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(5, lastRotorCmd);
  74                         frontend.getData(6, 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                         bool setVoltage=true;
 131
 132                         if (di_param.m_diseqc_mode >= eDVBSatelliteDiseqcParameters::V1_0)
 133                         {
 134                                 if ( di_param.m_committed_cmd < eDVBSatelliteDiseqcParameters::SENDNO )
 135                                 {
 136                                         csw = 0xF0 | (csw << 2);
 137                                         if (hi)
 138                                                 csw |= 1;
 139                                         if (sat.polarisation == eDVBFrontendParametersSatellite::Polarisation::Horizontal)
 140                                                 csw |= 2;
 141                                 }
 142
 143                                 bool send_csw =
 144                                         (di_param.m_committed_cmd != eDVBSatelliteDiseqcParameters::SENDNO);
 145                                 bool changed_csw = send_csw && csw != lastcsw;
 146
 147                                 bool send_ucsw =
 148                                         (di_param.m_uncommitted_cmd && di_param.m_diseqc_mode > eDVBSatelliteDiseqcParameters::V1_0);
 149                                 bool changed_ucsw = send_ucsw && ucsw != lastucsw;
 150
 151                                 bool send_burst =
 152                                         (di_param.m_toneburst_param != eDVBSatelliteDiseqcParameters::NO);
 153                                 bool changed_burst = send_burst && toneburst != lastToneburst;
 154
 155                                 bool send_diseqc = changed_ucsw;
 156                                 if (!send_diseqc)
 157                                         send_diseqc = changed_burst && (send_ucsw || send_csw);
 158                                 if (!send_diseqc)
 159                                 {
 160                                         send_diseqc = changed_csw;
 161                                         if ( send_diseqc && di_param.m_use_fast && (csw & 0xF0) && (lastcsw & 0xF0) && ((csw / 4) == (lastcsw / 4)) )
 162                                                 send_diseqc = false;
 163                                 }
 164
 165                                 if ( send_diseqc || changed_burst )
 166                                 {
 167                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_TONE, iDVBFrontend::toneOff) );
 168                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_VOLTAGE, voltage) );
 169                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );  // standard says 15 msek here
 170                                         setVoltage=false;
 171                                 }
 172
 173                                 if ( send_diseqc )
 174                                 {
 175                                         int loops=0;
 176
 177                                         if ( send_csw )
 178                                                 ++loops;
 179                                         if ( send_ucsw )
 180                                                 ++loops;
 181
 182                                         for ( int i=0; i < di_param.m_repeats; ++i )
 183                                                 loops *= 2;
 184
 185                                         for ( int i = 0; i < loops;)  // fill commands...
 186                                         {
 187                                                 eDVBDiseqcCommand diseqc;
 188                                                 diseqc.len = 4;
 189                                                 diseqc.data[0] = i ? 0xE1 : 0xE0;
 190                                                 diseqc.data[1] = 0x10;
 191
 192                                                 if ( !send_csw || (di_param.m_swap_cmds && send_ucsw) )
 193                                                 {
 194                                                         diseqc.data[2] = 0x39;
 195                                                         diseqc.data[3] = ucsw;
 196                                                 }
 197                                                 else
 198                                                 {
 199                                                         diseqc.data[2] = 0x38;
 200                                                         diseqc.data[3] = csw;
 201                                                 }
 202                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SEND_DISEQC, diseqc) );
 203
 204                                                 i++;
 205                                                 if ( i < loops )
 206                                                 {
 207                                                         int cmd=0;
 208                                                         if (diseqc.data[2] == 0x38 && send_ucsw)
 209                                                                 cmd=0x39;
 210                                                         else if (diseqc.data[2] == 0x39 && send_csw)
 211                                                                 cmd=0x38;
 212                                                         if (cmd)
 213                                                         {
 214                                                                 static int delay = (120 - 54) / 2;  // standard says 100msek between two repeated commands
 215                                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, delay) );
 216                                                                 diseqc.data[2]=cmd;
 217                                                                 diseqc.data[3]=(cmd==0x38) ? csw : ucsw;
 218                                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SEND_DISEQC, diseqc) );
 219                                                                 ++i;
 220                                                                 if ( i < loops )
 221                                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, delay ) );
 222                                                                 else
 223                                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );
 224                                                         }
 225                                                         else  // delay 120msek when no command is in repeat gap
 226                                                                 sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 120) );
 227                                                 }
 228                                                 else
 229                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );
 230
 231                                                 frontend.setData(0, csw);
 232                                                 frontend.setData(1, ucsw);
 233                                         }
 234                                 }
 235                                 if ( (changed_burst || send_diseqc) && di_param.m_toneburst_param != eDVBSatelliteDiseqcParameters::NO )
 236                                 {
 237                                         sec_sequence.push_back( eSecCommand(eSecCommand::SEND_TONEBURST, di_param.m_toneburst_param) );
 238                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 30) );
 239                                         frontend.setData(2, di_param.m_toneburst_param);
 240                                 }
 241                                 if ( di_param.m_diseqc_mode == eDVBSatelliteDiseqcParameters::V1_2 )
 242                                 {
 243                                         int RotorCmd=0;
 244                                         bool useGotoXX = false;
 245
 246                                         std::map<int,int,eDVBSatelliteRotorParameters::Orbital_Position_Compare>::iterator it =
 247                                                 rotor_param.m_rotor_position_table.find( sat.orbital_position );
 248
 249                                         if (it != rotor_param.m_rotor_position_table.end())  // position for selected sat found ?
 250                                                 RotorCmd=it->second;
 251                                         else  // entry not in table found
 252                                         {
 253                                                 eDebug("Entry for %d,%d° not in Rotor Table found... i try gotoXX°", sat.orbital_position / 10, sat.orbital_position % 10 );
 254                                                 useGotoXX = true;
 255
 256                                                 int satDir = sat.orbital_position < 0 ?
 257                                                         eDVBSatelliteRotorParameters::WEST :
 258                                                         eDVBSatelliteRotorParameters::EAST;
 259
 260                                                 double  SatLon = abs(sat.orbital_position)/10.00,
 261                                                                 SiteLat = rotor_param.m_gotoxx_parameters.m_latitude,
 262                                                                 SiteLon = rotor_param.m_gotoxx_parameters.m_longitude;
 263
 264                                                 if ( rotor_param.m_gotoxx_parameters.m_la_direction == eDVBSatelliteRotorParameters::SOUTH )
 265                                                         SiteLat = -SiteLat;
 266
 267                                                 if ( rotor_param.m_gotoxx_parameters.m_lo_direction == eDVBSatelliteRotorParameters::WEST )
 268                                                         SiteLon = 360 - SiteLon;
 269
 270                                                 if (satDir == eDVBSatelliteRotorParameters::WEST )
 271                                                         SatLon = 360 - SatLon;
 272
 273                                                 eDebug("siteLatitude = %lf, siteLongitude = %lf, %lf degrees", SiteLat, SiteLon, SatLon );
 274                                                 double satHourAngle =
 275                                                         calcSatHourangle( SatLon, SiteLat, SiteLon );
 276                                                 eDebug("PolarmountHourAngle=%lf", satHourAngle );
 277
 278                                                 static int gotoXTable[10] =
 279                                                         { 0x00, 0x02, 0x03, 0x05, 0x06, 0x08, 0x0A, 0x0B, 0x0D, 0x0E };
 280
 281                                                 if (SiteLat >= 0) // Northern Hemisphere
 282                                                 {
 283                                                         int tmp=(int)round( fabs( 180 - satHourAngle ) * 10.0 );
 284                                                         RotorCmd = (tmp/10)*0x10 + gotoXTable[ tmp % 10 ];
 285
 286                                                         if (satHourAngle < 180) // the east
 287                                                                 RotorCmd |= 0xE000;
 288                                                         else                                    // west
 289                                                                 RotorCmd |= 0xD000;
 290                                                 }
 291                                                 else // Southern Hemisphere
 292                                                 {
 293                                                         if (satHourAngle < 180) // the east
 294                                                         {
 295                                                                 int tmp=(int)round( fabs( satHourAngle ) * 10.0 );
 296                                                                 RotorCmd = (tmp/10)*0x10 + gotoXTable[ tmp % 10 ];
 297                                                                 RotorCmd |= 0xD000;
 298                                                         }
 299                                                         else                                    // west
 300                                                         {
 301                                                                 int tmp=(int)round( fabs( 360 - satHourAngle ) * 10.0 );
 302                                                                 RotorCmd = (tmp/10)*0x10 + gotoXTable[ tmp % 10 ];
 303                                                                 RotorCmd |= 0xE000;
 304                                                         }
 305                                                 }
 306                                                 eDebug("RotorCmd = %04x", RotorCmd);
 307                                         }
 308                                         if ( RotorCmd != lastRotorCmd )
 309                                         {
 310                                                 eDVBDiseqcCommand diseqc;
 311                                                 diseqc.data[0] = 0xE0;
 312                                                 diseqc.data[1] = 0x31;          // positioner
 313                                                 if ( useGotoXX )
 314                                                 {
 315                                                         diseqc.len = 5;
 316                                                         diseqc.data[2] = 0x6E;  // drive to angular position
 317                                                         diseqc.data[3] = ((RotorCmd & 0xFF00) / 0x100);
 318                                                         diseqc.data[4] = RotorCmd & 0xFF;
 319                                                 }
 320                                                 else
 321                                                 {
 322                                                         diseqc.len = 4;
 323                                                         diseqc.data[2] = 0x6B;  // goto stored sat position
 324                                                         diseqc.data[3] = RotorCmd;
 325                                                 }
 326                                                 if ( rotor_param.m_inputpower_parameters.m_use )
 327                                                 { // use measure rotor input power to detect rotor state
 328                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_VOLTAGE, iDVBFrontend::voltage18) ); // always turn with high voltage
 329                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 50) );  // wait 50sec after voltage change
 330                                                         sec_sequence.push_back( eSecCommand(eSecCommand::MEASURE_IDLE_INPUTPOWER) );
 331                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SEND_DISEQC, diseqc) );
 332                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_TIMEOUT, 8) );  // 2 seconds rotor start timout
 333                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 250) );
 334                                                         sec_sequence.push_back( eSecCommand(eSecCommand::MEASURE_RUNNING_INPUTPOWER) );
 335                                                         eSecCommand::rotor cmd;
 336                                                         cmd.direction=1;  // check for running rotor
 337                                                         cmd.deltaA=rotor_param.m_inputpower_parameters.m_threshold;
 338                                                         cmd.steps=+3;
 339                                                         cmd.okcount=0;
 340                                                         sec_sequence.push_back( eSecCommand(eSecCommand::IF_INPUTPOWER_DELTA_GOTO, cmd ) );
 341                                                         sec_sequence.push_back( eSecCommand(eSecCommand::IF_TIMEOUT_GOTO, +8 ) );
 342                                                         sec_sequence.push_back( eSecCommand(eSecCommand::GOTO, -4) );
 343                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_TIMEOUT, 240) );  // 1 minute running timeout
 344                                                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 250) );
 345                                                         sec_sequence.push_back( eSecCommand(eSecCommand::MEASURE_RUNNING_INPUTPOWER) );
 346                                                         cmd.direction=0;  // check for stopped rotor
 347                                                         sec_sequence.push_back( eSecCommand(eSecCommand::IF_INPUTPOWER_DELTA_GOTO, cmd ) );
 348                                                         sec_sequence.push_back( eSecCommand(eSecCommand::IF_TIMEOUT_GOTO, +2 ) );
 349                                                         sec_sequence.push_back( eSecCommand(eSecCommand::GOTO, -4) );
 350                                                         sec_sequence.push_back( eSecCommand(eSecCommand::UPDATE_CURRENT_ROTORPARAMS) );
 351                                                         frontend.setData(3, RotorCmd);
 352                                                         frontend.setData(4, sat.orbital_position);
 353                                                 }
 354                                                 else
 355                                                         eFatal("rotor turning without inputpowermeasure not implemented yet");
 356                                         }
 357                                 }
 358                         }
 359
 360                         if ( setVoltage )
 361                         {
 362                                 sec_sequence.push_back( eSecCommand(eSecCommand::SET_VOLTAGE, voltage) );
 363                                 sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 10) );
 364                         }
 365
 366                         sec_sequence.push_back( eSecCommand(eSecCommand::SET_TONE, tone) );
 367                         sec_sequence.push_back( eSecCommand(eSecCommand::SLEEP, 15) );
 368
 369                         frontend.setSecSequence(sec_sequence);
 370
 371                         return 0;
 372                 }
 373         }
 374
 375         eDebug("not found satellite configuration for orbital position (%d)", sat.orbital_position );
 376
 377         return -1;
 378 }
 379