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add more frontend statistics

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This commit is contained in:
Ralph Metzler 2018-06-29 12:48:12 +02:00
parent 32f46389be
commit f570b2e071
4 changed files with 148 additions and 9 deletions
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9
ddbridge/ddbridge-m4.c
View File

@ -388,6 +388,14 @@ static int get_algo(struct dvb_frontend *fe)
return DVBFE_ALGO_HW;
}
static int get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties *p)
{
struct m4 *state = fe->demodulator_priv;
ddb_mci_proc_info(&state->mci, p);
return 0;
}
static struct dvb_frontend_ops m4_ops = {
.delsys = { SYS_DVBC_ANNEX_A, SYS_DVBT, SYS_DVBT2, SYS_DVBC2, SYS_ISDBT,
SYS_DVBS, SYS_DVBS2, },
@ -411,6 +419,7 @@ static struct dvb_frontend_ops m4_ops = {
},
.release = release,
.get_frontend_algo = get_algo,
.get_frontend = get_frontend,
.read_status = read_status,
.tune = tune,
.sleep = sleep,

107
ddbridge/ddbridge-mci.c
View File

@ -195,6 +195,113 @@ int ddb_mci_get_info(struct mci *mci)
return stat;
}
/****************************************************************************/
/****************************************************************************/
void ddb_mci_proc_info(struct mci *mci, struct dtv_frontend_properties *p)
{
const enum fe_modulation modcod2mod[0x20] = {
QPSK, QPSK, QPSK, QPSK,
QPSK, QPSK, QPSK, QPSK,
QPSK, QPSK, QPSK, QPSK,
PSK_8, PSK_8, PSK_8, PSK_8,
PSK_8, PSK_8, APSK_16, APSK_16,
APSK_16, APSK_16, APSK_16, APSK_16,
APSK_32, APSK_32, APSK_32, APSK_32,
APSK_32,
};
const enum fe_code_rate modcod2fec[0x20] = {
FEC_NONE, FEC_1_4, FEC_1_3, FEC_2_5,
FEC_1_2, FEC_3_5, FEC_2_3, FEC_3_4,
FEC_4_5, FEC_5_6, FEC_8_9, FEC_9_10,
FEC_3_5, FEC_2_3, FEC_3_4, FEC_5_6,
FEC_8_9, FEC_9_10, FEC_2_3, FEC_3_4,
FEC_4_5, FEC_5_6, FEC_8_9, FEC_9_10,
FEC_3_4, FEC_4_5, FEC_5_6, FEC_8_9,
FEC_9_10, FEC_NONE, FEC_NONE, FEC_NONE,
};
const enum fe_code_rate dvbs_fec_lut[8] = {
FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6,
FEC_NONE, FEC_7_8, FEC_NONE, FEC_NONE,
};
const enum fe_rolloff ro_lut[8] = {
ROLLOFF_35, ROLLOFF_25, ROLLOFF_20, ROLLOFF_10,
ROLLOFF_5, ROLLOFF_15, ROLLOFF_35, ROLLOFF_35
};
p->frequency =
mci->signal_info.dvbs2_signal_info.frequency;
switch (p->delivery_system) {
default:
case SYS_DVBS:
case SYS_DVBS2:
{
u32 pls_code =
mci->signal_info.dvbs2_signal_info.pls_code;
p->frequency =
mci->signal_info.dvbs2_signal_info.frequency / 1000;
p->delivery_system =
(mci->signal_info.dvbs2_signal_info.standard == 2) ?
SYS_DVBS2 : SYS_DVBS;
if (mci->signal_info.dvbs2_signal_info.standard == 2) {
u32 modcod = (0x7c & pls_code) >> 2;
p->delivery_system = SYS_DVBS2;
p->rolloff =
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];
p->transmission_mode = pls_code;
} else {
p->delivery_system = SYS_DVBS;
p->rolloff = ROLLOFF_35;
p->pilot = PILOT_OFF;
p->fec_inner = dvbs_fec_lut[pls_code & 7];
p->modulation = QPSK;
}
break;
}
case SYS_DVBC_ANNEX_A:
break;
case SYS_DVBT:
break;
case SYS_DVBT2:
break;
case SYS_DVBC2:
break;
case SYS_ISDBT:
break;
}
p->pre_bit_error.len = 1;
p->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
p->pre_bit_error.stat[0].uvalue =
mci->signal_info.dvbs2_signal_info.ber_numerator;
p->pre_bit_count.len = 1;
p->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
p->pre_bit_count.stat[0].uvalue =
mci->signal_info.dvbs2_signal_info.ber_denominator;
p->block_error.len = 1;
p->block_error.stat[0].scale = FE_SCALE_COUNTER;
p->block_error.stat[0].uvalue =
mci->signal_info.dvbs2_signal_info.packet_errors;
p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
p->cnr.len = 1;
p->cnr.stat[0].scale = FE_SCALE_DECIBEL;
p->cnr.stat[0].svalue = (s64) mci->
signal_info.dvbs2_signal_info.signal_to_noise * 10;
p->strength.len = 1;
p->strength.stat[0].scale = FE_SCALE_DECIBEL;
p->strength.stat[0].svalue =
mci->signal_info.dvbs2_signal_info.channel_power * 10;
}
static void mci_handler(void *priv)
{
struct mci_base *base = (struct mci_base *)priv;

18
ddbridge/ddbridge-mci.h
View File

@ -245,19 +245,21 @@ struct mci_command {
} sx8_start_iq;
struct {
u8 flags; /* Bit 1:0 = STVVGLNA Gain. 0 = AGC, 1 = 0dB, 2 = Minimum, 3 = Maximum */
/* Bit 1:0 = STVVGLNA Gain. 0 = AGC, 1 = 0dB,
2 = Minimum, 3 = Maximum */
u8 flags;
} sx8_input_enable;
struct {
u8 Offset; // Offset into list, must be multiple of 64
u8 Select; // 0 = Slices, 1 = PLPs (C2 Only)
u8 DataSlice; // DataSlice to get PLPList (C2 Only)
} Get_IDs;
} get_ids;
struct {
u8 Select; // 0 = Base, 1 = DataSilce, 2 = PLP, Bit 7: Set new ID
u8 ID; // DataSliceID, PLPId
} Get_L1Info;
u8 select; // 0 = Base, 1 = DataSilce, 2 = PLP, Bit 7: Set new ID
u8 id; // DataSliceID, PLPId
} get_l1_info;
};
};
@ -343,7 +345,7 @@ struct mci_result {
u32 packet_errors; // Counter for packet errors. (set to 0 on Start command)
u32 ber_numerator; // Bit error rate: PreBCH
u32 ber_denominator;
} DVBC2_SignalInfo;
} dvbc2_signal_info;
struct {
u32 rsvd0;
@ -365,6 +367,7 @@ struct mci_result {
s16 i;
s16 q;
} iq_symbol;
struct {
u8 t2_l1_pre[37];
u8 t2_l1_post[15];
@ -539,5 +542,6 @@ int ddb_mci_get_status(struct mci *mci, struct mci_result *res);
int ddb_mci_get_snr(struct dvb_frontend *fe);
int ddb_mci_get_info(struct mci *mci);
int ddb_mci_get_strength(struct dvb_frontend *fe);
void ddb_mci_proc_info(struct mci *mci, struct dtv_frontend_properties *p);
#endif

23
ddbridge/ddbridge-sx8.c
View File

@ -111,6 +111,9 @@ static int read_status(struct dvb_frontend *fe, enum fe_status *status)
{
int stat;
struct sx8 *state = fe->demodulator_priv;
struct mci_base *mci_base = state->mci.base;
struct sx8_base *sx8_base = (struct sx8_base *) mci_base;
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct mci_result res;
stat = ddb_mci_get_status(&state->mci, &res);
@ -118,12 +121,18 @@ static int read_status(struct dvb_frontend *fe, enum fe_status *status)
return stat;
*status = 0x00;
ddb_mci_get_info(&state->mci);
ddb_mci_get_strength(fe);
if (res.status == SX8_DEMOD_WAIT_MATYPE)
*status = 0x0f;
if (res.status == SX8_DEMOD_LOCKED) {
*status = 0x1f;
ddb_mci_get_snr(fe);
if (state->mci.signal_info.dvbs2_signal_info.standard == 2) {
sx8_base->used_ldpc_bitrate[state->mci.nr] =
p->symbol_rate *
dvbs2_bits_per_symbol[
state->mci.signal_info.
dvbs2_signal_info.pls_code];
} else
sx8_base->used_ldpc_bitrate[state->mci.nr] = 0;
}
return stat;
}
@ -228,6 +237,7 @@ static int start(struct dvb_frontend *fe, u32 flags, u32 modmask, u32 ts_config)
if (sx8_base->demod_in_use[i])
used_demods++;
}
printk("used_ldpc_bitrate = %u\n", used_ldpc_bitrate);
if ((used_ldpc_bitrate >= MAX_LDPC_BITRATE) ||
((ts_config & SX8_TSCONFIG_MODE_MASK) >
SX8_TSCONFIG_MODE_NORMAL && used_demods > 0)) {
@ -450,6 +460,14 @@ static int sleep(struct dvb_frontend *fe)
return 0;
}
static int get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties *p)
{
struct sx8 *state = fe->demodulator_priv;
ddb_mci_proc_info(&state->mci, p);
return 0;
}
static struct dvb_frontend_ops sx8_ops = {
.delsys = { SYS_DVBS, SYS_DVBS2 },
.xbar = { 4, 0, 8 }, /* tuner_max, demod id, demod_max */
@ -468,6 +486,7 @@ static struct dvb_frontend_ops sx8_ops = {
FE_CAN_MULTISTREAM,
},
.get_frontend_algo = get_algo,
.get_frontend = get_frontend,
.tune = tune,
.release = release,
.read_status = read_status,