+ ret = 30; // no rotor = prio 30
+ }
+ else
+ {
+ csw = band;
+ ret = 40; // no diseqc = prio 40
+ }
+
+ if (linked_to != -1) // check for linked tuners..
+ {
+ eDVBRegisteredFrontend *linked_fe = (eDVBRegisteredFrontend*) linked_to;
+ if (linked_fe->m_inuse)
+ {
+ int ocsw = -1,
+ oucsw = -1,
+ oToneburst = -1,
+ oRotorPos = -1;
+ linked_fe->m_frontend->getData(0, ocsw);
+ linked_fe->m_frontend->getData(1, oucsw);
+ linked_fe->m_frontend->getData(2, oToneburst);
+ linked_fe->m_frontend->getData(6, oRotorPos);
+#if 0
+ eDebug("compare csw %02x == lcsw %02x",
+ csw, ocsw);
+ if ( diseqc )
+ eDebug("compare ucsw %02x == lucsw %02x\ncompare toneburst %02x == oToneburst %02x",
+ ucsw, oucsw, toneburst, oToneburst);
+ if ( rotor )
+ eDebug("compare pos %d == current pos %d",
+ sat.orbital_position, oRotorPos);
+#endif
+ if ( (csw != ocsw) ||
+ ( diseqc && (ucsw != oucsw || toneburst != oToneburst) ) ||
+ ( rotor && oRotorPos != sat.orbital_position ) )
+ {
+// eDebug("can not tune this transponder with linked tuner in use!!");
+ ret=0;
+ }
+// else
+// eDebug("OK .. can tune this transponder with linked tuner in use :)");
+ }
+ }
+
+ if (satpos_depends_to != -1) // check for linked tuners..
+ {
+ eDVBRegisteredFrontend *satpos_depends_to_fe = (eDVBRegisteredFrontend*) satpos_depends_to;
+ if ( satpos_depends_to_fe->m_inuse )
+ {
+ int oRotorPos = -1;
+ satpos_depends_to_fe->m_frontend->getData(6, oRotorPos);
+ if (!rotor || oRotorPos != sat.orbital_position)
+ {
+// eDebug("can not tune this transponder ... rotor on other tuner is positioned to %d", oRotorPos);
+ ret=0;
+ }
+ }
+// else
+// eDebug("OK .. can tune this transponder satpos is correct :)");
+ }
+ if (ret)
+ {
+ static int lofs[] = { 3650000, 5150000, 9750000, 10600000 };
+ int lof = sat.frequency > lnb_param.m_lof_threshold ?
+ lnb_param.m_lof_hi : lnb_param.m_lof_lo;
+ int diff = 0x7FFFFFFF;
+ unsigned int num_lofs = sizeof(lofs) / sizeof(int);
+ int used_band = -1;
+ for (int i=0; i < num_lofs; ++i)
+ {
+ int lof_diff = abs(lof - lofs[i]);
+ if ( lof_diff < diff )
+ {
+ diff = lof_diff;
+ used_band = i;
+ }
+ }
+ if ( used_band != -1 )
+ {
+ if ( diff > 50000 )
+ {
+ eDebug("could not detect used lnb freq range .. disable range check !!!");
+ used_band = -1;
+ }
+ }
+ if ( used_band != -1 )
+ {
+ int range[2];
+ switch(used_band)
+ {
+ case 0: // s-band
+ range[0] = 2500000;
+ range[1] = 2700000;
+ break;
+ case 1: // c-band
+ range[0] = 3400000;
+ range[1] = 4200000;
+ break;
+ case 2: // ku-band low
+ range[0] = 10700000;
+ range[1] = 11750000;
+ break;
+ case 3: // ku-band high
+ range[0] = 11750000;
+ range[1] = 12750000;
+ break;
+ }
+ // check frequency in range ( +/- 75Mhz )
+ if ( (sat.frequency+75000) < range[0] )
+ ret=0;
+ if ( (sat.frequency-75000) > range[1] )
+ ret=0;
+ }