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/* 5-Ton-Folge main
*
* (C) 2021 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 <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "../libsample/sample.h"
#include "../libdebug/debug.h"
#include "../libmobile/call.h"
#include "../libmobile/main_mobile.h"
#include "../liboptions/options.h"
#include "../anetz/besetztton.h"
#include "fuenf.h"
#include "dsp.h"
static int tx = 0; /* we transmit */
static int rx = 0; /* we receive */
static double max_deviation = 4000;
static double signal_deviation = 2400;
static enum fuenf_funktion funktion = FUENF_FUNKTION_FEUER;
static uint32_t scan_from = 0;
static uint32_t scan_to = 0;
void print_help(const char *arg0)
{
main_mobile_print_help(arg0, "-k <kanal> | -k list");
/* - - */
printf(" -T --tx\n");
printf(" Transmit 5-tones on given channel, to page a receiver. (default)\n");
printf(" -R --rx\n");
printf(" Receive 5-tones on given channel, so we are the receiver.\n");
printf(" If none of the options -T nor -R is given, only transmitter is enabled.\n");
printf(" -D --deviation <KHz>\n");
printf(" Choose deviation of FM signal (default %.0f KHz).\n", signal_deviation / 1000.0);
printf(" -F --funktion 0 | ruf | 1 | feuer | 2 | probe | 3 | warnung | 4 | abc\n");
printf(" | 5 | entwarnung | 6 | katastrophe | 7 | turbo\n");
printf(" Choose default function when 5 digit only number is dialed.\n");
printf(" (default %d = %s)\n", funktion, fuenf_funktion_name[funktion]);
printf(" -S --scan <from> <to>\n");
printf(" Scan through given IDs once (no repetition). This can be useful to find\n");
printf(" the call sign of a vintage receiver. Note that scanning all call signs\n");
printf(" from 000000 through 99999 would take about 8.7 days.\n");
printf(" If 'turbo' function is selected, only a single 5-tone sequence is sent\n");
printf(" per call sign. A full scan would takte about 26.4 hours then.\n");
main_mobile_print_station_id();
main_mobile_print_hotkeys();
}
static void add_options(void)
{
main_mobile_add_options();
option_add('T', "tx", 0);
option_add('R', "rx", 0);
option_add('D', "deviation", 1);
option_add('F', "funktion", 1);
option_add('S', "scan", 2);
}
static int handle_options(int short_option, int argi, char **argv)
{
switch (short_option) {
case 'T':
tx = 1;
break;
case 'R':
rx = 1;
break;
case 'D':
signal_deviation = atof(argv[argi]) * 1000.0;
if (signal_deviation < 1000.0) {
fprintf(stderr, "Given deviation is too low, use higher deviation.\n");
return -EINVAL;
}
if (signal_deviation > max_deviation)
max_deviation = signal_deviation;
break;
case 'F':
switch (argv[argi][0]) {
case '0':
case 'r':
case 'R':
funktion = FUENF_FUNKTION_RUF;
break;
case '1':
case 'f':
case 'F':
funktion = FUENF_FUNKTION_FEUER;
break;
case '2':
case 'p':
case 'P':
funktion = FUENF_FUNKTION_PROBE;
break;
case '3':
case 'w':
case 'W':
funktion = FUENF_FUNKTION_WARNUNG;
break;
case '4':
case 'a':
case 'A':
funktion = FUENF_FUNKTION_ABC;
break;
case '5':
case 'e':
case 'E':
funktion = FUENF_FUNKTION_ENTWARNUNG;
break;
case '6':
case 'k':
case 'K':
funktion = FUENF_FUNKTION_KATASTROPHE;
break;
case '7':
case 't':
case 'T':
funktion = FUENF_FUNKTION_TURBO;
break;
default:
fprintf(stderr, "Given 'Funktion' is invalid, use '-h' for help.\n");
return -EINVAL;
}
break;
case 'S':
scan_from = atoi(argv[argi++]);
if (scan_from > 99999) {
fprintf(stderr, "Given call sign to scan from is out of range!\n");
return -EINVAL;
}
scan_to = atoi(argv[argi++]) + 1;
if (scan_to > 99999) {
fprintf(stderr, "Given call sign to scan to is out of range!\n");
return -EINVAL;
}
break;
default:
return main_mobile_handle_options(short_option, argi, argv);
}
return 1;
}
static const struct number_lengths number_lengths[] = {
{ 5, "5-Ton-Folge" },
{ 6, "5-Ton-Folge mit Ruf (0) oder Sirenenalarm (1..6)" },
{ 0, NULL }
};
int main(int argc, char *argv[])
{
int rc, argi;
const char *station_id = "";
int i;
const char *k;
double f;
/* BOS does not use emphasis, so disable it */
uses_emphasis = 0;
/* init common tones */
init_besetzton();
/* init mobile interface */
main_mobile_init("0123456789", number_lengths, NULL, bos_number_valid);
/* handle options / config file */
add_options();
rc = options_config_file(argc, argv, "~/.osmocom/analog/5-ton-folge.conf", handle_options);
if (rc < 0)
return 0;
argi = options_command_line(argc, argv, handle_options);
if (argi <= 0)
return argi;
if (argi < argc) {
station_id = argv[argi];
rc = main_mobile_number_ask(station_id, "station ID (RIC)");
if (rc)
return rc;
}
if (!num_kanal) {
printf("No channel is specified, Use '-k list' to get a list of all channels.\n\n");
print_help(argv[0]);
return 0;
}
if (!strcasecmp(kanal[0], "list")) {
bos_list_channels();
goto fail;
}
if (use_sdr) {
/* set device */
for (i = 0; i < num_kanal; i++)
dsp_device[i] = "sdr";
num_device = num_kanal;
}
if (num_kanal == 1 && num_device == 0)
num_device = 1; /* use default */
if (num_kanal != num_device) {
fprintf(stderr, "You need to specify as many sound devices as you have channels.\n");
exit(0);
}
/* TX is default */
if (!tx && !rx)
tx = 1;
/* TX & RX if loopback */
if (loopback)
tx = rx = 1;
/* inits */
fm_init(fast_math);
fuenf_init();
/* create transceiver instance */
for (i = 0; i < num_kanal; i++) {
k = bos_freq2kanal(kanal[i]);
f = bos_kanal2freq(k);
if (f == 0.0) {
printf("Invalid channel '%s', Use '-k list' to get a list of all channels.\n\n", k);
goto fail;
}
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);
if (rc < 0) {
fprintf(stderr, "Failed to create \"Sender\" instance. Quitting!\n");
goto fail;
}
printf("Base station ready, please tune transmitter (or receiver) to %.4f MHz\n", f / 1e6);
}
main_mobile_loop("5-ton-folge", &quit, NULL, station_id);
fail:
/* destroy transceiver instance */
while(sender_head)
fuenf_destroy(sender_head);
/* exits */
fm_exit();
fuenf_exit();
options_free();
return 0;
}
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