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Added FEC and Modulation type for DVB-S2X (Specified in ETSI EN 302 307-2)

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sorenhede
2019-06-13 22:18:19 +02:00
parent 040a1c58b6
commit ccc7069122
4 changed files with 134 additions and 3 deletions
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42
ddbridge/ddbridge-mci.c
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@@ -228,6 +228,35 @@ void ddb_mci_proc_info(struct mci *mci, struct dtv_frontend_properties *p)
ROLLOFF_35, ROLLOFF_25, ROLLOFF_20, ROLLOFF_10,
ROLLOFF_5, ROLLOFF_15, ROLLOFF_35, ROLLOFF_35
};
const enum fe_modulation modcod2modS2X[0x3D] = {
MODULATION_NONE, MODULATION_NONE, //2
QPSK, QPSK, QPSK, //3
APSK_8, APSK_8,APSK_8,APSK_8,APSK_8, //5
APSK_16,APSK_16,APSK_16,APSK_16,APSK_16,APSK_16,APSK_16,APSK_16,APSK_16,APSK_16,APSK_16,APSK_16,APSK_16,//13
APSK_32,MODULATION_NONE,APSK_32,APSK_32,APSK_32,//5
APSK_64, APSK_64, MODULATION_NONE, APSK_64,MODULATION_NONE, APSK_64,MODULATION_NONE ,APSK_64,//8
APSK_128, APSK_128,
APSK_256, APSK_256,APSK_256,APSK_256,APSK_256,APSK_256,
QPSK, QPSK,QPSK,QPSK,QPSK,QPSK,
PSK_8,PSK_8,PSK_8,PSK_8,
APSK_16,APSK_16,APSK_16,APSK_16,APSK_16,
APSK_32,APSK_32,
};
const enum fe_code_rate modcod2fecS2X[0x3D] = {
FEC_NONE, FEC_NONE, //2
FEC_13_45, FEC_9_20, FEC_11_20, //3
FEC_5_9_L, FEC_26_45_L, FEC_23_36, FEC_25_36, FEC_13_18, //5
FEC_1_2_L, FEC_8_15_L, FEC_5_9_L, FEC_26_45, FEC_3_5, FEC_3_5_L, FEC_28_45, FEC_23_36,FEC_2_3_L, FEC_25_36, FEC_13_18,FEC_7_9, FEC_77_90, //13
FEC_2_3_L, FEC_NONE, FEC_32_45, FEC_11_15, FEC_7_9,
FEC_32_45_L, FEC_11_15,FEC_NONE ,FEC_7_9, FEC_NONE, FEC_4_5, FEC_NONE, FEC_5_6, //8
FEC_3_4,FEC_7_9, FEC_29_45_L,FEC_2_3_L,FEC_31_45_L,FEC_32_45,FEC_11_15_L,
FEC_3_4,FEC_11_45,FEC_4_15,FEC_14_45,FEC_7_15,FEC_8_15,
FEC_32_45,FEC_7_15,FEC_8_15,FEC_26_45,FEC_32_45,FEC_7_15,
FEC_8_15,FEC_26_45,FEC_3_5,FEC_32_45,FEC_2_3,FEC_32_45,
};
p->frequency =
mci->signal_info.dvbs2_signal_info.frequency;
@@ -252,8 +281,17 @@ void ddb_mci_proc_info(struct mci *mci, struct dtv_frontend_properties *p)
ro_lut[mci->signal_info.
dvbs2_signal_info.roll_off & 7];
p->pilot = (pls_code & 1) ? PILOT_ON : PILOT_OFF;
p->fec_inner = modcod2fec[modcod];
p->modulation = modcod2mod[modcod];
if(modcod & 0x80) //DVB-S2X
{
uint8_t modcodS2X = (modcod & 0x7F) >> 1;
p->fec_inner = modcod2fecS2X[modcodS2X];
p->modulation = modcod2modS2X[modcodS2X];
}
else
{
p->fec_inner = modcod2fec[modcod];
p->modulation = modcod2mod[modcod];
}
p->transmission_mode = pls_code;
} else {
p->delivery_system = SYS_DVBS;