lib/dvb/sec.cpp

   1 #include <lib/dvb/sec.h>
   2 #include <linux/dvb/frontend.h>
   3 #include <lib/base/eerror.h>
   4
   5 DEFINE_REF(eDVBSatelliteEquipmentControl);
   6
   7 eDVBSatelliteEquipmentControl::eDVBSatelliteEquipmentControl()
   8 {
   9 }
  10
  11 RESULT eDVBSatelliteEquipmentControl::prepare(iDVBFrontend &frontend, struct dvb_frontend_parameters &parm, eDVBFrontendParametersSatellite &sat)
  12 {
  13         int hi;
  14         eDebug("(very) ugly and hardcoded eDVBSatelliteEquipmentControl");
  15
  16         if (sat.frequency > 11700000)
  17                 hi = 1;
  18         else
  19                 hi = 0;
  20
  21         if (hi)
  22                 parm.frequency = sat.frequency - 10600000;
  23         else
  24                 parm.frequency = sat.frequency -  9750000;
  25
  26 //      frontend.sentDiseqc(...);
  27
  28         parm.inversion = (!sat.inversion) ? INVERSION_ON : INVERSION_OFF;
  29
  30         switch (sat.fec)
  31         {
  32 //              case 1:
  33 //              case ...:
  34         default:
  35                 parm.u.qpsk.fec_inner = FEC_AUTO;
  36                 break;
  37         }
  38         parm.u.qpsk.symbol_rate = sat.symbol_rate;
  39
  40
  41         frontend.setVoltage((sat.polarisation == eDVBFrontendParametersSatellite::Polarisation::Vertical) ? iDVBFrontend::voltage13 : iDVBFrontend::voltage18);
  42
  43         eDVBDiseqcCommand diseqc;
  44
  45         diseqc.len = 4;
  46         diseqc.data[0] = 0xe0;
  47         diseqc.data[1] = 0x10;
  48         diseqc.data[2] = 0x38;
  49         diseqc.data[3] = 0xF0;
  50
  51         if (hi)
  52                 diseqc.data[3] |= 1;
  53
  54         if (sat.polarisation == eDVBFrontendParametersSatellite::Polarisation::Horizontal)
  55                 diseqc.data[3] |= 2;
  56
  57         frontend.sendDiseqc(diseqc);
  58         frontend.setTone(hi ? iDVBFrontend::toneOn : iDVBFrontend::toneOff);
  59
  60         return 0;
  61 }
  62