hf_ubx_rxm_rawx_rcvtow;
static int hf_ubx_rxm_rawx_week;
static int hf_ubx_rxm_rawx_leaps;
static int hf_ubx_rxm_rawx_nummeas;
static int hf_ubx_rxm_rawx_recstat;
static int hf_ubx_rxm_rawx_recstat_leapsec;
static int hf_ubx_rxm_rawx_recstat_clkreset;
static int hf_ubx_rxm_rawx_version;
static int hf_ubx_rxm_rawx_reserved1;
static int hf_ubx_rxm_rawx_prmes;
static int hf_ubx_rxm_rawx_cpmes;
static int hf_ubx_rxm_rawx_domes;
static int hf_ubx_rxm_rawx_gnssid;
static int hf_ubx_rxm_rawx_svid;
static int hf_ubx_rxm_rawx_sigid;
static int hf_ubx_rxm_rawx_freqid;
static int hf_ubx_rxm_rawx_locktime;
static int hf_ubx_rxm_rawx_cn0;
static int hf_ubx_rxm_rawx_prstdev;
static int hf_ubx_rxm_rawx_cpstdev;
static int hf_ubx_rxm_rawx_dostdev;
static int hf_ubx_rxm_rawx_trkstat;
static int hf_ubx_rxm_rawx_trkstat_prvalid;
static int hf_ubx_rxm_rawx_trkstat_cpvalid;
static int hf_ubx_rxm_rawx_trkstat_halfcyc;
static int hf_ubx_rxm_rawx_trkstat_subhalfcyc;
static int hf_ubx_rxm_rawx_reserved2;
static int * const ubx_rxm_rawx_recstat_fields[] = {
&hf_ubx_rxm_rawx_recstat_leapsec,
&hf_ubx_rxm_rawx_recstat_clkreset,
NULL
};
static int * const ubx_rxm_rawx_trkstat_fields[] = {
&hf_ubx_rxm_rawx_trkstat_prvalid,
&hf_ubx_rxm_rawx_trkstat_cpvalid,
&hf_ubx_rxm_rawx_trkstat_halfcyc,
&hf_ubx_rxm_rawx_trkstat_subhalfcyc,
NULL
};
static int hf_ubx_rxm_sfrbx;
static int hf_ubx_rxm_sfrbx_gnssid;
static int hf_ubx_rxm_sfrbx_svid;
static int hf_ubx_rxm_sfrbx_sigid;
static int hf_ubx_rxm_sfrbx_freqid;
static int hf_ubx_rxm_sfrbx_numwords;
static int hf_ubx_rxm_sfrbx_chn;
static int hf_ubx_rxm_sfrbx_version;
static int hf_ubx_rxm_sfrbx_dwrd;
static int hf_ubx_rxm_sfrbx_reserved1;
static int hf_ubx_rxm_sfrbx_reserved2;
static int hf_ubx_rxm_sfrbx_reserved3;
static dissector_table_t ubx_class_id_dissector_table;
static dissector_table_t ubx_gnssid_dissector_table;
static expert_field ei_ubx_chksum;
static int ett_ubx;
static int ett_ubx_ack_ack;
static int ett_ubx_ack_nak;
static int ett_ubx_cfg_gnss;
static int ett_ubx_cfg_gnss_block[255];
static int ett_ubx_cfg_sbas;
static int ett_ubx_cfg_sbas_mode;
static int ett_ubx_cfg_sbas_scanmode;
static int ett_ubx_nav_dop;
static int ett_ubx_nav_eoe;
static int ett_ubx_nav_odo;
static int ett_ubx_nav_posecef;
static int ett_ubx_nav_pvt;
static int ett_ubx_nav_pvt_datetime;
static int ett_ubx_nav_pvt_valid;
static int ett_ubx_nav_pvt_flags;
static int ett_ubx_nav_pvt_flags2;
static int ett_ubx_nav_sat;
static int ett_ubx_nav_sat_sv_info[255];
static int ett_ubx_nav_sat_flags;
static int ett_ubx_nav_sbas;
static int ett_ubx_nav_sbas_service;
static int ett_ubx_nav_sbas_sv_info[255];
static int ett_ubx_nav_timegps;
static int ett_ubx_nav_timegps_tow;
static int ett_ubx_nav_timegps_valid;
static int ett_ubx_nav_timeutc;
static int ett_ubx_nav_timeutc_valid;
static int ett_ubx_nav_velecef;
static int ett_ubx_rxm_measx;
static int ett_ubx_rxm_measx_meas[255];
static int ett_ubx_rxm_rawx;
static int ett_ubx_rxm_rawx_recstat;
static int ett_ubx_rxm_rawx_trkstat;
static int ett_ubx_rxm_rawx_meas[255];
static int ett_ubx_rxm_sfrbx;
static dissector_handle_t ubx_handle;
/* compute the checksum for a UBX message (Fletcher 8-bit by RFC 1145 */
static uint16_t chksum_fletcher_8(const uint8_t *data, const int len) {
uint8_t ck_a = 0, ck_b = 0;
int i;
for (i = 0; i < len; i++) {
ck_a += data[i];
ck_b += ck_a;
}
return (ck_b << 8) | ck_a;
}
/* Format code phase */
static void fmt_codephase(char *label, uint32_t p) {
snprintf(label, ITEM_LABEL_LENGTH, "%d * 2^-21 ms", p);
}
/* Format carrier phase standard deviation */
static void fmt_cpstdev(char *label, uint32_t p) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%03d cycles", (p * 4) / 1000, (p * 4) % 1000);
}
/* Format magnetic declination */
static void fmt_decl(char *label, int32_t d) {
if (d >= 0) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%02d%s", d / 100, d % 100,
UTF8_DEGREE_SIGN);
}
else {
snprintf(label, ITEM_LABEL_LENGTH, "-%d.%02d%s", -d / 100, -d % 100,
UTF8_DEGREE_SIGN);
}
}
/* Format magnetic declination accuracy */
static void fmt_decl_acc(char *label, uint32_t a) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%02d%s", a / 100,
a % 100, UTF8_DEGREE_SIGN);
}
/* Format Dilution of Precision */
static void fmt_dop(char *label, uint32_t dop) {
snprintf(label, ITEM_LABEL_LENGTH, "%i.%02i", dop / 100, dop % 100);
}
/* Format Doppler measurement in m/s */
static void fmt_dopplerms(char *label, int32_t d) {
if (d >= 0) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%02d m/s", d * 4 / 100, (d * 4) % 100);
}
else {
snprintf(label, ITEM_LABEL_LENGTH, "-%d.%02d m/s", -d * 4 / 100, (-d * 4) % 100);
}
}
/* Format Doppler measurement in Hz */
static void fmt_dopplerhz(char *label, int32_t d) {
if (d >= 0) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%01d Hz", d * 2 / 10, (d * 2) % 10);
}
else {
snprintf(label, ITEM_LABEL_LENGTH, "-%d.%01d Hz", -d * 2 / 10, (-d * 2) % 10);
}
}
/* Format Doppler standard deviation */
static void fmt_dostdev(char *label, uint32_t p) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%03d Hz", (1 << p) * 2 / 1000, ((1 << p) * 2) % 1000);
}
/* Format heading */
static void fmt_heading(char *label, int32_t h) {
if (h >= 0) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%05d%s", h / 100000, h % 100000,
UTF8_DEGREE_SIGN);
}
else {
snprintf(label, ITEM_LABEL_LENGTH, "-%d.%05d%s", -h / 100000,
-h % 100000, UTF8_DEGREE_SIGN);
}
}
/* Format heading accuracy */
static void fmt_heading_acc(char *label, uint32_t a) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%05d%s", a / 100000,
a % 100000, UTF8_DEGREE_SIGN);
}
/* Format latitude or longitude */
static void fmt_lat_lon(char *label, int32_t l) {
if (l >= 0) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%07d%s", l / 10000000,
l % 10000000, UTF8_DEGREE_SIGN);
}
else {
snprintf(label, ITEM_LABEL_LENGTH, "-%d.%07d%s", -l / 10000000,
-l % 10000000, UTF8_DEGREE_SIGN);
}
}
/* Format pseudo-range residuals */
static void fmt_pr_res(char *label, int32_t p) {
if (p >= 0) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%01dm", p / 10, p % 10);
}
else {
snprintf(label, ITEM_LABEL_LENGTH, "-%d.%01dm", -p / 10, -p % 10);
}
}
/* Format pseudo-range standard deviation */
static void fmt_prstdev(char *label, uint32_t p) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%02dm", (1 << p) / 100, (1 << p) % 100);
}
/* Format measurement reference time accuracy */
static void fmt_towacc(char *label, uint32_t p) {
snprintf(label, ITEM_LABEL_LENGTH, "%d.%04dms", p / 16, (p * 10000 / 16) % 10000);
}
/* Dissect UBX message */
static int dissect_ubx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
tvbuff_t *next_tvb;
uint32_t msg_class_id, payload_len, cmp_chksum;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX");
col_clear(pinfo->cinfo, COL_INFO);
payload_len = tvb_get_uint16(tvb, 4, ENC_LITTLE_ENDIAN);
proto_item *ti = proto_tree_add_item(tree, proto_ubx, tvb, 0,
UBX_HEADER_SIZE + payload_len + UBX_CHKSUM_SIZE, ENC_NA);
proto_tree *ubx_tree = proto_item_add_subtree(ti, ett_ubx);
// dissect the registered fields
proto_tree_add_item(ubx_tree, hf_ubx_preamble,
tvb, 0, 2, ENC_BIG_ENDIAN);
proto_tree_add_item_ret_uint(ubx_tree, hf_ubx_msg_class_id,
tvb, 2, 2, ENC_BIG_ENDIAN, &msg_class_id);
proto_tree_add_item(ubx_tree, hf_ubx_payload_len,
tvb, 4, 2, ENC_LITTLE_ENDIAN);
// checksum
cmp_chksum = chksum_fletcher_8(
(uint8_t *)tvb_memdup(pinfo->pool, tvb, 2, UBX_HEADER_SIZE + payload_len - 2),
UBX_HEADER_SIZE + payload_len - 2);
proto_tree_add_checksum(ubx_tree,
tvb, UBX_HEADER_SIZE + payload_len,
hf_ubx_chksum, -1, &ei_ubx_chksum, NULL, cmp_chksum,
ENC_LITTLE_ENDIAN, PROTO_CHECKSUM_VERIFY);
// send the payload to the next dissector
next_tvb = tvb_new_subset_length(tvb, UBX_HEADER_SIZE, payload_len);
if (!dissector_try_uint(ubx_class_id_dissector_table, msg_class_id,
next_tvb, pinfo, tree)) {
call_data_dissector(next_tvb, pinfo, tree);
}
return tvb_captured_length(tvb);
}
/* Dissect UBX-ACK-ACK message */
static int dissect_ubx_ack_ack(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-ACK-ACK");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_ack_ack, tvb, 0, 2, ENC_NA);
proto_tree *ubx_ack_ack_tree = proto_item_add_subtree(ti, ett_ubx_ack_ack);
// dissect the registered fields
proto_tree_add_item(ubx_ack_ack_tree, hf_ubx_ack_ack_msg_class_id,
tvb, 0, 2, ENC_BIG_ENDIAN);
return tvb_captured_length(tvb);
}
/* Dissect UBX-ACK-NAK message */
static int dissect_ubx_ack_nak(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-ACK-NAK");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_ack_nak, tvb, 0, 2, ENC_NA);
proto_tree *ubx_ack_nak_tree = proto_item_add_subtree(ti, ett_ubx_ack_nak);
// dissect the registered fields
proto_tree_add_item(ubx_ack_nak_tree, hf_ubx_ack_nak_msg_class_id,
tvb, 0, 2, ENC_BIG_ENDIAN);
return tvb_captured_length(tvb);
}
/* Dissect UBX-CFG-SBAS message */
static int dissect_ubx_cfg_gnss(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
uint8_t i, num_config_blocks;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-CFG-GNSS");
col_clear(pinfo->cinfo, COL_INFO);
num_config_blocks = tvb_get_uint8(tvb, 3);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_cfg_gnss,
tvb, 0, 4 + 8 * num_config_blocks, ENC_NA);
proto_tree *ubx_cfg_gnss_tree = proto_item_add_subtree(ti, ett_ubx_cfg_gnss);
// dissect the registered fields
proto_tree_add_item(ubx_cfg_gnss_tree, hf_ubx_cfg_gnss_version,
tvb, 0, 1, ENC_NA);
proto_tree_add_item(ubx_cfg_gnss_tree, hf_ubx_cfg_gnss_numtrkchhw,
tvb, 1, 1, ENC_NA);
proto_tree_add_item(ubx_cfg_gnss_tree, hf_ubx_cfg_gnss_numtrkchuse,
tvb, 2, 1, ENC_NA);
proto_tree_add_item(ubx_cfg_gnss_tree, hf_ubx_cfg_gnss_numconfigblocks,
tvb, 3, 1, ENC_NA);
for (i = 0; i < num_config_blocks; i++) {
const uint8_t gnss_id = tvb_get_uint8(tvb, 4 + 8 * i);
const uint8_t res_trk_ch = tvb_get_uint8(tvb, 5 + 8 * i);
const uint8_t max_trk_ch = tvb_get_uint8(tvb, 6 + 8 * i);
proto_tree *gnss_blk_tree = proto_tree_add_subtree_format(ubx_cfg_gnss_tree,
tvb, 4 + 8 * i, 8, ett_ubx_cfg_gnss_block[i], NULL,
"%-7s (Res Trk Ch %2d, Max Trk Ch %2d)",
val_to_str_const(gnss_id, UBX_GNSS_ID, "Unknown GNSS ID"),
res_trk_ch, max_trk_ch);
proto_tree_add_item(gnss_blk_tree, hf_ubx_cfg_gnss_blk_gnssid,
tvb, 4 + 8 * i, 1, ENC_NA);
proto_tree_add_item(gnss_blk_tree, hf_ubx_cfg_gnss_blk_restrkch,
tvb, 5 + 8 * i, 1, ENC_NA);
proto_tree_add_item(gnss_blk_tree, hf_ubx_cfg_gnss_blk_maxtrkch,
tvb, 6 + 8 * i, 1, ENC_NA);
proto_tree_add_item(gnss_blk_tree, hf_ubx_cfg_gnss_blk_reserved1,
tvb, 7 + 8 * i, 1, ENC_NA);
proto_tree_add_item(gnss_blk_tree, hf_ubx_cfg_gnss_blk_enable,
tvb, 8 + 8 * i, 4, ENC_LITTLE_ENDIAN);
int hf;
switch (gnss_id) {
case GNSS_ID_GPS:
hf = hf_ubx_cfg_gnss_blk_gps_sigcfgmask;
break;
case GNSS_ID_SBAS:
hf = hf_ubx_cfg_gnss_blk_sbas_sigcfgmask;
break;
case GNSS_ID_GALILEO:
hf = hf_ubx_cfg_gnss_blk_gal_sigcfgmask;
break;
case GNSS_ID_BEIDOU:
hf = hf_ubx_cfg_gnss_blk_bds_sigcfgmask;
break;
case GNSS_ID_IMES:
hf = hf_ubx_cfg_gnss_blk_imes_sigcfgmask;
break;
case GNSS_ID_QZSS:
hf = hf_ubx_cfg_gnss_blk_qzss_sigcfgmask;
break;
case GNSS_ID_GLONASS:
hf = hf_ubx_cfg_gnss_blk_glo_sigcfgmask;
break;
default:
hf = hf_ubx_cfg_gnss_blk_sigcfgmask;
}
proto_tree_add_item(gnss_blk_tree, hf,
tvb, 8 + 8 * i, 4, ENC_LITTLE_ENDIAN);
}
return tvb_captured_length(tvb);
}
/* Dissect UBX-CFG-SBAS message */
static int dissect_ubx_cfg_sbas(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-CFG-SBAS");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_cfg_sbas, tvb, 0, 2, ENC_NA);
proto_tree *ubx_cfg_sbas_tree = proto_item_add_subtree(ti, ett_ubx_cfg_sbas);
// dissect the registered fields
proto_tree_add_bitmask(ubx_cfg_sbas_tree, tvb, 0, hf_ubx_cfg_sbas_mode,
ett_ubx_cfg_sbas_mode, ubx_cfg_sbas_mode_fields, ENC_NA);
proto_tree_add_item(ubx_cfg_sbas_tree, hf_ubx_cfg_sbas_usage_range,
tvb, 1, 1, ENC_NA);
proto_tree_add_item(ubx_cfg_sbas_tree, hf_ubx_cfg_sbas_usage_diffcorr,
tvb, 1, 1, ENC_NA);
proto_tree_add_item(ubx_cfg_sbas_tree, hf_ubx_cfg_sbas_usage_integrity,
tvb, 1, 1, ENC_NA);
proto_tree_add_item(ubx_cfg_sbas_tree, hf_ubx_cfg_sbas_max_sbas,
tvb, 2, 1, ENC_NA);
// scanmode bitmask
proto_tree *scanmode_tree = proto_tree_add_subtree(ubx_cfg_sbas_tree,
tvb, 3, 5, ett_ubx_cfg_sbas_scanmode, NULL, "Scanmode bitmask");
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn120,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn121,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn122,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn123,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn124,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn125,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn126,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn127,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn128,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn129,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn130,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn131,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn132,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn133,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn134,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn135,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn136,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn137,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn138,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn139,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn140,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn141,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn142,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn143,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn144,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn145,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn146,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn147,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn148,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn149,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn150,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn151,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn152,
tvb, 3, 1, ENC_NA);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn153,
tvb, 3, 1, ENC_NA);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn154,
tvb, 3, 1, ENC_NA);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn155,
tvb, 3, 1, ENC_NA);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn156,
tvb, 3, 1, ENC_NA);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn157,
tvb, 3, 1, ENC_NA);
proto_tree_add_item(scanmode_tree, hf_ubx_cfg_sbas_scanmode_prn158,
tvb, 3, 1, ENC_NA);
return tvb_captured_length(tvb);
}
/* Dissect UBX-NAV-DOP message */
static int dissect_ubx_nav_dop(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-NAV-DOP");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_nav_dop,
tvb, 0, 18, ENC_NA);
proto_tree *ubx_nav_dop_tree = proto_item_add_subtree(ti, ett_ubx_nav_dop);
// dissect the registered fields
proto_tree_add_item(ubx_nav_dop_tree, hf_ubx_nav_dop_itow,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_dop_tree, hf_ubx_nav_dop_gdop, tvb, 4, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_dop_tree, hf_ubx_nav_dop_pdop, tvb, 6, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_dop_tree, hf_ubx_nav_dop_tdop, tvb, 8, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_dop_tree, hf_ubx_nav_dop_vdop, tvb, 10, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_dop_tree, hf_ubx_nav_dop_hdop, tvb, 12, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_dop_tree, hf_ubx_nav_dop_ndop, tvb, 14, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_dop_tree, hf_ubx_nav_dop_edop, tvb, 16, 2, ENC_LITTLE_ENDIAN);
return tvb_captured_length(tvb);
}
/* Dissect UBX-NAV-EOE message */
static int dissect_ubx_nav_eoe(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-NAV-EOE");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_nav_eoe,
tvb, 0, 4, ENC_NA);
proto_tree *ubx_nav_eoe_tree = proto_item_add_subtree(ti, ett_ubx_nav_eoe);
// dissect the registered fields
proto_tree_add_item(ubx_nav_eoe_tree, hf_ubx_nav_eoe_itow,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
return tvb_captured_length(tvb);
}
/* Dissect UBX-NAV-ODO message */
static int dissect_ubx_nav_odo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-NAV-ODO");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_nav_odo,
tvb, 0, 20, ENC_NA);
proto_tree *ubx_nav_odo_tree = proto_item_add_subtree(ti, ett_ubx_nav_odo);
// dissect the registered fields
proto_tree_add_item(ubx_nav_odo_tree, hf_ubx_nav_odo_version,
tvb, 0, 1, ENC_NA);
proto_tree_add_item(ubx_nav_odo_tree, hf_ubx_nav_odo_reserved1,
tvb, 1, 3, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_odo_tree, hf_ubx_nav_odo_itow,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_odo_tree, hf_ubx_nav_odo_distance,
tvb, 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_odo_tree, hf_ubx_nav_odo_totaldistance,
tvb, 12, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_odo_tree, hf_ubx_nav_odo_distancestd,
tvb, 16, 4, ENC_LITTLE_ENDIAN);
return tvb_captured_length(tvb);
}
/* Dissect UBX-NAV-POSECEF message */
static int dissect_ubx_nav_posecef(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-NAV-POSECEF");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_nav_posecef,
tvb, 0, 20, ENC_NA);
proto_tree *ubx_nav_posecef_tree = proto_item_add_subtree(ti, ett_ubx_nav_posecef);
// dissect the registered fields
proto_tree_add_item(ubx_nav_posecef_tree, hf_ubx_nav_posecef_itow,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_posecef_tree, hf_ubx_nav_posecef_ecefx,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_posecef_tree, hf_ubx_nav_posecef_ecefy,
tvb, 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_posecef_tree, hf_ubx_nav_posecef_ecefz,
tvb, 12, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_posecef_tree, hf_ubx_nav_posecef_pacc,
tvb, 16, 4, ENC_LITTLE_ENDIAN);
return tvb_captured_length(tvb);
}
/* Dissect UBX-NAV-PVT message */
static int dissect_ubx_nav_pvt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-NAV-PVT");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_nav_pvt,
tvb, 0, 92, ENC_NA);
proto_tree *ubx_nav_pvt_tree = proto_item_add_subtree(ti, ett_ubx_nav_pvt);
// dissect the registered fields
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_itow,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
// dissect date & time
uint16_t year = tvb_get_int16(tvb, 4, ENC_LITTLE_ENDIAN);
uint8_t month = tvb_get_int8(tvb, 6);
uint8_t day = tvb_get_int8(tvb, 7);
uint8_t hour = tvb_get_int8(tvb, 8);
uint8_t min = tvb_get_int8(tvb, 9);
uint8_t sec = tvb_get_int8(tvb, 10);
proto_tree *datetime_tree = proto_tree_add_subtree_format(ubx_nav_pvt_tree,
tvb, 4, 7, ett_ubx_nav_pvt_datetime, NULL,
"Date/time: %04d-%02d-%02d %02d:%02d:%02d",
year, month, day, hour, min, sec);
proto_tree_add_item(datetime_tree, hf_ubx_nav_pvt_year,
tvb, 4, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(datetime_tree, hf_ubx_nav_pvt_month,
tvb, 6, 1, ENC_NA);
proto_tree_add_item(datetime_tree, hf_ubx_nav_pvt_day,
tvb, 7, 1, ENC_NA);
proto_tree_add_item(datetime_tree, hf_ubx_nav_pvt_hour,
tvb, 8, 1, ENC_NA);
proto_tree_add_item(datetime_tree, hf_ubx_nav_pvt_min,
tvb, 9, 1, ENC_NA);
proto_tree_add_item(datetime_tree, hf_ubx_nav_pvt_sec,
tvb, 10, 1, ENC_NA);
proto_tree_add_bitmask(ubx_nav_pvt_tree, tvb, 11, hf_ubx_nav_pvt_valid,
ett_ubx_nav_pvt_valid, ubx_nav_pvt_valid_fields, ENC_NA);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_tacc,
tvb, 12, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_nano,
tvb, 16, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_fixtype,
tvb, 20, 1, ENC_NA);
proto_tree_add_bitmask(ubx_nav_pvt_tree, tvb, 21, hf_ubx_nav_pvt_flags,
ett_ubx_nav_pvt_flags, ubx_nav_pvt_flags_fields, ENC_NA);
proto_tree_add_bitmask(ubx_nav_pvt_tree, tvb, 22, hf_ubx_nav_pvt_flags2,
ett_ubx_nav_pvt_flags2, ubx_nav_pvt_flags2_fields, ENC_NA);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_numsv,
tvb, 23, 1, ENC_NA);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_lon,
tvb, 24, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_lat,
tvb, 28, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_height,
tvb, 32, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_hmsl,
tvb, 36, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_hacc,
tvb, 40, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_vacc,
tvb, 44, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_veln,
tvb, 48, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_vele,
tvb, 52, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_veld,
tvb, 56, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_gspeed,
tvb, 60, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_headmot,
tvb, 64, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_sacc,
tvb, 68, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_headacc,
tvb, 72, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_pdop,
tvb, 76, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_invalidllh,
tvb, 78, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_lastcorrectionage,
tvb, 78, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_reserved1,
tvb, 80, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_headveh,
tvb, 84, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_magdec,
tvb, 88, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_pvt_tree, hf_ubx_nav_pvt_magacc,
tvb, 90, 2, ENC_LITTLE_ENDIAN);
return tvb_captured_length(tvb);
}
/* Dissect UBX-NAV-SAT message */
static int dissect_ubx_nav_sat(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
uint16_t i;
uint32_t num_svs;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-NAV-SAT");
col_clear(pinfo->cinfo, COL_INFO);
num_svs = tvb_get_uint8(tvb, 5);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_nav_sat,
tvb, 0, 8 + 12 * num_svs, ENC_NA);
proto_tree *ubx_nav_sat_tree = proto_item_add_subtree(ti, ett_ubx_nav_sat);
// dissect the registered fields
proto_tree_add_item(ubx_nav_sat_tree, hf_ubx_nav_sat_itow,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_sat_tree, hf_ubx_nav_sat_version,
tvb, 4, 1, ENC_NA);
proto_tree_add_item(ubx_nav_sat_tree, hf_ubx_nav_sat_num_svs,
tvb, 5, 1, ENC_NA);
proto_tree_add_item(ubx_nav_sat_tree, hf_ubx_nav_sat_reserved1,
tvb, 6, 2, ENC_NA);
for (i = 0; i < num_svs; i++) {
const uint8_t gnss_id = tvb_get_uint8(tvb, 8 + 12 * i);
const uint8_t sv_id = tvb_get_uint8(tvb, 9 + 12 * i);
const uint32_t used = (tvb_get_uint32(tvb, 16 + 12 * i, ENC_LITTLE_ENDIAN) & 0x0008) >> 3;
proto_tree *sv_info_tree = proto_tree_add_subtree_format(ubx_nav_sat_tree,
tvb, 8 + 12 * i, 12, ett_ubx_nav_sat_sv_info[i], NULL,
"%-7s / SV ID %3d, used %d",
val_to_str_const(gnss_id, UBX_GNSS_ID, "Unknown GNSS ID"),
sv_id, used);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sat_gnss_id,
tvb, 8 + 12 * i, 1, ENC_NA);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sat_sv_id,
tvb, 9 + 12 * i, 1, ENC_NA);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sat_cn0,
tvb, 10 + 12 * i, 1, ENC_NA);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sat_elev,
tvb, 11 + 12 * i, 1, ENC_NA);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sat_azim,
tvb, 12 + 12 * i, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sat_pr_res,
tvb, 14 + 12 * i, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_bitmask(sv_info_tree, tvb, 16 + 12 * i,
hf_ubx_nav_sat_flags, ett_ubx_nav_sat_flags,
ubx_nav_sat_flags_fields, ENC_LITTLE_ENDIAN);
}
return tvb_captured_length(tvb);
}
/* Dissect UBX-NAV-SBAS message */
static int dissect_ubx_nav_sbas(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
uint16_t i;
uint32_t num_svs;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-NAV-SBAS");
col_clear(pinfo->cinfo, COL_INFO);
num_svs = tvb_get_uint8(tvb, 8);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_nav_sbas,
tvb, 0, 12 + 12 * num_svs, ENC_NA);
proto_tree *ubx_nav_sbas_tree = proto_item_add_subtree(ti, ett_ubx_nav_sbas);
proto_tree_add_item(ubx_nav_sbas_tree, hf_ubx_nav_sbas_itow,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_sbas_tree, hf_ubx_nav_sbas_geo,
tvb, 4, 1, ENC_NA);
proto_tree_add_item(ubx_nav_sbas_tree, hf_ubx_nav_sbas_mode,
tvb, 5, 1, ENC_NA);
proto_tree_add_item(ubx_nav_sbas_tree, hf_ubx_nav_sbas_sys,
tvb, 6, 1, ENC_NA);
proto_tree_add_bitmask(ubx_nav_sbas_tree, tvb, 7, hf_ubx_nav_sbas_service,
ett_ubx_nav_sbas_service, ubx_nav_sbas_service_fields, ENC_NA);
proto_tree_add_item(ubx_nav_sbas_tree, hf_ubx_nav_sbas_cnt,
tvb, 8, 1, ENC_NA);
proto_tree_add_item(ubx_nav_sbas_tree, hf_ubx_nav_sbas_reserved1,
tvb, 9, 3, ENC_LITTLE_ENDIAN);
for (i = 0; i < num_svs; i++) {
const uint8_t sv_id = tvb_get_uint8(tvb, 12 + 12 * i);
proto_tree *sv_info_tree = proto_tree_add_subtree_format(ubx_nav_sbas_tree,
tvb, 12 + 12 * i, 12, ett_ubx_nav_sbas_sv_info[i], NULL,
"SV ID %3d", sv_id);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sbas_sv_id,
tvb, 12 + 12 * i, 1, ENC_NA);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sbas_flags,
tvb, 13 + 12 * i, 1, ENC_NA);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sbas_udre,
tvb, 14 + 12 * i, 1, ENC_NA);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sbas_sv_sys,
tvb, 15 + 12 * i, 1, ENC_NA);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sbas_sv_service,
tvb, 16 + 12 * i, 1, ENC_NA);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sbas_reserved2,
tvb, 17 + 12 * i, 1, ENC_NA);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sbas_prc,
tvb, 18 + 12 * i, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sbas_reserved3,
tvb, 20 + 12 * i, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(sv_info_tree, hf_ubx_nav_sbas_ic,
tvb, 22 + 12 * i, 2, ENC_LITTLE_ENDIAN);
}
return tvb_captured_length(tvb);
}
/* Dissect UBX-NAV-TIMEGPS message */
static int dissect_ubx_nav_timegps(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
uint32_t itow;
int32_t ftow;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-NAV-TIMEGPS");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_nav_timegps,
tvb, 0, 16, ENC_NA);
proto_tree *ubx_nav_timegps_tree = proto_item_add_subtree(ti, ett_ubx_nav_timegps);
// dissect the registered fields
itow = tvb_get_uint32(tvb, 0, ENC_LITTLE_ENDIAN);
ftow = tvb_get_int32(tvb, 4, ENC_LITTLE_ENDIAN);
ftow = (itow % 1000) * 1000000 + ftow;
itow = itow / 1000;
if (ftow < 0) {
itow = itow - 1;
ftow = 1000000000 + ftow;
}
proto_tree *tow_tree = proto_tree_add_subtree_format(ubx_nav_timegps_tree,
tvb, 0, 8, ett_ubx_nav_timegps_tow, NULL, "TOW: %d.%09ds", itow, ftow);
proto_tree_add_item(tow_tree, hf_ubx_nav_timegps_itow,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(tow_tree, hf_ubx_nav_timegps_ftow,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_timegps_tree, hf_ubx_nav_timegps_week,
tvb, 8, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_timegps_tree, hf_ubx_nav_timegps_leaps,
tvb, 10, 1, ENC_NA);
proto_tree_add_bitmask(ubx_nav_timegps_tree, tvb, 11,
hf_ubx_nav_timegps_valid, ett_ubx_nav_timegps_valid,
ubx_nav_timegps_valid_fields, ENC_NA);
proto_tree_add_item(ubx_nav_timegps_tree, hf_ubx_nav_timegps_tacc,
tvb, 12, 4, ENC_LITTLE_ENDIAN);
return tvb_captured_length(tvb);
}
/* Dissect UBX-NAV-TIMEUTC message */
static int dissect_ubx_nav_timeutc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-NAV-TIMEUTC");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_nav_timeutc,
tvb, 0, 20, ENC_NA);
proto_tree *ubx_nav_timeutc_tree = proto_item_add_subtree(ti, ett_ubx_nav_timeutc);
proto_tree_add_item(ubx_nav_timeutc_tree, hf_ubx_nav_timeutc_itow,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_timeutc_tree, hf_ubx_nav_timeutc_tacc,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_timeutc_tree, hf_ubx_nav_timeutc_nano,
tvb, 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_timeutc_tree, hf_ubx_nav_timeutc_year,
tvb, 12, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_timeutc_tree, hf_ubx_nav_timeutc_month,
tvb, 14, 1, ENC_NA);
proto_tree_add_item(ubx_nav_timeutc_tree, hf_ubx_nav_timeutc_day,
tvb, 15, 1, ENC_NA);
proto_tree_add_item(ubx_nav_timeutc_tree, hf_ubx_nav_timeutc_hour,
tvb, 16, 1, ENC_NA);
proto_tree_add_item(ubx_nav_timeutc_tree, hf_ubx_nav_timeutc_min,
tvb, 17, 1, ENC_NA);
proto_tree_add_item(ubx_nav_timeutc_tree, hf_ubx_nav_timeutc_sec,
tvb, 18, 1, ENC_NA);
proto_tree_add_bitmask(ubx_nav_timeutc_tree, tvb, 19,
hf_ubx_nav_timeutc_valid, ett_ubx_nav_timeutc_valid,
ubx_nav_timeutc_valid_fields, ENC_NA);
return tvb_captured_length(tvb);
}
/* Dissect UBX-NAV-VELECEF message */
static int dissect_ubx_nav_velecef(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-NAV-VELECEF");
col_clear(pinfo->cinfo, COL_INFO);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_nav_velecef,
tvb, 0, 20, ENC_NA);
proto_tree *ubx_nav_velecef_tree = proto_item_add_subtree(ti, ett_ubx_nav_velecef);
// dissect the registered fields
proto_tree_add_item(ubx_nav_velecef_tree, hf_ubx_nav_velecef_itow,
tvb, 0, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_velecef_tree, hf_ubx_nav_velecef_ecefvx,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_velecef_tree, hf_ubx_nav_velecef_ecefvy,
tvb, 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_velecef_tree, hf_ubx_nav_velecef_ecefvz,
tvb, 12, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_nav_velecef_tree, hf_ubx_nav_velecef_sacc,
tvb, 16, 4, ENC_LITTLE_ENDIAN);
return tvb_captured_length(tvb);
}
/* Dissect UBX-RXM-MEASX message */
static int dissect_ubx_rxm_measx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
uint32_t i, numsv;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-RXM-MEASX");
col_clear(pinfo->cinfo, COL_INFO);
numsv = tvb_get_uint8(tvb, 34);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_rxm_measx,
tvb, 0, 44 + numsv * 24, ENC_NA);
proto_tree *ubx_rxm_measx_tree = proto_item_add_subtree(ti, ett_ubx_rxm_measx);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_version,
tvb, 0, 1, ENC_NA);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_reserved1,
tvb, 1, 3, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_gpstow,
tvb, 4, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_glotow,
tvb, 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_bdstow,
tvb, 12, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_reserved2,
tvb, 16, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_qzsstow,
tvb, 20, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_gpstowacc,
tvb, 24, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_glotowacc,
tvb, 26, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_bdstowacc,
tvb, 28, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_reserved3,
tvb, 30, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_qzsstowacc,
tvb, 32, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_numsv,
tvb, 34, 1, ENC_NA);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_flags_towset,
tvb, 35, 1, ENC_NA);
proto_tree_add_item(ubx_rxm_measx_tree, hf_ubx_rxm_measx_reserved4,
tvb, 36, 8, ENC_LITTLE_ENDIAN);
for (i = 0; i < numsv; i++) {
const uint8_t gnss_id = tvb_get_uint8(tvb, 44 + 24 * i);
const uint8_t sv_id = tvb_get_uint8(tvb, 45 + 24 * i);
const uint8_t cn0 = tvb_get_uint8(tvb, 46 + 24 * i);
proto_tree *meas_tree = proto_tree_add_subtree_format(ubx_rxm_measx_tree,
tvb, 44 + 24 * i, 24, ett_ubx_rxm_measx_meas[i], NULL,
"%-7s / SV ID %3d / C/N0 %d dB-Hz",
val_to_str_const(gnss_id, UBX_GNSS_ID, "Unknown GNSS ID"),
sv_id, cn0);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_gnssid,
tvb, 44 + 24 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_svid,
tvb, 45 + 24 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_cn0,
tvb, 46 + 24 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_mpathindic,
tvb, 47 + 24 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_dopplerms,
tvb, 48 + 24 * i, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_dopplerhz,
tvb, 52 + 24 * i, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_wholechips,
tvb, 56 + 24 * i, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_fracchips,
tvb, 58 + 24 * i, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_codephase,
tvb, 60 + 24 * i, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_intcodephase,
tvb, 64 + 24 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_pseurangermserr,
tvb, 65 + 24 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_measx_reserved5,
tvb, 66 + 24 * i, 2, ENC_LITTLE_ENDIAN);
}
return tvb_captured_length(tvb);
}
/* Dissect UBX-RXM-RAWX message */
static int dissect_ubx_rxm_rawx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
uint32_t i, nummeas;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-RXM-RAWX");
col_clear(pinfo->cinfo, COL_INFO);
nummeas = tvb_get_uint8(tvb, 11);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_rxm_rawx,
tvb, 0, 16 + nummeas * 32, ENC_NA);
proto_tree *ubx_rxm_rawx_tree = proto_item_add_subtree(ti, ett_ubx_rxm_rawx);
proto_tree_add_item(ubx_rxm_rawx_tree, hf_ubx_rxm_rawx_rcvtow,
tvb, 0, 8, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_rawx_tree, hf_ubx_rxm_rawx_week,
tvb, 8, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ubx_rxm_rawx_tree, hf_ubx_rxm_rawx_leaps,
tvb, 10, 1, ENC_NA);
proto_tree_add_item(ubx_rxm_rawx_tree, hf_ubx_rxm_rawx_nummeas,
tvb, 11, 1, ENC_NA);
proto_tree_add_bitmask(ubx_rxm_rawx_tree, tvb, 12,
hf_ubx_rxm_rawx_recstat, ett_ubx_rxm_rawx_recstat,
ubx_rxm_rawx_recstat_fields, ENC_NA);
proto_tree_add_item(ubx_rxm_rawx_tree, hf_ubx_rxm_rawx_version,
tvb, 13, 1, ENC_NA);
proto_tree_add_item(ubx_rxm_rawx_tree, hf_ubx_rxm_rawx_reserved1,
tvb, 14, 2, ENC_LITTLE_ENDIAN);
for (i = 0; i < nummeas; i++) {
const uint8_t gnss_id = tvb_get_uint8(tvb, 36 + 32 * i);
const uint8_t sv_id = tvb_get_uint8(tvb, 37 + 32 * i);
const uint8_t cn0 = tvb_get_uint8(tvb, 42 + 32 * i);
proto_tree *meas_tree = proto_tree_add_subtree_format(ubx_rxm_rawx_tree,
tvb, 16 + 32 * i, 32, ett_ubx_rxm_rawx_meas[i], NULL,
"%-7s / SV ID %3d / C/N0 %d dB-Hz",
val_to_str_const(gnss_id, UBX_GNSS_ID, "Unknown GNSS ID"),
sv_id, cn0);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_prmes,
tvb, 16 + 32 * i, 8, ENC_LITTLE_ENDIAN);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_cpmes,
tvb, 24 + 32 * i, 8, ENC_LITTLE_ENDIAN);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_domes,
tvb, 32 + 32 * i, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_gnssid,
tvb, 36 + 32 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_svid,
tvb, 37 + 32 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_sigid,
tvb, 38 + 32 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_freqid,
tvb, 39 + 32 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_locktime,
tvb, 40 + 32 * i, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_cn0,
tvb, 42 + 32 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_prstdev,
tvb, 43 + 32 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_cpstdev,
tvb, 44 + 32 * i, 1, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_dostdev,
tvb, 45 + 32 * i, 1, ENC_NA);
proto_tree_add_bitmask(meas_tree, tvb, 46,
hf_ubx_rxm_rawx_trkstat, ett_ubx_rxm_rawx_trkstat,
ubx_rxm_rawx_trkstat_fields, ENC_NA);
proto_tree_add_item(meas_tree, hf_ubx_rxm_rawx_reserved2,
tvb, 47 + 32 * i, 1, ENC_NA);
}
return tvb_captured_length(tvb);
}
/* Dissect UBX-RXM-SFRBX message */
static int dissect_ubx_rxm_sfrbx(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
tvbuff_t *next_tvb;
uint8_t *buf;
uint8_t i;
uint32_t gnssid, numwords, version;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "UBX-RXM-SFRBX");
col_clear(pinfo->cinfo, COL_INFO);
// get length of the payload and protocol version
numwords = tvb_get_uint8(tvb, 4);
version = tvb_get_uint8(tvb, 6);
proto_item *ti = proto_tree_add_item(tree, hf_ubx_rxm_sfrbx,
tvb, 0, 8 + numwords * 4, ENC_NA);
proto_tree *ubx_rxm_sfrbx_tree = proto_item_add_subtree(ti, ett_ubx_rxm_sfrbx);
proto_tree_add_item_ret_uint(ubx_rxm_sfrbx_tree, hf_ubx_rxm_sfrbx_gnssid,
tvb, 0, 1, ENC_NA, &gnssid);
proto_tree_add_item(ubx_rxm_sfrbx_tree, hf_ubx_rxm_sfrbx_svid,
tvb, 1, 1, ENC_NA);
switch(version) {
case 0x01: proto_tree_add_item(ubx_rxm_sfrbx_tree,
hf_ubx_rxm_sfrbx_reserved1, tvb, 2, 1, ENC_NA);
break;
case 0x02: proto_tree_add_item(ubx_rxm_sfrbx_tree,
hf_ubx_rxm_sfrbx_sigid, tvb, 2, 1, ENC_NA);
break;
}
proto_tree_add_item(ubx_rxm_sfrbx_tree, hf_ubx_rxm_sfrbx_freqid,
tvb, 3, 1, ENC_NA);
proto_tree_add_item(ubx_rxm_sfrbx_tree, hf_ubx_rxm_sfrbx_numwords,
tvb, 4, 1, ENC_NA);
switch(version) {
case 0x01: proto_tree_add_item(ubx_rxm_sfrbx_tree,
hf_ubx_rxm_sfrbx_reserved2, tvb, 5, 1, ENC_NA);
break;
case 0x02: proto_tree_add_item(ubx_rxm_sfrbx_tree,
hf_ubx_rxm_sfrbx_chn, tvb, 5, 1, ENC_NA);
break;
}
proto_tree_add_item(ubx_rxm_sfrbx_tree, hf_ubx_rxm_sfrbx_version,
tvb, 6, 1, ENC_NA);
switch(version) {
case 0x01: proto_tree_add_item(ubx_rxm_sfrbx_tree,
hf_ubx_rxm_sfrbx_reserved3, tvb, 7, 1, ENC_NA);
break;
case 0x02: proto_tree_add_item(ubx_rxm_sfrbx_tree,
hf_ubx_rxm_sfrbx_reserved1, tvb, 7, 1, ENC_NA);
break;
}
proto_tree_add_item(ubx_rxm_sfrbx_tree, hf_ubx_rxm_sfrbx_dwrd,
tvb, 8, numwords * 4, ENC_NA);
if (gnssid == GNSS_ID_GPS) {
// send the GPS nav msg (preprocessed by UBX) to the next dissector
next_tvb = tvb_new_subset_length(tvb, 8, 4 * numwords);
}
else {
// UBX-RXM-SFRBX has the nav msg encoded in little endian. As this is not
// convenient for dissection, map to big endian and add as new data source.
buf = wmem_alloc(pinfo->pool, numwords * 4);
for (i = 0; i < numwords; i++) {
phton32(buf + 4 * i, tvb_get_uint32(tvb, 8 + i * 4, ENC_LITTLE_ENDIAN));
}
next_tvb = tvb_new_child_real_data(tvb, (uint8_t *)buf, numwords * 4, numwords * 4);
add_new_data_source(pinfo, next_tvb, "GNSS navigation message");
}
// send the nav msg to the next dissector
if (!dissector_try_uint(ubx_gnssid_dissector_table, gnssid, next_tvb, pinfo, tree)) {
call_data_dissector(next_tvb, pinfo, tree);
}
return tvb_captured_length(tvb);
}
void proto_register_ubx(void) {
static hf_register_info hf[] = {
{&hf_ubx_preamble,
{"Preamble", "ubx.preamble",
FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_msg_class_id,
{"Msg Class & ID", "ubx.msg_class_id",
FT_UINT16, BASE_HEX, VALS(UBX_MSG_CLASS_ID), 0x0, NULL, HFILL}},
{&hf_ubx_payload_len,
{"Payload Length", "ubx.payload_len",
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_chksum,
{"Checksum", "ubx.checksum",
FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL}},
// ACK-ACK
{&hf_ubx_ack_ack,
{"UBX-ACK-ACK", "ubx.ack.ack",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_ack_ack_msg_class_id,
{"Msg Class & ID", "ubx.ack.ack.msg_class_id",
FT_UINT16, BASE_HEX, VALS(UBX_MSG_CLASS_ID), 0x0, NULL, HFILL}},
// ACK-NAK
{&hf_ubx_ack_nak,
{"UBX-ACK-NAK", "ubx.ack.nak",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_ack_nak_msg_class_id,
{"Msg Class & ID", "ubx.ack.nak.msg_class_id",
FT_UINT16, BASE_HEX, VALS(UBX_MSG_CLASS_ID), 0x0, NULL, HFILL}},
// CFG-GNSS
{&hf_ubx_cfg_gnss,
{"UBX-CFG-GNSS", "ubx.cfg.gnss",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_gnss_version,
{"Version", "ubx.cfg.gnss.version",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_gnss_numtrkchhw,
{"Number of tracking channels available in hardware", "ubx.cfg.gnss.numtrkchhw",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_gnss_numtrkchuse,
{"Number of tracking channels to use", "ubx.cfg.gnss.numtrkchuse",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_gnss_numconfigblocks,
{"Number of configuration blocks following", "ubx.cfg.gnss.numconfigblocks",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_gnssid,
{"GNSS ID", "ubx.cfg.gnss.gnssid",
FT_UINT8, BASE_DEC, VALS(UBX_GNSS_ID), 0x0, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_restrkch,
{"Number of reserved (minimum) tracking channels", "ubx.cfg.gnss.restrkch",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_maxtrkch,
{"Maximum number of tracking channels", "ubx.cfg.gnss.maxtrkch",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_reserved1,
{"Reserved", "ubx.cfg.gnss.reserved1",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_enable,
{"Enabled", "ubx.cfg.gnss.enabled",
FT_UINT32, BASE_HEX, NULL, 0x00000001, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_sigcfgmask,
{"Signal configuration mask", "ubx.cfg.gnss.sigcfgmask",
FT_UINT32, BASE_HEX, NULL, 0x00ff0000, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_gps_sigcfgmask,
{"Signal configuration mask", "ubx.cfg.gnss.sigcfgmask",
FT_UINT32, BASE_HEX, VALS(UBX_CFG_GNSS_GPS_SIGCFGMASK), 0x00ff0000, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_sbas_sigcfgmask,
{"Signal configuration mask", "ubx.cfg.gnss.sigcfgmask",
FT_UINT32, BASE_HEX, VALS(UBX_CFG_GNSS_SBAS_SIGCFGMASK), 0x00ff0000, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_gal_sigcfgmask,
{"Signal configuration mask", "ubx.cfg.gnss.sigcfgmask",
FT_UINT32, BASE_HEX, VALS(UBX_CFG_GNSS_GAL_SIGCFGMASK), 0x00ff0000, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_bds_sigcfgmask,
{"Signal configuration mask", "ubx.cfg.gnss.sigcfgmask",
FT_UINT32, BASE_HEX, VALS(UBX_CFG_GNSS_BDS_SIGCFGMASK), 0x00ff0000, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_imes_sigcfgmask,
{"Signal configuration mask", "ubx.cfg.gnss.sigcfgmask",
FT_UINT32, BASE_HEX, VALS(UBX_CFG_GNSS_IMES_SIGCFGMASK), 0x00ff0000, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_qzss_sigcfgmask,
{"Signal configuration mask", "ubx.cfg.gnss.sigcfgmask",
FT_UINT32, BASE_HEX, VALS(UBX_CFG_GNSS_QZSS_SIGCFGMASK), 0x00ff0000, NULL, HFILL}},
{&hf_ubx_cfg_gnss_blk_glo_sigcfgmask,
{"Signal configuration mask", "ubx.cfg.gnss.sigcfgmask",
FT_UINT32, BASE_HEX, VALS(UBX_CFG_GNSS_GLO_SIGCFGMASK), 0x00ff0000, NULL, HFILL}},
// CFG-SBAS
{&hf_ubx_cfg_sbas,
{"UBX-CFG-SBAS", "ubx.cfg.sbas",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_sbas_mode,
{"SBAS mode", "ubx.cfg.sbas.mode",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_sbas_mode_enabled,
{"SBAS enabled", "ubx.cfg.sbas.mode.enabled",
FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}},
{&hf_ubx_cfg_sbas_mode_test,
{"SBAS testbed", "ubx.cfg.sbas.mode.test",
FT_UINT8, BASE_HEX, VALS(UBX_SBAS_TESTBED), 0x02, NULL, HFILL}},
{&hf_ubx_cfg_sbas_usage_range,
{"Use SBAS GEOs as a ranging source (for navigation)", "ubx.cfg.sbas.usage.range",
FT_UINT8, BASE_HEX, NULL, 0x01, NULL, HFILL}},
{&hf_ubx_cfg_sbas_usage_diffcorr,
{"Use SBAS differential corrections", "ubx.cfg.sbas.usage.diffcorr",
FT_UINT8, BASE_HEX, NULL, 0x02, NULL, HFILL}},
{&hf_ubx_cfg_sbas_usage_integrity,
{"Use SBAS integrity information", "ubx.cfg.sbas.usage.integrity",
FT_UINT8, BASE_HEX, NULL, 0x04, NULL, HFILL}},
{&hf_ubx_cfg_sbas_max_sbas,
{"Maximum number of SBAS prioritized tracking channels to use", "ubx.cfg.sbas.maxsbas",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn158,
{"PRN 158", "ubx.cfg.sbas.scanmode.prn158",
FT_UINT8, BASE_HEX, NULL, 0x40, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn157,
{"PRN 157", "ubx.cfg.sbas.scanmode.prn157",
FT_UINT8, BASE_HEX, NULL, 0x20, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn156,
{"PRN 156", "ubx.cfg.sbas.scanmode.prn156",
FT_UINT8, BASE_HEX, NULL, 0x10, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn155,
{"PRN 155", "ubx.cfg.sbas.scanmode.prn155",
FT_UINT8, BASE_HEX, NULL, 0x08, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn154,
{"PRN 154", "ubx.cfg.sbas.scanmode.prn154",
FT_UINT8, BASE_HEX, NULL, 0x04, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn153,
{"PRN 153", "ubx.cfg.sbas.scanmode.prn153",
FT_UINT8, BASE_HEX, NULL, 0x02, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn152,
{"PRN 152", "ubx.cfg.sbas.scanmode.prn152",
FT_UINT8, BASE_HEX, NULL, 0x01, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn151,
{"PRN 151", "ubx.cfg.sbas.scanmode.prn151",
FT_UINT32, BASE_HEX, NULL, 0x80000000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn150,
{"PRN 150", "ubx.cfg.sbas.scanmode.prn150",
FT_UINT32, BASE_HEX, NULL, 0x40000000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn149,
{"PRN 149", "ubx.cfg.sbas.scanmode.prn149",
FT_UINT32, BASE_HEX, NULL, 0x20000000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn148,
{"PRN 148", "ubx.cfg.sbas.scanmode.prn148",
FT_UINT32, BASE_HEX, NULL, 0x10000000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn147,
{"PRN 147", "ubx.cfg.sbas.scanmode.prn147",
FT_UINT32, BASE_HEX, NULL, 0x08000000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn146,
{"PRN 146", "ubx.cfg.sbas.scanmode.prn146",
FT_UINT32, BASE_HEX, NULL, 0x04000000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn145,
{"PRN 145", "ubx.cfg.sbas.scanmode.prn145",
FT_UINT32, BASE_HEX, NULL, 0x02000000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn144,
{"PRN 144", "ubx.cfg.sbas.scanmode.prn144",
FT_UINT32, BASE_HEX, NULL, 0x01000000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn143,
{"PRN 143", "ubx.cfg.sbas.scanmode.prn143",
FT_UINT32, BASE_HEX, NULL, 0x00800000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn142,
{"PRN 142", "ubx.cfg.sbas.scanmode.prn142",
FT_UINT32, BASE_HEX, NULL, 0x00400000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn141,
{"PRN 141", "ubx.cfg.sbas.scanmode.prn141",
FT_UINT32, BASE_HEX, NULL, 0x00200000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn140,
{"PRN 140", "ubx.cfg.sbas.scanmode.prn140",
FT_UINT32, BASE_HEX, NULL, 0x00100000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn139,
{"PRN 139", "ubx.cfg.sbas.scanmode.prn139",
FT_UINT32, BASE_HEX, NULL, 0x00080000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn138,
{"PRN 138", "ubx.cfg.sbas.scanmode.prn138",
FT_UINT32, BASE_HEX, NULL, 0x00040000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn137,
{"PRN 137", "ubx.cfg.sbas.scanmode.prn137",
FT_UINT32, BASE_HEX, NULL, 0x00020000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn136,
{"PRN 136", "ubx.cfg.sbas.scanmode.prn136",
FT_UINT32, BASE_HEX, NULL, 0x00010000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn135,
{"PRN 135", "ubx.cfg.sbas.scanmode.prn135",
FT_UINT32, BASE_HEX, NULL, 0x00008000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn134,
{"PRN 134", "ubx.cfg.sbas.scanmode.prn134",
FT_UINT32, BASE_HEX, NULL, 0x00004000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn133,
{"PRN 133", "ubx.cfg.sbas.scanmode.prn133",
FT_UINT32, BASE_HEX, NULL, 0x00002000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn132,
{"PRN 132", "ubx.cfg.sbas.scanmode.prn132",
FT_UINT32, BASE_HEX, NULL, 0x00001000, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn131,
{"PRN 131", "ubx.cfg.sbas.scanmode.prn131",
FT_UINT32, BASE_HEX, NULL, 0x00000800, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn130,
{"PRN 130", "ubx.cfg.sbas.scanmode.prn130",
FT_UINT32, BASE_HEX, NULL, 0x00000400, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn129,
{"PRN 129", "ubx.cfg.sbas.scanmode.prn129",
FT_UINT32, BASE_HEX, NULL, 0x00000200, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn128,
{"PRN 128", "ubx.cfg.sbas.scanmode.prn128",
FT_UINT32, BASE_HEX, NULL, 0x00000100, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn127,
{"PRN 127", "ubx.cfg.sbas.scanmode.prn127",
FT_UINT32, BASE_HEX, NULL, 0x00000080, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn126,
{"PRN 126", "ubx.cfg.sbas.scanmode.prn126",
FT_UINT32, BASE_HEX, NULL, 0x00000040, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn125,
{"PRN 125", "ubx.cfg.sbas.scanmode.prn125",
FT_UINT32, BASE_HEX, NULL, 0x00000020, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn124,
{"PRN 124", "ubx.cfg.sbas.scanmode.prn124",
FT_UINT32, BASE_HEX, NULL, 0x00000010, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn123,
{"PRN 123", "ubx.cfg.sbas.scanmode.prn123",
FT_UINT32, BASE_HEX, NULL, 0x00000008, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn122,
{"PRN 122", "ubx.cfg.sbas.scanmode.prn122",
FT_UINT32, BASE_HEX, NULL, 0x00000004, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn121,
{"PRN 121", "ubx.cfg.sbas.scanmode.prn121",
FT_UINT32, BASE_HEX, NULL, 0x00000002, NULL, HFILL}},
{&hf_ubx_cfg_sbas_scanmode_prn120,
{"PRN 120", "ubx.cfg.sbas.scanmode.prn120",
FT_UINT32, BASE_HEX, NULL, 0x00000001, NULL, HFILL}},
// NAV-DOP
{&hf_ubx_nav_dop,
{"UBX-NAV-DOP", "ubx.nav.dop",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_dop_itow,
{"iTOW", "ubx.nav.dop.itow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_dop_gdop,
{"Geometric DOP", "ubx.nav.dop.gdop",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_dop), 0x0, NULL, HFILL}},
{&hf_ubx_nav_dop_pdop,
{"Position DOP", "ubx.nav.dop.pdop",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_dop), 0x0, NULL, HFILL}},
{&hf_ubx_nav_dop_tdop,
{"Time DOP", "ubx.nav.dop.tdop",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_dop), 0x0, NULL, HFILL}},
{&hf_ubx_nav_dop_vdop,
{"Vertical DOP", "ubx.nav.dop.vdop",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_dop), 0x0, NULL, HFILL}},
{&hf_ubx_nav_dop_hdop,
{"Horizontal DOP", "ubx.nav.dop.hdop",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_dop), 0x0, NULL, HFILL}},
{&hf_ubx_nav_dop_ndop,
{"Northing DOP", "ubx.nav.dop.ndop",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_dop), 0x0, NULL, HFILL}},
{&hf_ubx_nav_dop_edop,
{"Easting DOP", "ubx.nav.dop.edop",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_dop), 0x0, NULL, HFILL}},
// NAV-EOE
{&hf_ubx_nav_eoe,
{"UBX-NAV-EOE", "ubx.nav.eoe",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_eoe_itow,
{"iTOW", "ubx.nav.eoe.itow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
// NAV-ODO
{&hf_ubx_nav_odo,
{"UBX-NAV-ODO", "ubx.nav.odo",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_odo_version,
{"Version", "ubx.nav.odo.version",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_odo_reserved1,
{"Reserved", "ubx.nav.odo.reserved1",
FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_odo_itow,
{"iTOW", "ubx.nav.odo.itow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_odo_distance,
{"Ground distance since last reset", "ubx.nav.odo.distance",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_meter_meters), 0x0, NULL, HFILL}},
{&hf_ubx_nav_odo_totaldistance,
{"Total cumulative ground distance", "ubx.nav.odo.totaldistance",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_meter_meters), 0x0, NULL, HFILL}},
{&hf_ubx_nav_odo_distancestd,
{"Ground distance accuracy (1-sigma)", "ubx.nav.odo.distancestd",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_meter_meters), 0x0, NULL, HFILL}},
// NAV-POSECEF
{&hf_ubx_nav_posecef,
{"UBX-NAV-POSECEF", "ubx.nav.posecef",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_posecef_itow,
{"iTOW", "ubx.nav.posecef.itow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_posecef_ecefx,
{"ECEF X coordinate", "ubx.nav.posecef.ecefx",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_centimeters), 0x0, NULL, HFILL}},
{&hf_ubx_nav_posecef_ecefy,
{"ECEF Y coordinate", "ubx.nav.posecef.ecefy",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_centimeters), 0x0, NULL, HFILL}},
{&hf_ubx_nav_posecef_ecefz,
{"ECEF Z coordinate", "ubx.nav.posecef.ecefz",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_centimeters), 0x0, NULL, HFILL}},
{&hf_ubx_nav_posecef_pacc,
{"Position accuracy estimate", "ubx.nav.posecef.pacc",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_centimeters), 0x0, NULL, HFILL}},
// NAV-PVT
{&hf_ubx_nav_pvt,
{"UBX-NAV-PVT", "ubx.nav.pvt",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_itow,
{"iTOW", "ubx.nav.pvt.itow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_year,
{"Year", "ubx.nav.pvt.year",
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_month,
{"Month", "ubx.nav.pvt.month",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_day,
{"Day", "ubx.nav.pvt.day",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_hour,
{"Hour", "ubx.nav.pvt.hour",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_min,
{"Minute", "ubx.nav.pvt.min",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_sec,
{"Seconds", "ubx.nav.pvt.sec",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_valid,
{"Validity flags", "ubx.nav.pvt.valid",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_validmag,
{"Valid magnetic declination", "ubx.nav.pvt.valid.validmag",
FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL}},
{&hf_ubx_nav_pvt_fullyresolved,
{"UTC time of day fully resolved", "ubx.nav.pvt.valid.fullyresolved",
FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL}},
{&hf_ubx_nav_pvt_validtime,
{"valid UTC time of day", "ubx.nav.pvt.valid.validtime",
FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}},
{&hf_ubx_nav_pvt_validdate,
{"valid UTC date", "ubx.nav.pvt.valid.validdate",
FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}},
{&hf_ubx_nav_pvt_tacc,
{"Time accuracy estimate", "ubx.nav.pvt.tacc",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_nanoseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_nano,
{"UTC fraction of second", "ubx.nav.pvt.nano",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_nanoseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_fixtype,
{"GNSS fix type", "ubx.nav.pvt.fixtype",
FT_UINT8, BASE_DEC, VALS(UBX_GNSS_FIX_TYPE), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_flags,
{"Fix status flags", "ubx.nav.pvt.flags",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_headvehvalid,
{"heading of vehicle is valid", "ubx.nav.pvt.flags.headvehvalid",
FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL}},
{&hf_ubx_nav_pvt_psmstate,
{"PSM state", "ubx.nav.pvt.flags.psmstate",
FT_UINT8, BASE_DEC, NULL, 0x1c, NULL, HFILL}},
{&hf_ubx_nav_pvt_diffsoln,
{"differential corrections were applied", "ubx.nav.pvt.flags.diffsoln",
FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}},
{&hf_ubx_nav_pvt_gnssfixok,
{"valid fix", "ubx.nav.pvt.flags.gnssfixok",
FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}},
{&hf_ubx_nav_pvt_flags2,
{"Additional flags", "ubx.nav.pvt.flags2",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_confirmedtime,
{"UTC time of day could be confirmed", "ubx.nav.pvt.flags2.confirmedtime",
FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL}},
{&hf_ubx_nav_pvt_confirmeddate,
{"UTC date could be validated", "ubx.nav.pvt.flags2.confirmeddate",
FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL}},
{&hf_ubx_nav_pvt_confirmedavai,
{"information about UTC date and time of day validity confirmation is available", "ubx.nav.pvt.flags2.confirmedavai",
FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL}},
{&hf_ubx_nav_pvt_numsv,
{"Number of satellite vehicles used in Nav solution", "ubx.nav.pvt.numsv",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_lon,
{"Longitude", "ubx.nav.pvt.lon",
FT_INT32, BASE_CUSTOM, CF_FUNC(&fmt_lat_lon), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_lat,
{"Latitude", "ubx.nav.pvt.lat",
FT_INT32, BASE_CUSTOM, CF_FUNC(&fmt_lat_lon), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_height,
{"Height above ellipsoid", "ubx.nav.pvt.height",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_millimeters), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_hmsl,
{"Height above mean sea level", "ubx.nav.pvt.hmsl",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_millimeters), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_hacc,
{"Horizontal accuracy estimate", "ubx.nav.pvt.hacc",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_millimeters), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_vacc,
{"Vertical accuracy estimate", "ubx.nav.pvt.vacc",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_millimeters), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_veln,
{"NED north velocity", "ubx.nav.pvt.veln",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_mm_s), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_vele,
{"NED east velocity", "ubx.nav.pvt.vele",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_mm_s), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_veld,
{"NED down velocity", "ubx.nav.pvt.veld",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_mm_s), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_gspeed,
{"Ground speed (2-D)", "ubx.nav.pvt.gspeed",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_mm_s), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_headmot,
{"Heading of motion (2-D)", "ubx.nav.pvt.headmot",
FT_INT32, BASE_CUSTOM, CF_FUNC(&fmt_heading), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_sacc,
{"Speed accuracy estimate", "ubx.nav.pvt.sacc",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_mm_s), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_headacc,
{"Heading accuracy estimate", "ubx.nav.pvt.headacc",
FT_UINT32, BASE_CUSTOM, CF_FUNC(&fmt_heading_acc), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_pdop,
{"Position DOP", "ubx.nav.pvt.pdop",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_dop), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_lastcorrectionage,
{"Age of the most recently received differential correction", "ubx.nav.pvt.lastcorrectionage",
FT_UINT16, BASE_DEC, VALS(UBX_LAST_CORRECTION_AGE), 0x001e, NULL, HFILL}},
{&hf_ubx_nav_pvt_invalidllh,
{"Invalid lon, lat, height, and hMSL", "ubx.nav.pvt.invalidllh",
FT_BOOLEAN, 16, NULL, 0x0001, NULL, HFILL}},
{&hf_ubx_nav_pvt_reserved1,
{"Reserved 1", "ubx.nav.pvt.reserved1",
FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_headveh,
{"Heading of vehicle (2-D)", "ubx.nav.pvt.headveh",
FT_INT32, BASE_CUSTOM, CF_FUNC(&fmt_heading), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_magdec,
{"Magnetic declination", "ubx.nav.pvt.magdec",
FT_INT16, BASE_CUSTOM, CF_FUNC(&fmt_decl), 0x0, NULL, HFILL}},
{&hf_ubx_nav_pvt_magacc,
{"Magnetic declination accuracy", "ubx.nav.pvt.magacc",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_decl_acc), 0x0, NULL, HFILL}},
// NAV-SAT
{&hf_ubx_nav_sat,
{"UBX-NAV-SAT", "ubx.nav.sat",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_itow,
{"iTOW", "ubx.nav.sat.itow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_version,
{"Version", "ubx.nav.sat.version",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_num_svs,
{"Number of satellites", "ubx.nav.sat.num_svs",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_reserved1,
{"Reserved", "ubx.nav.sat.reserved1",
FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_gnss_id,
{"GNSS ID", "ubx.nav.sat.gnss_id",
FT_UINT8, BASE_DEC, VALS(UBX_GNSS_ID), 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_sv_id,
{"SV ID", "ubx.nav.sat.sv_id",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_cn0,
{"C/N0", "ubx.nav.sat.cn0",
FT_UINT8, BASE_DEC|BASE_UNIT_STRING, UNS(&units_dbhz), 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_elev,
{"Elevation", "ubx.nav.sat.elev",
FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_azim,
{"Azimuth", "ubx.nav.sat.azim",
FT_INT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_pr_res,
{"Pseudorange residual", "ubx.nav.sat.pr_res",
FT_INT16, BASE_CUSTOM, CF_FUNC(&fmt_pr_res), 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_flags,
{"Bitmask", "ubx.nav.sat.flags",
FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sat_quality_ind,
{"Signal quality indicator", "ubx.nav.sat.flags.quality_ind",
FT_UINT32, BASE_HEX, VALS(UBX_SIGNAL_QUALITY_INDICATOR), 0x00000007, NULL, HFILL}},
{&hf_ubx_nav_sat_sv_used,
{"Signal used for navigation", "ubx.nav.sat.flags.sv_used",
FT_UINT32, BASE_HEX, NULL, 0x00000008, NULL, HFILL}},
{&hf_ubx_nav_sat_health,
{"Signal health", "ubx.nav.sat.flags.health",
FT_UINT32, BASE_HEX, VALS(UBX_SIGNAL_HEALTH), 0x00000030, NULL, HFILL}},
{&hf_ubx_nav_sat_diff_corr,
{"Differential correction available", "ubx.nav.sat.flags.diff_corr",
FT_UINT32, BASE_HEX, NULL, 0x00000040, NULL, HFILL}},
{&hf_ubx_nav_sat_smoothed,
{"Carrier smoothed pseudorange used", "ubx.nav.sat.flags.smoothed",
FT_UINT32, BASE_HEX, NULL, 0x00000080, NULL, HFILL}},
{&hf_ubx_nav_sat_orbit_src,
{"Orbit source", "ubx.nav.sat.flags.orbit_src",
FT_UINT32, BASE_HEX, VALS(UBX_ORBIT_SOURCE), 0x00000700, NULL, HFILL}},
{&hf_ubx_nav_sat_eph_avail,
{"Ephemeris available", "ubx.nav.sat.flags.eph_avail",
FT_UINT32, BASE_HEX, NULL, 0x00000800, NULL, HFILL}},
{&hf_ubx_nav_sat_alm_avail,
{"Almanac available", "ubx.nav.sat.flags.alm_avail",
FT_UINT32, BASE_HEX, NULL, 0x00001000, NULL, HFILL}},
{&hf_ubx_nav_sat_ano_avail,
{"AssistNow Offline data available", "ubx.nav.sat.flags.ano_avail",
FT_UINT32, BASE_HEX, NULL, 0x00002000, NULL, HFILL}},
{&hf_ubx_nav_sat_aop_avail,
{"AssistNow Autonomous data available", "ubx.nav.sat.flags.aop_avail",
FT_UINT32, BASE_HEX, NULL, 0x00004000, NULL, HFILL}},
{&hf_ubx_nav_sat_sbas_corr_used,
{"SBAS corrections used", "ubx.nav.sat.flags.sbas_corr_used",
FT_UINT32, BASE_HEX, NULL, 0x00010000, NULL, HFILL}},
{&hf_ubx_nav_sat_rtcm_corr_used,
{"RTCM corrections used", "ubx.nav.sat.flags.rtcm_corr_used",
FT_UINT32, BASE_HEX, NULL, 0x00020000, NULL, HFILL}},
{&hf_ubx_nav_sat_slas_corr_used,
{"QZSS SLAS corrections used", "ubx.nav.sat.flags.slas_corr_used",
FT_UINT32, BASE_HEX, NULL, 0x00040000, NULL, HFILL}},
{&hf_ubx_nav_sat_spartn_corr_used,
{"SPARTN corrections used", "ubx.nav.sat.flags.spartn_corr_used",
FT_UINT32, BASE_HEX, NULL, 0x00080000, NULL, HFILL}},
{&hf_ubx_nav_sat_pr_corr_used,
{"Pseudorange corrections used", "ubx.nav.sat.flags.pr_corr_used",
FT_UINT32, BASE_HEX, NULL, 0x00100000, NULL, HFILL}},
{&hf_ubx_nav_sat_cr_corr_used,
{"Carrier range corrections used", "ubx.nav.sat.flags.cr_corr_used",
FT_UINT32, BASE_HEX, NULL, 0x00200000, NULL, HFILL}},
{&hf_ubx_nav_sat_do_corr_used,
{"Range rate (Doppler) corrections used", "ubx.nav.sat.flags.do_corr_used",
FT_UINT32, BASE_HEX, NULL, 0x00400000, NULL, HFILL}},
// NAV-SBAS
{&hf_ubx_nav_sbas,
{"UBX-NAV-SBAS", "ubx.nav.sbas",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_itow,
{"iTOW", "ubx.nav.sbas.itow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_geo,
{"GEO PRN", "ubx.nav.sbas.geo",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_mode,
{"SBAS Mode", "ubx.nav.sbas.mode",
FT_UINT8, BASE_DEC, VALS(UBX_SBAS_MODE), 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_sys,
{"SBAS System", "ubx.nav.sbas.sys",
FT_INT8, BASE_DEC, VALS(UBX_SBAS_SYSTEM), 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_service,
{"SBAS Services available", "ubx.nav.sbas.service",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_service_ranging,
{"GEO may be used as ranging source", "ubx.nav.sbas.service.ranging",
FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}},
{&hf_ubx_nav_sbas_service_corrections,
{"GEO is providing correction data", "ubx.nav.sbas.service.corrections",
FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}},
{&hf_ubx_nav_sbas_service_integrity,
{"GEO is providing integrity", "ubx.nav.sbas.service.integrity",
FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL}},
{&hf_ubx_nav_sbas_service_testmode,
{"GEO is in test mode", "ubx.nav.sbas.service.testmode",
FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL}},
{&hf_ubx_nav_sbas_service_bad,
{"Problem with signal or broadcast data indicated", "ubx.nav.sbas.service.bad",
FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL}},
{&hf_ubx_nav_sbas_cnt,
{"Number of SV data following", "ubx.nav.sbas.cnt",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_reserved1,
{"Reserved", "ubx.nav.sbas.reserved1",
FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_sv_id,
{"SV ID", "ubx.nav.sbas.sv_id",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_flags,
{"Flags", "ubx.nav.sbas.flags",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_udre,
{"Monitoring status", "ubx.nav.sbas.udre",
FT_UINT8, BASE_DEC, VALS(UDREI_EVALUATION), 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_sv_sys,
{"System", "ubx.nav.sbas.sv_sys",
FT_INT8, BASE_DEC, VALS(UBX_SBAS_SYSTEM), 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_sv_service,
{"Service", "ubx.nav.sbas.sv_service",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_reserved2,
{"Reserved", "ubx.nav.sbas.reserved2",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_prc,
{"Pseudo Range correction", "ubx.nav.sbas.prc",
FT_INT16, BASE_DEC|BASE_UNIT_STRING, UNS(&units_centimeter_centimeters), 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_reserved3,
{"Reserved", "ubx.nav.sbas.reserved3",
FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_sbas_ic,
{"Ionosphere correction", "ubx.nav.sbas.ic",
FT_INT16, BASE_DEC|BASE_UNIT_STRING, UNS(&units_centimeter_centimeters), 0x0, NULL, HFILL}},
// NAV-TIMEGPS
{&hf_ubx_nav_timegps,
{"UBX-NAV-TIMEGPS", "ubx.nav.timegps",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timegps_itow,
{"iTOW", "ubx.nav.timegps.itow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_timegps_ftow,
{"fTOW", "ubx.nav.timegps.ftow",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_nanoseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_timegps_week,
{"GPS week", "ubx.nav.timegps.week",
FT_INT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timegps_leaps,
{"GPS leap seconds", "ubx.nav.timegps.leaps",
FT_INT8, BASE_DEC|BASE_UNIT_STRING, UNS(&units_seconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_timegps_valid,
{"Validity flags", "ubx.nav.timegps.valid",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timegps_towvalid,
{"Valid GPS time of week", "ubx.nav.timegps.valid.towvalid",
FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}},
{&hf_ubx_nav_timegps_weekvalid,
{"Valid GPS week number", "ubx.nav.timegps.valid.weekvalid",
FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}},
{&hf_ubx_nav_timegps_leapsvalid,
{"Valid GPS leap seconds", "ubx.nav.timegps.valid.leapsvalid",
FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL}},
{&hf_ubx_nav_timegps_tacc,
{"Time accuracy estimate", "ubx.nav.timegps.tacc",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_seconds), 0x0, NULL, HFILL}},
// NAV-TIMEUTC
{&hf_ubx_nav_timeutc,
{"UBX-NAV-TIMEUTC", "ubx.nav.timeutc",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_itow,
{"iTOW", "ubx.nav.timeutc.itow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_tacc,
{"Time accuracy estimate (UTC)", "ubx.nav.timeutc.tacc",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_nanoseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_nano,
{"Fraction of second (UTC)", "ubx.nav.timeutc.nano",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_nanoseconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_year,
{"Year", "ubx.nav.timeutc.year",
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_month,
{"Month", "ubx.nav.timeutc.month",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_day,
{"Day", "ubx.nav.timeutc.day",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_hour,
{"Hour of day", "ubx.nav.timeutc.hour",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_min,
{"Minute of hour", "ubx.nav.timeutc.min",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_sec,
{"Seconds of minute", "ubx.nav.timeutc.sec",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_valid,
{"Validity flags", "ubx.nav.timeutc.valid",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_timeutc_validtow,
{"Valid Time of Week", "ubx.nav.timeutc.valid.validtow",
FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}},
{&hf_ubx_nav_timeutc_validwkn,
{"Valid Week Number", "ubx.nav.timeutc.valid.validwkn",
FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}},
{&hf_ubx_nav_timeutc_validutc,
{"Valid UTC Time", "ubx.nav.timeutc.valid.validutc",
FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL}},
{&hf_ubx_nav_timeutc_utcstandard,
{"utcStandard", "ubx.nav.timeutc.valid.utcstandard",
FT_UINT8, BASE_DEC, VALS(UBX_UTC_STD_ID), 0xf0, NULL, HFILL}},
// NAV-VELECEF
{&hf_ubx_nav_velecef,
{"UBX-NAV-VELECEF", "ubx.nav.velecef",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_nav_velecef_itow,
{"iTOW", "ubx.nav.velecef.itow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_seconds), 0x0, NULL, HFILL}},
{&hf_ubx_nav_velecef_ecefvx,
{"ECEF X velocity", "ubx.nav.velecef.ecefvx",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_cm_s), 0x0, NULL, HFILL}},
{&hf_ubx_nav_velecef_ecefvy,
{"ECEF Y velocity", "ubx.nav.velecef.ecefvy",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_cm_s), 0x0, NULL, HFILL}},
{&hf_ubx_nav_velecef_ecefvz,
{"ECEF Z velocity", "ubx.nav.velecef.ecefvz",
FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_cm_s), 0x0, NULL, HFILL}},
{&hf_ubx_nav_velecef_sacc,
{"Speed accuracy estimate", "ubx.nav.velecef.sacc",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_cm_s), 0x0, NULL, HFILL}},
// RXM-MEASX
{&hf_ubx_rxm_measx,
{"UBX-RXM-MEASX", "ubx.rxm.measx",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_version,
{"Message version", "ubx.rxm.measx.version",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_reserved1,
{"Reserved", "ubx.rxm.measx.reserved1",
FT_UINT24, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_gpstow,
{"GPS measurement reference time", "ubx.rxm.measx.gpstow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_glotow,
{"GLONASS measurement reference time", "ubx.rxm.measx.glotow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_bdstow,
{"BeiDou measurement reference time", "ubx.rxm.measx.bdstow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_reserved2,
{"Reserved", "ubx.rxm.measx.reserved2",
FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_qzsstow,
{"QZSS measurement reference time", "ubx.rxm.measx.qzsstow",
FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_gpstowacc,
{"GPS measurement reference time accuracy", "ubx.rxm.measx.gpstowacc",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_towacc), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_glotowacc,
{"GLONASS measurement reference time accuracy", "ubx.rxm.measx.glotowacc",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_towacc), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_bdstowacc,
{"BeiDou measurement reference time accuracy", "ubx.rxm.measx.bdstowacc",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_towacc), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_reserved3,
{"Reserved", "ubx.rxm.measx.reserved3",
FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_qzsstowacc,
{"QZSS measurement reference time accuracy", "ubx.rxm.measx.qzsstowacc",
FT_UINT16, BASE_CUSTOM, CF_FUNC(&fmt_towacc), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_numsv,
{"Number of satellites in repeated block", "ubx.rxm.measx.numsv",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_flags_towset,
{"TOW set", "ubx.rxm.measx.flags.towset",
FT_BOOLEAN, 8, NULL, 0x03, NULL, HFILL}},
{&hf_ubx_rxm_measx_reserved4,
{"Reserved", "ubx.rxm.measx.reserved4",
FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_gnssid,
{"GNSS ID", "ubx.rxm.measx.gnssid",
FT_UINT8, BASE_DEC, VALS(UBX_GNSS_ID), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_svid,
{"Satellite ID", "ubx.rxm.measx.svid",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_cn0,
{"C/N0", "ubx.rxm.measx.cn0",
FT_UINT8, BASE_DEC|BASE_UNIT_STRING, UNS(&units_dbhz), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_mpathindic,
{"multipath index", "ubx.rxm.measx.mpathindic",
FT_UINT8, BASE_DEC, VALS(UBX_RXM_MEASX_MULTIPATH_INDEX), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_dopplerms,
{"Doppler measurement", "ubx.rxm.measx.dopplerms",
FT_INT32, BASE_CUSTOM, CF_FUNC(&fmt_dopplerms), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_dopplerhz,
{"Doppler measurement", "ubx.rxm.measx.dopplerhz",
FT_INT32, BASE_CUSTOM, CF_FUNC(&fmt_dopplerhz), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_wholechips,
{"whole value of the code phase measurement", "ubx.rxm.measx.wholechips",
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_fracchips,
{"fractional value of the code phase measurement", "ubx.rxm.measx.fracchips",
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_codephase,
{"Code phase", "ubx.rxm.measx.codephase",
FT_UINT32, BASE_CUSTOM, CF_FUNC(&fmt_codephase), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_intcodephase,
{"integer (part of) the code phase", "ubx.rxm.measx.intcodephase",
FT_UINT8, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_pseurangermserr,
{"pseudorange RMS error index", "ubx.rxm.measx.pseurangermserr",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_measx_reserved5,
{"Reserved", "ubx.rxm.measx.reserved5",
FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL}},
// RXM-RAWX
{&hf_ubx_rxm_rawx,
{"UBX-RXM-RAWX", "ubx.rxm.rawx",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_rcvtow,
{"Measurement time of week in receiver local time", "ubx.rxm.rawx.rcvtow",
FT_DOUBLE, BASE_DEC|BASE_UNIT_STRING, UNS(&units_seconds), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_week,
{"GPS week number in receiver local time", "ubx.rxm.rawx.week",
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_leaps,
{"GPS leap seconds", "ubx.rxm.rawx.leaps",
FT_INT8, BASE_DEC|BASE_UNIT_STRING, UNS(&units_seconds), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_nummeas,
{"Number of measurements to follow", "ubx.rxm.rawx.nummeas",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_recstat,
{"Receiver tracking status bitfield", "ubx.rxm.rawx.recstat",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_recstat_leapsec,
{"Leap seconds have been determined", "ubx.rxm.rawx.recstat.leapsec",
FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}},
{&hf_ubx_rxm_rawx_recstat_clkreset,
{"Clock reset applied", "ubx.rxm.rawx.recstat.clkreset",
FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}},
{&hf_ubx_rxm_rawx_version,
{"Message version", "ubx.rxm.rawx.version",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_reserved1,
{"Reserved", "ubx.rxm.rawx.reserved1",
FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_prmes,
{"Pseudorange measurement", "ubx.rxm.rawx.prmes",
FT_DOUBLE, BASE_DEC|BASE_UNIT_STRING, UNS(&units_meter_meters), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_cpmes,
{"Carrier phase measurement", "ubx.rxm.rawx.cpmes",
FT_DOUBLE, BASE_DEC|BASE_UNIT_STRING, UNS(&units_cycle_cycles), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_domes,
{"Doppler measurement", "ubx.rxm.rawx.domes",
FT_FLOAT, BASE_DEC|BASE_UNIT_STRING, UNS(&units_hz), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_gnssid,
{"GNSS ID", "ubx.rxm.rawx.gnssid",
FT_UINT8, BASE_DEC, VALS(UBX_GNSS_ID), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_svid,
{"Satellite ID", "ubx.rxm.rawx.svid",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_sigid,
{"Signal ID", "ubx.rxm.rawx.sigid",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_freqid,
{"Frequency ID", "ubx.rxm.rawx.freqid",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_locktime,
{"Carrier phase locktime counter", "ubx.rxm.rawx.locktime",
FT_UINT16, BASE_DEC|BASE_UNIT_STRING, UNS(&units_milliseconds), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_cn0,
{"C/N0", "ubx.rxm.rawx.cn0",
FT_UINT8, BASE_DEC|BASE_UNIT_STRING, UNS(&units_dbhz), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_rawx_prstdev,
{"Estimated pseudorange measurement standard deviation", "ubx.rxm.rawx.prstdev",
FT_UINT8, BASE_CUSTOM, CF_FUNC(&fmt_prstdev), 0x0f, NULL, HFILL}},
{&hf_ubx_rxm_rawx_cpstdev,
{"Estimated carrier phase measurement standard deviation", "ubx.rxm.rawx.cpstdev",
FT_UINT8, BASE_CUSTOM, CF_FUNC(&fmt_cpstdev), 0x0f, NULL, HFILL}},
{&hf_ubx_rxm_rawx_dostdev,
{"Estimated Doppler measurement standard deviation", "ubx.rxm.rawx.dostdev",
FT_UINT8, BASE_CUSTOM, CF_FUNC(&fmt_dostdev), 0x0f, NULL, HFILL}},
{&hf_ubx_rxm_rawx_trkstat,
{"Tracking status bitfield", "ubx.rxm.rawx.trkstat",
FT_UINT8, BASE_HEX, NULL, 0x0f, NULL, HFILL}},
{&hf_ubx_rxm_rawx_trkstat_prvalid,
{"Pseudorange valid", "ubx.rxm.rawx.trkstat.prvalid",
FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL}},
{&hf_ubx_rxm_rawx_trkstat_cpvalid,
{"Carrier phase valid", "ubx.rxm.rawx.trkstat.cpvalid",
FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL}},
{&hf_ubx_rxm_rawx_trkstat_halfcyc,
{"Half cycle valid", "ubx.rxm.rawx.trkstat.halfcyc",
FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL}},
{&hf_ubx_rxm_rawx_trkstat_subhalfcyc,
{"Half cycle subtracted from phase", "ubx.rxm.rawx.trkstat.subhalfcyc",
FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL}},
{&hf_ubx_rxm_rawx_reserved2,
{"Reserved", "ubx.rxm.rawx.reserved2",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
// RXM-SFRBX
{&hf_ubx_rxm_sfrbx,
{"UBX-RXM-SFRBX", "ubx.rxm.sfrbx",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_gnssid,
{"GNSS ID", "ubx.rxm.sfrbx.gnssid",
FT_UINT8, BASE_DEC, VALS(UBX_GNSS_ID), 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_svid,
{"Satellite ID", "ubx.rxm.sfrbx.svid",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_sigid,
{"Signal identifier", "ubx.rxm.sfrbx.sigid",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_freqid,
{"Frequency identifier", "ubx.rxm.sfrbx.freqid",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_numwords,
{"Number of data words", "ubx.rxm.sfrbx.numwords",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_chn,
{"Tracking channel number", "ubx.rxm.sfrbx.chn",
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_version,
{"Message version", "ubx.rxm.sfrbx.version",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_dwrd,
{"Data words (little endian)", "ubx.rxm.sfrbx.dwrd",
FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_reserved1,
{"Reserved 1", "ubx.rxm.sfrbx.reserved1",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_reserved2,
{"Reserved 2", "ubx.rxm.sfrbx.reserved2",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
{&hf_ubx_rxm_sfrbx_reserved3,
{"Reserved 3", "ubx.rxm.sfrbx.reserved3",
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL}},
};
expert_module_t *expert_ubx;
static ei_register_info ei[] = {
{&ei_ubx_chksum, {"ubx.chksum", PI_CHECKSUM, PI_WARN, "Chksum", EXPFILL}},
};
static int *ett_part[] = {
&ett_ubx,
&ett_ubx_ack_ack,
&ett_ubx_ack_nak,
&ett_ubx_cfg_gnss,
&ett_ubx_cfg_sbas,
&ett_ubx_cfg_sbas_mode,
&ett_ubx_cfg_sbas_scanmode,
&ett_ubx_nav_dop,
&ett_ubx_nav_eoe,
&ett_ubx_nav_odo,
&ett_ubx_nav_posecef,
&ett_ubx_nav_pvt,
&ett_ubx_nav_pvt_datetime,
&ett_ubx_nav_pvt_valid,
&ett_ubx_nav_pvt_flags,
&ett_ubx_nav_pvt_flags2,
&ett_ubx_nav_sat,
&ett_ubx_nav_sat_flags,
&ett_ubx_nav_sbas,
&ett_ubx_nav_sbas_service,
&ett_ubx_nav_timegps,
&ett_ubx_nav_timegps_tow,
&ett_ubx_nav_timegps_valid,
&ett_ubx_nav_timeutc,
&ett_ubx_nav_timeutc_valid,
&ett_ubx_nav_velecef,
&ett_ubx_rxm_measx,
&ett_ubx_rxm_rawx,
&ett_ubx_rxm_rawx_recstat,
&ett_ubx_rxm_rawx_trkstat,
&ett_ubx_rxm_sfrbx,
};
static int *ett[array_length(ett_part)
+ array_length(ett_ubx_nav_sat_sv_info)
+ array_length(ett_ubx_cfg_gnss_block)
+ array_length(ett_ubx_nav_sbas_sv_info)
+ array_length(ett_ubx_rxm_rawx_meas)
+ array_length(ett_ubx_rxm_measx_meas)];
// fill ett with elements from ett_part,
// pointers to ett_ubx_nav_sat_sv_info elements,
// pointers to ett_ubx_cfg_gnss_block elements,
// pointers to ett_ubx_nav_sbas_sv_info elements,
// pointers to ett_ubx_rxm_rawx_meas elements, and
// pointers to ett_ubx_rxm_measx_meas elements
uint16_t i;
for (i = 0; i < array_length(ett_part); i++) {
ett[i] = ett_part[i];
}
for (i = 0; i < array_length(ett_ubx_nav_sat_sv_info); i++) {
ett[i + array_length(ett_part)] = &ett_ubx_nav_sat_sv_info[i];
}
for (i = 0; i < array_length(ett_ubx_cfg_gnss_block); i++) {
ett[i + array_length(ett_part) + array_length(ett_ubx_nav_sat_sv_info)]
= &ett_ubx_cfg_gnss_block[i];
}
for (i = 0; i < array_length(ett_ubx_nav_sbas_sv_info); i++) {
ett[i + array_length(ett_part) + array_length(ett_ubx_nav_sat_sv_info)
+ array_length(ett_ubx_cfg_gnss_block)]
= &ett_ubx_nav_sbas_sv_info[i];
}
for (i = 0; i < array_length(ett_ubx_rxm_rawx_meas); i++) {
ett[i + array_length(ett_part) + array_length(ett_ubx_nav_sat_sv_info)
+ array_length(ett_ubx_cfg_gnss_block)
+ array_length(ett_ubx_nav_sbas_sv_info)]
= &ett_ubx_rxm_rawx_meas[i];
}
for (i = 0; i < array_length(ett_ubx_rxm_measx_meas); i++) {
ett[i + array_length(ett_part) + array_length(ett_ubx_nav_sat_sv_info)
+ array_length(ett_ubx_cfg_gnss_block)
+ array_length(ett_ubx_nav_sbas_sv_info)
+ array_length(ett_ubx_rxm_rawx_meas)]
= &ett_ubx_rxm_measx_meas[i];
}
proto_ubx = proto_register_protocol("UBX Protocol", "UBX", "ubx");
ubx_handle = register_dissector("ubx", dissect_ubx, proto_ubx);
proto_register_field_array(proto_ubx, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_ubx = expert_register_protocol(proto_ubx);
expert_register_field_array(expert_ubx, ei, array_length(ei));
ubx_class_id_dissector_table = register_dissector_table("ubx.msg_class_id",
"UBX Message Class & ID", proto_ubx, FT_UINT16, BASE_HEX);
ubx_gnssid_dissector_table = register_dissector_table("ubx.rxm.sfrbx.gnssid",
"UBX-RXM-SFRBX GNSS Type ID", proto_ubx,
FT_UINT8, BASE_DEC);
}
void proto_reg_handoff_ubx(void) {
UBX_REGISTER_DISSECTOR(dissect_ubx_ack_ack, UBX_ACK_ACK);
UBX_REGISTER_DISSECTOR(dissect_ubx_ack_nak, UBX_ACK_NAK);
UBX_REGISTER_DISSECTOR(dissect_ubx_cfg_gnss, UBX_CFG_GNSS);
UBX_REGISTER_DISSECTOR(dissect_ubx_cfg_sbas, UBX_CFG_SBAS);
UBX_REGISTER_DISSECTOR(dissect_ubx_nav_dop, UBX_NAV_DOP);
UBX_REGISTER_DISSECTOR(dissect_ubx_nav_eoe, UBX_NAV_EOE);
UBX_REGISTER_DISSECTOR(dissect_ubx_nav_odo, UBX_NAV_ODO);
UBX_REGISTER_DISSECTOR(dissect_ubx_nav_posecef, UBX_NAV_POSECEF);
UBX_REGISTER_DISSECTOR(dissect_ubx_nav_pvt, UBX_NAV_PVT);
UBX_REGISTER_DISSECTOR(dissect_ubx_nav_sat, UBX_NAV_SAT);
UBX_REGISTER_DISSECTOR(dissect_ubx_nav_sbas, UBX_NAV_SBAS);
UBX_REGISTER_DISSECTOR(dissect_ubx_nav_timegps, UBX_NAV_TIMEGPS);
UBX_REGISTER_DISSECTOR(dissect_ubx_nav_timeutc, UBX_NAV_TIMEUTC);
UBX_REGISTER_DISSECTOR(dissect_ubx_nav_velecef, UBX_NAV_VELECEF);
UBX_REGISTER_DISSECTOR(dissect_ubx_rxm_measx, UBX_RXM_MEASX);
UBX_REGISTER_DISSECTOR(dissect_ubx_rxm_rawx, UBX_RXM_RAWX);
UBX_REGISTER_DISSECTOR(dissect_ubx_rxm_sfrbx, UBX_RXM_SFRBX);
}
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