return ber;
}
case signalQuality:
- {
- uint16_t snr=0;
- if (!m_simulate)
- {
- if (ioctl(m_fd, FE_READ_SNR, &snr) < 0 && errno != ERANGE)
- eDebug("FE_READ_SNR failed (%m)");
- }
- return snr;
- }
case signalQualitydB: /* this will move into the driver */
{
+ int sat_max = 1600; // for stv0288 / bsbe2
+ int ret = 0x12345678;
uint16_t snr=0;
if (m_simulate)
return 0;
if (ioctl(m_fd, FE_READ_SNR, &snr) < 0 && errno != ERANGE)
eDebug("FE_READ_SNR failed (%m)");
- if (!strcmp(m_description, "BCM4501 (internal)"))
+ else if (!strcmp(m_description, "BCM4501 (internal)"))
{
float SDS_SNRE = snr << 16;
float snr_in_db;
snr_in_db = fval1;
}
#endif
- return (int)(snr_in_db * 100);
+ sat_max = 1750;
+ ret = (int)(snr_in_db * 100);
}
else if (strstr(m_description, "Alps BSBE1 C01A") ||
!strcmp(m_description, "Alps -S(STV0288)"))
{
if (snr == 0)
- return 0;
+ ret = 0;
else if (snr == 0xFFFF) // i think this should not happen
- return 100*100;
+ ret = 100*100;
else
{
enum { REALVAL, REGVAL };
else
Imin = i;
}
- return (((regval - CN_lookup[Imin][REGVAL])
+ ret = (((regval - CN_lookup[Imin][REGVAL])
* (CN_lookup[Imax][REALVAL] - CN_lookup[Imin][REALVAL])
/ (CN_lookup[Imax][REGVAL] - CN_lookup[Imin][REGVAL]))
+ CN_lookup[Imin][REALVAL]) * 10;
}
- return 100;
+ else
+ ret = 100;
}
- return 0;
}
else if (!strcmp(m_description, "Alps BSBE1 702A") || // some frontends with STV0299
!strcmp(m_description, "Alps -S") ||
!strcmp(m_description, "Philips -S") ||
!strcmp(m_description, "LG -S") )
{
- return (int)((snr-39075)/17.647);
+ sat_max = 1500;
+ ret = (int)((snr-39075)/17.647);
} else if (!strcmp(m_description, "Alps BSBE2"))
{
- return (int)((snr >> 7) * 10);
+ ret = (int)((snr >> 7) * 10);
} else if (!strcmp(m_description, "Philips CU1216Mk3"))
{
int mse = (~snr) & 0xFF;
switch (parm_u_qam_modulation) {
- case QAM_16: return fe_udiv(1950000, (32 * mse) + 138) + 1000;
- case QAM_32: return fe_udiv(2150000, (40 * mse) + 500) + 1350;
- case QAM_64: return fe_udiv(2100000, (40 * mse) + 500) + 1250;
- case QAM_128: return fe_udiv(1850000, (38 * mse) + 400) + 1380;
- case QAM_256: return fe_udiv(1800000, (100 * mse) + 40) + 2030;
+ case QAM_16: ret = fe_udiv(1950000, (32 * mse) + 138) + 1000; break;
+ case QAM_32: ret = fe_udiv(2150000, (40 * mse) + 500) + 1350; break;
+ case QAM_64: ret = fe_udiv(2100000, (40 * mse) + 500) + 1250; break;
+ case QAM_128: ret = fe_udiv(1850000, (38 * mse) + 400) + 1380; break;
+ case QAM_256: ret = fe_udiv(1800000, (100 * mse) + 40) + 2030; break;
default: break;
}
- return 0;
} else if (!strcmp(m_description, "Philips TU1216"))
{
snr = 0xFF - (snr & 0xFF);
if (snr != 0)
- return 10 * (int)(-100 * (log10(snr) - log10(255)));
- return 0;
+ ret = 10 * (int)(-100 * (log10(snr) - log10(255)));
+ }
+
+ if (type == signalQuality)
+ {
+ if (ret == 0x12345678) // no snr db calculation avail.. return untouched snr value..
+ return snr;
+ switch(m_type)
+ {
+ case feSatellite:
+ return ret >= sat_max ? 65536 : ret * 65536 / sat_max;
+ case feCable: // we assume a max of 42db here
+ return ret >= 4200 ? 65536 : ret * 65536 / 4200;
+ case feTerrestrial: // we assume a max of 24db here
+ return ret >= 2400 ? 65536 : ret * 65536 / 2400;
+ }
}
/* else
eDebug("no SNR dB calculation for frontendtype %s yet", m_description); */
- return 0x12345678;
+ return ret;
}
case signalPower:
{
res = m_sec->prepare(*this, parm, feparm, 1 << m_slotid, tunetimeout);
if (!res)
{
+#if HAVE_DVB_API_VERSION >= 3
+ eDebugNoSimulate("prepare_sat System %d Freq %d Pol %d SR %d INV %d FEC %d orbpos %d system %d modulation %d pilot %d, rolloff %d",
+ feparm.system,
+ feparm.frequency,
+ feparm.polarisation,
+ feparm.symbol_rate,
+ feparm.inversion,
+ feparm.fec,
+ feparm.orbital_position,
+ feparm.system,
+ feparm.modulation,
+ feparm.pilot,
+ feparm.rolloff);
+#else
eDebugNoSimulate("prepare_sat System %d Freq %d Pol %d SR %d INV %d FEC %d orbpos %d",
feparm.system,
feparm.frequency,
feparm.inversion,
feparm.fec,
feparm.orbital_position);
+#endif
parm_u_qpsk_symbol_rate = feparm.symbol_rate;
switch (feparm.inversion)
{