sbf_structs.hpp

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// *****************************************************************************
//
// © Copyright 2020, Septentrio NV/SA.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//    1. Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//    2. Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
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//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// POSSIBILITY OF SUCH DAMAGE.
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// *****************************************************************************
 
#pragma once
 
#include <cstdint>
 
static const uint8_t NR_OF_LOGICALCHANNELS = 80;
static const uint8_t MAX_NB_INMARSATCHANNELS = 1;
static const uint8_t MAX_NR_OF_SIGNALS_PER_SATELLITE = 7;
static const uint8_t NR_OF_ANTENNAS = 3;
static const uint8_t MAXSB_NBRANTENNA = 4;
static const uint8_t MAXSB_CHANNELSATINFO =
    (NR_OF_LOGICALCHANNELS + MAX_NB_INMARSATCHANNELS);
static const uint16_t MAXSB_CHANNELSTATEINFO =
    (MAXSB_CHANNELSATINFO * MAXSB_NBRANTENNA);
static const uint8_t MAXSB_MEASEPOCH_T1 =
    (NR_OF_LOGICALCHANNELS + MAX_NB_INMARSATCHANNELS);
static const uint16_t MAXSB_MEASEPOCH_T2 =
    ((MAXSB_MEASEPOCH_T1) *
     (((MAX_NR_OF_SIGNALS_PER_SATELLITE) * (NR_OF_ANTENNAS)) - 1));
static const uint8_t MAXSB_NBVECTORINFO = 30;
 
static const uint8_t SBF_SYNC_BYTE_1 = 0x24;
static const uint8_t SBF_SYNC_BYTE_2 = 0x40;
 
// C++
#include <algorithm>
// Boost
#include <boost/spirit/include/qi.hpp>
#include <septentrio_gnss_driver/abstraction/typedefs.hpp>
#include <septentrio_gnss_driver/parsers/parsing_utilities.hpp>
 
struct BlockHeader
{
    uint8_t sync_1;   
    uint8_t sync_2;   
    uint16_t crc;     
    uint16_t id;      
    uint8_t revision; 
    uint16_t length;  
    uint32_t tow;     
    uint16_t wnc;     
};
 
struct ChannelStateInfo
{
    uint8_t antenna;
    uint16_t tracking_status;
    uint16_t pvt_status;
    uint16_t pvt_info;
};
 
struct ChannelSatInfo
{
    uint8_t sv_id;
    uint8_t freq_nr;
    uint16_t az_rise_set;
    uint16_t health_status;
    int8_t elev;
    uint8_t n2;
    uint8_t rx_channel;
 
    std::vector<ChannelStateInfo> stateInfo;
};
 
struct ChannelStatus
{
    BlockHeader block_header;
 
    uint8_t n;
    uint8_t sb1_length;
    uint8_t sb2_length;
 
    std::vector<ChannelSatInfo> satInfo;
};
 
struct DOP
{
    BlockHeader block_header;
 
    uint8_t nr_sv;
    double pdop;
    double tdop;
    double hdop;
    double vdop;
    float hpl;
    float vpl;
};
 
struct ReceiverSetup
{
    BlockHeader block_header;
 
    std::string marker_name;
    std::string marker_number;
    std::string observer;
    std::string agency;
    std::string rx_serial_number;
    std::string rx_name;
    std::string rx_version;
    std::string ant_serial_nbr;
    std::string ant_type;
    float delta_h; /* [m] */
    float delta_e; /* [m] */
    float delta_n; /* [m] */
    std::string marker_type;
    std::string gnss_fw_version;
    std::string product_name;
    double latitude;
    double longitude;
    float height;
    std::string station_code;
    uint8_t monument_idx;
    uint8_t receiver_idx;
    std::string country_code;
};
 
struct QualityInd
{
    BlockHeader block_header;
 
    uint8_t n = 0;
 
    std::vector<uint16_t> indicators;
};
 
struct AgcState
{
    uint8_t frontend_id;
    int8_t gain;
    uint8_t sample_var;
    uint8_t blanking_stat;
};
 
struct ReceiverStatus
{
    BlockHeader block_header;
 
    uint8_t cpu_load;
    uint8_t ext_error;
    uint32_t up_time;
    uint32_t rx_status;
    uint32_t rx_error;
    uint8_t n;
    uint8_t sb_length;
    uint8_t cmd_count;
    uint8_t temperature;
 
    std::vector<AgcState> agc_state;
};
 
static const std::array<uint16_t, 256> CRC_LOOK_UP = {
    0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108, 0x9129,
    0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x0210, 0x3273, 0x2252,
    0x52b5, 0x4294, 0x72f7, 0x62d6, 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c,
    0xf3ff, 0xe3de, 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
    0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, 0x3653, 0x2672,
    0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738,
    0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861,
    0x2802, 0x3823, 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
    0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc,
    0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5,
    0x2c22, 0x3c03, 0x0c60, 0x1c41, 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b,
    0x8d68, 0x9d49, 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
    0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, 0x9188, 0x81a9,
    0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0x00a1, 0x30c2, 0x20e3,
    0x5004, 0x4025, 0x7046, 0x6067, 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c,
    0xe37f, 0xf35e, 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
    0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, 0x34e2, 0x24c3,
    0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db, 0xb7fa, 0x8799, 0x97b8,
    0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676,
    0x4615, 0x5634, 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
    0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, 0xcb7d, 0xdb5c,
    0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, 0x4a75, 0x5a54, 0x6a37, 0x7a16,
    0x0af1, 0x1ad0, 0x2ab3, 0x3a92, 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b,
    0x9de8, 0x8dc9, 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
    0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36,
    0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0};
 
namespace qi = boost::spirit::qi;
 
template <typename T>
bool validValue(T s)
{
    static_assert(std::is_same<uint16_t, T>::value ||
                  std::is_same<uint32_t, T>::value ||
                  std::is_same<float, T>::value || std::is_same<double, T>::value);
    if (std::is_same<uint16_t, T>::value)
    {
        return (s != static_cast<uint16_t>(65535));
    } else if (std::is_same<uint32_t, T>::value)
    {
        return (s != 4294967295u);
    } else if (std::is_same<float, T>::value)
    {
        return (s != -2e10f);
    } else if (std::is_same<double, T>::value)
    {
        return (s != -2e10);
    }
}
 
template <typename T>
void setDoNotUse(T& s)
{
    static_assert(std::is_same<float, T>::value || std::is_same<double, T>::value);
    if (std::is_same<float, T>::value)
    {
        s = -2e10f;
    } else if (std::is_same<double, T>::value)
    {
        s = -2e10;
    }
}
 
template <typename It, typename Val>
bool qiLittleEndianParser(It& it, Val& val)
{
    static_assert(
        std::is_same<int8_t, Val>::value || std::is_same<uint8_t, Val>::value ||
        std::is_same<int16_t, Val>::value || std::is_same<uint16_t, Val>::value ||
        std::is_same<int32_t, Val>::value || std::is_same<uint32_t, Val>::value ||
        std::is_same<int64_t, Val>::value || std::is_same<uint64_t, Val>::value ||
        std::is_same<float, Val>::value || std::is_same<double, Val>::value);
 
    if (std::is_same<int8_t, Val>::value)
    {
        return qi::parse(it, it + 1, qi::char_, val);
    } else if (std::is_same<uint8_t, Val>::value)
    {
        return qi::parse(it, it + 1, qi::byte_, val);
    } else if ((std::is_same<int16_t, Val>::value) ||
               (std::is_same<uint16_t, Val>::value))
    {
        return qi::parse(it, it + 2, qi::little_word, val);
    } else if ((std::is_same<int32_t, Val>::value) ||
               (std::is_same<uint32_t, Val>::value))
    {
        return qi::parse(it, it + 4, qi::little_dword, val);
    } else if ((std::is_same<int64_t, Val>::value) ||
               (std::is_same<uint64_t, Val>::value))
    {
        return qi::parse(it, it + 8, qi::little_qword, val);
    } else if (std::is_same<float, Val>::value)
    {
        return qi::parse(it, it + 4, qi::little_bin_float, val);
    } else if (std::is_same<double, Val>::value)
    {
        return qi::parse(it, it + 8, qi::little_bin_double, val);
    }
}
 
template <typename It>
bool qiCharsToStringParser(It& it, std::string& val, std::size_t num)
{
    bool success = false;
    val.clear();
    success = qi::parse(it, it + num, qi::repeat(num)[qi::char_], val);
    // remove string termination characters '\0'
    val.erase(std::remove(val.begin(), val.end(), '\0'), val.end());
    return success;
}
 
template <typename It, typename Hdr>
bool BlockHeaderParser(ROSaicNodeBase* node, It& it, Hdr& block_header)
{
    qiLittleEndianParser(it, block_header.sync_1);
    if (block_header.sync_1 != SBF_SYNC_BYTE_1)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong sync byte 1.");
        return false;
    }
    qiLittleEndianParser(it, block_header.sync_2);
    if (block_header.sync_2 != SBF_SYNC_BYTE_2)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong sync byte 2.");
        return false;
    }
    qiLittleEndianParser(it, block_header.crc);
    uint16_t ID;
    qiLittleEndianParser(it, ID);
    block_header.id = ID & 8191;      // lower 13 bits are id
    block_header.revision = ID >> 13; // upper 3 bits are revision
    qiLittleEndianParser(it, block_header.length);
    qiLittleEndianParser(it, block_header.tow);
    qiLittleEndianParser(it, block_header.wnc);
    return true;
}
 
template <typename It>
void ChannelStateInfoParser(It& it, ChannelStateInfo& msg, uint8_t sb2_length)
{
    qiLittleEndianParser(it, msg.antenna);
    ++it; // reserved
    qiLittleEndianParser(it, msg.tracking_status);
    qiLittleEndianParser(it, msg.pvt_status);
    qiLittleEndianParser(it, msg.pvt_info);
    std::advance(it, sb2_length - 8); // skip padding
};
 
template <typename It>
bool ChannelSatInfoParser(ROSaicNodeBase* node, It& it, ChannelSatInfo& msg,
                          uint8_t sb1_length, uint8_t sb2_length)
{
    qiLittleEndianParser(it, msg.sv_id);
    qiLittleEndianParser(it, msg.freq_nr);
    std::advance(it, 2); // reserved
    qiLittleEndianParser(it, msg.az_rise_set);
    qiLittleEndianParser(it, msg.health_status);
    qiLittleEndianParser(it, msg.elev);
    qiLittleEndianParser(it, msg.n2);
    if (msg.n2 > MAXSB_CHANNELSTATEINFO)
    {
        node->log(LogLevel::ERROR, "Parse error: Too many ChannelStateInfo " +
                                       std::to_string(msg.n2));
        return false;
    }
    qiLittleEndianParser(it, msg.rx_channel);
    ++it;                              // reserved
    std::advance(it, sb1_length - 12); // skip padding
    msg.stateInfo.resize(msg.n2);
    for (auto& stateInfo : msg.stateInfo)
    {
        ChannelStateInfoParser(it, stateInfo, sb2_length);
    }
    return true;
};
 
template <typename It>
bool ChannelStatusParser(ROSaicNodeBase* node, It it, It itEnd, ChannelStatus& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4013)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.n);
    if (msg.n > MAXSB_CHANNELSATINFO)
    {
        node->log(LogLevel::ERROR,
                  "Parse error: Too many ChannelSatInfo " + std::to_string(msg.n));
        return false;
    }
    qiLittleEndianParser(it, msg.sb1_length);
    qiLittleEndianParser(it, msg.sb2_length);
    std::advance(it, 3); // reserved
    msg.satInfo.resize(msg.n);
    for (auto& satInfo : msg.satInfo)
    {
        if (!ChannelSatInfoParser(node, it, satInfo, msg.sb1_length, msg.sb2_length))
            return false;
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool DOPParser(ROSaicNodeBase* node, It it, It itEnd, DOP& msg)
{
 
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4001)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.nr_sv);
    ++it; // reserved
    uint16_t temp;
    qiLittleEndianParser(it, temp);
    msg.pdop = temp / 100.0;
    qiLittleEndianParser(it, temp);
    msg.tdop = temp / 100.0;
    qiLittleEndianParser(it, temp);
    msg.hdop = temp / 100.0;
    qiLittleEndianParser(it, temp);
    msg.vdop = temp / 100.0;
    qiLittleEndianParser(it, msg.hpl);
    qiLittleEndianParser(it, msg.vpl);
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
void MeasEpochChannelType2Parser(It& it, MeasEpochChannelType2Msg& msg,
                                 uint8_t sb2_length)
{
    qiLittleEndianParser(it, msg.type);
    qiLittleEndianParser(it, msg.lock_time);
    qiLittleEndianParser(it, msg.cn0);
    qiLittleEndianParser(it, msg.offsets_msb);
    qiLittleEndianParser(it, msg.carrier_msb);
    qiLittleEndianParser(it, msg.obs_info);
    qiLittleEndianParser(it, msg.code_offset_lsb);
    qiLittleEndianParser(it, msg.carrier_lsb);
    qiLittleEndianParser(it, msg.doppler_offset_lsb);
    std::advance(it, sb2_length - 12); // skip padding
};
 
template <typename It>
bool MeasEpochChannelType1Parser(ROSaicNodeBase* node, It& it,
                                 MeasEpochChannelType1Msg& msg, uint8_t sb1_length,
                                 uint8_t sb2_length)
{
    qiLittleEndianParser(it, msg.rx_channel);
    qiLittleEndianParser(it, msg.type);
    qiLittleEndianParser(it, msg.sv_id);
    qiLittleEndianParser(it, msg.misc);
    qiLittleEndianParser(it, msg.code_lsb);
    qiLittleEndianParser(it, msg.doppler);
    qiLittleEndianParser(it, msg.carrier_lsb);
    qiLittleEndianParser(it, msg.carrier_msb);
    qiLittleEndianParser(it, msg.cn0);
    qiLittleEndianParser(it, msg.lock_time);
    qiLittleEndianParser(it, msg.obs_info);
    qiLittleEndianParser(it, msg.n2);
    std::advance(it, sb1_length - 20); // skip padding
    if (msg.n2 > MAXSB_MEASEPOCH_T2)
    {
        node->log(LogLevel::ERROR, "Parse error: Too many MeasEpochChannelType2 " +
                                       std::to_string(msg.n2));
        return false;
    }
    msg.type2.resize(msg.n2);
    for (auto& type2 : msg.type2)
    {
        MeasEpochChannelType2Parser(it, type2, sb2_length);
    }
    return true;
};
 
template <typename It>
bool MeasEpochParser(ROSaicNodeBase* node, It it, It itEnd, MeasEpochMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4027)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.n);
    if (msg.n > MAXSB_MEASEPOCH_T1)
    {
        node->log(LogLevel::ERROR, "Parse error: Too many MeasEpochChannelType1 " +
                                       std::to_string(msg.n));
        return false;
    }
    qiLittleEndianParser(it, msg.sb1_length);
    qiLittleEndianParser(it, msg.sb2_length);
    qiLittleEndianParser(it, msg.common_flags);
    if (msg.block_header.revision > 0)
        qiLittleEndianParser(it, msg.cum_clk_jumps);
    ++it; // reserved
    msg.type1.resize(msg.n);
    for (auto& type1 : msg.type1)
    {
        if (!MeasEpochChannelType1Parser(node, it, type1, msg.sb1_length,
                                         msg.sb2_length))
            return false;
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool ReceiverSetupParser(ROSaicNodeBase* node, It it, It itEnd, ReceiverSetup& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 5902)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    std::advance(it, 2); // reserved
    qiCharsToStringParser(it, msg.marker_name, 60);
    qiCharsToStringParser(it, msg.marker_number, 20);
    qiCharsToStringParser(it, msg.observer, 20);
    qiCharsToStringParser(it, msg.agency, 40);
    qiCharsToStringParser(it, msg.rx_serial_number, 20);
    qiCharsToStringParser(it, msg.rx_name, 20);
    qiCharsToStringParser(it, msg.rx_version, 20);
    qiCharsToStringParser(it, msg.ant_serial_nbr, 20);
    qiCharsToStringParser(it, msg.ant_type, 20);
    qiLittleEndianParser(it, msg.delta_h);
    qiLittleEndianParser(it, msg.delta_e);
    qiLittleEndianParser(it, msg.delta_n);
    if (msg.block_header.revision > 0)
        qiCharsToStringParser(it, msg.marker_type, 20);
    if (msg.block_header.revision > 1)
        qiCharsToStringParser(it, msg.gnss_fw_version, 40);
    if (msg.block_header.revision > 2)
        qiCharsToStringParser(it, msg.product_name, 40);
    if (msg.block_header.revision > 3)
    {
        qiLittleEndianParser(it, msg.latitude);
        qiLittleEndianParser(it, msg.longitude);
        qiLittleEndianParser(it, msg.height);
        qiCharsToStringParser(it, msg.station_code, 10);
        qiLittleEndianParser(it, msg.monument_idx);
        qiLittleEndianParser(it, msg.receiver_idx);
        qiCharsToStringParser(it, msg.country_code, 3);
    } else
    {
        setDoNotUse(msg.latitude);
        setDoNotUse(msg.longitude);
        setDoNotUse(msg.height);
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool ReceiverTimesParser(ROSaicNodeBase* node, It it, It itEnd, ReceiverTimeMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 5914)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.utc_year);
    qiLittleEndianParser(it, msg.utc_month);
    qiLittleEndianParser(it, msg.utc_day);
    qiLittleEndianParser(it, msg.utc_hour);
    qiLittleEndianParser(it, msg.utc_min);
    qiLittleEndianParser(it, msg.utc_second);
    qiLittleEndianParser(it, msg.delta_ls);
    qiLittleEndianParser(it, msg.sync_level);
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool PVTCartesianParser(ROSaicNodeBase* node, It it, It itEnd, PVTCartesianMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4006)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.mode);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.x);
    qiLittleEndianParser(it, msg.y);
    qiLittleEndianParser(it, msg.z);
    qiLittleEndianParser(it, msg.undulation);
    qiLittleEndianParser(it, msg.vx);
    qiLittleEndianParser(it, msg.vy);
    qiLittleEndianParser(it, msg.vz);
    qiLittleEndianParser(it, msg.cog);
    qiLittleEndianParser(it, msg.rx_clk_bias);
    qiLittleEndianParser(it, msg.rx_clk_drift);
    qiLittleEndianParser(it, msg.time_system);
    qiLittleEndianParser(it, msg.datum);
    qiLittleEndianParser(it, msg.nr_sv);
    qiLittleEndianParser(it, msg.wa_corr_info);
    qiLittleEndianParser(it, msg.reference_id);
    qiLittleEndianParser(it, msg.mean_corr_age);
    qiLittleEndianParser(it, msg.signal_info);
    qiLittleEndianParser(it, msg.alert_flag);
    if (msg.block_header.revision > 0)
    {
        qiLittleEndianParser(it, msg.nr_bases);
        qiLittleEndianParser(it, msg.ppp_info);
    }
    if (msg.block_header.revision > 1)
    {
        qiLittleEndianParser(it, msg.latency);
        qiLittleEndianParser(it, msg.h_accuracy);
        qiLittleEndianParser(it, msg.v_accuracy);
        qiLittleEndianParser(it, msg.misc);
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
}
 
template <typename It>
bool PVTGeodeticParser(ROSaicNodeBase* node, It it, It itEnd, PVTGeodeticMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4007)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.mode);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.latitude);
    qiLittleEndianParser(it, msg.longitude);
    qiLittleEndianParser(it, msg.height);
    qiLittleEndianParser(it, msg.undulation);
    qiLittleEndianParser(it, msg.vn);
    qiLittleEndianParser(it, msg.ve);
    qiLittleEndianParser(it, msg.vu);
    qiLittleEndianParser(it, msg.cog);
    qiLittleEndianParser(it, msg.rx_clk_bias);
    qiLittleEndianParser(it, msg.rx_clk_drift);
    qiLittleEndianParser(it, msg.time_system);
    qiLittleEndianParser(it, msg.datum);
    qiLittleEndianParser(it, msg.nr_sv);
    qiLittleEndianParser(it, msg.wa_corr_info);
    qiLittleEndianParser(it, msg.reference_id);
    qiLittleEndianParser(it, msg.mean_corr_age);
    qiLittleEndianParser(it, msg.signal_info);
    qiLittleEndianParser(it, msg.alert_flag);
    if (msg.block_header.revision > 0)
    {
        qiLittleEndianParser(it, msg.nr_bases);
        qiLittleEndianParser(it, msg.ppp_info);
    }
    if (msg.block_header.revision > 1)
    {
        qiLittleEndianParser(it, msg.latency);
        qiLittleEndianParser(it, msg.h_accuracy);
        qiLittleEndianParser(it, msg.v_accuracy);
        qiLittleEndianParser(it, msg.misc);
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
}
 
template <typename It>
bool AttEulerParser(ROSaicNodeBase* node, It it, It itEnd, AttEulerMsg& msg,
                    bool use_ros_axis_orientation)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 5938)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.nr_sv);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.mode);
    std::advance(it, 2); // reserved
    qiLittleEndianParser(it, msg.heading);
    qiLittleEndianParser(it, msg.pitch);
    qiLittleEndianParser(it, msg.roll);
    qiLittleEndianParser(it, msg.pitch_dot);
    qiLittleEndianParser(it, msg.roll_dot);
    qiLittleEndianParser(it, msg.heading_dot);
    if (use_ros_axis_orientation)
    {
        if (validValue(msg.heading))
            msg.heading = -msg.heading + 90;
        if (validValue(msg.pitch))
            msg.pitch = -msg.pitch;
        if (validValue(msg.pitch_dot))
            msg.pitch_dot = -msg.pitch_dot;
        if (validValue(msg.heading_dot))
            msg.heading_dot = -msg.heading_dot;
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool AttCovEulerParser(ROSaicNodeBase* node, It it, It itEnd, AttCovEulerMsg& msg,
                       bool use_ros_axis_orientation)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 5939)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    ++it; // reserved
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.cov_headhead);
    qiLittleEndianParser(it, msg.cov_pitchpitch);
    qiLittleEndianParser(it, msg.cov_rollroll);
    qiLittleEndianParser(it, msg.cov_headpitch);
    qiLittleEndianParser(it, msg.cov_headroll);
    qiLittleEndianParser(it, msg.cov_pitchroll);
    if (use_ros_axis_orientation)
    {
        if (validValue(msg.cov_headroll))
            msg.cov_headroll = -msg.cov_headroll;
        if (validValue(msg.cov_pitchroll))
            msg.cov_pitchroll = -msg.cov_pitchroll;
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
void VectorInfoCartParser(It& it, VectorInfoCartMsg& msg, uint8_t sb_length)
{
    qiLittleEndianParser(it, msg.nr_sv);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.mode);
    qiLittleEndianParser(it, msg.misc);
    qiLittleEndianParser(it, msg.delta_x);
    qiLittleEndianParser(it, msg.delta_y);
    qiLittleEndianParser(it, msg.delta_z);
    qiLittleEndianParser(it, msg.delta_vx);
    qiLittleEndianParser(it, msg.delta_vy);
    qiLittleEndianParser(it, msg.delta_vz);
    qiLittleEndianParser(it, msg.azimuth);
    qiLittleEndianParser(it, msg.elevation);
    qiLittleEndianParser(it, msg.reference_id);
    qiLittleEndianParser(it, msg.corr_age);
    qiLittleEndianParser(it, msg.signal_info);
    std::advance(it, sb_length - 52); // skip padding
};
 
template <typename It>
bool BaseVectorCartParser(ROSaicNodeBase* node, It it, It itEnd,
                          BaseVectorCartMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4043)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.n);
    if (msg.n > MAXSB_NBVECTORINFO)
    {
        node->log(LogLevel::ERROR,
                  "Parse error: Too many VectorInfoCart " + std::to_string(msg.n));
        return false;
    }
    qiLittleEndianParser(it, msg.sb_length);
    msg.vector_info_cart.resize(msg.n);
    for (auto& vector_info_cart : msg.vector_info_cart)
    {
        VectorInfoCartParser(it, vector_info_cart, msg.sb_length);
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
void VectorInfoGeodParser(It& it, VectorInfoGeodMsg& msg, uint8_t sb_length)
{
    qiLittleEndianParser(it, msg.nr_sv);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.mode);
    qiLittleEndianParser(it, msg.misc);
    qiLittleEndianParser(it, msg.delta_east);
    qiLittleEndianParser(it, msg.delta_north);
    qiLittleEndianParser(it, msg.delta_up);
    qiLittleEndianParser(it, msg.delta_ve);
    qiLittleEndianParser(it, msg.delta_vn);
    qiLittleEndianParser(it, msg.delta_vu);
    qiLittleEndianParser(it, msg.azimuth);
    qiLittleEndianParser(it, msg.elevation);
    qiLittleEndianParser(it, msg.reference_id);
    qiLittleEndianParser(it, msg.corr_age);
    qiLittleEndianParser(it, msg.signal_info);
    std::advance(it, sb_length - 52); // skip padding
};
 
template <typename It>
bool BaseVectorGeodParser(ROSaicNodeBase* node, It it, It itEnd,
                          BaseVectorGeodMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4028)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.n);
    if (msg.n > MAXSB_NBVECTORINFO)
    {
        node->log(LogLevel::ERROR,
                  "Parse error: Too many VectorInfoGeod " + std::to_string(msg.n));
        return false;
    }
    qiLittleEndianParser(it, msg.sb_length);
    msg.vector_info_geod.resize(msg.n);
    for (auto& vector_info_geod : msg.vector_info_geod)
    {
        VectorInfoGeodParser(it, vector_info_geod, msg.sb_length);
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool INSNavCartParser(ROSaicNodeBase* node, It it, It itEnd, INSNavCartMsg& msg,
                      bool use_ros_axis_orientation)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if ((msg.block_header.id != 4225) && (msg.block_header.id != 4229))
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.gnss_mode);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.info);
    qiLittleEndianParser(it, msg.gnss_age);
    qiLittleEndianParser(it, msg.x);
    qiLittleEndianParser(it, msg.y);
    qiLittleEndianParser(it, msg.z);
    qiLittleEndianParser(it, msg.accuracy);
    qiLittleEndianParser(it, msg.latency);
    qiLittleEndianParser(it, msg.datum);
    ++it; // reserved
    qiLittleEndianParser(it, msg.sb_list);
    if ((msg.sb_list & 1) != 0)
    {
        qiLittleEndianParser(it, msg.x_std_dev);
        qiLittleEndianParser(it, msg.y_std_dev);
        qiLittleEndianParser(it, msg.z_std_dev);
    } else
    {
        setDoNotUse(msg.x_std_dev);
        setDoNotUse(msg.y_std_dev);
        setDoNotUse(msg.z_std_dev);
    }
    if ((msg.sb_list & 2) != 0)
    {
        qiLittleEndianParser(it, msg.heading);
        qiLittleEndianParser(it, msg.pitch);
        qiLittleEndianParser(it, msg.roll);
        if (use_ros_axis_orientation)
        {
            if (validValue(msg.heading))
                msg.heading = -msg.heading + 90;
            if (validValue(msg.pitch))
                msg.pitch = -msg.pitch;
        }
    } else
    {
        setDoNotUse(msg.heading);
        setDoNotUse(msg.pitch);
        setDoNotUse(msg.roll);
    }
    if ((msg.sb_list & 4) != 0)
    {
        qiLittleEndianParser(it, msg.heading_std_dev);
        qiLittleEndianParser(it, msg.pitch_std_dev);
        qiLittleEndianParser(it, msg.roll_std_dev);
    } else
    {
        setDoNotUse(msg.heading_std_dev);
        setDoNotUse(msg.pitch_std_dev);
        setDoNotUse(msg.roll_std_dev);
    }
    if ((msg.sb_list & 8) != 0)
    {
        qiLittleEndianParser(it, msg.vx);
        qiLittleEndianParser(it, msg.vy);
        qiLittleEndianParser(it, msg.vz);
    } else
    {
        setDoNotUse(msg.vx);
        setDoNotUse(msg.vy);
        setDoNotUse(msg.vz);
    }
    if ((msg.sb_list & 16) != 0)
    {
        qiLittleEndianParser(it, msg.vx_std_dev);
        qiLittleEndianParser(it, msg.vy_std_dev);
        qiLittleEndianParser(it, msg.vz_std_dev);
    } else
    {
        setDoNotUse(msg.vx_std_dev);
        setDoNotUse(msg.vy_std_dev);
        setDoNotUse(msg.vz_std_dev);
    }
    if ((msg.sb_list & 32) != 0)
    {
        qiLittleEndianParser(it, msg.xy_cov);
        qiLittleEndianParser(it, msg.xz_cov);
        qiLittleEndianParser(it, msg.yz_cov);
    } else
    {
        setDoNotUse(msg.xy_cov);
        setDoNotUse(msg.xz_cov);
        setDoNotUse(msg.yz_cov);
    }
    if ((msg.sb_list & 64) != 0)
    {
        qiLittleEndianParser(it, msg.heading_pitch_cov);
        qiLittleEndianParser(it, msg.heading_roll_cov);
        qiLittleEndianParser(it, msg.pitch_roll_cov);
        if (use_ros_axis_orientation)
        {
            if (validValue(msg.heading_roll_cov))
                msg.heading_roll_cov = -msg.heading_roll_cov;
            if (validValue(msg.pitch_roll_cov))
                msg.pitch_roll_cov = -msg.pitch_roll_cov;
        }
    } else
    {
        setDoNotUse(msg.heading_pitch_cov);
        setDoNotUse(msg.heading_roll_cov);
        setDoNotUse(msg.pitch_roll_cov);
    }
    if ((msg.sb_list & 128) != 0)
    {
        qiLittleEndianParser(it, msg.vx_vy_cov);
        qiLittleEndianParser(it, msg.vx_vz_cov);
        qiLittleEndianParser(it, msg.vy_vz_cov);
    } else
    {
        setDoNotUse(msg.vx_vy_cov);
        setDoNotUse(msg.vx_vz_cov);
        setDoNotUse(msg.vy_vz_cov);
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool PosCovCartesianParser(ROSaicNodeBase* node, It it, It itEnd,
                           PosCovCartesianMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 5905)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.mode);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.cov_xx);
    qiLittleEndianParser(it, msg.cov_yy);
    qiLittleEndianParser(it, msg.cov_zz);
    qiLittleEndianParser(it, msg.cov_bb);
    qiLittleEndianParser(it, msg.cov_xy);
    qiLittleEndianParser(it, msg.cov_xz);
    qiLittleEndianParser(it, msg.cov_xb);
    qiLittleEndianParser(it, msg.cov_yz);
    qiLittleEndianParser(it, msg.cov_yb);
    qiLittleEndianParser(it, msg.cov_zb);
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool PosCovGeodeticParser(ROSaicNodeBase* node, It it, It itEnd,
                          PosCovGeodeticMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 5906)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.mode);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.cov_latlat);
    qiLittleEndianParser(it, msg.cov_lonlon);
    qiLittleEndianParser(it, msg.cov_hgthgt);
    qiLittleEndianParser(it, msg.cov_bb);
    qiLittleEndianParser(it, msg.cov_latlon);
    qiLittleEndianParser(it, msg.cov_lathgt);
    qiLittleEndianParser(it, msg.cov_latb);
    qiLittleEndianParser(it, msg.cov_lonhgt);
    qiLittleEndianParser(it, msg.cov_lonb);
    qiLittleEndianParser(it, msg.cov_hb);
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool VelCovCartesianParser(ROSaicNodeBase* node, It it, It itEnd,
                           VelCovCartesianMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 5907)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.mode);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.cov_vxvx);
    qiLittleEndianParser(it, msg.cov_vyvy);
    qiLittleEndianParser(it, msg.cov_vzvz);
    qiLittleEndianParser(it, msg.cov_dtdt);
    qiLittleEndianParser(it, msg.cov_vxvy);
    qiLittleEndianParser(it, msg.cov_vxvz);
    qiLittleEndianParser(it, msg.cov_vxdt);
    qiLittleEndianParser(it, msg.cov_vyvz);
    qiLittleEndianParser(it, msg.cov_vydt);
    qiLittleEndianParser(it, msg.cov_vzdt);
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool VelCovGeodeticParser(ROSaicNodeBase* node, It it, It itEnd,
                          VelCovGeodeticMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 5908)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.mode);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.cov_vnvn);
    qiLittleEndianParser(it, msg.cov_veve);
    qiLittleEndianParser(it, msg.cov_vuvu);
    qiLittleEndianParser(it, msg.cov_dtdt);
    qiLittleEndianParser(it, msg.cov_vnve);
    qiLittleEndianParser(it, msg.cov_vnvu);
    qiLittleEndianParser(it, msg.cov_vndt);
    qiLittleEndianParser(it, msg.cov_vevu);
    qiLittleEndianParser(it, msg.cov_vedt);
    qiLittleEndianParser(it, msg.cov_vudt);
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool QualityIndParser(ROSaicNodeBase* node, It it, It itEnd, QualityInd& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4082)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.n);
    if (msg.n > 40)
    {
        node->log(LogLevel::ERROR,
                  "Parse error: Too many indicators " + std::to_string(msg.n));
        return false;
    }
    ++it; // reserved
    msg.indicators.resize(msg.n);
    std::vector<uint16_t> indicators;
    for (auto& indicators : msg.indicators)
    {
        qiLittleEndianParser(it, indicators);
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
void AgcStateParser(It it, AgcState& msg, uint8_t sb_length)
{
    qiLittleEndianParser(it, msg.frontend_id);
    qiLittleEndianParser(it, msg.gain);
    qiLittleEndianParser(it, msg.sample_var);
    qiLittleEndianParser(it, msg.blanking_stat);
    std::advance(it, sb_length - 4); // skip padding
};
 
template <typename It>
bool ReceiverStatusParser(ROSaicNodeBase* node, It it, It itEnd, ReceiverStatus& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4014)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.cpu_load);
    qiLittleEndianParser(it, msg.ext_error);
    qiLittleEndianParser(it, msg.up_time);
    qiLittleEndianParser(it, msg.rx_status);
    qiLittleEndianParser(it, msg.rx_error);
    qiLittleEndianParser(it, msg.n);
    if (msg.n > 18)
    {
        node->log(LogLevel::ERROR,
                  "Parse error: Too many AGCState " + std::to_string(msg.n));
        return false;
    }
    qiLittleEndianParser(it, msg.sb_length);
    qiLittleEndianParser(it, msg.cmd_count);
    qiLittleEndianParser(it, msg.temperature);
    msg.agc_state.resize(msg.n);
    for (auto& agc_state : msg.agc_state)
    {
        AgcStateParser(it, agc_state, msg.sb_length);
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool ReceiverTimeParser(ROSaicNodeBase* node, It it, It itEnd, ReceiverTimeMsg& msg)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 5914)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.utc_year);
    qiLittleEndianParser(it, msg.utc_month);
    qiLittleEndianParser(it, msg.utc_day);
    qiLittleEndianParser(it, msg.utc_hour);
    qiLittleEndianParser(it, msg.utc_min);
    qiLittleEndianParser(it, msg.utc_second);
    qiLittleEndianParser(it, msg.delta_ls);
    qiLittleEndianParser(it, msg.sync_level);
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool INSNavGeodParser(ROSaicNodeBase* node, It it, It itEnd, INSNavGeodMsg& msg,
                      bool use_ros_axis_orientation)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if ((msg.block_header.id != 4226) && (msg.block_header.id != 4230))
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.gnss_mode);
    qiLittleEndianParser(it, msg.error);
    qiLittleEndianParser(it, msg.info);
    qiLittleEndianParser(it, msg.gnss_age);
    qiLittleEndianParser(it, msg.latitude);
    qiLittleEndianParser(it, msg.longitude);
    qiLittleEndianParser(it, msg.height);
    qiLittleEndianParser(it, msg.undulation);
    qiLittleEndianParser(it, msg.accuracy);
    qiLittleEndianParser(it, msg.latency);
    qiLittleEndianParser(it, msg.datum);
    ++it; // reserved
    qiLittleEndianParser(it, msg.sb_list);
    if ((msg.sb_list & 1) != 0)
    {
        qiLittleEndianParser(it, msg.latitude_std_dev);
        qiLittleEndianParser(it, msg.longitude_std_dev);
        qiLittleEndianParser(it, msg.height_std_dev);
    } else
    {
        setDoNotUse(msg.latitude_std_dev);
        setDoNotUse(msg.longitude_std_dev);
        setDoNotUse(msg.height_std_dev);
    }
    if ((msg.sb_list & 2) != 0)
    {
        qiLittleEndianParser(it, msg.heading);
        qiLittleEndianParser(it, msg.pitch);
        qiLittleEndianParser(it, msg.roll);
        if (use_ros_axis_orientation)
        {
            if (validValue(msg.heading))
                msg.heading = -msg.heading + 90;
            if (validValue(msg.pitch))
                msg.pitch = -msg.pitch;
        }
    } else
    {
        setDoNotUse(msg.heading);
        setDoNotUse(msg.pitch);
        setDoNotUse(msg.roll);
    }
    if ((msg.sb_list & 4) != 0)
    {
        qiLittleEndianParser(it, msg.heading_std_dev);
        qiLittleEndianParser(it, msg.pitch_std_dev);
        qiLittleEndianParser(it, msg.roll_std_dev);
    } else
    {
        setDoNotUse(msg.heading_std_dev);
        setDoNotUse(msg.pitch_std_dev);
        setDoNotUse(msg.roll_std_dev);
    }
    if ((msg.sb_list & 8) != 0)
    {
        qiLittleEndianParser(it, msg.ve);
        qiLittleEndianParser(it, msg.vn);
        qiLittleEndianParser(it, msg.vu);
    } else
    {
        setDoNotUse(msg.ve);
        setDoNotUse(msg.vn);
        setDoNotUse(msg.vu);
    }
    if ((msg.sb_list & 16) != 0)
    {
        qiLittleEndianParser(it, msg.ve_std_dev);
        qiLittleEndianParser(it, msg.vn_std_dev);
        qiLittleEndianParser(it, msg.vu_std_dev);
    } else
    {
        setDoNotUse(msg.ve_std_dev);
        setDoNotUse(msg.vn_std_dev);
        setDoNotUse(msg.vu_std_dev);
    }
    if ((msg.sb_list & 32) != 0)
    {
        qiLittleEndianParser(it, msg.latitude_longitude_cov);
        qiLittleEndianParser(it, msg.latitude_height_cov);
        qiLittleEndianParser(it, msg.longitude_height_cov);
    } else
    {
        setDoNotUse(msg.latitude_longitude_cov);
        setDoNotUse(msg.latitude_height_cov);
        setDoNotUse(msg.longitude_height_cov);
    }
    if ((msg.sb_list & 64) != 0)
    {
        qiLittleEndianParser(it, msg.heading_pitch_cov);
        qiLittleEndianParser(it, msg.heading_roll_cov);
        qiLittleEndianParser(it, msg.pitch_roll_cov);
        if (use_ros_axis_orientation)
        {
            if (validValue(msg.heading_roll_cov))
                msg.heading_roll_cov = -msg.heading_roll_cov;
            if (validValue(msg.pitch_roll_cov))
                msg.pitch_roll_cov = -msg.pitch_roll_cov;
        }
    } else
    {
        setDoNotUse(msg.heading_pitch_cov);
        setDoNotUse(msg.heading_roll_cov);
        setDoNotUse(msg.pitch_roll_cov);
    }
    if ((msg.sb_list & 128) != 0)
    {
        qiLittleEndianParser(it, msg.ve_vn_cov);
        qiLittleEndianParser(it, msg.ve_vu_cov);
        qiLittleEndianParser(it, msg.vn_vu_cov);
    } else
    {
        setDoNotUse(msg.ve_vn_cov);
        setDoNotUse(msg.ve_vu_cov);
        setDoNotUse(msg.vn_vu_cov);
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool IMUSetupParser(ROSaicNodeBase* node, It it, It itEnd, IMUSetupMsg& msg,
                    bool use_ros_axis_orientation)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4224)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    ++it; // reserved
    qiLittleEndianParser(it, msg.serial_port);
    qiLittleEndianParser(it, msg.ant_lever_arm_x);
    qiLittleEndianParser(it, msg.ant_lever_arm_y);
    qiLittleEndianParser(it, msg.ant_lever_arm_z);
    qiLittleEndianParser(it, msg.theta_x);
    qiLittleEndianParser(it, msg.theta_y);
    qiLittleEndianParser(it, msg.theta_z);
    if (use_ros_axis_orientation)
    {
        msg.ant_lever_arm_y = -msg.ant_lever_arm_y;
        msg.ant_lever_arm_z = -msg.ant_lever_arm_z;
        msg.theta_x = parsing_utilities::wrapAngle180to180(msg.theta_x - 180.0f);
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool VelSensorSetupParser(ROSaicNodeBase* node, It it, It itEnd,
                          VelSensorSetupMsg& msg, bool use_ros_axis_orientation)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4244)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    ++it; // reserved
    qiLittleEndianParser(it, msg.port);
    qiLittleEndianParser(it, msg.lever_arm_x);
    qiLittleEndianParser(it, msg.lever_arm_y);
    qiLittleEndianParser(it, msg.lever_arm_z);
    if (use_ros_axis_orientation)
    {
        msg.lever_arm_y = -msg.lever_arm_y;
        msg.lever_arm_z = -msg.lever_arm_z;
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    return true;
};
 
template <typename It>
bool ExtSensorMeasParser(ROSaicNodeBase* node, It it, It itEnd,
                         ExtSensorMeasMsg& msg, bool use_ros_axis_orientation,
                         bool& hasImuMeas)
{
    if (!BlockHeaderParser(node, it, msg.block_header))
        return false;
    if (msg.block_header.id != 4050)
    {
        node->log(LogLevel::ERROR, "Parse error: Wrong header ID " +
                                       std::to_string(msg.block_header.id));
        return false;
    }
    qiLittleEndianParser(it, msg.n);
    qiLittleEndianParser(it, msg.sb_length);
    if (msg.sb_length != 28)
    {
        node->log(LogLevel::ERROR,
                  "Parse error: Wrong sb_length " + std::to_string(msg.sb_length));
        return false;
    }
 
    msg.acceleration_x = std::numeric_limits<double>::quiet_NaN();
    msg.acceleration_y = std::numeric_limits<double>::quiet_NaN();
    msg.acceleration_z = std::numeric_limits<double>::quiet_NaN();
 
    msg.angular_rate_x = std::numeric_limits<double>::quiet_NaN();
    msg.angular_rate_y = std::numeric_limits<double>::quiet_NaN();
    msg.angular_rate_z = std::numeric_limits<double>::quiet_NaN();
 
    msg.velocity_x = std::numeric_limits<double>::quiet_NaN();
    msg.velocity_y = std::numeric_limits<double>::quiet_NaN();
    msg.velocity_z = std::numeric_limits<double>::quiet_NaN();
 
    msg.std_dev_x = std::numeric_limits<double>::quiet_NaN();
    msg.std_dev_y = std::numeric_limits<double>::quiet_NaN();
    msg.std_dev_z = std::numeric_limits<double>::quiet_NaN();
 
    msg.sensor_temperature = -32768.0f; // do not use value
    msg.zero_velocity_flag = std::numeric_limits<double>::quiet_NaN();
 
    msg.source.resize(msg.n);
    msg.sensor_model.resize(msg.n);
    msg.type.resize(msg.n);
    msg.obs_info.resize(msg.n);
    bool hasAcc = false;
    bool hasOmega = false;
    hasImuMeas = false;
    for (size_t i = 0; i < msg.n; i++)
    {
        qiLittleEndianParser(it, msg.source[i]);
        qiLittleEndianParser(it, msg.sensor_model[i]);
        qiLittleEndianParser(it, msg.type[i]);
        qiLittleEndianParser(it, msg.obs_info[i]);
 
        switch (msg.type[i])
        {
        case 0:
        {
            qiLittleEndianParser(it, msg.acceleration_x);
            qiLittleEndianParser(it, msg.acceleration_y);
            qiLittleEndianParser(it, msg.acceleration_z);
            if (!use_ros_axis_orientation) // IMU is mounted upside down in SBi
            {
                if (validValue(msg.acceleration_y))
                    msg.acceleration_y = -msg.acceleration_y;
                if (validValue(msg.acceleration_z))
                    msg.acceleration_z = -msg.acceleration_z;
            }
            hasAcc = true;
            break;
        }
        case 1:
        {
            qiLittleEndianParser(it, msg.angular_rate_x);
            qiLittleEndianParser(it, msg.angular_rate_y);
            qiLittleEndianParser(it, msg.angular_rate_z);
            if (!use_ros_axis_orientation) // IMU is mounted upside down in SBi
            {
                if (validValue(msg.angular_rate_y))
                    msg.angular_rate_y = -msg.angular_rate_y;
                if (validValue(msg.angular_rate_z))
                    msg.angular_rate_z = -msg.angular_rate_z;
            }
            hasOmega = true;
            break;
        }
        case 3:
        {
            qi::parse(it, it + 2, qi::little_word, msg.sensor_temperature);
            msg.sensor_temperature /= 100.0f;
            std::advance(it, 22); // reserved
            break;
        }
        case 4:
        {
            qiLittleEndianParser(it, msg.velocity_x);
            qiLittleEndianParser(it, msg.velocity_y);
            qiLittleEndianParser(it, msg.velocity_z);
            qiLittleEndianParser(it, msg.std_dev_x);
            qiLittleEndianParser(it, msg.std_dev_y);
            qiLittleEndianParser(it, msg.std_dev_z);
            if (use_ros_axis_orientation)
            {
                if (validValue(msg.velocity_y))
                    msg.velocity_y = -msg.velocity_y;
                if (validValue(msg.velocity_z))
                    msg.velocity_z = -msg.velocity_z;
            }
            break;
        }
        case 20:
        {
            qiLittleEndianParser(it, msg.zero_velocity_flag);
            std::advance(it, 16); // reserved
            break;
        }
        default:
        {
            node->log(
                LogLevel::ERROR,
                "Unknown external sensor measurement type in SBF ExtSensorMeas.");
            std::advance(it, 24);
            break;
        }
        }
    }
    if (it > itEnd)
    {
        node->log(LogLevel::ERROR, "Parse error: iterator past end.");
        return false;
    }
    hasImuMeas = hasAcc && hasOmega;
    return true;
};