1 | // Part of BNC, a utility for retrieving decoding and
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2 | // converting GNSS data streams from NTRIP broadcasters.
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3 | //
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4 | // Copyright (C) 2007
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5 | // German Federal Agency for Cartography and Geodesy (BKG)
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6 | // http://www.bkg.bund.de
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7 | // Czech Technical University Prague, Department of Geodesy
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8 | // http://www.fsv.cvut.cz
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9 | //
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10 | // Email: euref-ip@bkg.bund.de
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11 | //
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12 | // This program is free software; you can redistribute it and/or
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13 | // modify it under the terms of the GNU General Public License
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14 | // as published by the Free Software Foundation, version 2.
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15 | //
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16 | // This program is distributed in the hope that it will be useful,
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17 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | // GNU General Public License for more details.
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20 | //
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21 | // You should have received a copy of the GNU General Public License
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22 | // along with this program; if not, write to the Free Software
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23 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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24 |
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25 | /* -------------------------------------------------------------------------
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26 | * BKG NTRIP Client
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27 | * -------------------------------------------------------------------------
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28 | *
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29 | * Class: GPSDecoder
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30 | *
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31 | * Purpose: Decoder Base Class
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32 | *
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33 | * Author: L. Mervart
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34 | *
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35 | * Created: 16-Dec-2011
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36 | *
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37 | * Changes:
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38 | *
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39 | * -----------------------------------------------------------------------*/
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40 |
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41 | #include <iomanip>
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42 | #include <cmath>
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43 |
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44 | #include "GPSDecoder.h"
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45 | #include "bncsettings.h"
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46 |
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47 | extern "C" {
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48 | #include "rtcm3torinex.h"
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49 | }
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50 |
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51 | using namespace std;
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52 |
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53 | // Constructor
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54 | //////////////////////////////////////////////////////////////////////////////
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55 | GPSDecoder::GPSDecoder() {
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56 | _rnx = 0;
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57 | }
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58 |
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59 | // Initialize RINEX Writer
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60 | //////////////////////////////////////////////////////////////////////////////
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61 | void GPSDecoder::initRinex(const QByteArray& staID, const QUrl& mountPoint,
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62 | const QByteArray& latitude,
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63 | const QByteArray& longitude, const QByteArray& nmea,
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64 | const QByteArray& ntripVersion) {
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65 | if (_rnx) {
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66 | return;
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67 | }
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68 | bncSettings settings;
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69 | if ( !settings.value("rnxPath").toString().isEmpty() ) {
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70 | _rnx = new bncRinex(staID, mountPoint, latitude, longitude,
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71 | nmea, ntripVersion);
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72 | }
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73 | }
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74 |
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75 | // Write RINEX Epoch
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76 | //////////////////////////////////////////////////////////////////////////////
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77 | void GPSDecoder::dumpRinexEpoch(const t_obs& obs, const QByteArray& format) {
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78 | if (_rnx) {
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79 | long iSec = long(floor(obs.GPSWeeks+0.5));
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80 | long obsTime = obs.GPSWeek * 7*24*3600 + iSec;
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81 | if (_rnx->samplingRate() == 0 || iSec % _rnx->samplingRate() == 0) {
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82 | _rnx->deepCopy(obs);
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83 | }
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84 | _rnx->dumpEpoch(format, obsTime);
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85 | }
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86 | }
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87 |
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88 | // Set RINEX Reconnect Flag
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89 | //////////////////////////////////////////////////////////////////////////////
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90 | void GPSDecoder::setRinexReconnectFlag(bool flag) {
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91 | if (_rnx) {
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92 | _rnx->setReconnectFlag(flag);
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93 | }
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94 | }
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95 |
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96 | //
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97 | //////////////////////////////////////////////////////////////////////////////
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98 | void t_obs::setMeasdata(QString rnxStr, float rnxVers, double value) {
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99 |
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100 | if (rnxVers < 3.0) {
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101 | if (rnxStr == "C1") rnxStr = "C1C";
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102 | else if (rnxStr == "P1") rnxStr = "C1P";
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103 | else if (rnxStr == "C2") rnxStr = "C2C";
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104 | else if (rnxStr == "P2") rnxStr = "C2P";
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105 | }
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106 |
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107 | int ie = iEntry(rnxStr, rnxVers);
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108 |
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109 | if (ie != -1) {
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110 | _codetype[ie] = rnxStr.mid(1);
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111 | _measdata[ie] = value;
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112 | }
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113 | }
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114 |
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115 | //
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116 | //////////////////////////////////////////////////////////////////////////////
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117 | double t_obs::measdata(const QString& rnxStr, float rnxVers) const {
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118 | int ie = iEntry(rnxStr, rnxVers);
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119 | if (ie != -1) {
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120 | return _measdata[ie];
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121 | }
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122 | else {
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123 | return 0.0;
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124 | }
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125 | }
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126 |
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127 | //
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128 | //////////////////////////////////////////////////////////////////////////////
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129 | int t_obs::iEntry(QString rnxStr, float rnxVers) const {
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130 | if (rnxVers < 3.0) {
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131 | if (rnxStr == "C1") rnxStr = "C1C";
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132 | else if (rnxStr == "P1") rnxStr = "C1P";
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133 | else if (rnxStr == "C2") rnxStr = "C2C";
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134 | else if (rnxStr == "P2") rnxStr = "C2P";
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135 | }
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136 | int res = 0;
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137 | switch(rnxStr[0].toAscii())
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138 | {
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139 | case 'C': res += GNSSENTRY_CODE; break;
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140 | case 'L': res += GNSSENTRY_PHASE; break;
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141 | case 'D': res += GNSSENTRY_DOPPLER; break;
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142 | case 'S': res += GNSSENTRY_SNR; break;
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143 | default:
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144 | return -1;
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145 | }
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146 | switch(rnxStr[1].toAscii())
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147 | {
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148 | case '1':
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149 | switch(rnxStr[2].toAscii())
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150 | {
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151 | default:
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152 | case 'C': res += GNSSENTRY_TYPEC1; break;
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153 | case 'P': case'W': case 'Y': res += GNSSENTRY_TYPEP1; break;
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154 | case 'A': case'B':
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155 | case 'S': case'L': case 'X': res += GNSSENTRY_TYPEC1; break;
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156 | case 'Z': res += GNSSENTRY_TYPECSAIF; break;
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157 | }
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158 | break;
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159 | case '2':
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160 | switch(rnxStr[2].toAscii())
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161 | {
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162 | default:
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163 | case 'P': case 'W': case 'Y': res += GNSSENTRY_TYPEP2; break;
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164 | case 'C': case 'S': case 'L': case 'X': res += GNSSENTRY_TYPEC2; break;
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165 | case 'I':
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166 | if (satSys == 'C') {
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167 | res += GNSSENTRY_TYPEC2;
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168 | }
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169 | else {
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170 | res += GNSSENTRY_TYPEC5B;
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171 | }
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172 | }
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173 | break;
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174 | case '5':
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175 | res += GNSSENTRY_TYPEC5;
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176 | break;
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177 | case '6':
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178 | res += GNSSENTRY_TYPEC6;
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179 | break;
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180 | case '7':
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181 | res += GNSSENTRY_TYPEC5B;
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182 | break;
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183 | case '8':
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184 | res += GNSSENTRY_TYPEC5AB;
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185 | break;
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186 | }
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187 | return res;
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188 | }
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189 |
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190 | //
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191 | //////////////////////////////////////////////////////////////////////////////
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192 | QString t_obs::rnxStr(int iEntry) const {
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193 | QString str(3,' ');
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194 | switch(iEntry & 3) {
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195 | case GNSSENTRY_CODE: str[0] = 'C'; break;
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196 | case GNSSENTRY_PHASE: str[0] = 'L'; break;
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197 | case GNSSENTRY_DOPPLER: str[0] = 'D'; break;
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198 | case GNSSENTRY_SNR: str[0] = 'S'; break;
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199 | }
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200 | str += _codetype[iEntry];
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201 | return str.trimmed();
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202 | }
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