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dddvb/lib/src/dvb.c

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add libdddvb
2018-09-17 13:45:26 +02:00
#include "libdddvb.h"
#include "dddvb.h"
#include "tools.h"
#include "debug.h"
#include <linux/dvb/dmx.h>
#include <linux/dvb/frontend.h>
#include <linux/dvb/video.h>
#include <linux/dvb/net.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#define DTV_SCRAMBLING_SEQUENCE_INDEX 70
#define DTV_INPUT 71
#define SYS_DVBC2 19
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
/******************************************************************************/
static int set_property(int fd, uint32_t cmd, uint32_t data)
{
struct dtv_property p;
struct dtv_properties c;
int ret;
p.cmd = cmd;
c.num = 1;
c.props = &p;
p.u.data = data;
ret = ioctl(fd, FE_SET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_SET_PROPERTY returned %d\n", ret);
return -1;
}
return 0;
}
static int get_property(int fd, uint32_t cmd, uint32_t *data)
{
struct dtv_property p;
struct dtv_properties c;
int ret;
p.cmd = cmd;
c.num = 1;
c.props = &p;
ret = ioctl(fd, FE_GET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_GET_PROPERTY returned %d\n", ret);
return -1;
}
*data = p.u.data;
return 0;
}
static int get_stat(int fd, uint32_t cmd, struct dtv_fe_stats *stats)
{
struct dtv_property p;
struct dtv_properties c;
int ret;
p.cmd = cmd;
c.num = 1;
c.props = &p;
ret = ioctl(fd, FE_GET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_GET_PROPERTY returned %d\n", ret);
return -1;
}
memcpy(stats, &p.u.st, sizeof(struct dtv_fe_stats));
return 0;
}
add get_stat_num to get several stats at once
2019-08-01 21:44:29 +02:00
static int get_stat_num(int fd, uint32_t cmd, struct dtv_fe_stats *stats, int num)
{
struct dtv_property p;
struct dtv_properties c;
int ret;
p.cmd = cmd;
c.num = num;
c.props = &p;
ret = ioctl(fd, FE_GET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_GET_PROPERTY returned %d\n", ret);
return -1;
}
memcpy(stats, &p.u.st, num*sizeof(struct dtv_fe_stats));
return 0;
}
add libdddvb
2018-09-17 13:45:26 +02:00
static int set_fe_input(struct dddvb_fe *fe, uint32_t fr,
uint32_t sr, fe_delivery_system_t ds,
uint32_t input)
{
struct dtv_property p[] = {
{ .cmd = DTV_CLEAR },
{ .cmd = DTV_DELIVERY_SYSTEM, .u.data = ds },
{ .cmd = DTV_FREQUENCY, .u.data = fr },
{ .cmd = DTV_INVERSION, .u.data = INVERSION_AUTO },
{ .cmd = DTV_SYMBOL_RATE, .u.data = sr },
{ .cmd = DTV_INNER_FEC, .u.data = FEC_AUTO },
};
struct dtv_properties c;
int ret;
int fd = fe->fd;
if (fe->param.param[PARAM_FEC] != DDDVB_UNDEF)
p[5].u.data = fe->param.param[PARAM_FEC];
c.num = ARRAY_SIZE(p);
c.props = p;
ret = ioctl(fd, FE_SET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_SET_PROPERTY returned %d\n", ret);
return -1;
}
if (input != DDDVB_UNDEF)
set_property(fd, DTV_INPUT, input);
if (fe->param.param[PARAM_ISI] != DDDVB_UNDEF)
set_property(fd, DTV_STREAM_ID, fe->param.param[PARAM_ISI]);
add support to select higher S2/X modulation types
2019-11-04 19:07:28 +01:00
if (fe->param.param[PARAM_SSI] != DDDVB_UNDEF)
add libdddvb
2018-09-17 13:45:26 +02:00
set_property(fd, DTV_SCRAMBLING_SEQUENCE_INDEX,
add support to select higher S2/X modulation types
2019-11-04 19:07:28 +01:00
fe->param.param[PARAM_SSI]);
if (fe->param.param[PARAM_MTYPE] != DDDVB_UNDEF)
set_property(fd, DTV_MODULATION, fe->param.param[PARAM_MTYPE]);
add libdddvb
2018-09-17 13:45:26 +02:00
set_property(fd, DTV_TUNE, 0);
return 0;
}
static void diseqc_send_msg(int fd, fe_sec_voltage_t v,
struct dvb_diseqc_master_cmd *cmd,
fe_sec_tone_mode_t t, fe_sec_mini_cmd_t b,
int wait)
{
if (ioctl(fd, FE_SET_TONE, SEC_TONE_OFF) == -1)
perror("FE_SET_TONE failed");
if (ioctl(fd, FE_SET_VOLTAGE, v) == -1)
perror("FE_SET_VOLTAGE failed");
usleep(15 * 1000);
if (ioctl(fd, FE_DISEQC_SEND_MASTER_CMD, cmd) == -1)
perror("FE_DISEQC_SEND_MASTER_CMD failed");
usleep(wait * 1000);
usleep(15 * 1000);
if (ioctl(fd, FE_DISEQC_SEND_BURST, b) == -1)
perror("FE_DISEQC_SEND_BURST failed");
usleep(15 * 1000);
if (ioctl(fd, FE_SET_TONE, t) == -1)
perror("FE_SET_TONE failed");
}
static int diseqc(int fd, int sat, int hor, int band)
{
struct dvb_diseqc_master_cmd cmd = {
.msg = {0xe0, 0x10, 0x38, 0xf0, 0x00, 0x00},
.msg_len = 4
};
hor &= 1;
cmd.msg[3] = 0xf0 | ( ((sat << 2) & 0x0c) | (band ? 1 : 0) | (hor ? 2 : 0));
diseqc_send_msg(fd, hor ? SEC_VOLTAGE_18 : SEC_VOLTAGE_13,
&cmd, band ? SEC_TONE_ON : SEC_TONE_OFF,
(sat & 1) ? SEC_MINI_B : SEC_MINI_A, 0);
dbgprintf(DEBUG_DVB, "MS %02x %02x %02x %02x\n",
cmd.msg[0], cmd.msg[1], cmd.msg[2], cmd.msg[3]);
return 0;
}
static int set_en50494(struct dddvb_fe *fe, uint32_t freq, uint32_t sr,
int sat, int hor, int band,
uint32_t slot, uint32_t ubfreq,
fe_delivery_system_t ds)
{
struct dvb_diseqc_master_cmd cmd = {
.msg = {0xe0, 0x11, 0x5a, 0x00, 0x00},
.msg_len = 5
};
uint16_t t;
uint32_t input = 3 & (sat >> 6);
int fd = fe->fd;
t = (freq + ubfreq + 2) / 4 - 350;
hor &= 1;
cmd.msg[3] = ((t & 0x0300) >> 8) |
(slot << 5) | ((sat & 0x3f) ? 0x10 : 0) | (band ? 4 : 0) | (hor ? 8 : 0);
cmd.msg[4] = t & 0xff;
set_property(fd, DTV_INPUT, input);
if (ioctl(fd, FE_SET_TONE, SEC_TONE_OFF) == -1)
perror("FE_SET_TONE failed");
if (ioctl(fd, FE_SET_VOLTAGE, SEC_VOLTAGE_18) == -1)
perror("FE_SET_VOLTAGE failed");
usleep(15000);
if (ioctl(fd, FE_DISEQC_SEND_MASTER_CMD, &cmd) == -1)
perror("FE_DISEQC_SEND_MASTER_CMD failed");
usleep(15000);
if (ioctl(fd, FE_SET_VOLTAGE, SEC_VOLTAGE_13) == -1)
perror("FE_SET_VOLTAGE failed");
set_fe_input(fe, ubfreq * 1000, sr, ds, input);
dbgprintf(DEBUG_DVB, "EN50494 %02x %02x %02x %02x %02x\n",
cmd.msg[0], cmd.msg[1], cmd.msg[2], cmd.msg[3], cmd.msg[4]);
}
static int set_en50607(struct dddvb_fe *fe, uint32_t freq, uint32_t sr,
int sat, int hor, int band,
uint32_t slot, uint32_t ubfreq,
fe_delivery_system_t ds)
{
struct dvb_diseqc_master_cmd cmd = {
.msg = {0x70, 0x00, 0x00, 0x00, 0x00},
.msg_len = 4
};
uint32_t t = freq - 100;
uint32_t input = 3 & (sat >> 6);
int fd = fe->fd;
hor &= 1;
cmd.msg[1] = slot << 3;
cmd.msg[1] |= ((t >> 8) & 0x07);
cmd.msg[2] = (t & 0xff);
cmd.msg[3] = ((sat & 0x3f) << 2) | (hor ? 2 : 0) | (band ? 1 : 0);
set_property(fd, DTV_INPUT, input);
if (ioctl(fd, FE_SET_TONE, SEC_TONE_OFF) == -1)
perror("FE_SET_TONE failed");
if (ioctl(fd, FE_SET_VOLTAGE, SEC_VOLTAGE_18) == -1)
perror("FE_SET_VOLTAGE failed");
usleep(15000);
if (ioctl(fd, FE_DISEQC_SEND_MASTER_CMD, &cmd) == -1)
perror("FE_DISEQC_SEND_MASTER_CMD failed");
usleep(15000);
if (ioctl(fd, FE_SET_VOLTAGE, SEC_VOLTAGE_13) == -1)
perror("FE_SET_VOLTAGE failed");
set_fe_input(fe, ubfreq * 1000, sr, ds, input);
dbgprintf(DEBUG_DVB, "EN50607 %02x %02x %02x %02x\n",
cmd.msg[0], cmd.msg[1], cmd.msg[2], cmd.msg[3]);
dbgprintf(DEBUG_DVB, "EN50607 freq %u sr %u hor %u\n",
freq, sr, hor);
}
static int tune_sat(struct dddvb_fe *fe)
{
uint32_t freq, hi = 0, src, lnb = 0, lnbc = 0, lofs;
fe_delivery_system_t ds = fe->param.param[PARAM_MSYS];
freq = fe->param.param[PARAM_FREQ];
dbgprintf(DEBUG_DVB, "tune_sat freq=%u\n", freq);
if (fe->param.param[PARAM_SRC] != DDDVB_UNDEF)
lnb = fe->param.param[PARAM_SRC];
lnbc = lnb & (DDDVB_MAX_SOURCE - 1);
lofs = fe->lofs[lnbc];
#if 0
if (freq < 5000000) { //3400 - 4200 ->5150
lofs = 5150000;
if (freq > lofs)
freq -= lofs;
else
freq = lofs - freq;
} else if (freq > 19700000 && freq < 22000000) { //19700-22000 ->21200
lofs = 21200000;
if (freq > lofs)
freq -= lofs;
else
freq = lofs - freq;
add support to select higher S2/X modulation types
2019-11-04 19:07:28 +01:00
}
add libdddvb
2018-09-17 13:45:26 +02:00
#endif
add support to select higher S2/X modulation types
2019-11-04 19:07:28 +01:00
if (freq > 2100000) {
add libdddvb
2018-09-17 13:45:26 +02:00
if (lofs)
hi = (freq > lofs) ? 1 : 0;
if (hi)
freq -= fe->lof2[lnbc];
else
freq -= fe->lof1[lnbc];
}
dbgprintf(DEBUG_DVB, "tune_sat IF=%u\n", freq);
if (fe->first) {
fe->first = 0;
dbgprintf(DEBUG_DVB, "pre voltage %d\n", fe->prev_delay[lnbc]);
if (ioctl(fe->fd, FE_SET_VOLTAGE, SEC_VOLTAGE_13) == -1)
perror("FE_SET_VOLTAGE failed");
usleep(fe->prev_delay[lnbc]);
}
dbgprintf(DEBUG_DVB, "scif_type = %u\n", fe->scif_type);
if (fe->scif_type == 1) {
pthread_mutex_lock(&fe->dd->uni_lock);
set_en50494(fe, freq / 1000, fe->param.param[PARAM_SR],
lnb, fe->param.param[PARAM_POL], hi,
fe->scif_slot, fe->scif_freq, ds);
pthread_mutex_unlock(&fe->dd->uni_lock);
} else if (fe->scif_type == 2) {
pthread_mutex_lock(&fe->dd->uni_lock);
set_en50607(fe, freq / 1000, fe->param.param[PARAM_SR],
lnb, fe->param.param[PARAM_POL], hi,
fe->scif_slot, fe->scif_freq, ds);
pthread_mutex_unlock(&fe->dd->uni_lock);
} else {
//set_property(fe->fd, DTV_INPUT, 3 & (lnb >> 6));
diseqc(fe->fd, lnb, fe->param.param[PARAM_POL], hi);
set_fe_input(fe, freq, fe->param.param[PARAM_SR], ds, ~(0U));
}
}
static int tune_c(struct dddvb_fe *fe)
{
struct dtv_property p[] = {
{ .cmd = DTV_CLEAR },
{ .cmd = DTV_FREQUENCY, .u.data = fe->param.param[PARAM_FREQ] },
{ .cmd = DTV_BANDWIDTH_HZ, .u.data = (fe->param.param[PARAM_BW_HZ] != DDDVB_UNDEF) ?
fe->param.param[PARAM_BW_HZ] : 8000000 },
{ .cmd = DTV_SYMBOL_RATE, .u.data = fe->param.param[PARAM_SR] },
{ .cmd = DTV_INNER_FEC, .u.data = (fe->param.param[PARAM_FEC] != DDDVB_UNDEF) ?
fe->param.param[PARAM_FEC] : FEC_AUTO },
{ .cmd = DTV_MODULATION,
.u.data = (fe->param.param[PARAM_MTYPE] != DDDVB_UNDEF) ?
fe->param.param[PARAM_MTYPE] : QAM_AUTO },
{ .cmd = DTV_TUNE },
};
struct dtv_properties c;
int ret;
printf("tune_c()\n");
set_property(fe->fd, DTV_DELIVERY_SYSTEM, SYS_DVBC_ANNEX_A);
c.num = ARRAY_SIZE(p);
c.props = p;
ret = ioctl(fe->fd, FE_SET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_SET_PROPERTY returned %d\n", ret);
return -1;
}
return 0;
}
static int tune_cable(struct dddvb_fe *fe)
{
uint32_t freq;
struct dvb_frontend_parameters p = {
.frequency = fe->param.param[PARAM_FREQ] * 1000,
.u.qam.symbol_rate = fe->param.param[PARAM_SR],
.u.qam.fec_inner = (fe->param.param[PARAM_FEC] != DDDVB_UNDEF) ?
(fe->param.param[PARAM_FEC]) : FEC_AUTO,
.u.qam.modulation = fe->param.param[PARAM_MTYPE],
};
set_property(fe->fd, DTV_DELIVERY_SYSTEM, SYS_DVBC_ANNEX_A);
if (ioctl(fe->fd, FE_SET_FRONTEND, &p) == -1) {
perror("FE_SET_FRONTEND error");
return -1;
}
return 0;
}
static int tune_terr(struct dddvb_fe *fe)
{
struct dtv_property p[] = {
{ .cmd = DTV_CLEAR },
{ .cmd = DTV_FREQUENCY, .u.data = fe->param.param[PARAM_FREQ] * 1000 },
{ .cmd = DTV_BANDWIDTH_HZ, .u.data = fe->param.param[PARAM_BW_HZ] },
{ .cmd = DTV_TUNE },
};
struct dtv_properties c;
int ret;
set_property(fe->fd, DTV_DELIVERY_SYSTEM, SYS_DVBT);
c.num = ARRAY_SIZE(p);
c.props = p;
ret = ioctl(fe->fd, FE_SET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_SET_PROPERTY returned %d\n", ret);
return -1;
}
return 0;
}
#if 0
static int tune_terr(struct dddvb_fe *fe)
{
uint32_t freq;
enum fe_bandwidth bw;
struct dvb_frontend_parameters p = {
.frequency = fe->param.param[PARAM_FREQ] * 1000,
.inversion = INVERSION_AUTO,
.u.ofdm.code_rate_HP = FEC_AUTO,
.u.ofdm.code_rate_LP = FEC_AUTO,
.u.ofdm.constellation = fe->param.param[PARAM_MTYPE],
.u.ofdm.transmission_mode = TRANSMISSION_MODE_AUTO,
.u.ofdm.guard_interval = GUARD_INTERVAL_AUTO,
.u.ofdm.hierarchy_information = HIERARCHY_AUTO,
.u.ofdm.bandwidth = (fe->param.param[PARAM_BW] != DDDVB_UNDEF) ?
(fe->param.param[PARAM_BW]) : BANDWIDTH_AUTO,
};
set_property(fe->fd, DTV_DELIVERY_SYSTEM, SYS_DVBT);
if (ioctl(fe->fd, FE_SET_FRONTEND, &p) == -1) {
perror("FE_SET_FRONTEND error");
return -1;
}
return 0;
}
#endif
static int tune_c2(struct dddvb_fe *fe)
{
struct dtv_property p[] = {
{ .cmd = DTV_CLEAR },
{ .cmd = DTV_FREQUENCY, .u.data = fe->param.param[PARAM_FREQ] * 1000 },
{ .cmd = DTV_BANDWIDTH_HZ, .u.data = fe->param.param[PARAM_BW_HZ] },
{ .cmd = DTV_STREAM_ID, .u.data = fe->param.param[PARAM_PLP] },
{ .cmd = DTV_TUNE },
};
struct dtv_properties c;
int ret;
set_property(fe->fd, DTV_DELIVERY_SYSTEM, SYS_DVBC2);
c.num = ARRAY_SIZE(p);
c.props = p;
ret = ioctl(fe->fd, FE_SET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_SET_PROPERTY returned %d\n", ret);
return -1;
}
return 0;
}
static int tune_terr2(struct dddvb_fe *fe)
{
struct dtv_property p[] = {
{ .cmd = DTV_CLEAR },
{ .cmd = DTV_FREQUENCY, .u.data = fe->param.param[PARAM_FREQ] * 1000 },
{ .cmd = DTV_BANDWIDTH_HZ, .u.data = fe->param.param[PARAM_BW_HZ] },
{ .cmd = DTV_STREAM_ID, .u.data = fe->param.param[PARAM_PLP] },
{ .cmd = DTV_TUNE },
};
struct dtv_properties c;
int ret;
set_property(fe->fd, DTV_DELIVERY_SYSTEM, SYS_DVBT2);
c.num = ARRAY_SIZE(p);
c.props = p;
ret = ioctl(fe->fd, FE_SET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_SET_PROPERTY returned %d\n", ret);
return -1;
}
return 0;
}
static int tune_isdbt(struct dddvb_fe *fe)
{
struct dtv_property p[] = {
{ .cmd = DTV_CLEAR },
{ .cmd = DTV_FREQUENCY, .u.data = fe->param.param[PARAM_FREQ] * 1000 },
{ .cmd = DTV_BANDWIDTH_HZ, .u.data = fe->param.param[PARAM_BW_HZ] },
{ .cmd = DTV_TUNE },
};
struct dtv_properties c;
int ret;
set_property(fe->fd, DTV_DELIVERY_SYSTEM, SYS_ISDBT);
c.num = ARRAY_SIZE(p);
c.props = p;
ret = ioctl(fe->fd, FE_SET_PROPERTY, &c);
if (ret < 0) {
fprintf(stderr, "FE_SET_PROPERTY returned %d\n", ret);
return -1;
}
return 0;
}
static int tune(struct dddvb_fe *fe)
{
int ret;
printf("tune()\n");
add support to select higher S2/X modulation types
2019-11-04 19:07:28 +01:00
switch (fe->param.param[PARAM_MSYS]) {
add libdddvb
2018-09-17 13:45:26 +02:00
case SYS_DVBS:
case SYS_DVBS2:
ret = tune_sat(fe);
break;
case SYS_DVBC_ANNEX_A:
ret = tune_c(fe);
break;
case SYS_DVBT:
ret = tune_terr(fe);
break;
case SYS_DVBT2:
ret = tune_terr2(fe);
break;
case SYS_DVBC2:
ret = tune_c2(fe);
break;
case SYS_ISDBT:
ret = tune_isdbt(fe);
break;
default:
break;
}
return ret;
}
static int open_dmx(struct dddvb_fe *fe)
{
char fname[80];
struct dmx_pes_filter_params pesFilterParams;
sprintf(fname, "/dev/dvb/adapter%u/demux%u", fe->anum, fe->fnum);
fe->dmx = open(fname, O_RDWR);
if (fe->dmx < 0)
return -1;
pesFilterParams.input = DMX_IN_FRONTEND;
pesFilterParams.output = DMX_OUT_TS_TAP;
pesFilterParams.pes_type = DMX_PES_OTHER;
pesFilterParams.flags = DMX_IMMEDIATE_START;
pesFilterParams.pid = 0x2000;
if (ioctl(fe->dmx, DMX_SET_PES_FILTER, &pesFilterParams) < 0)
return -1;
return 0;
}
static int open_fe(struct dddvb_fe *fe)
{
char fname[80];
sprintf(fname, "/dev/dvb/adapter%d/frontend%d", fe->anum, fe->fnum);
fe->fd = open(fname, O_RDWR);
printf("open = %d\n", fe->fd);
if (fe->fd < 0)
return -1;
return 0;
}
add basic CI support and signal quality
2019-07-24 12:43:49 +02:00
#include "dvb_quality.c"
add libdddvb
2018-09-17 13:45:26 +02:00
static void get_stats(struct dddvb_fe *fe)
{
uint16_t sig = 0, snr = 0;
fe_status_t stat;
int64_t str, cnr;
int64_t val;
uint64_t uval;
struct dtv_fe_stats st;
ioctl(fe->fd, FE_READ_STATUS, &stat);
fe->stat = stat;
fe->lock = (stat == 0x1f) ? 1 : 0;
add basic CI support and signal quality
2019-07-24 12:43:49 +02:00
calc_lq(fe);
add libdddvb
2018-09-17 13:45:26 +02:00
if (!get_stat(fe->fd, DTV_STAT_SIGNAL_STRENGTH, &st)) {
fe->strength = str = st.stat[0].svalue;
dbgprintf(DEBUG_DVB, "fe%d: str=%lld.%03llddB\n",
fe->nr, str/1000, abs(str%1000));
}
if (!get_stat(fe->fd, DTV_STAT_CNR, &st)) {
fe->cnr = cnr = st.stat[0].svalue;
dbgprintf(DEBUG_DVB, "fe%d: cnr=%lld.%03llddB\n",
fe->nr, cnr/1000, abs(cnr%1000));
}
if (!get_stat(fe->fd, DTV_STAT_PRE_TOTAL_BIT_COUNT, &st) &&
(st.stat[0].scale == FE_SCALE_COUNTER)) {
uval = st.stat[0].uvalue;
dbgprintf(DEBUG_DVB, "fe%d: pre_total_bit_count = %08x\n",
fe->nr, (uint32_t)uval);
}
if (!get_stat(fe->fd, DTV_STAT_PRE_ERROR_BIT_COUNT, &st) &&
(st.stat[0].scale == FE_SCALE_COUNTER)) {
uval = st.stat[0].uvalue;
dbgprintf(DEBUG_DVB, "fe%d: pre_error_bit_count = %llu\n",
fe->nr, uval);
}
if (!get_stat(fe->fd, DTV_STAT_ERROR_BLOCK_COUNT, &st) &&
(st.stat[0].scale == FE_SCALE_COUNTER)) {
uval = st.stat[0].uvalue;
dbgprintf(DEBUG_DVB, "fe%d: error_block_count = %llu\n",
fe->nr, uval);
}
if (!get_stat(fe->fd, DTV_STAT_TOTAL_BLOCK_COUNT, &st) &&
(st.stat[0].scale == FE_SCALE_COUNTER)) {
uval = st.stat[0].uvalue;
dbgprintf(DEBUG_DVB, "fe%d: total_block_count = %llu\n",
fe->nr, uval);
}
}
void dddvb_fe_handle(struct dddvb_fe *fe)
{
uint32_t newtune, count = 0, max, nolock = 0;
int ret;
printf("fe_handle\n");
open_dmx(fe);
printf("fe_handle 2\n");
while (fe->state == 1) {
pthread_mutex_lock(&fe->mutex);
newtune = fe->n_tune;
if (newtune == 1) {
fe->n_tune = 0;
if (!memcmp(fe->param.param, fe->n_param.param, sizeof(fe->param.param))) {
dbgprintf(DEBUG_DVB, "same params\n");
fe->tune = 2;
count = 0;
nolock = 10;
max = 2;
} else {
memcpy(fe->param.param, fe->n_param.param, sizeof(fe->param.param));
fe->tune = 1;
}
}
pthread_mutex_unlock(&fe->mutex);
switch (fe->tune) {
case 1:
dbgprintf(DEBUG_DVB, "fe %d tune\n", fe->nr);
tune(fe);
nolock = 0;
count = 0;
max = 2;
dbgprintf(DEBUG_DVB, "fe %d tune done\n", fe->nr);
fe->tune = 2;
break;
case 2:
count++;
if (count < max)
break;
count = 0;
get_stats(fe);
if (fe->lock) {
max = 20;
nolock = 0;
} else {
max = 1;
nolock++;
if (nolock > 100)
fe->tune = 1;
}
break;
default:
break;
}
if (fe->state != 1)
break;
usleep(50000);
}
close(fe->fd);
if (fe->dmx > 0)
close(fe->dmx);
fe->fd = -1;
fe->dmx = -1;
fe->stat = fe->lock = fe->level = fe->quality = 0;
fe->state = 0;
dbgprintf(DEBUG_DVB, "fe %d done\n", fe->nr);
}
int dddvb_fe_start(struct dddvb_fe *fe)
{
fe->dmx = -1;
fe->tune = 0;
dddvb_param_init(&fe->param);
fe->first = 1;
if (open_fe(fe))
return -1;
return pthread_create(&fe->pt, NULL, (void *) dddvb_fe_handle, fe);
}
int dddvb_fe_tune(struct dddvb_fe *fe, struct dddvb_params *p)
{
int ret = 0;
dbgprintf(DEBUG_DVB, "dvb_tune\n");
pthread_mutex_lock(&fe->mutex);
memcpy(fe->n_param.param, p->param, sizeof(fe->n_param.param));
fe->n_tune = 1;
pthread_mutex_unlock(&fe->mutex);
return ret;
}
int dddvb_fe_get(struct dddvb_fe *fe, struct dddvb_params *p)
{
int ret = 0;
dbgprintf(DEBUG_DVB, "fe_get\n");
pthread_mutex_lock(&fe->mutex);
add support to select higher S2/X modulation types
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memcpy(p->param, fe->n_param.param, sizeof(fe->n_param.param));
add libdddvb
2018-09-17 13:45:26 +02:00
pthread_mutex_unlock(&fe->mutex);
return ret;
}
static int dddvb_fe_init(struct dddvb *dd, int a, int f, int fd)
{
struct dtv_properties dps;
struct dtv_property dp[10];
struct dddvb_fe *fe;
int r;
uint32_t i, ds;
fe = &dd->dvbfe[dd->dvbfe_num];
r = snprintf(fe->name, sizeof(fe->name), "/dev/dvb/adapter%d/frontend%d", a, f);
if (r >= sizeof(fe->name))
return -1;
dbgprintf(DEBUG_DVB, "fe_init a=%d f=%d name=%s\n", a, f, fe->name);
dps.num = 1;
dps.props = dp;
dp[0].cmd = DTV_ENUM_DELSYS;
r = ioctl(fd, FE_GET_PROPERTY, &dps);
if (r < 0)
return -1;
for (i = 0; i < dp[0].u.buffer.len; i++) {
ds = dp[0].u.buffer.data[i];
dbgprintf(DEBUG_DVB, "delivery system %d\n", ds);
fe->type |= (1UL << ds);
}
dbgprintf(DEBUG_DVB, "fe %d type = %08x\n", dd->dvbfe_num, fe->type);
if (!fe->type)
return -1;
fe->dd = dd;
fe->anum = a;
fe->fnum = f;
fe->nr = dd->dvbfe_num;
dps.num = 1;
dps.props = dp;
dp[0].cmd = DTV_INPUT;
r = ioctl(fd, FE_GET_PROPERTY, &dps);
if (r < 0)
return -1;
#if 0
for (i = 0; i < dp[0].u.buffer.len; i++) {
fe->input[i] = dp[0].u.buffer.data[i];
//dbgprintf(DEBUG_DVB, "input prop %u = %u\n", i, fe->input[i]);
}
if (fe->input[3]) {
dd->has_feswitch = 1;
if (!dd->scif_type && !msmode) {
if (fe->input[2] >= fe->input[1]) {
fe->type = 0;
return -1;
}
}
}
#endif
if (fe->type & (1UL << SYS_DVBS2))
dd->dvbs2num++;
if (fe->type & (1UL << SYS_DVBT2))
dd->dvbt2num++;
else if (fe->type & (1UL << SYS_DVBT))
dd->dvbtnum++;
if (fe->type & (1UL << SYS_DVBC2))
dd->dvbc2num++;
else if (fe->type & (1UL << SYS_DVBC_ANNEX_A))
dd->dvbcnum++;
dd->dvbfe_num++;
pthread_mutex_init(&fe->mutex, 0);
return 0;
}
static int scan_dvbfe(struct dddvb *dd)
{
int a, f, fd;
char fname[80];
for (a = 0; a < 16; a++) {
for (f = 0; f < 24; f++) {
sprintf(fname, "/dev/dvb/adapter%d/frontend%d", a, f);
fd = open(fname, O_RDONLY);
if (fd >= 0) {
dddvb_fe_init(dd, a, f, fd);
close(fd);
}
}
}
dbgprintf(DEBUG_DVB, "Found %d frontends\n", dd->dvbfe_num);
}
void scif_config(struct dddvb *dd, char *name, char *val)
{
if (!name || !val)
return;
if (!strncasecmp(name, "type", 4) &&
val[0] >= 0x30 && val[0] <= 0x32) {
dd->scif_type = val[0] - 0x30;
dbgprintf(DEBUG_DVB, "setting type = %d\n", dd->scif_type);
}
if (!strncasecmp(name, "tuner", 5) &&
name[5] >= 0x31 && name[5] <= 0x39) {
int fe = strtol(name + 5, NULL, 10 );
if (fe >= 0 && fe < DDDVB_MAX_DVB_FE) {
char *end;
unsigned long int nr = strtoul(val, &end, 10), freq = 0;
if (*end == ',') {
val = end + 1;
freq = strtoul(val, &end, 10);
if (val == end)
return;
}
fe--;
if (nr == 0)
dd->dvbfe[fe].scif_type = 0;
else {
dd->dvbfe[fe].scif_slot = nr - 1;
dd->dvbfe[fe].scif_freq = freq;
dd->dvbfe[fe].scif_type = dd->scif_type;
}
dbgprintf(DEBUG_DVB, "fe%d: type=%d, slot=%d, freq=%d\n", fe,
dd->dvbfe[fe].scif_type,
dd->dvbfe[fe].scif_slot,
dd->dvbfe[fe].scif_freq);
}
}
}
void set_lnb(struct dddvb *dd, int tuner,
uint32_t source, uint32_t lof1, uint32_t lof2, uint32_t lofs)
{
int i, j;
int i1 = 0, i2 = DDDVB_MAX_DVB_FE;
int j1 = 0, j2 = DDDVB_MAX_SOURCE;
if (tuner > DDDVB_MAX_DVB_FE)
return;
if (source > DDDVB_MAX_SOURCE)
return;
if (tuner) {
i1 = tuner - 1;
i2 = i1 + 1;
}
if (source) {
j1 = source - 1;
j2 = j1 + 1;
}
for (i = i1; i < i2; i++) {
struct dddvb_fe *fe = &dd->dvbfe[i];
for (j = j1; j < j2; j++) {
dbgprintf(DEBUG_DVB, "setting %d %d %u %u %u\n",
i, j, lof1, lof2, lofs);
fe->lof1[j] = lof1;
fe->lof2[j] = lof2;
fe->lofs[j] = lofs;
fe->prev_delay[j] = 250000;
}
}
}
void lnb_config(struct dddvb *dd, char *name, char *val)
{
static int lnb = -1;
static uint32_t lof1, lof2, lofs, tuner, source;
char *end;
if (!name || !val) {
if (lnb >= 0)
set_lnb(dd, tuner, source,
lof1 * 1000, lof2 * 1000, lofs * 1000);
lnb++;
tuner = source = lof1 = lof2 = lofs = 0;
return;
}
if (!strcasecmp(name, "tuner")) {
tuner = strtoul(val, &end, 10);
} else if (!strcasecmp(name, "source")) {
source = strtoul(val, &end, 10);
} else if (!strcasecmp(name, "lof1")) {
lof1 = strtoul(val, &end, 10);
} else if (!strcasecmp(name, "lof2")) {
lof2 = strtoul(val, &end, 10);
} else if (!strcasecmp(name, "lofs")) {
lofs = strtoul(val, &end, 10);
}
}
int dddvb_dvb_init(struct dddvb *dd)
{
pthread_mutex_init(&dd->uni_lock, 0);
scan_dvbfe(dd);
parse_config(dd, "", "scif", &scif_config);
set_lnb(dd, 0, 0, 9750000, 10600000, 11700000);
parse_config(dd, "", "LNB", &lnb_config);
add basic CI support and signal quality
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scan_dvbca(dd);
add libdddvb
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}
int dddvb_dvb_exit(struct dddvb *dd)
{
}
add support to select higher S2/X modulation types
2019-11-04 19:07:28 +01:00
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