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authorAndreas Eversberg <jolly@eversberg.eu>2017-08-20 08:27:02 +0200
committerAndreas Eversberg <jolly@eversberg.eu>2017-09-01 18:42:49 +0200
commitcff7622f5cd91bbb8e451831ad1e674d42d27c0b (patch)
tree79cb37dc2e39f56b579240ce7f864539423ec6f6 /src/common/main_common.c
parent3c0bcce97b96b715e7e1d5ffff6f336989bac2c7 (diff)
Move mobile phone specific code from libcommon.a to libmobile.a
Diffstat (limited to 'src/common/main_common.c')
-rw-r--r--src/common/main_common.c755
1 files changed, 0 insertions, 755 deletions
diff --git a/src/common/main_common.c b/src/common/main_common.c
deleted file mode 100644
index cb57aa5..0000000
--- a/src/common/main_common.c
+++ /dev/null
@@ -1,755 +0,0 @@
-/* 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 <getopt.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 "sample.h"
-#include "main.h"
-#include "debug.h"
-#include "sender.h"
-#include "timer.h"
-#include "call.h"
-#include "mncc_sock.h"
-#ifdef HAVE_SDR
-#include "sdr.h"
-#endif
-
-/* common settings */
-int num_kanal = 0;
-int kanal[MAX_SENDER];
-int num_audiodev = 0;
-const char *audiodev[MAX_SENDER] = { "hw:0,0" };
-const char *call_audiodev = "";
-int samplerate = 48000;
-int call_samplerate = 48000;
-int interval = 1;
-int latency = 50;
-int uses_emphasis = 1;
-int do_pre_emphasis = 0;
-int do_de_emphasis = 0;
-double rx_gain = 1.0;
-int use_mncc_sock = 0;
-const char *mncc_name = "";
-int send_patterns = 1;
-int release_on_disconnect = 1;
-int loopback = 0;
-int rt_prio = 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;
-int use_sdr = 0;
-int sdr_channel = 0;
-static const char *sdr_device_args = "", *sdr_stream_args = "", *sdr_tune_args = "";
-static int sdr_samplerate = 0;
-static double sdr_bandwidth = 0.0;
-#ifdef HAVE_SDR
-static int sdr_uhd = 0;
-static int sdr_soapy = 0;
-#endif
-double sdr_tx_gain = 0, sdr_rx_gain = 0;
-const char *sdr_tx_antenna = "", *sdr_rx_antenna = "";
-const char *write_iq_tx_wave = NULL;
-const char *write_iq_rx_wave = NULL;
-const char *read_iq_tx_wave = NULL;
-const char *read_iq_rx_wave = NULL;
-int sdr_swap_links = 0;
-int sdr_uhd_tx_timestamps = 0;
-
-void print_help_common(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(" -v --verbose <level> | <level>,<category>[,<category>[,...]] | list\n");
- printf(" Use 'list' to get a list of all levels and categories\n");
- printf(" Verbose level: digit of debug level (default = '%d')\n", debuglevel);
- printf(" Verbose level+category: level digit followed by one or more categories\n");
- printf(" -> If no category is specified, all categories are selected\n");
- 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>\n");
- printf(" Sound card and device number (default = '%s')\n", audiodev[0]);
- printf(" Don't set it for SDR!\n");
- printf(" -s --samplerate <rate>\n");
- printf(" Sample rate of sound device (default = '%d')\n", samplerate);
- printf(" -i --interval 1..25\n");
- printf(" Interval of processing loop in ms (default = '%d' ms)\n", interval);
- printf(" Use 25 to drastically reduce CPU usage. In case of buffer underrun,\n");
- printf(" increase latency accordingly.\n");
- printf(" -b --buffer <ms>\n");
- printf(" How many milliseconds are processed in advance (default = '%d')\n", latency);
- 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(" -g --rx-gain <dB>\n");
- printf(" Raise receiver RX level by given gain in dB. This is useful if input\n");
- printf(" level of the sound device is too low, even after setting maximum level\n");
- printf(" with the mixer settings. (Works with sound card only.)\n");
- printf(" -m --mncc-sock\n");
- printf(" Disable built-in call contol and offer socket (to LCR)\n");
- printf(" --mncc-name <name>\n");
- printf(" '/tmp/bsc_mncc' is used by default, give name to change socket to\n");
- printf(" '/tmp/bsc_mncc_<name>'. (Useful to run multiple networks.)\n");
- printf(" -c --call-device hw:<card>,<device>\n");
- printf(" Sound card and device number for headset (default = '%s')\n", call_audiodev);
- printf(" --call-samplerate <rate>\n");
- printf(" Sample rate of sound device for headset (default = '%d')\n", call_samplerate);
- 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 diable, 99 for maximum (default = %d)\n", rt_prio);
- 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
- printf("\nSDR options:\n");
- /* - - */
-#ifdef HAVE_UHD
- printf(" --sdr-uhd\n");
- printf(" Force UHD driver\n");
-#endif
-#ifdef HAVE_SOAPY
- printf(" --sdr-soapy\n");
- printf(" Force SoapySDR driver\n");
-#endif
- printf(" --sdr-channel <channel #>\n");
- printf(" Give channel number for multi channel SDR device (default = %d)\n", sdr_channel);
- printf(" --sdr-device-args <args>\n");
- printf(" --sdr-stream-args <args>\n");
- printf(" --sdr-tune-args <args>\n");
- printf(" Optional SDR device arguments, seperated by comma\n");
- printf(" e.g. --sdr-device-args <key>=<value>[,<key>=<value>[,...]]\n");
- printf(" --sdr-samplerate <samplerate>\n");
- printf(" Sample rate to use with SDR. By default it equals the regular sample\n");
- printf(" rate.\n");
- printf(" --sdr-bandwidth <bandwidth>\n");
- printf(" Give IF filter bandwidth to use. If not, sample rate is used.\n");
- printf(" --sdr-rx-antenna <name>\n");
- printf(" SDR device's RX antenna name, use 'list' to get a list\n");
- printf(" --sdr-tx-antenna <name>\n");
- printf(" SDR device's TX antenna name, use 'list' to get a list\n");
- printf(" --sdr-rx-gain <gain>\n");
- printf(" SDR device's RX gain in dB (default = %.1f)\n", sdr_rx_gain);
- printf(" --sdr-tx-gain <gain>\n");
- printf(" SDR device's TX gain in dB (default = %.1f)\n", sdr_tx_gain);
- printf(" --write-iq-rx-wave <file>\n");
- printf(" Write received IQ data to given wave file.\n");
- printf(" --write-iq-tx-wave <file>\n");
- printf(" Write transmitted IQ data to given wave file.\n");
- printf(" --read-iq-rx-wave <file>\n");
- printf(" Replace received IQ data by given wave file.\n");
- printf(" --read-iq-tx-wave <file>\n");
- printf(" Replace transmitted IQ data by given wave file.\n");
- printf(" --sdr-swap-links\n");
- printf(" Swap RX and TX frequencies for loopback tests over the air.r\n");
-#ifdef HAVE_UHD
- printf(" --sdr-uhd-tx-timestamps\n");
- printf(" Use TX timestamps on UHD device. (May not work with some devices!)\n");
-#endif
-#endif
- printf("\nNetwork specific options:\n");
-}
-
-void print_hotkeys_common(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");
-#ifdef HAVE_SDR
- printf("Press 'i' key to toggle display of RX I/Q vector.\n");
- printf("Press 's' key to toggle display of RX spectrum.\n");
-#endif
-}
-
-#define OPT_CHANNEL 1000
-#define OPT_WRITE_RX_WAVE 1001
-#define OPT_WRITE_TX_WAVE 1002
-#define OPT_READ_RX_WAVE 1003
-#define OPT_READ_TX_WAVE 1004
-#define OPT_CALL_SAMPLERATE 1005
-#define OPT_MNCC_NAME 1006
-
-#define OPT_SDR_UHD 1100
-#define OPT_SDR_SOAPY 1101
-#define OPT_SDR_CHANNEL 1102
-#define OPT_SDR_DEVICE_ARGS 1103
-#define OPT_SDR_STREAM_ARGS 1104
-#define OPT_SDR_TUNE_ARGS 1105
-#define OPT_SDR_RX_ANTENNA 1106
-#define OPT_SDR_TX_ANTENNA 1107
-#define OPT_SDR_RX_GAIN 1108
-#define OPT_SDR_TX_GAIN 1109
-#define OPT_SDR_SAMPLERATE 1110
-#define OPT_SDR_BANDWIDTH 1111
-#define OPT_WRITE_IQ_RX_WAVE 1112
-#define OPT_WRITE_IQ_TX_WAVE 1113
-#define OPT_READ_IQ_RX_WAVE 1114
-#define OPT_READ_IQ_TX_WAVE 1115
-#define OPT_SDR_SWAP_LINKS 1116
-#define OPT_SDR_UHD_TX_TS 1117
-
-static struct option long_options_common[] = {
- {"help", 0, 0, 'h'},
- {"debug", 1, 0, 'v'},
- {"kanal", 1, 0, 'k'},
- {"channel", 1, 0, OPT_CHANNEL},
- {"audio-device", 1, 0, 'a'},
- {"samplerate", 1, 0, 's'},
- {"interval", 1, 0, 'i'},
- {"buffer", 1, 0, 'b'},
- {"pre-emphasis", 0, 0, 'p'},
- {"de-emphasis", 0, 0, 'd'},
- {"rx-gain", 1, 0, 'g'},
- {"mncc-sock", 0, 0, 'm'},
- {"mncc-name", 1, 0, OPT_MNCC_NAME},
- {"call-device", 1, 0, 'c'},
- {"call-samplerate", 1, 0, OPT_CALL_SAMPLERATE},
- {"tones", 0, 0, 't'},
- {"loopback", 1, 0, 'l'},
- {"realtime", 1, 0, 'r'},
- {"write-rx-wave", 1, 0, OPT_WRITE_RX_WAVE},
- {"write-tx-wave", 1, 0, OPT_WRITE_TX_WAVE},
- {"read-rx-wave", 1, 0, OPT_READ_RX_WAVE},
- {"read-tx-wave", 1, 0, OPT_READ_TX_WAVE},
- {"sdr-uhd", 0, 0, OPT_SDR_UHD},
- {"sdr-soapy", 0, 0, OPT_SDR_SOAPY},
- {"sdr-channel", 1, 0, OPT_SDR_CHANNEL},
- {"sdr-device-args", 1, 0, OPT_SDR_DEVICE_ARGS},
- {"sdr-stream-args", 1, 0, OPT_SDR_STREAM_ARGS},
- {"sdr-tune-args", 1, 0, OPT_SDR_TUNE_ARGS},
- {"sdr-samplerate", 1, 0, OPT_SDR_SAMPLERATE},
- {"sdr-bandwidth", 1, 0, OPT_SDR_BANDWIDTH},
- {"sdr-rx-antenna", 1, 0, OPT_SDR_RX_ANTENNA},
- {"sdr-tx-antenna", 1, 0, OPT_SDR_TX_ANTENNA},
- {"sdr-rx-gain", 1, 0, OPT_SDR_RX_GAIN},
- {"sdr-tx-gain", 1, 0, OPT_SDR_TX_GAIN},
- {"write-iq-rx-wave", 1, 0, OPT_WRITE_IQ_RX_WAVE},
- {"write-iq-tx-wave", 1, 0, OPT_WRITE_IQ_TX_WAVE},
- {"read-iq-rx-wave", 1, 0, OPT_READ_IQ_RX_WAVE},
- {"read-iq-tx-wave", 1, 0, OPT_READ_IQ_TX_WAVE},
- {"sdr-swap-links", 0, 0, OPT_SDR_SWAP_LINKS},
- {"sdr-uhd-tx-timestamps", 0, 0, OPT_SDR_UHD_TX_TS},
- {0, 0, 0, 0}
-};
-
-const char *optstring_common = "hv:k:a:s:i:b:pdg:mc:t:l:r:";
-
-struct option *long_options;
-char *optstring;
-
-static void check_duplicate_option(int num, struct option *option)
-{
- int i;
-
- for (i = 0; i < num; i++) {
- if (long_options[i].val == option->val) {
- fprintf(stderr, "Duplicate option %d. Please fix!\n", option->val);
- abort();
- }
- }
-}
-
-void set_options_common(const char *optstring_special, struct option *long_options_special)
-{
- int i;
-
- long_options = calloc(sizeof(*long_options), 100);
- for (i = 0; long_options_common[i].name; i++) {
- check_duplicate_option(i, &long_options_common[i]);
- memcpy(&long_options[i], &long_options_common[i], sizeof(*long_options));
- }
- for (; long_options_special->name; i++) {
- check_duplicate_option(i, long_options_special);
- memcpy(&long_options[i], long_options_special++, sizeof(*long_options));
- }
-
- optstring = calloc(strlen(optstring_common) + strlen(optstring_special) + 1, 1);
- strcpy(optstring, optstring_common);
- strcat(optstring, optstring_special);
-}
-
-void opt_switch_common(int c, char *arg0, int *skip_args)
-{
- double gain_db;
-
- switch (c) {
- case 'h':
- print_help(arg0);
- exit(0);
- case 'v':
- if (!strcasecmp(optarg, "list")) {
- debug_list_cat();
- exit(0);
- }
- if (parse_debug_opt(optarg)) {
- fprintf(stderr, "Failed to parse debug option, please use -h for help.\n");
- exit(0);
- }
- *skip_args += 2;
- break;
- case 'k':
- case OPT_CHANNEL:
- OPT_ARRAY(num_kanal, kanal, atoi(optarg))
- *skip_args += 2;
- break;
- case 'a':
- OPT_ARRAY(num_audiodev, audiodev, strdup(optarg))
- *skip_args += 2;
- break;
- case 's':
- samplerate = atoi(optarg);
- *skip_args += 2;
- break;
- case 'i':
- interval = atoi(optarg);
- *skip_args += 2;
- if (interval < 1)
- interval = 1;
- if (interval > 25)
- interval = 25;
- break;
- case 'b':
- latency = atoi(optarg);
- *skip_args += 2;
- 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");
- exit(0);
- }
- do_pre_emphasis = 1;
- *skip_args += 1;
- break;
- case 'd':
- if (!uses_emphasis)
- goto no_emph;
- do_de_emphasis = 1;
- *skip_args += 1;
- break;
- case 'g':
- gain_db = atof(optarg);
- if (gain_db < 0.0) {
- fprintf(stderr, "Given gain is below 0. To reduce RX signal, use sound card's mixer (or resistor net)!\n");
- exit(0);
- }
- rx_gain = pow(10, gain_db / 20.0);
- *skip_args += 2;
- break;
- case 'm':
- use_mncc_sock = 1;
- *skip_args += 1;
- break;
- case OPT_MNCC_NAME:
- mncc_name = strdup(optarg);
- *skip_args += 2;
- break;
- case 'c':
- call_audiodev = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_CALL_SAMPLERATE:
- call_samplerate = atoi(optarg);
- *skip_args += 2;
- break;
- case 't':
- send_patterns = atoi(optarg);
- *skip_args += 2;
- break;
- case 'l':
- loopback = atoi(optarg);
- *skip_args += 2;
- break;
- case 'r':
- rt_prio = atoi(optarg);
- *skip_args += 2;
- break;
- case OPT_WRITE_RX_WAVE:
- write_rx_wave = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_WRITE_TX_WAVE:
- write_tx_wave = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_READ_RX_WAVE:
- read_rx_wave = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_READ_TX_WAVE:
- read_tx_wave = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_UHD:
-#ifdef HAVE_SDR
- use_sdr = 1;
- sdr_uhd = 1;
-#else
- fprintf(stderr, "UHD SDR support not compiled in!\n");
- exit(0);
-#endif
- *skip_args += 1;
- break;
- case OPT_SDR_SOAPY:
-#ifdef HAVE_SDR
- use_sdr = 1;
- sdr_soapy = 1;
-#else
- fprintf(stderr, "SoapySDR support not compiled in!\n");
- exit(0);
-#endif
- *skip_args += 1;
- break;
- case OPT_SDR_CHANNEL:
- sdr_channel = atoi(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_DEVICE_ARGS:
- sdr_device_args = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_STREAM_ARGS:
- sdr_stream_args = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_TUNE_ARGS:
- sdr_tune_args = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_SAMPLERATE:
- sdr_samplerate = atoi(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_BANDWIDTH:
- sdr_bandwidth = atof(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_RX_ANTENNA:
- sdr_rx_antenna = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_TX_ANTENNA:
- sdr_tx_antenna = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_RX_GAIN:
- sdr_rx_gain = atof(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_TX_GAIN:
- sdr_tx_gain = atof(optarg);
- *skip_args += 2;
- break;
- case OPT_WRITE_IQ_RX_WAVE:
- write_iq_rx_wave = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_WRITE_IQ_TX_WAVE:
- write_iq_tx_wave = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_READ_IQ_RX_WAVE:
- read_iq_rx_wave = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_READ_IQ_TX_WAVE:
- read_iq_tx_wave = strdup(optarg);
- *skip_args += 2;
- break;
- case OPT_SDR_SWAP_LINKS:
- sdr_swap_links = 1;
- *skip_args += 1;
- break;
- case OPT_SDR_UHD_TX_TS:
- sdr_uhd_tx_timestamps = 1;
- *skip_args += 1;
- break;
- default:
- exit (0);
- }
-}
-
-/* global variable to quit main loop */
-int quit = 0;
-
-void sighandler(int sigset)
-{
- if (sigset == SIGHUP)
- return;
- if (sigset == SIGPIPE)
- return;
-
- clear_console_text();
- 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_common(int *quit, int latency, int interval, void (*myhandler)(void), const char *station_id, int station_id_digits)
-{
- int latspl;
- sender_t *sender;
- double last_time_call = 0, begin_time, now, sleep;
- struct termios term, term_orig;
- int c;
- int rc;
-
- /* latency of send buffer in samples */
- latspl = samplerate * latency / 1000;
-
- /* init mncc */
- if (use_mncc_sock) {
- char mncc_sock_name[64];
- if (mncc_name[0]) {
- snprintf(mncc_sock_name, sizeof(mncc_sock_name), "/tmp/bsc_mncc_%s", mncc_name);
- mncc_sock_name[sizeof(mncc_sock_name) - 1] = '\0';
- } else
- strcpy(mncc_sock_name, "/tmp/bsc_mncc");
- rc = mncc_init(mncc_sock_name);
- if (rc < 0) {
- fprintf(stderr, "Failed to setup MNCC socket. Quitting!\n");
- return;
- }
- }
-
- /* init call device */
- rc = call_init(station_id, call_audiodev, call_samplerate, latency, station_id_digits, loopback, use_mncc_sock, send_patterns, release_on_disconnect);
- if (rc < 0) {
- fprintf(stderr, "Failed to create call control instance. Quitting!\n");
- return;
- }
-
-#ifdef HAVE_SDR
- if ((sdr_uhd == 1 && sdr_soapy == 1)) {
- fprintf(stderr, "You must choose which one you want: --sdr-uhd or --sdr-soapy\n");
- return;
- }
-
- if (sdr_samplerate == 0.0)
- sdr_samplerate = samplerate;
- if (sdr_bandwidth == 0.0)
- sdr_bandwidth = sdr_samplerate;
- rc = sdr_init(sdr_uhd, sdr_soapy, sdr_channel, sdr_device_args, sdr_stream_args, sdr_tune_args, sdr_tx_antenna, sdr_rx_antenna, sdr_tx_gain, sdr_rx_gain, sdr_samplerate, sdr_bandwidth, write_iq_tx_wave, write_iq_rx_wave, read_iq_tx_wave, read_iq_rx_wave, latspl, sdr_swap_links, sdr_uhd_tx_timestamps);
- if (rc < 0)
- return;
-#endif
-
- /* open audio */
- if (sender_open_audio())
- return;
- if (call_open_audio())
- return;
-
- /* 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);
- }
-
- /* 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 (call_start_audio())
- *quit = 1;
-
- while(!(*quit)) {
- 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, latspl);
- }
-
- /* process timers */
- process_timer();
-
- /* process audio for mncc 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_mncc_clock();
- }
-
-next_char:
- c = get_char();
- switch (c) {
- case 3:
- /* quit */
- clear_console_text();
- printf("CTRL+c received, quitting!\n");
- *quit = 1;
- goto next_char;
- case 'w':
- /* toggle display */
-#ifdef HAVE_SDR
- display_iq_on(0);
- display_spectrum_on(0);
-#endif
- display_status_on(0);
- display_wave_on(-1);
- goto next_char;
- case 'c':
- /* toggle display */
-#ifdef HAVE_SDR
- display_iq_on(0);
- display_spectrum_on(0);
-#endif
- display_wave_on(0);
- display_status_on(-1);
- goto next_char;
-#ifdef HAVE_SDR
- case 'q':
- /* toggle display */
- display_wave_on(0);
- display_status_on(0);
- display_spectrum_on(0);
- display_iq_on(-1);
- goto next_char;
- case 's':
- /* toggle spectrum */
- display_wave_on(0);
- display_status_on(0);
- display_iq_on(0);
- display_spectrum_on(-1);
- goto next_char;
-#endif
- case 'i':
- /* dump info */
- dump_info();
- goto next_char;
- }
-
- /* process audio of built-in call control */
- process_call(c);
-
- if (myhandler)
- myhandler();
-
- now = get_time();
-
- /* sleep interval */
- sleep = ((double)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);
-
- /* get rid of last entry */
- clear_console_text();
-
- /* 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_cleanup();
-
- /* close mncc socket */
- if (use_mncc_sock)
- mncc_exit();
-}
-