270 lines
7.1 KiB
C
270 lines
7.1 KiB
C
/* 5-Ton-Folge main
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*
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* (C) 2021 by Andreas Eversberg <jolly@eversberg.eu>
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* All Rights Reserved
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <libsample/sample.h>
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#include <libdebug/debug.h>
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#include <libmobile/call.h>
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#include <libmobile/main_mobile.h>
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#include <liboptions/options.h>
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#include "../anetz/besetztton.h"
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#include "fuenf.h"
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#include "dsp.h"
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static int tx = 0; /* we transmit */
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static int rx = 0; /* we receive */
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static double max_deviation = 4000;
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static double signal_deviation = 2400;
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static enum fuenf_funktion funktion = FUENF_FUNKTION_FEUER;
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static uint32_t scan_from = 0;
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static uint32_t scan_to = 0;
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void print_help(const char *arg0)
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{
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main_mobile_print_help(arg0, "-k <kanal> | -k list");
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/* - - */
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printf(" -T --tx\n");
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printf(" Transmit Eurosignal on given channel, to page a receiver. (default)\n");
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printf(" -R --rx\n");
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printf(" Receive Eurosignal on given channel, so we are the receiver.\n");
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printf(" If none of the options -T nor -R is given, only transmitter is enabled.\n");
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printf(" -D --deviation <KHz>\n");
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printf(" Choose deviation of FM signal (default %.0f KHz).\n", signal_deviation / 1000.0);
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printf(" -F --funktion 0 | ruf | 1 | feuer | 2 | probe | 3 | warnung | 4 | abc\n");
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printf(" | 5 | entwarnung | 6 | katastrophe | 7 | turbo\n");
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printf(" Choose default function when 5 digit only number is dialed.\n");
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printf(" (default %d = %s)\n", funktion, fuenf_funktion_name[funktion]);
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printf(" -S --scan <from> <to>\n");
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printf(" Scan through given IDs once (no repetition). This can be useful to find\n");
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printf(" the call sign of a vintage receiver. Note that scanning all call signs\n");
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printf(" from 000000 through 99999 would take about 8.7 days.\n");
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printf(" If 'turbo' function is selected, only a single 5-tone sequence is sent\n");
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printf(" per call sign. A full scan would takte about 26.4 hours then.\n");
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main_mobile_print_station_id();
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main_mobile_print_hotkeys();
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}
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static void add_options(void)
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{
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main_mobile_add_options();
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option_add('T', "tx", 0);
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option_add('R', "rx", 0);
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option_add('D', "deviation", 1);
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option_add('F', "funktion", 1);
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option_add('S', "scan", 2);
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}
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static int handle_options(int short_option, int argi, char **argv)
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{
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switch (short_option) {
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case 'T':
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tx = 1;
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break;
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case 'R':
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rx = 1;
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break;
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case 'D':
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signal_deviation = atof(argv[argi]) * 1000.0;
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if (signal_deviation < 1000.0) {
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fprintf(stderr, "Given deviation is too low, use higher deviation.\n");
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return -EINVAL;
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}
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if (signal_deviation > max_deviation)
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max_deviation = signal_deviation;
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break;
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case 'F':
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switch (argv[argi][0]) {
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case '0':
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case 'r':
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case 'R':
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funktion = FUENF_FUNKTION_RUF;
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break;
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case '1':
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case 'f':
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case 'F':
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funktion = FUENF_FUNKTION_FEUER;
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break;
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case '2':
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case 'p':
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case 'P':
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funktion = FUENF_FUNKTION_PROBE;
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break;
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case '3':
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case 'w':
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case 'W':
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funktion = FUENF_FUNKTION_WARNUNG;
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break;
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case '4':
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case 'a':
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case 'A':
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funktion = FUENF_FUNKTION_ABC;
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break;
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case '5':
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case 'e':
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case 'E':
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funktion = FUENF_FUNKTION_ENTWARNUNG;
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break;
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case '6':
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case 'k':
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case 'K':
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funktion = FUENF_FUNKTION_KATASTROPHE;
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break;
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case '7':
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case 't':
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case 'T':
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funktion = FUENF_FUNKTION_TURBO;
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break;
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default:
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fprintf(stderr, "Given 'Funktion' is invalid, use '-h' for help.\n");
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return -EINVAL;
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}
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break;
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case 'S':
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scan_from = atoi(argv[argi++]);
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if (scan_from > 99999) {
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fprintf(stderr, "Given call sign to scan from is out of range!\n");
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return -EINVAL;
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}
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scan_to = atoi(argv[argi++]) + 1;
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if (scan_to > 99999) {
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fprintf(stderr, "Given call sign to scan to is out of range!\n");
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return -EINVAL;
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}
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break;
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default:
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return main_mobile_handle_options(short_option, argi, argv);
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}
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return 1;
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}
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static const struct number_lengths number_lengths[] = {
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{ 5, "5-Ton-Folge" },
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{ 6, "5-Ton-Folge mit Ruf (0) oder Sirenenalarm (1..6)" },
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{ 0, NULL }
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};
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int main(int argc, char *argv[])
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{
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int rc, argi;
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const char *station_id = "";
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int i;
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const char *k;
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double f;
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/* BOS does not use emphasis, so disable it */
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uses_emphasis = 0;
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/* init common tones */
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init_besetzton();
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/* init mobile interface */
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main_mobile_init("0123456789", number_lengths, NULL, bos_number_valid);
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/* handle options / config file */
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add_options();
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rc = options_config_file(argc, argv, "~/.osmocom/analog/5-ton-folge.conf", handle_options);
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if (rc < 0)
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return 0;
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argi = options_command_line(argc, argv, handle_options);
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if (argi <= 0)
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return argi;
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if (argi < argc) {
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station_id = argv[argi];
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rc = main_mobile_number_ask(station_id, "station ID (RIC)");
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if (rc)
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return rc;
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}
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if (!num_kanal) {
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printf("No channel is specified, Use '-k list' to get a list of all channels.\n\n");
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print_help(argv[0]);
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return 0;
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}
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if (!strcasecmp(kanal[0], "list")) {
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bos_list_channels();
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goto fail;
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}
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if (use_sdr) {
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/* set device */
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for (i = 0; i < num_kanal; i++)
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dsp_device[i] = "sdr";
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num_device = num_kanal;
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}
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if (num_kanal == 1 && num_device == 0)
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num_device = 1; /* use default */
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if (num_kanal != num_device) {
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fprintf(stderr, "You need to specify as many sound devices as you have channels.\n");
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exit(0);
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}
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/* TX is default */
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if (!tx && !rx)
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tx = 1;
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/* TX & RX if loopback */
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if (loopback)
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tx = rx = 1;
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/* inits */
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fm_init(fast_math);
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fuenf_init();
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/* create transceiver instance */
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for (i = 0; i < num_kanal; i++) {
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k = bos_freq2kanal(kanal[i]);
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f = bos_kanal2freq(k);
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if (f == 0.0) {
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printf("Invalid channel '%s', Use '-k list' to get a list of all channels.\n\n", k);
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goto fail;
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}
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rc = fuenf_create(k, f, dsp_device[i], use_sdr, dsp_samplerate, rx_gain, tx_gain, tx, rx, max_deviation, signal_deviation, funktion, scan_from, scan_to, write_rx_wave, write_tx_wave, read_rx_wave, read_tx_wave, loopback);
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if (rc < 0) {
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fprintf(stderr, "Failed to create \"Sender\" instance. Quitting!\n");
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goto fail;
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}
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printf("Base station ready, please tune transmitter (or receiver) to %.4f MHz\n", f / 1e6);
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}
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main_mobile_loop("5-ton-folge", &quit, NULL, station_id);
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fail:
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/* destroy transceiver instance */
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while(sender_head)
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fuenf_destroy(sender_head);
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/* exits */
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fm_exit();
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fuenf_exit();
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options_free();
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return 0;
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}
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