An implementation of Analog cellular networks like A-Netz, B-Netz, C-Netz, NMT, AMPS, TACS, JTACS, Radiocom 2000, IMTS, MPT1327, Eurosignal and more http://osmocom-analog.eversberg.eu/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
osmocom-analog/src/r2000/main.c

378 lines
12 KiB

/* Radiocom 2000 main
*
* (C) 2017 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 <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "../libsample/sample.h"
#include "../libmobile/main_mobile.h"
#include "../libdebug/debug.h"
#include "../liboptions/options.h"
#include "r2000.h"
#include "dsp.h"
#include "frame.h"
#include "tones.h"
/* settings */
static int band = 1;
static int num_chan_type = 0;
static int relais = 32;
static int deport = 0;
static int agi = 7;
static int sm_power = 0;
static int taxe = 0;
static int crins = 0, destruction = 0; /* neven set CRINS to 3 and destruction to other than 0 here! */
static int nconv = 0;
static int recall = 0;
enum r2000_chan_type chan_type[MAX_SENDER] = { CHAN_TYPE_CC_TC };
void print_help(const char *arg0)
{
main_mobile_print_help(arg0, "[-R <relais number>] ");
/* - - */
printf(" -B --band <number> | list\n");
printf(" -B --bande <number> | list\n");
printf(" Give frequency band, use 'list' to get a list. (default = '%d')\n", band);
printf(" -T --channel-type <channel type> | list\n");
printf(" Give channel type, use 'list' to get a list. (default = '%s')\n", chan_type_short_name(chan_type[0]));
printf(" -R --relais <relais number>\n");
printf(" Give relais number (base station ID) 1..511. (default = '%d')\n", relais);
printf(" Be sure to set the station mobile to the same relais number!\n");
printf(" --deport 0..7\n");
printf(" Supervisory information to tell about sub-stations.\n");
printf(" The functionality is unknown. (default = '%d')\n", deport);
printf(" -I --agi 0..7 | list\n");
printf(" Supervisory information to tell which phone is allowed to register\n");
printf(" Use 'list' to get a list of possible valued.\n");
printf(" (default = '%d' = %s)\n", agi, param_agi(agi));
#if 0
printf(" -A --aga 0..3 | list\n");
printf(" Supervisory information to tell which phone is allowed to call\n");
printf(" Use 'list' to get a list of possible valued.\n");
printf(" (default = '%d' = %s)\n", aga, param_aga(aga));
#endif
printf(" -P --sm-power <power level>\n");
printf(" Give power level of the station mobile 0..1. (default = '%d')\n", sm_power);
printf(" 0 = low (about 1 Watts) 1 = high (up to 10 Watts)\n");
printf(" --taxe 0..1\n");
printf(" Supervisory information to tell about rate information.\n");
printf(" The functionality is unknown. (default = '%d')\n", taxe);
printf(" -C --crins 0..7 | list [--destruction YES]\n");
printf(" Result that will be returned when the phone registers.\n");
printf(" NEVER USE '3', IT WILL DESTROY YOUR PHONE, but shows a warning first!\n");
printf(" Use 'list' to get a list of possible valued.\n");
printf(" (default = '%d' = %s)\n", crins, param_crins(crins));
printf(" -N --nconv 0..7\n");
printf(" Supervisory digit, sent during conversation. (default = '%d')\n", nconv);
printf(" It is used to detect lost signal. When using multiple traffic\n");
printf(" channels, this value is incremented per channel.\n");
printf(" -S --recall\n");
printf(" Suspend outgoing call after dialing and recall when called party has\n");
printf(" answered.\n");
printf("\nstation-id: Give 1 digit of station mobile type + 3 digits of home relais ID\n");
printf(" + 5 digits of mobile ID.\n");
printf(" (e.g. 103200819 = type 1, relais ID 32, mobile ID 819)\n");
main_mobile_print_hotkeys();
}
#define OPT_BANDE 256
#define OPT_DEPORT 257
#define OPT_TAXE 258
#define OPT_DESTRUCTION 259
static void add_options(void)
{
main_mobile_add_options();
option_add('B', "band", 1);
option_add(OPT_BANDE, "bande", 1);
option_add('T', "channel-type", 1);
option_add('R', "relais", 1);
option_add(OPT_DEPORT, "deport", 1);
option_add('I', "agi", 1);
option_add('P', "sm-power", 1);
option_add(OPT_TAXE, "taxe", 1);
option_add('C', "crins", 1);
option_add(OPT_DESTRUCTION, "destruction", 1);
option_add('N', "nconv", 1);
option_add('S', "recall", 0);
}
static int handle_options(int short_option, int argi, char **argv)
{
int rc;
switch (short_option) {
case 'B':
case OPT_BANDE:
if (!strcmp(argv[argi], "list")) {
r2000_band_list();
return 0;
}
band = atoi(argv[argi]);
break;
case 'T':
if (!strcmp(argv[argi], "list")) {
r2000_channel_list();
return 0;
}
rc = r2000_channel_by_short_name(argv[argi]);
if (rc < 0) {
fprintf(stderr, "Error, channel type '%s' unknown. Please use '-t list' to get a list. I suggest to use the default.\n", argv[argi]);
return -EINVAL;
}
OPT_ARRAY(num_chan_type, chan_type, rc)
break;
case 'R':
relais = atoi(argv[argi]);
if (relais > 511)
relais = 511;
if (relais < 1)
relais = 1;
break;
case OPT_DEPORT:
deport = atoi(argv[argi]);
if (deport > 7)
deport = 7;
if (deport < 0)
deport = 0;
break;
case 'I':
if (!strcmp(argv[argi], "list")) {
int i;
printf("\nList of possible AGI (inscription permission) codes:\n\n");
printf("Value\tDescription\n");
printf("------------------------------------------------------------------------\n");
for (i = 0; i < 8; i++)
printf("%d\t%s\n", i, param_agi(i));
return 0;
}
agi = atoi(argv[argi]);
if (agi < 0 || agi > 7) {
fprintf(stderr, "Error, given inscription permission (AGI) %d is invalid, use 'list' to get a list of values!\n", agi);
return -EINVAL;
}
break;
case 'P':
sm_power = atoi(argv[argi]);
if (sm_power > 1)
sm_power = 1;
if (sm_power < 0)
sm_power = 0;
break;
case OPT_TAXE:
taxe = atoi(argv[argi]);
if (taxe > 1)
taxe = 1;
if (taxe < 0)
taxe = 0;
break;
#if 0
case 'A':
if (!strcmp(argv[argi], "list")) {
int i;
printf("\nList of possible AGA (call permission) codes:\n\n");
printf("Value\tDescription\n");
printf("------------------------------------------------------------------------\n");
for (i = 0; i < 4; i++)
printf("%d\t%s\n", i, param_aga(i));
return 0;
}
aga = atoi(argv[argi]);
if (aga < 0 || aga > 3) {
fprintf(stderr, "Error, given call permission (AGA) %d is invalid, use 'list' to get a list of values!\n", aga);
return -EINVAL;
}
break;
#endif
case 'C':
if (!strcmp(argv[argi], "list")) {
int i;
printf("\nList of possible CRINS (inscription response) codes:\n\n");
printf("Value\tDescription\n");
printf("------------------------------------------------------------------------\n");
for (i = 0; i < 8; i++)
printf("%d\t%s\n", i, param_crins(i));
return 0;
}
crins = atoi(argv[argi]);
if (crins < 0 || crins > 7) {
fprintf(stderr, "Error, given inscription response (CRINS) %d is invalid, use 'list' to get a list of values!\n", crins);
return -EINVAL;
}
break;
case OPT_DESTRUCTION:
if (!strcmp(argv[argi], "YES")) {
destruction = 2342;
}
break;
case 'N':
nconv = atoi(argv[argi]);
if (nconv > 7)
nconv = 7;
if (nconv < 0)
nconv = 0;
break;
case 'S':
recall = 1;
break;
default:
return main_mobile_handle_options(short_option, argi, argv);
}
return 1;
}
int main(int argc, char *argv[])
{
int rc, argi;
const char *station_id = "";
int mandatory = 0;
int i;
/* init tones */
init_radiocom_tones();
main_mobile_init();
/* handle options / config file */
add_options();
rc = options_config_file("~/.osmocom/analog/radiocom2000.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];
if (strlen(station_id) != 9) {
printf("Given station ID '%s' does not have 9 digits\n", station_id);
return 0;
}
}
if (!num_kanal) {
printf("No channel (\"Kanal\") is specified, I suggest channel 160 (-k 160).\n\n");
mandatory = 1;
}
if (use_sdr) {
/* set audiodev */
for (i = 0; i < num_kanal; i++)
audiodev[i] = "sdr";
num_audiodev = num_kanal;
/* set channel types for more than 1 channel */
if (num_kanal > 1 && num_chan_type == 0) {
chan_type[0] = CHAN_TYPE_CC;
for (i = 1; i < num_kanal; i++)
chan_type[i] = CHAN_TYPE_TC;
num_chan_type = num_kanal;
}
}
if (num_kanal == 1 && num_audiodev == 0)
num_audiodev = 1; /* use default */
if (num_kanal != num_audiodev) {
fprintf(stderr, "You need to specify as many sound devices as you have channels.\n");
exit(0);
}
if (num_kanal == 1 && num_chan_type == 0)
num_chan_type = 1; /* use default */
if (num_kanal != num_chan_type) {
fprintf(stderr, "You need to specify as many channel types as you have channels.\n");
exit(0);
}
if (mandatory) {
print_help(argv[0]);
return 0;
}
/* check for destruction of the phone (crins 3 will brick it) */
if (crins == 3) {
fprintf(stderr, "\n*******************************************************************************\n");
fprintf(stderr, "You selected inscription response '3'!\n\n");
fprintf(stderr, "This feature was used by the operators to destroy a stolen/modified phone.\n");
fprintf(stderr, "This will brick/destroy/kill/make ALL PHONES USELESS, if registering!\n");
fprintf(stderr, "PHONE WILL LOCK AND/OR SUBSCRIBER DATA WILL BE ERASED!!! IS THAT WHAT YOU WANT?\n");
fprintf(stderr, "I had to hack the firmware of my phone to unbrick it. Can you do that too?\n");
if (!destruction)
fprintf(stderr, "If you can unlock your phone later, then use '--destruction YES' to confirm.\n");
else
fprintf(stderr, "\n **** PRESS CTRL+c TO ABORT THIS FEATURE, NOW! **** Press enter to continue.\n\n");
fprintf(stderr, "*******************************************************************************\n\n");
if (!destruction)
exit(0);
else
getchar();
}
/* inits */
fm_init(fast_math);
dsp_init();
/* SDR always requires emphasis */
if (use_sdr) {
do_pre_emphasis = 1;
do_de_emphasis = 1;
}
if (!do_pre_emphasis || !do_de_emphasis) {
fprintf(stderr, "*******************************************************************************\n");
fprintf(stderr, "I strongly suggest to let me do pre- and de-emphasis (options -p -d)!\n");
fprintf(stderr, "Use a transmitter/receiver without emphasis and let me do that!\n");
fprintf(stderr, "Because 50 baud supervisory signalling around 150 Hz will not be tranmitted by\n");
fprintf(stderr, "regular radio, use direct input to the PLL of your transmitter (or use SDR).\n");
fprintf(stderr, "*******************************************************************************\n");
}
/* create transceiver instance */
for (i = 0; i < num_kanal; i++) {
rc = r2000_create(band, kanal[i], chan_type[i], audiodev[i], use_sdr, samplerate, rx_gain, do_pre_emphasis, do_de_emphasis, write_rx_wave, write_tx_wave, read_rx_wave, read_tx_wave, relais, deport, agi, sm_power, taxe, crins, destruction, nconv, recall, loopback);
if (rc < 0) {
fprintf(stderr, "Failed to create transceiver instance. Quitting!\n");
goto fail;
}
printf("base station on channel %d ready, please tune transmitter to %.4f MHz and receiver to %.4f MHz. (%.3f MHz offset)\n", kanal[i], r2000_channel2freq(band, kanal[i], 0) / 1e6, r2000_channel2freq(band, kanal[i], 1) / 1e6, r2000_channel2freq(band, kanal[i], 2) / 1e6);
nconv = (nconv + 1) & 7;
}
r2000_check_channels();
main_mobile(&quit, latency, interval, NULL, station_id, 9);
fail:
/* destroy transceiver instance */
while (sender_head)
r2000_destroy(sender_head);
/* exits */
fm_exit();
return 0;
}