osmocom-analog/src/libmobile/main_mobile.c

893 lines
24 KiB
C

/* Common part for main.c of each base station type
*
* (C) 2016 by Andreas Eversberg <jolly@eversberg.eu>
* All Rights Reserved
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <sched.h>
#include <unistd.h>
#include <math.h>
#include <termios.h>
#include <errno.h>
#include "../libsample/sample.h"
#include "../liblogging/logging.h"
#include "sender.h"
#include <osmocom/core/timer.h>
#include <osmocom/core/select.h>
#include <osmocom/cc/endpoint.h>
#include "call.h"
#include "console.h"
#include "get_time.h"
#ifdef HAVE_SDR
#include "../libsdr/sdr.h"
#include "../libsdr/sdr_config.h"
#endif
#include "../liboptions/options.h"
#include "../libfm/fm.h"
#include "../libaaimage/aaimage.h"
#define DEFAULT_LO_OFFSET -1000000.0
static int got_init = 0;
/* common mobile settings */
int num_kanal = 0;
const char *kanal[MAX_SENDER];
int num_device = 0;
const char *dsp_device[MAX_SENDER] = { "hw:0,0" };
int allow_sdr = 1;
int use_sdr = 0;
int dsp_samplerate = 48000;
double dsp_interval = 1.0;
int dsp_buffer = 50;
static const char *call_device = "";
static int call_samplerate = 48000;
static int call_buffer = 50;
int uses_emphasis = 1;
int do_pre_emphasis = 0;
int do_de_emphasis = 0;
double rx_gain = 1.0;
double tx_gain = 1.0;
static int echo_test = 0;
static int use_osmocc_cross = 0;
static int use_osmocc_sock = 0;
#define MAX_CC_ARGS 1024
static int cc_argc = 0;
static const char *cc_argv[MAX_CC_ARGS];
int no_l16 = 0;
int send_patterns = 1;
static int release_on_disconnect = 1;
int loopback = 0;
int rt_prio = 0;
int fast_math = 0;
const char *write_tx_wave = NULL;
const char *write_rx_wave = NULL;
const char *read_tx_wave = NULL;
const char *read_rx_wave = NULL;
static const char *number_digits;
static const struct number_lengths *number_lengths;
static const char **number_prefixes;
const char *mobile_number_remove_prefix(const char *number)
{
size_t len;
int i, j;
if (!number_prefixes)
return number;
len = strlen(number);
for (i = 0; number_prefixes[i]; i++) {
/* skip different lengths */
if (len != strlen(number_prefixes[i]))
continue;
/* match prefix, stop at 'x' */
for (j = 0; number_prefixes[i][j]; j++) {
if (number_prefixes[i][j] == 'x')
break;
if (number_prefixes[i][j] != number[j])
break;
}
/* if prefix matches, return suffix */
if (number_prefixes[i][j] == 'x')
return number + j;
}
/* return number, if there is no prefix matching */
return number;
}
const char *mobile_number_check_length(const char *number)
{
size_t len;
int i;
static char invalid[256];
if (!number_lengths)
return NULL;
len = strlen(number);
for (i = 0; number_lengths[i].usage; i++) {
if ((int)len == number_lengths[i].digits)
break;
}
if (!number_lengths[i].usage) {
sprintf(invalid, "Number does not have");
for (i = 0; number_lengths[i].usage; i++) {
sprintf(strchr(invalid, '\0'), " %d", number_lengths[i].digits);
if (number_lengths[i + 1].usage) {
if (number_lengths[i + 2].usage)
strcat(invalid, ",");
else
strcat(invalid, " or");
}
}
sprintf(strchr(invalid, '\0'), " digits.");
return invalid;
}
return NULL;
}
const char *mobile_number_check_digits(const char *number)
{
int i;
static char invalid[256];
for (i = 0; number[i]; i++) {
if (!strchr(number_digits, number[i])) {
sprintf(invalid, "Digit #%d of number has digit '%c' which is not in the set of allowed digits. ('%s')\n", i + 1, number[i], number_digits);
return invalid;
}
}
return NULL;
}
const char *(*mobile_number_check_valid)(const char *);
void main_mobile_init(const char *digits, const struct number_lengths lengths[], const char *prefixes[], const char *(*check_valid)(const char *))
{
logging_init();
cc_argv[cc_argc++] = options_strdup("remote auto");
number_digits = digits;
number_lengths = lengths;
number_prefixes = prefixes;
mobile_number_check_valid = check_valid;
got_init = 1;
#ifdef HAVE_SDR
sdr_config_init(DEFAULT_LO_OFFSET);
#endif
}
void main_mobile_exit(void)
{
if (got_init) {
enable_limit_scroll(false);
printf("\n\n");
}
}
void main_mobile_set_number_check_valid(const char *(*check_valid)(const char *))
{
mobile_number_check_valid = check_valid;
}
/* ask if number is connect */
int main_mobile_number_ask(const char *number, const char *what)
{
const char *invalid;
if (!got_init) {
fprintf(stderr, "main_mobile_init was not called, please fix!\n");
abort();
}
number = mobile_number_remove_prefix(number);
invalid = mobile_number_check_length(number);
if (invalid) {
printf("Given %s '%s' has invalid length: %s\n", what, number, invalid);
return -EINVAL;
}
invalid = mobile_number_check_digits(number);
if (invalid) {
printf("Given %s '%s' has invalid digit: %s\n", what, number, invalid);
return -EINVAL;
}
if (mobile_number_check_valid) {
invalid = mobile_number_check_valid(number);
if (invalid) {
printf("Given %s '%s' is invalid for this network: %s\n", what, number, invalid);
return -EINVAL;
}
}
return 0;
}
void main_mobile_print_help(const char *arg0, const char *ext_usage)
{
printf("Usage: %s -k <kanal/channel> %s[options] [station_id]\n", arg0, ext_usage);
printf("\nGlobal options:\n");
/* - - */
printf(" -h --help\n");
printf(" This help\n");
printf(" --config [~/]<path to config file>\n");
printf(" Give a config file to use. If it starts with '~/', path is at home dir.\n");
printf(" Each line in config file is one option, '-' or '--' must not be given!\n");
printf(" Default: '%s'\n", selected_config_file);
printf(" --no-config\n");
printf(" Even if a config file exists, don't use it.\n");
logging_print_help();
printf(" -k --kanal <channel>\n");
printf(" -k --channel <channel>\n");
printf(" Channel (German = Kanal) number of \"Sender\" (German = Transceiver)\n");
printf(" -a --audio-device hw:<card>,<device>[/hw:<card>.<rec-device>]\n");
printf(" Sound card and device number (default = '%s')\n", dsp_device[0]);
printf(" You may specify a different recording device by using '/'.\n");
printf(" Don't set it for SDR!\n");
printf(" -s --samplerate <rate>\n");
printf(" Sample rate of sound device (default = '%d')\n", dsp_samplerate);
printf(" -i --interval 0.1..25\n");
printf(" Interval of processing loop in ms (default = '%.1f' ms)\n", dsp_interval);
printf(" Use 10 to drastically reduce CPU usage. In case of buffer underrun,\n");
printf(" increase buffer accordingly.\n");
printf(" -b --buffer <ms>\n");
printf(" How many milliseconds are processed in advance (default = '%d')\n", dsp_buffer);
printf(" A buffer below 10 ms requires low interval like 0.1 ms.\n");
if (uses_emphasis) {
printf(" -p --pre-emphasis\n");
printf(" Enable pre-emphasis, if you directly connect to the oscillator of the\n");
printf(" transmitter. (No pre-emphasis done by the transmitter.)\n");
printf(" -d --de-emphasis\n");
printf(" Enable de-emphasis, if you directly connect to the discriminator of\n");
printf(" the receiver. (No de-emphasis done by the receiver.)\n");
}
printf(" --rx-gain <dB>\n");
printf(" Raise/lower receiver's RX level by given gain in dB.\n");
printf(" (Works with sound card only.)\n");
printf(" --tx-gain <dB>\n");
printf(" Raise/lower transmitters's RX level by given gain in dB.\n");
printf(" (Works with sound card only.)\n");
printf(" -e --echo-test\n");
printf(" Use echo test, to send back audio from mobile phone's microphone to\n");
printf(" the speaker. (German: 'Blasprobe').\n");
printf(" -c --call-device hw:<card>,<device>[/hw:<card>.<rec-device>]\n");
printf(" Sound card and device number for headset (default = '%s')\n", call_device);
printf(" You may specify a different recording device by using '/'.\n");
printf(" --call-samplerate <rate>\n");
printf(" Sample rate of sound device for headset (default = '%d')\n", call_samplerate);
printf(" --call-buffer <ms>\n");
printf(" How many milliseconds are processed in advance (default = '%d')\n", call_buffer);
printf(" -x --osmocc-cross\n");
printf(" Enable built-in call forwarding between mobiles. Be sure to have\n");
printf(" at least one control channel and two voice channels. Alternatively\n");
printf(" use one combined control+voice channel and one voice channels.\n");
printf(" -o --osmocc-sock\n");
printf(" Disable built-in call control and offer socket\n");
printf(" --cc \"<osmo-cc arg>\" [--cc ...]\n");
printf(" Pass arguments to Osmo-CC endpoint. Use '-cc help' for description.\n");
printf(" --no-l16\n");
printf(" Disable L16 (linear 16 bit) codec.\n");
printf(" -t --tones 0 | 1\n");
printf(" Connect call on setup/release to provide classic tones towards fixed\n");
printf(" network (default = '%d')\n", send_patterns);
printf(" -l --loopback <type>\n");
printf(" Loopback test: 1 = internal | 2 = external | 3 = echo\n");
printf(" -r --realtime <prio>\n");
printf(" Set prio: 0 to disable, 99 for maximum (default = %d)\n", rt_prio);
printf(" --fast-math\n");
printf(" Use fast math approximation for slow CPU / ARM based systems.\n");
printf(" --write-rx-wave <file>\n");
printf(" Write received audio to given wave file.\n");
printf(" --write-tx-wave <file>\n");
printf(" Write transmitted audio to given wave file.\n");
printf(" --read-rx-wave <file>\n");
printf(" Replace received audio by given wave file.\n");
printf(" --read-tx-wave <file>\n");
printf(" Replace transmitted audio by given wave file.\n");
#ifdef HAVE_SDR
if (allow_sdr) {
printf(" --limesdr\n");
printf(" Auto-select several required options for LimeSDR\n");
printf(" --limesdr-mini\n");
printf(" Auto-select several required options for LimeSDR Mini\n");
sdr_config_print_help();
}
#endif
printf("\nNetwork specific options:\n");
}
void main_mobile_print_station_id(void)
{
int i;
if (!number_lengths)
return;
printf("\nstation_id: Give");
for (i = 0; number_lengths[i].usage; i++) {
printf(" %d", number_lengths[i].digits);
if (number_lengths[i + 1].usage) {
if (number_lengths[i + 2].usage)
printf(",");
else
printf(" or");
}
}
printf(" digits of station ID,\n");
printf(" so you don't need to enter it for every start of this application.\n");
for (i = 0; number_lengths[i].usage; i++)
printf(" Give %d digits for %s.\n", number_lengths[i].digits, number_lengths[i].usage);
if (number_prefixes) {
for (i = 0; number_prefixes[i]; i++)
printf(" You may use '%s' as prefix.\n", number_prefixes[i]);
}
}
void main_mobile_print_hotkeys(void)
{
printf("\n");
printf("Press digits '0'..'9' and then 'd' key to dial towards mobile station.\n");
printf("Press 'h' key to hangup.\n");
printf("Press 'w' key to toggle display of RX wave form.\n");
printf("Press 'c' key to toggle display of channel status.\n");
printf("Press 'm' key to toggle display of measurement value.\n");
#ifdef HAVE_SDR
if (allow_sdr) {
sdr_config_print_hotkeys();
}
#endif
}
#define OPT_CHANNEL 1000
#define OPT_RX_GAIN 1001
#define OPT_TX_GAIN 1002
#define OPT_OSMO_CC 1003
#define OPT_WRITE_RX_WAVE 1004
#define OPT_WRITE_TX_WAVE 1005
#define OPT_READ_RX_WAVE 1006
#define OPT_READ_TX_WAVE 1007
#define OPT_CALL_SAMPLERATE 1008
#define OPT_CALL_BUFFER 1009
#define OPT_FAST_MATH 1010
#define OPT_NO_L16 1011
#define OPT_LIMESDR 1100
#define OPT_LIMESDR_MINI 1101
void main_mobile_add_options(void)
{
option_add('h', "help", 0);
option_add('v', "verbose", 1);
option_add('k', "kanal", 1);
option_add(OPT_CHANNEL, "channel", 1);
option_add('a', "audio-device", 1);
option_add('s', "samplerate", 1);
option_add('i', "interval", 1);
option_add('b', "buffer", 1);
option_add('p', "pre-emphasis", 0);
option_add('d', "de-emphasis", 0);
option_add(OPT_RX_GAIN, "rx-gain", 1);
option_add(OPT_TX_GAIN, "tx-gain", 1);
option_add('e', "echo-test", 0);
option_add('x', "osmocc-cross", 0);
option_add('o', "osmocc-sock", 0);
option_add(OPT_OSMO_CC, "cc", 1);
option_add(OPT_NO_L16, "no-l16", 0);
option_add('c', "call-device", 1);
option_add(OPT_CALL_SAMPLERATE, "call-samplerate", 1);
option_add(OPT_CALL_BUFFER, "call-buffer", 1);
option_add('t', "tones", 1);
option_add('l', "loopback", 1);
option_add('r', "realtime", 1);
option_add(OPT_FAST_MATH, "fast-math", 0);
option_add(OPT_WRITE_RX_WAVE, "write-rx-wave", 1);
option_add(OPT_WRITE_TX_WAVE, "write-tx-wave", 1);
option_add(OPT_READ_RX_WAVE, "read-rx-wave", 1);
option_add(OPT_READ_TX_WAVE, "read-tx-wave", 1);
#ifdef HAVE_SDR
option_add(OPT_LIMESDR, "limesdr", 0);
option_add(OPT_LIMESDR_MINI, "limesdr-mini", 0);
sdr_config_add_options();
#endif
};
int main_mobile_handle_options(int short_option, int argi, char **argv)
{
double gain_db;
int rc;
switch (short_option) {
case 'h':
print_help(argv[0]);
return 0;
case 'v':
rc = parse_logging_opt(argv[argi]);
if (rc > 0)
return 0;
if (rc < 0) {
fprintf(stderr, "Failed to parse logging option, please use -h for help.\n");
return rc;
}
break;
case 'k':
case OPT_CHANNEL:
OPT_ARRAY(num_kanal, kanal, argv[argi])
break;
case 'a':
OPT_ARRAY(num_device, dsp_device, options_strdup(argv[argi]))
break;
case 's':
dsp_samplerate = atoi(argv[argi]);
break;
case 'i':
dsp_interval = atof(argv[argi]);
if (dsp_interval < 0.1)
dsp_interval = 0.1;
if (dsp_interval > 10)
dsp_interval = 10;
break;
case 'b':
dsp_buffer = atoi(argv[argi]);
break;
case 'p':
if (!uses_emphasis) {
no_emph:
fprintf(stderr, "This network does not use emphasis, please do not enable pre- or de-emphasis! Disable emphasis on transceiver, if possible.\n");
return -EINVAL;
}
do_pre_emphasis = 1;
break;
case 'd':
if (!uses_emphasis)
goto no_emph;
do_de_emphasis = 1;
break;
case OPT_RX_GAIN:
gain_db = atof(argv[argi]);
rx_gain = pow(10, gain_db / 20.0);
break;
case OPT_TX_GAIN:
gain_db = atof(argv[argi]);
tx_gain = pow(10, gain_db / 20.0);
break;
case 'e':
echo_test = 1;
break;
case 'x':
use_osmocc_cross = 1;
break;
case 'o':
use_osmocc_sock = 1;
break;
case OPT_OSMO_CC:
if (!strcasecmp(argv[argi], "help")) {
osmo_cc_help();
return 0;
}
if (cc_argc == MAX_CC_ARGS) {
fprintf(stderr, "Too many osmo-cc args!\n");
break;
}
cc_argv[cc_argc++] = options_strdup(argv[argi]);
break;
case OPT_NO_L16:
no_l16 = 1;
break;
case 'c':
call_device = options_strdup(argv[argi]);
break;
case OPT_CALL_SAMPLERATE:
call_samplerate = atoi(argv[argi]);
break;
case OPT_CALL_BUFFER:
call_buffer = atoi(argv[argi]);
break;
case 't':
send_patterns = atoi(argv[argi]);
break;
case 'l':
loopback = atoi(argv[argi]);
break;
case 'r':
rt_prio = atoi(argv[argi]);
break;
case OPT_FAST_MATH:
fast_math = 1;
break;
case OPT_WRITE_RX_WAVE:
write_rx_wave = options_strdup(argv[argi]);
break;
case OPT_WRITE_TX_WAVE:
write_tx_wave = options_strdup(argv[argi]);
break;
case OPT_READ_RX_WAVE:
read_rx_wave = options_strdup(argv[argi]);
break;
case OPT_READ_TX_WAVE:
read_tx_wave = options_strdup(argv[argi]);
break;
#ifdef HAVE_SDR
case OPT_LIMESDR:
if (allow_sdr) {
char *argv_lime[] = { argv[0],
"--sdr-soapy",
"--sdr-device-args", "driver=lime",
"--sdr-rx-antenna", "LNAL",
"--sdr-rx-gain", "30",
"--sdr-tx-gain", "30",
"--sdr-samplerate", "5000000",
"--sdr-bandwidth", "15000000",
"-s", "200000",
};
int argc_lime = sizeof(argv_lime) / sizeof (*argv_lime);
return options_command_line(argc_lime, argv_lime, main_mobile_handle_options);
}
break;
case OPT_LIMESDR_MINI:
if (allow_sdr) {
char *argv_lime[] = { argv[0],
"--sdr-soapy",
"--sdr-device-args", "driver=lime",
"--sdr-rx-antenna", "LNAW",
"--sdr-tx-antenna", "BAND2",
"--sdr-rx-gain", "25",
"--sdr-tx-gain", "30",
"--sdr-samplerate", "5000000",
"--sdr-bandwidth", "15000000",
"-s", "200000",
};
int argc_lime = sizeof(argv_lime) / sizeof (*argv_lime);
return options_command_line(argc_lime, argv_lime, main_mobile_handle_options);
}
break;
#endif
default:
#ifdef HAVE_SDR
if (allow_sdr)
return sdr_config_handle_options(short_option, argi, argv);
#endif
return -EINVAL;
}
return 1;
}
/* global variable to quit main loop */
int quit = 0;
void sighandler(int sigset)
{
if (sigset == SIGHUP)
return;
if (sigset == SIGPIPE)
return;
printf("Signal received: %d\n", sigset);
quit = 1;
}
static int get_char()
{
struct timeval tv = {0, 0};
fd_set fds;
char c = 0;
int __attribute__((__unused__)) rc;
FD_ZERO(&fds);
FD_SET(0, &fds);
select(0+1, &fds, NULL, NULL, &tv);
if (FD_ISSET(0, &fds)) {
rc = read(0, &c, 1);
return c;
} else
return -1;
}
/* Loop through all transceiver instances of one network. */
void main_mobile_loop(const char *name, int *quit, void (*myhandler)(void), const char *station_id)
{
int buffer_size;
sender_t *sender;
double last_time_call = 0, begin_time, now, sleep;
struct termios term, term_orig;
int num_chan, i;
int c;
int rc;
if (!got_init) {
fprintf(stderr, "main_mobile_init was not called, please fix!\n");
abort();
}
/* station id preset */
if (station_id)
station_id = mobile_number_remove_prefix(station_id);
/* size of dsp buffer in samples */
buffer_size = dsp_samplerate * dsp_buffer / 1000;
/* check OSMO-CC support */
if (use_osmocc_cross && num_kanal == 1) {
fprintf(stderr, "You selected built-in call forwarding, but only channel is used. Does this makes sense?\n");
return;
}
if (use_osmocc_sock && use_osmocc_cross) {
fprintf(stderr, "You selected OSMO-CC socket interface and built-in call forwarding, but only one can be selected.\n");
return;
}
if (echo_test && call_device[0]) {
fprintf(stderr, "You selected call device (headset) and echo test, but only one can be selected.\n");
return;
}
if (use_osmocc_sock && call_device[0]) {
fprintf(stderr, "You selected OSMO-CC socket interface, but it cannot be used with call device (headset).\n");
return;
}
if (use_osmocc_cross && call_device[0]) {
fprintf(stderr, "You selected built-in call forwarding, but it cannot be used with call device (headset).\n");
return;
}
if (use_osmocc_sock && echo_test) {
fprintf(stderr, "You selected OSMO-CC socket interface, but it cannot be used with echo test.\n");
return;
}
if (use_osmocc_cross && echo_test) {
fprintf(stderr, "You selected built-in call forwarding, but it cannot be used with echo test.\n");
return;
}
/* OSMO-CC crossover */
if (use_osmocc_cross) {
use_osmocc_sock = 1;
cc_argc = 0;
cc_argv[cc_argc++] = options_strdup("local 127.0.0.1:4200");
cc_argv[cc_argc++] = options_strdup("remote 127.0.0.1:4200");
}
/* init OSMO-CC */
if (!use_osmocc_sock)
console_init(call_device, call_samplerate, call_buffer, loopback, echo_test, number_digits, number_lengths, station_id);
/* init call control instance */
rc = call_init(name, (use_osmocc_sock) ? send_patterns : 0, release_on_disconnect, use_osmocc_sock, cc_argc, cc_argv, no_l16);
if (rc < 0) {
fprintf(stderr, "Failed to create call control instance. Quitting!\n");
return;
}
#ifdef HAVE_SDR
rc = sdr_configure(dsp_samplerate);
if (rc < 0)
return;
#endif
/* open audio */
if (sender_open_audio(buffer_size, dsp_interval))
return;
if (console_open_audio(buffer_size, dsp_interval))
return;
/* alloc memory for audio processing */
for (num_chan = 0, sender = sender_head; sender; num_chan++, sender = sender->next);
sample_t *samples[num_chan];
uint8_t *powers[num_chan];
for (i = 0; i < num_chan; i++) {
samples[i] = calloc(buffer_size, sizeof(**samples));
powers[i] = calloc(buffer_size, sizeof(**powers));
}
/* real time priority */
if (rt_prio > 0) {
struct sched_param schedp;
int rc;
memset(&schedp, 0, sizeof(schedp));
schedp.sched_priority = rt_prio;
rc = sched_setscheduler(0, SCHED_RR, &schedp);
if (rc) {
fprintf(stderr, "Error setting SCHED_RR with prio %d\n", rt_prio);
return;
}
}
if (!loopback)
print_aaimage();
/* prepare terminal */
tcgetattr(0, &term_orig);
term = term_orig;
term.c_lflag &= ~(ISIG|ICANON|ECHO);
term.c_cc[VMIN]=1;
term.c_cc[VTIME]=2;
tcsetattr(0, TCSANOW, &term);
/* catch signals */
signal(SIGINT, sighandler);
signal(SIGHUP, sighandler);
signal(SIGTERM, sighandler);
signal(SIGPIPE, sighandler);
/* start streaming */
if (sender_start_audio())
*quit = 1;
if (console_start_audio())
*quit = 1;
while(!(*quit)) {
int work;
begin_time = get_time();
/* process sound of all transceivers */
for (sender = sender_head; sender; sender = sender->next) {
/* do not process audio for an audio slave, since it is done by audio master */
if (sender->master) /* if master is set, we are an audio slave */
continue;
process_sender_audio(sender, quit, samples, powers, buffer_size);
}
/* process audio for call instances */
now = get_time();
if (now - last_time_call >= 0.1)
last_time_call = now;
if (now - last_time_call >= 0.020) {
last_time_call += 0.020;
/* call clock every 20ms */
call_clock();
}
next_char:
c = get_char();
switch (c) {
case 3:
/* quit */
printf("CTRL+c received, quitting!\n");
*quit = 1;
goto next_char;
case 'w':
/* toggle wave display */
display_status_on(0);
display_measurements_on(0);
#ifdef HAVE_SDR
display_iq_on(0);
display_spectrum_on(0);
#endif
display_wave_on(-1);
goto next_char;
case 'c':
/* toggle call state display */
display_wave_on(0);
display_measurements_on(0);
#ifdef HAVE_SDR
display_iq_on(0);
display_spectrum_on(0);
#endif
display_status_on(-1);
goto next_char;
case 'm':
/* toggle measurements display */
display_wave_on(0);
display_status_on(0);
#ifdef HAVE_SDR
display_iq_on(0);
display_spectrum_on(0);
#endif
display_measurements_on(-1);
goto next_char;
#ifdef HAVE_SDR
case 'q':
/* toggle IQ display */
if (!use_sdr)
goto next_char;
display_wave_on(0);
display_status_on(0);
display_measurements_on(0);
display_spectrum_on(0);
display_iq_on(-1);
goto next_char;
case 's':
/* toggle spectrum display */
if (!use_sdr)
goto next_char;
display_wave_on(0);
display_status_on(0);
display_measurements_on(0);
display_iq_on(0);
display_spectrum_on(-1);
goto next_char;
#endif
case 'i':
/* dump info */
dump_info();
goto next_char;
#ifdef HAVE_SDR
case 'b':
calibrate_bias();
goto next_char;
#endif
}
/* handle all handlers until no more events */
do {
work = 0;
work |= osmo_cc_handle();
work |= osmo_select_main(1);
} while (work);
if (!use_osmocc_sock)
process_console(c);
if (myhandler)
myhandler();
display_measurements(dsp_interval / 1000.0);
now = get_time();
/* sleep interval */
sleep = (dsp_interval / 1000.0) - (now - begin_time);
if (sleep > 0)
usleep(sleep * 1000000.0);
// now = get_time();
// printf("duration =%.6f\n", now - begin_time);
}
/* reset signals */
signal(SIGINT, SIG_DFL);
signal(SIGHUP, SIG_DFL);
signal(SIGTERM, SIG_DFL);
signal(SIGPIPE, SIG_DFL);
for (i = 0; i < num_chan; i++) {
free(samples[i]);
free(powers[i]);
}
/* reset terminal */
tcsetattr(0, TCSANOW, &term_orig);
/* reset real time prio */
if (rt_prio > 0) {
struct sched_param schedp;
memset(&schedp, 0, sizeof(schedp));
schedp.sched_priority = 0;
sched_setscheduler(0, SCHED_OTHER, &schedp);
}
//* cleanup call control */
call_exit();
/* cleanup console */
if (!use_osmocc_sock)
console_cleanup();
}