lib/dvb/sec.cpp

   1 #include <config.h>
   2 #include <lib/dvb/sec.h>
   3 #include <lib/dvb/rotor_calc.h>
   4
   5 #if HAVE_DVB_API_VERSION < 3
   6 #define INVERSION Inversion
   7 #define FREQUENCY Frequency
   8 #define FEC_INNER FEC_inner
   9 #define SYMBOLRATE SymbolRate
  10 #else
  11 #define INVERSION inversion
  12 #define FREQUENCY frequency
  13 #define FEC_INNER fec_inner
  14 #define SYMBOLRATE symbol_rate
  15 #endif
  16 #include <lib/base/eerror.h>
  17
  18 DEFINE_REF(eDVBSatelliteEquipmentControl);
  19
  20 eDVBSatelliteEquipmentControl::eDVBSatelliteEquipmentControl()
  21 {
  22         m_lnblist.push_back(eDVBSatelliteLNBParameters());
  23         eDVBSatelliteLNBParameters &lnb_ref = m_lnblist.front();
  24         eDVBSatelliteParameters &astra1 = lnb_ref.m_satellites[192];
  25         eDVBSatelliteDiseqcParameters &diseqc_ref = astra1.m_diseqc_parameters;
  26         eDVBSatelliteSwitchParameters &switch_ref = astra1.m_switch_parameters;
  27
  28         lnb_ref.m_lof_hi = 10600000;
  29         lnb_ref.m_lof_lo = 9750000;
  30         lnb_ref.m_lof_threshold = 11700000;
  31
  32         diseqc_ref.m_diseqc_mode = eDVBSatelliteDiseqcParameters::V1_0;
  33         diseqc_ref.m_committed_cmd = eDVBSatelliteDiseqcParameters::AA;
  34         diseqc_ref.m_repeats = 0;
  35         diseqc_ref.m_seq_repeat = false;
  36         diseqc_ref.m_swap_cmds = false;
  37         diseqc_ref.m_toneburst_param = eDVBSatelliteDiseqcParameters::NO;
  38         diseqc_ref.m_uncommitted_cmd = 0;
  39         diseqc_ref.m_use_fast = 1;
  40
  41         switch_ref.m_22khz_signal = eDVBSatelliteSwitchParameters::HILO;
  42         switch_ref.m_voltage_mode = eDVBSatelliteSwitchParameters::HV;
  43 }
  44
  45 RESULT eDVBSatelliteEquipmentControl::prepare(iDVBFrontend &frontend, FRONTENDPARAMETERS &parm, eDVBFrontendParametersSatellite &sat)
  46 {
  47         std::list<eDVBSatelliteLNBParameters>::iterator it = m_lnblist.begin();
  48         for (;it != m_lnblist.end(); ++it )
  49         {
  50                 eDVBSatelliteLNBParameters &lnb_param = *it;
  51                 std::map<int, eDVBSatelliteParameters>::iterator sit =
  52                         lnb_param.m_satellites.find(sat.orbital_position);
  53                 if ( sit != lnb_param.m_satellites.end())
  54                 {
  55                         eDVBSatelliteDiseqcParameters &di_param = sit->second.m_diseqc_parameters;
  56                         eDVBSatelliteSwitchParameters &sw_param = sit->second.m_switch_parameters;
  57                         eDVBSatelliteRotorParameters &rotor_param = sit->second.m_rotor_parameters;
  58                         int hi=0,
  59                                 voltage = iDVBFrontend::voltageOff,
  60                                 tone = iDVBFrontend::toneOff,
  61                                 csw = di_param.m_committed_cmd,
  62                                 ucsw = di_param.m_uncommitted_cmd,
  63                                 toneburst = di_param.m_toneburst_param,
  64                                 lastcsw = -1,
  65                                 lastucsw = -1,
  66                                 lastToneburst = -1,
  67                                 lastRotorCmd = -1,
  68                                 curRotorPos = -1;
  69
  70                         frontend.getData(0, lastcsw);
  71                         frontend.getData(1, lastucsw);
  72                         frontend.getData(2, lastToneburst);
  73                         frontend.getData(3, lastRotorCmd);
  74                         frontend.getData(4, curRotorPos);
  75
  76                         if ( sat.frequency > lnb_param.m_lof_threshold )
  77                                 hi = 1;
  78
  79                         if (hi)
  80                                 parm.FREQUENCY = sat.frequency - lnb_param.m_lof_hi;
  81                         else
  82                                 parm.FREQUENCY = sat.frequency - lnb_param.m_lof_lo;
  83
  84                         parm.INVERSION = (!sat.inversion) ? INVERSION_ON : INVERSION_OFF;
  85
  86                         switch (sat.fec)
  87                         {
  88                                 default:
  89                                 case eDVBFrontendParametersSatellite::FEC::fNone:
  90                                         eDebug("no fec set.. assume auto");
  91                                 case eDVBFrontendParametersSatellite::FEC::fAuto:
  92                                         parm.u.qpsk.FEC_INNER = FEC_AUTO;
  93                                         break;
  94                                 case eDVBFrontendParametersSatellite::FEC::f1_2:
  95                                         parm.u.qpsk.FEC_INNER = FEC_1_2;
  96                                         break;
  97                                 case eDVBFrontendParametersSatellite::FEC::f2_3:
  98                                         parm.u.qpsk.FEC_INNER = FEC_2_3;
  99                                         break;
 100                                 case eDVBFrontendParametersSatellite::FEC::f3_4:
 101                                         parm.u.qpsk.FEC_INNER = FEC_3_4;
 102                                         break;
 103                                 case eDVBFrontendParametersSatellite::FEC::f5_6:
 104                                         parm.u.qpsk.FEC_INNER = FEC_5_6;
 105                                         break;
 106                                 case eDVBFrontendParametersSatellite::FEC::f7_8:
 107                                         parm.u.qpsk.FEC_INNER = FEC_7_8;
 108                                         break;
 109                         }
 110
 111                         parm.u.qpsk.SYMBOLRATE = sat.symbol_rate;
 112
 113                         if ( sw_param.m_voltage_mode == eDVBSatelliteSwitchParameters::_14V
 114                                 || ( sat.polarisation == eDVBFrontendParametersSatellite::Polarisation::Vertical
 115                                         && sw_param.m_voltage_mode == eDVBSatelliteSwitchParameters::HV )  )
 116                                 voltage = iDVBFrontend::voltage13;
 117                         else if ( sw_param.m_voltage_mode == eDVBSatelliteSwitchParameters::_18V
 118                                 || ( sat.polarisation == eDVBFrontendParametersSatellite::Polarisation::Horizontal
 119                                         && sw_param.m_voltage_mode == eDVBSatelliteSwitchParameters::HV )  )
 120                                 voltage = iDVBFrontend::voltage18;
 121
 122                         if ( (sw_param.m_22khz_signal == eDVBSatelliteSwitchParameters::ON)
 123                                 || ( sw_param.m_22khz_signal == eDVBSatelliteSwitchParameters::HILO && hi ) )
 124                                 tone = iDVBFrontend::toneOn;
 125                         else if ( (sw_param.m_22khz_signal == eDVBSatelliteSwitchParameters::OFF)
 126                                 || ( sw_param.m_22khz_signal == eDVBSatelliteSwitchParameters::HILO && !hi ) )
 127                                 tone = iDVBFrontend::toneOff;
 128
 129                         eSecCommandList sec_sequence;
 130
 131                         if (di_param.m_diseqc_mode >= eDVBSatelliteDiseqcParameters::V1_0)
 132                         {
 133                                 if ( di_param.m_committed_cmd < eDVBSatelliteDiseqcParameters::SENDNO )
 134                                 {
 135                                         csw = 0xF0 | (csw << 2);
 136                                         if (hi)
 137                                                 csw |= 1;
 138                                         if (sat.polarisation == eDVBFrontendParametersSatellite::Polarisation::Horizontal)
 139                                                 csw |= 2;
 140                                 }
 141
 142                                 bool send_csw =
 143                                         (di_param.m_committed_cmd != eDVBSatelliteDiseqcParameters::SENDNO);
 144                                 bool changed_csw = send_csw && csw != lastcsw;
 145
 146                                 bool send_ucsw =
 147                                         (di_param.m_uncommitted_cmd && di_param.m_diseqc_mode > eDVBSatelliteDiseqcParameters::V1_0);
 148                                 bool changed_ucsw = send_ucsw && ucsw != lastucsw;
 149
 150                                 bool send_burst =
 151                                         (di_param.m_toneburst_param != eDVBSatelliteDiseqcParameters::NO);
 152                                 bool changed_burst = send_burst && toneburst != lastToneburst;
 153
 154                                 bool send_diseqc = changed_ucsw;
 155                                 if (!send_diseqc)
 156                                         send_diseqc = changed_burst && (send_ucsw || send_csw);
 157                                 if (!send_diseqc)
 158                                 {
 159                                         send_diseqc = changed_csw;
 160                                         if ( send_diseqc && di_param.m_use_fast && (csw & 0xF0) && (lastcsw & 0xF0) && ((csw / 4) == (lastcsw / 4)) )
 161                                                 send_diseqc = false;
 162                                 }
 163
 164                                 if ( send_diseqc || changed_burst )
 165                                 {
 166                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_TONE, iDVBFrontend::toneOff) );
 167                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_VOLTAGE, voltage) );
 168                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );  // standard says 15 msek here
 169                                 }
 170
 171                                 if ( send_diseqc )
 172                                 {
 173                                         int loops=0;
 174
 175                                         if ( send_csw )
 176                                                 ++loops;
 177                                         if ( send_ucsw )
 178                                                 ++loops;
 179
 180                                         for ( int i=0; i < di_param.m_repeats; ++i )
 181                                                 loops *= 2;
 182
 183                                         for ( int i = 0; i < loops;)  // fill commands...
 184                                         {
 185                                                 eDVBDiseqcCommand diseqc;
 186                                                 diseqc.len = 4;
 187                                                 diseqc.data[0] = i ? 0xE1 : 0xE0;
 188                                                 diseqc.data[1] = 0x10;
 189
 190                                                 if ( !send_csw || (di_param.m_swap_cmds && send_ucsw) )
 191                                                 {
 192                                                         diseqc.data[2] = 0x39;
 193                                                         diseqc.data[3] = ucsw;
 194                                                 }
 195                                                 else
 196                                                 {
 197                                                         diseqc.data[2] = 0x38;
 198                                                         diseqc.data[3] = csw;
 199                                                 }
 200                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SEND_DISEQC, diseqc) );
 201
 202                                                 i++;
 203                                                 if ( i < loops )
 204                                                 {
 205                                                         int cmd=0;
 206                                                         if (diseqc.data[2] == 0x38 && send_ucsw)
 207                                                                 cmd=0x39;
 208                                                         else if (diseqc.data[2] == 0x39 && send_csw)
 209                                                                 cmd=0x38;
 210                                                         if (cmd)
 211                                                         {
 212                                                                 static int delay = (120 - 54) / 2;  // standard says 100msek between two repeated commands
 213                                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, delay) );
 214                                                                 diseqc.data[2]=cmd;
 215                                                                 diseqc.data[3]=(cmd==0x38) ? csw : ucsw;
 216                                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SEND_DISEQC, diseqc) );
 217                                                                 ++i;
 218                                                                 if ( i < loops )
 219                                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, delay ) );
 220                                                                 else
 221                                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );
 222                                                         }
 223                                                         else  // delay 120msek when no command is in repeat gap
 224                                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 120) );
 225                                                 }
 226                                                 else
 227                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );
 228
 229                                                 frontend.setData(0, csw);
 230                                                 frontend.setData(1, ucsw);
 231                                         }
 232                                 }
 233                                 if ( (changed_burst || send_diseqc) && di_param.m_toneburst_param != eDVBSatelliteDiseqcParameters::NO )
 234                                 {
 235                                         sec_sequence.push_back( eSecCommand(eSecCommand::SEND_TONEBURST, di_param.m_toneburst_param) );
 236                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );
 237                                         frontend.setData(2, di_param.m_toneburst_param);
 238                                 }
 239                                 if ( di_param.m_diseqc_mode == eDVBSatelliteDiseqcParameters::V1_2 )
 240                                 {
 241                                         int RotorCmd=0;
 242                                         bool useGotoXX = false;
 243
 244                                         std::map<int,int,eDVBSatelliteRotorParameters::Orbital_Position_Compare>::iterator it =
 245                                                 rotor_param.m_rotor_position_table.find( sat.orbital_position );
 246
 247                                         if (it != rotor_param.m_rotor_position_table.end())  // position for selected sat found ?
 248                                                 RotorCmd=it->second;
 249                                         else  // entry not in table found
 250                                         {
 251                                                 eDebug("Entry for %d,%d° not in Rotor Table found... i try gotoXX°", sat.orbital_position / 10, sat.orbital_position % 10 );
 252                                                 useGotoXX = true;
 253
 254                                                 int satDir = sat.orbital_position < 0 ?
 255                                                         eDVBSatelliteRotorParameters::WEST :
 256                                                         eDVBSatelliteRotorParameters::EAST;
 257
 258                                                 double  SatLon = abs(sat.orbital_position)/10.00,
 259                                                                 SiteLat = rotor_param.m_gotoxx_parameters.m_latitude,
 260                                                                 SiteLon = rotor_param.m_gotoxx_parameters.m_longitude;
 261
 262                                                 if ( rotor_param.m_gotoxx_parameters.m_la_direction == eDVBSatelliteRotorParameters::SOUTH )
 263                                                         SiteLat = -SiteLat;
 264
 265                                                 if ( rotor_param.m_gotoxx_parameters.m_lo_direction == eDVBSatelliteRotorParameters::WEST )
 266                                                         SiteLon = 360 - SiteLon;
 267
 268                                                 if (satDir == eDVBSatelliteRotorParameters::WEST )
 269                                                         SatLon = 360 - SatLon;
 270
 271                                                 eDebug("siteLatitude = %lf, siteLongitude = %lf, %lf degrees", SiteLat, SiteLon, SatLon );
 272                                                 double satHourAngle =
 273                                                         calcSatHourangle( SatLon, SiteLat, SiteLon );
 274                                                 eDebug("PolarmountHourAngle=%lf", satHourAngle );
 275
 276                                                 static int gotoXTable[10] =
 277                                                         { 0x00, 0x02, 0x03, 0x05, 0x06, 0x08, 0x0A, 0x0B, 0x0D, 0x0E };
 278
 279                                                 if (SiteLat >= 0) // Northern Hemisphere
 280                                                 {
 281                                                         int tmp=(int)round( fabs( 180 - satHourAngle ) * 10.0 );
 282                                                         RotorCmd = (tmp/10)*0x10 + gotoXTable[ tmp % 10 ];
 283
 284                                                         if (satHourAngle < 180) // the east
 285                                                                 RotorCmd |= 0xE000;
 286                                                         else                                    // west
 287                                                                 RotorCmd |= 0xD000;
 288                                                 }
 289                                                 else // Southern Hemisphere
 290                                                 {
 291                                                         if (satHourAngle < 180) // the east
 292                                                         {
 293                                                                 int tmp=(int)round( fabs( satHourAngle ) * 10.0 );
 294                                                                 RotorCmd = (tmp/10)*0x10 + gotoXTable[ tmp % 10 ];
 295                                                                 RotorCmd |= 0xD000;
 296                                                         }
 297                                                         else                                    // west
 298                                                         {
 299                                                                 int tmp=(int)round( fabs( 360 - satHourAngle ) * 10.0 );
 300                                                                 RotorCmd = (tmp/10)*0x10 + gotoXTable[ tmp % 10 ];
 301                                                                 RotorCmd |= 0xE000;
 302                                                         }
 303                                                 }
 304                                                 eDebug("RotorCmd = %04x", RotorCmd);
 305                                         }
 306                                         if ( RotorCmd != lastRotorCmd )
 307                                         {
 308                                                 eDVBDiseqcCommand diseqc;
 309                                                 diseqc.data[0] = 0xE0;
 310                                                 diseqc.data[1] = 0x31;          // positioner
 311                                                 if ( useGotoXX )
 312                                                 {
 313                                                         diseqc.len = 5;
 314                                                         diseqc.data[2] = 0x6E;  // drive to angular position
 315                                                         diseqc.data[3] = ((RotorCmd & 0xFF00) / 0x100);
 316                                                         diseqc.data[4] = RotorCmd & 0xFF;
 317                                                 }
 318                                                 else
 319                                                 {
 320                                                         diseqc.len = 4;
 321                                                         diseqc.data[2] = 0x6B;  // goto stored sat position
 322                                                         diseqc.data[3] = RotorCmd;
 323                                                 }
 324                                                 if ( rotor_param.m_inputpower_parameters.m_use )
 325                                                 { // use measure rotor input power to detect rotor state
 326                                                         sec_sequence.push_back( eSecCommand(eSecCommand::MEASURE_IDLE_INPUTPOWER) );
 327                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SEND_DISEQC, diseqc) );
 328                                                         frontend.setData(3, RotorCmd);
 329                                                         frontend.setData(4, sat.orbital_position);
 330                                                 }
 331                                                 else
 332                                                         eFatal("rotor turning without inputpowermeasure not implemented yet");
 333                                         }
 334                                 }
 335                         }
 336                         else
 337                         {
 338                                 sec_sequence.push_back( eSecCommand(eSecCommand::SET_VOLTAGE, voltage) );
 339                                 sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 10) );
 340                         }
 341
 342                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_TONE, tone) );
 343                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 15) );
 344
 345                         frontend.setSecSequence(sec_sequence);
 346
 347                         return 0;
 348                 }
 349         }
 350
 351         eDebug("not found satellite configuration for orbital position (%d)", sat.orbital_position );
 352
 353         return -1;
 354 }
 355