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