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         eDVBSatelliteDiseqcParameters &diseqc_ref = lnb_ref.m_diseqc_parameters;
  25         eDVBSatelliteParameters &astra1 = lnb_ref.m_satellites[192];
  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 = 0;
  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                 eDVBSatelliteDiseqcParameters &di_param = lnb_param.m_diseqc_parameters;
  52                 std::map<int, eDVBSatelliteParameters>::iterator sit =
  53                         lnb_param.m_satellites.find(sat.orbital_position);
  54                 if ( sit != lnb_param.m_satellites.end())
  55                 {
  56
  57                         eDVBSatelliteSwitchParameters &sw_param = sit->second.m_switch_parameters;
  58                         eDVBSatelliteRotorParameters &rotor_param = sit->second.m_rotor_parameters;
  59                         int hi=0,
  60                                 voltage = iDVBFrontend::voltageOff,
  61                                 tone = iDVBFrontend::toneOff,
  62                                 csw = di_param.m_committed_cmd,
  63                                 ucsw = di_param.m_uncommitted_cmd,
  64                                 toneburst = di_param.m_toneburst_param,
  65                                 lastcsw = -1,
  66                                 lastucsw = -1,
  67                                 lastToneburst = -1,
  68                                 lastRotorCmd = -1,
  69                                 curRotorPos = -1;
  70
  71                         frontend.getData(0, lastcsw);
  72                         frontend.getData(1, lastucsw);
  73                         frontend.getData(2, lastToneburst);
  74                         frontend.getData(5, lastRotorCmd);
  75                         frontend.getData(6, curRotorPos);
  76
  77                         if ( sat.frequency > lnb_param.m_lof_threshold )
  78                                 hi = 1;
  79
  80                         if (hi)
  81                                 parm.FREQUENCY = sat.frequency - lnb_param.m_lof_hi;
  82                         else
  83                                 parm.FREQUENCY = sat.frequency - lnb_param.m_lof_lo;
  84
  85                         parm.INVERSION = (!sat.inversion) ? INVERSION_ON : INVERSION_OFF;
  86
  87                         switch (sat.fec)
  88                         {
  89                                 default:
  90                                 case eDVBFrontendParametersSatellite::FEC::fNone:
  91                                         eDebug("no fec set.. assume auto");
  92                                 case eDVBFrontendParametersSatellite::FEC::fAuto:
  93                                         parm.u.qpsk.FEC_INNER = FEC_AUTO;
  94                                         break;
  95                                 case eDVBFrontendParametersSatellite::FEC::f1_2:
  96                                         parm.u.qpsk.FEC_INNER = FEC_1_2;
  97                                         break;
  98                                 case eDVBFrontendParametersSatellite::FEC::f2_3:
  99                                         parm.u.qpsk.FEC_INNER = FEC_2_3;
 100                                         break;
 101                                 case eDVBFrontendParametersSatellite::FEC::f3_4:
 102                                         parm.u.qpsk.FEC_INNER = FEC_3_4;
 103                                         break;
 104                                 case eDVBFrontendParametersSatellite::FEC::f5_6:
 105                                         parm.u.qpsk.FEC_INNER = FEC_5_6;
 106                                         break;
 107                                 case eDVBFrontendParametersSatellite::FEC::f7_8:
 108                                         parm.u.qpsk.FEC_INNER = FEC_7_8;
 109                                         break;
 110                         }
 111
 112                         parm.u.qpsk.SYMBOLRATE = sat.symbol_rate;
 113
 114                         if ( sw_param.m_voltage_mode == eDVBSatelliteSwitchParameters::_14V
 115                                 || ( sat.polarisation == eDVBFrontendParametersSatellite::Polarisation::Vertical
 116                                         && sw_param.m_voltage_mode == eDVBSatelliteSwitchParameters::HV )  )
 117                                 voltage = iDVBFrontend::voltage13;
 118                         else if ( sw_param.m_voltage_mode == eDVBSatelliteSwitchParameters::_18V
 119                                 || ( sat.polarisation == eDVBFrontendParametersSatellite::Polarisation::Horizontal
 120                                         && sw_param.m_voltage_mode == eDVBSatelliteSwitchParameters::HV )  )
 121                                 voltage = iDVBFrontend::voltage18;
 122
 123                         if ( (sw_param.m_22khz_signal == eDVBSatelliteSwitchParameters::ON)
 124                                 || ( sw_param.m_22khz_signal == eDVBSatelliteSwitchParameters::HILO && hi ) )
 125                                 tone = iDVBFrontend::toneOn;
 126                         else if ( (sw_param.m_22khz_signal == eDVBSatelliteSwitchParameters::OFF)
 127                                 || ( sw_param.m_22khz_signal == eDVBSatelliteSwitchParameters::HILO && !hi ) )
 128                                 tone = iDVBFrontend::toneOff;
 129
 130                         eSecCommandList sec_sequence;
 131                         bool setVoltage=true;
 132
 133                         if (di_param.m_diseqc_mode >= eDVBSatelliteDiseqcParameters::V1_0)
 134                         {
 135                                 if ( di_param.m_committed_cmd < eDVBSatelliteDiseqcParameters::SENDNO )
 136                                 {
 137                                         csw = 0xF0 | (csw << 2);
 138                                         if (hi)
 139                                                 csw |= 1;
 140                                         if (sat.polarisation == eDVBFrontendParametersSatellite::Polarisation::Horizontal)
 141                                                 csw |= 2;
 142                                 }
 143
 144                                 bool send_csw =
 145                                         (di_param.m_committed_cmd != eDVBSatelliteDiseqcParameters::SENDNO);
 146                                 bool changed_csw = send_csw && csw != lastcsw;
 147
 148                                 bool send_ucsw =
 149                                         (di_param.m_uncommitted_cmd && di_param.m_diseqc_mode > eDVBSatelliteDiseqcParameters::V1_0);
 150                                 bool changed_ucsw = send_ucsw && ucsw != lastucsw;
 151
 152                                 bool send_burst =
 153                                         (di_param.m_toneburst_param != eDVBSatelliteDiseqcParameters::NO);
 154                                 bool changed_burst = send_burst && toneburst != lastToneburst;
 155
 156                                 bool send_diseqc = changed_ucsw;
 157                                 if (!send_diseqc)
 158                                         send_diseqc = changed_burst && (send_ucsw || send_csw);
 159                                 if (!send_diseqc)
 160                                 {
 161                                         send_diseqc = changed_csw;
 162                                         if ( send_diseqc && di_param.m_use_fast && (csw & 0xF0) && (lastcsw & 0xF0) && ((csw / 4) == (lastcsw / 4)) )
 163                                                 send_diseqc = false;
 164                                 }
 165
 166                                 if ( send_diseqc || changed_burst )
 167                                 {
 168                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_TONE, iDVBFrontend::toneOff) );
 169                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_VOLTAGE, voltage) );
 170                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );  // standard says 15 msek here
 171                                         setVoltage=false;
 172                                 }
 173
 174                                 if ( send_diseqc )
 175                                 {
 176                                         int loops=0;
 177
 178                                         if ( send_csw )
 179                                                 ++loops;
 180                                         if ( send_ucsw )
 181                                                 ++loops;
 182
 183                                         for ( int i=0; i < di_param.m_repeats; ++i )
 184                                                 loops *= 2;
 185
 186                                         for ( int i = 0; i < loops;)  // fill commands...
 187                                         {
 188                                                 eDVBDiseqcCommand diseqc;
 189                                                 diseqc.len = 4;
 190                                                 diseqc.data[0] = i ? 0xE1 : 0xE0;
 191                                                 diseqc.data[1] = 0x10;
 192
 193                                                 if ( !send_csw || (di_param.m_swap_cmds && send_ucsw) )
 194                                                 {
 195                                                         diseqc.data[2] = 0x39;
 196                                                         diseqc.data[3] = ucsw;
 197                                                 }
 198                                                 else
 199                                                 {
 200                                                         diseqc.data[2] = 0x38;
 201                                                         diseqc.data[3] = csw;
 202                                                 }
 203                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SEND_DISEQC, diseqc) );
 204
 205                                                 i++;
 206                                                 if ( i < loops )
 207                                                 {
 208                                                         int cmd=0;
 209                                                         if (diseqc.data[2] == 0x38 && send_ucsw)
 210                                                                 cmd=0x39;
 211                                                         else if (diseqc.data[2] == 0x39 && send_csw)
 212                                                                 cmd=0x38;
 213                                                         if (cmd)
 214                                                         {
 215                                                                 static int delay = (120 - 54) / 2;  // standard says 100msek between two repeated commands
 216                                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, delay) );
 217                                                                 diseqc.data[2]=cmd;
 218                                                                 diseqc.data[3]=(cmd==0x38) ? csw : ucsw;
 219                                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SEND_DISEQC, diseqc) );
 220                                                                 ++i;
 221                                                                 if ( i < loops )
 222                                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, delay ) );
 223                                                                 else
 224                                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );
 225                                                         }
 226                                                         else  // delay 120msek when no command is in repeat gap
 227                                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 120) );
 228                                                 }
 229                                                 else
 230                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );
 231
 232                                                 frontend.setData(0, csw);
 233                                                 frontend.setData(1, ucsw);
 234                                         }
 235                                 }
 236                                 if ( (changed_burst || send_diseqc) && di_param.m_toneburst_param != eDVBSatelliteDiseqcParameters::NO )
 237                                 {
 238                                         sec_sequence.push_back( eSecCommand(eSecCommand::SEND_TONEBURST, di_param.m_toneburst_param) );
 239                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );
 240                                         frontend.setData(2, di_param.m_toneburst_param);
 241                                 }
 242                                 if ( di_param.m_diseqc_mode == eDVBSatelliteDiseqcParameters::V1_2 )
 243                                 {
 244                                         int RotorCmd=0;
 245                                         bool useGotoXX = false;
 246
 247                                         std::map<int,int,eDVBSatelliteRotorParameters::Orbital_Position_Compare>::iterator it =
 248                                                 rotor_param.m_rotor_position_table.find( sat.orbital_position );
 249
 250                                         if (it != rotor_param.m_rotor_position_table.end())  // position for selected sat found ?
 251                                                 RotorCmd=it->second;
 252                                         else  // entry not in table found
 253                                         {
 254                                                 eDebug("Entry for %d,%d° not in Rotor Table found... i try gotoXX°", sat.orbital_position / 10, sat.orbital_position % 10 );
 255                                                 useGotoXX = true;
 256
 257                                                 int satDir = sat.orbital_position < 0 ?
 258                                                         eDVBSatelliteRotorParameters::WEST :
 259                                                         eDVBSatelliteRotorParameters::EAST;
 260
 261                                                 double  SatLon = abs(sat.orbital_position)/10.00,
 262                                                                 SiteLat = rotor_param.m_gotoxx_parameters.m_latitude,
 263                                                                 SiteLon = rotor_param.m_gotoxx_parameters.m_longitude;
 264
 265                                                 if ( rotor_param.m_gotoxx_parameters.m_la_direction == eDVBSatelliteRotorParameters::SOUTH )
 266                                                         SiteLat = -SiteLat;
 267
 268                                                 if ( rotor_param.m_gotoxx_parameters.m_lo_direction == eDVBSatelliteRotorParameters::WEST )
 269                                                         SiteLon = 360 - SiteLon;
 270
 271                                                 if (satDir == eDVBSatelliteRotorParameters::WEST )
 272                                                         SatLon = 360 - SatLon;
 273
 274                                                 eDebug("siteLatitude = %lf, siteLongitude = %lf, %lf degrees", SiteLat, SiteLon, SatLon );
 275                                                 double satHourAngle =
 276                                                         calcSatHourangle( SatLon, SiteLat, SiteLon );
 277                                                 eDebug("PolarmountHourAngle=%lf", satHourAngle );
 278
 279                                                 static int gotoXTable[10] =
 280                                                         { 0x00, 0x02, 0x03, 0x05, 0x06, 0x08, 0x0A, 0x0B, 0x0D, 0x0E };
 281
 282                                                 if (SiteLat >= 0) // Northern Hemisphere
 283                                                 {
 284                                                         int tmp=(int)round( fabs( 180 - satHourAngle ) * 10.0 );
 285                                                         RotorCmd = (tmp/10)*0x10 + gotoXTable[ tmp % 10 ];
 286
 287                                                         if (satHourAngle < 180) // the east
 288                                                                 RotorCmd |= 0xE000;
 289                                                         else                                    // west
 290                                                                 RotorCmd |= 0xD000;
 291                                                 }
 292                                                 else // Southern Hemisphere
 293                                                 {
 294                                                         if (satHourAngle < 180) // the east
 295                                                         {
 296                                                                 int tmp=(int)round( fabs( satHourAngle ) * 10.0 );
 297                                                                 RotorCmd = (tmp/10)*0x10 + gotoXTable[ tmp % 10 ];
 298                                                                 RotorCmd |= 0xD000;
 299                                                         }
 300                                                         else                                    // west
 301                                                         {
 302                                                                 int tmp=(int)round( fabs( 360 - satHourAngle ) * 10.0 );
 303                                                                 RotorCmd = (tmp/10)*0x10 + gotoXTable[ tmp % 10 ];
 304                                                                 RotorCmd |= 0xE000;
 305                                                         }
 306                                                 }
 307                                                 eDebug("RotorCmd = %04x", RotorCmd);
 308                                         }
 309                                         if ( RotorCmd != lastRotorCmd )
 310                                         {
 311                                                 eDVBDiseqcCommand diseqc;
 312                                                 diseqc.data[0] = 0xE0;
 313                                                 diseqc.data[1] = 0x31;          // positioner
 314                                                 if ( useGotoXX )
 315                                                 {
 316                                                         diseqc.len = 5;
 317                                                         diseqc.data[2] = 0x6E;  // drive to angular position
 318                                                         diseqc.data[3] = ((RotorCmd & 0xFF00) / 0x100);
 319                                                         diseqc.data[4] = RotorCmd & 0xFF;
 320                                                 }
 321                                                 else
 322                                                 {
 323                                                         diseqc.len = 4;
 324                                                         diseqc.data[2] = 0x6B;  // goto stored sat position
 325                                                         diseqc.data[3] = RotorCmd;
 326                                                 }
 327                                                 if ( rotor_param.m_inputpower_parameters.m_use )
 328                                                 { // use measure rotor input power to detect rotor state
 329                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_VOLTAGE, iDVBFrontend::voltage18) ); // always turn with high voltage
 330                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 50) );  // wait 50sec after voltage change
 331                                                         sec_sequence.push_back( eSecCommand(eSecCommand::MEASURE_IDLE_INPUTPOWER) );
 332                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SEND_DISEQC, diseqc) );
 333                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_TIMEOUT, 8) );  // 2 seconds rotor start timout
 334                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 250) );
 335                                                         sec_sequence.push_back( eSecCommand(eSecCommand::MEASURE_RUNNING_INPUTPOWER) );
 336                                                         eSecCommand::rotor cmd;
 337                                                         cmd.direction=1;  // check for running rotor
 338                                                         cmd.deltaA=rotor_param.m_inputpower_parameters.m_threshold;
 339                                                         cmd.steps=+3;
 340                                                         cmd.okcount=0;
 341                                                         sec_sequence.push_back( eSecCommand(eSecCommand::IF_INPUTPOWER_DELTA_GOTO, cmd ) );
 342                                                         sec_sequence.push_back( eSecCommand(eSecCommand::IF_TIMEOUT_GOTO, +8 ) );
 343                                                         sec_sequence.push_back( eSecCommand(eSecCommand::GOTO, -4) );
 344                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_TIMEOUT, 240) );  // 1 minute running timeout
 345                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 250) );
 346                                                         sec_sequence.push_back( eSecCommand(eSecCommand::MEASURE_RUNNING_INPUTPOWER) );
 347                                                         cmd.direction=0;  // check for stopped rotor
 348                                                         sec_sequence.push_back( eSecCommand(eSecCommand::IF_INPUTPOWER_DELTA_GOTO, cmd ) );
 349                                                         sec_sequence.push_back( eSecCommand(eSecCommand::IF_TIMEOUT_GOTO, +2 ) );
 350                                                         sec_sequence.push_back( eSecCommand(eSecCommand::GOTO, -4) );
 351                                                         sec_sequence.push_back( eSecCommand(eSecCommand::UPDATE_CURRENT_ROTORPARAMS) );
 352                                                         frontend.setData(3, RotorCmd);
 353                                                         frontend.setData(4, sat.orbital_position);
 354                                                 }
 355                                                 else
 356                                                         eFatal("rotor turning without inputpowermeasure not implemented yet");
 357                                         }
 358                                 }
 359                         }
 360
 361                         if ( setVoltage )
 362                         {
 363                                 sec_sequence.push_back( eSecCommand(eSecCommand::SET_VOLTAGE, voltage) );
 364                                 sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 10) );
 365                         }
 366
 367                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_TONE, tone) );
 368                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 15) );
 369
 370                         frontend.setSecSequence(sec_sequence);
 371
 372                         return 0;
 373                 }
 374         }
 375
 376         eDebug("not found satellite configuration for orbital position (%d)", sat.orbital_position );
 377
 378         return -1;
 379 }
 380