567 lines
22 KiB
C
567 lines
22 KiB
C
/* C-Netz main
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*
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* (C) 2016 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 <string.h>
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#include <errno.h>
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#include "../libsample/sample.h"
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#include "../libmobile/main_mobile.h"
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#include "../libdebug/debug.h"
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#include "../libmobile/call.h"
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#include "../anetz/freiton.h"
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#include "../anetz/besetztton.h"
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#include "../liboptions/options.h"
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#include "cnetz.h"
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#include "database.h"
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#include "sysinfo.h"
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#include "dsp.h"
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#include "telegramm.h"
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#include "image.h"
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#include "ansage.h"
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/* settings */
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int num_chan_type = 0;
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enum cnetz_chan_type chan_type[MAX_SENDER] = { CHAN_TYPE_OGK_SPK };
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int measure_speed = 0;
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double clock_speed[2] = { 0.0, 0.0 };
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int set_clock_speed = 0;
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const char *flip_polarity = "auto";
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int ms_power = 0; /* 0..3 */
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int auth = 0;
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int warteschlange = 1;
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uint8_t fuz_nat = 1;
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uint8_t fuz_fuvst = 1;
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uint8_t fuz_rest = 38;
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uint8_t kennung_fufst = 1; /* normal prio */
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uint8_t ws_kennung = 0; /* no queue */
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uint8_t fuvst_sperren = 0; /* no blocking registration/calls */
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uint8_t grenz_einbuchen = 1; /* > 15 SNR */
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uint8_t grenz_umschalten = 15; /* < 18 SNR */
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uint8_t grenz_ausloesen = 15; /* < 18 SNR */
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uint8_t mittel_umschalten = 5; /* 64 Frames */
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uint8_t mittel_ausloesen = 5; /* 64 Frames */
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uint8_t genauigkeit = 1; /* limited accuracy */
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uint8_t bewertung = 1; /* rating by level */
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uint8_t entfernung = 3; /* 3km */
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uint8_t reduzierung = 0; /* factor 4 */
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uint8_t nachbar_prio = 0;
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int8_t futln_sperre_start = -1; /* no blocking */
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int8_t futln_sperre_end = -1; /* no range */
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enum demod_type demod = FSK_DEMOD_AUTO;
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int metering = 20;
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void print_help(const char *arg0)
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{
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main_mobile_print_help(arg0, "[-M] -S <rx ppm>,<tx ppm> -p -d ");
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/* - - */
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printf(" -T --channel-type <channel type> | list\n");
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printf(" Give channel type, use 'list' to get a list. (default = '%s')\n", chan_type_short_name(chan_type[0]));
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printf(" -M --measure-speed\n");
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printf(" Measures clock speed. THIS IS REQUIRED! See documentation!\n");
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printf(" -C --clock-speed <rx ppm>,<tx ppm>\n");
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printf(" Correct speed of sound card's clock. Use '-M' to measure speed for\n");
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printf(" some hours after temperature has settled. The use these results to\n");
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printf(" correct signal processing speed. After adjustment, the clock must match\n");
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printf(" +- 1ppm or better. CORRECTING CLOCK SPEED IS REQUIRED! See\n");
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printf(" documentation on how to measure correct value.\n");
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printf(" -F --flip-polarity no | yes | auto\n");
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printf(" Flip polarity of transmitted FSK signal. If yes, the sound card\n");
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printf(" generates a negative signal rather than a positive one. If auto, the\n");
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printf(" base station generates two virtual base stations with both polarities.\n");
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printf(" Once a mobile registers, the correct polarity is selected and used.\n");
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printf(" (default = %s)\n", flip_polarity);
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printf(" Note: This has no effect with SDR.\n");
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printf(" -P --ms-power <power level>\n");
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printf(" Give power level of the mobile station 0..3. (default = '%d')\n", ms_power);
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printf(" 0 = 50-125 mW; 1 = 0.5-1 W; 2 = 4-8 W; 3 = 10-20 W\n");
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printf(" -A --authentication\n");
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printf(" Enable authentication on the base station. Since we cannot\n");
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printf(" authenticate, because we don't know the secret key and the algorithm,\n");
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printf(" we just accept any card. With this we get the vendor IDs of the phone.\n");
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printf(" -Q --queue | --warteschlange 1 | 0\n");
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printf(" Enable queue support. If no channel is available, calls will be kept\n");
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printf(" in a queue for maximum of 60 seconds. (default = %d)\n", warteschlange);
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printf(" -G --gebuehren <seconds> | 0\n");
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printf(" Increment metering counter every given number of seconds.\n");
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printf(" To turn off, use 0. (default = %d)\n", metering);
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printf(" -S --sysinfo fuz-nat=<nat>\n");
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printf(" Set country ID of base station. All IDs were used inside Germany only.\n");
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printf(" (default = %d)\n", fuz_nat);
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printf(" -S --sysinfo fuz-fuvst=<id>\n");
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printf(" Set switching center ID of base station. (default = %d)\n", fuz_fuvst);
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printf(" -S --sysinfo fuz-rest=<id>\n");
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printf(" Set cell ID of base station. (default = %d)\n", fuz_rest);
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printf(" -S --sysinfo kennung-fufst=<id>\n");
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printf(" Set priority for selecting base station. (default = %d)\n", kennung_fufst);
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printf(" 0 = Test (Only special mobile stations may register.)\n");
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printf(" 1 = Normal priority base station.\n");
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printf(" 2 = Higher priority base station.\n");
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printf(" 3 = Highest priority base station.\n");
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printf(" Note: Priority has no effect, because there is only one base station.\n");
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printf(" -S --sysinfo ws-kennung=<value>\n");
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printf(" Queue setting of base station. (default = %d)\n", ws_kennung);
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printf(" 0 = No queue, calls will be handled directly.\n");
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printf(" 1 = Queue on outgoing calls.\n");
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printf(" 2 = Queue blocked, no calls allowed.\n");
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printf(" 3 = Reserved, don't use!\n");
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printf(" -S --sysinfo fuvst-sperren=<value>\n");
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printf(" Blocking registration and outgoing calls. (default = %d)\n", fuvst_sperren);
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printf(" 0 = Registration and outgoing calls allowed.\n");
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printf(" 1 = Only registration alloweed.\n");
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printf(" 2 = Only outgoing calls allowed. (Cannot work without registration!)\n");
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printf(" 3 = No registration and no outgoing calls allowed.\n");
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printf(" -S --sysinfo grenz-einbuchen=<value>\n");
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printf(" Minimum SNR to allow registration of mobile (default = %d)\n", grenz_einbuchen);
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printf(" 0 = No limit; 1 = >15 dB; 2 = >17 dB; 3 = >19 dB\n");
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printf(" 4 = >21 dB; 5 = >25 dB; 6 = >28 dB; 7 = >32 dB\n");
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printf(" -S --sysinfo grenz-umschalten=<value>\n");
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printf(" Minimum SNR before phone requests handover (default = %d)\n", grenz_umschalten);
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printf(" 15 = 18 dB ... 0 = 26 dB (external)\n");
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printf(" 13 = 16 dB ... 0 = 22 dB (internal)\n");
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printf(" -S --sysinfo grenz-ausloesen=<value>\n");
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printf(" Minimum SNR before phone releases of call (default = %d)\n", grenz_ausloesen);
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printf(" 15 = 18 dB ... 0 = 26 dB\n");
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printf(" -S --sysinfo mittel-umschalten=<value>\n");
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printf(" Number of frames to measure for handover criterium (default = %d)\n", mittel_umschalten);
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printf(" 0 = 2 measurements; 1 = 4 measurements; 2 = 8 measurememnts\n");
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printf(" 3 = 16 measurements; 4 = 32 measurements; 5 = 64 measurememnts\n");
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printf(" -S --sysinfo mittel-ausloesen=<value>\n");
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printf(" Number of frames to measure for release criterium (default = %d)\n", mittel_ausloesen);
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printf(" 0 = 2 measurements; 1 = 4 measurements; 2 = 8 measurememnts\n");
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printf(" 3 = 16 measurements; 4 = 32 measurements; 5 = 64 measurememnts\n");
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printf(" -S --sysinfo genauigkeit=<value>\n");
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printf(" Accuracy of base station (default = %d)\n", genauigkeit);
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printf(" 0 = full accuracy; 1 = limited accuracy\n");
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printf(" Note: This has no effect, because there is only one base station.\n");
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printf(" -S --sysinfo bewertung=<value>\n");
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printf(" Rating of base station (default = %d)\n", bewertung);
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printf(" 0 = by relative distance; 1 = by received level\n");
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printf(" Note: This has no effect, because there is only one base station.\n");
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printf(" -S --sysinfo entfernung=<value>\n");
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printf(" Base station size (default = %d)\n", entfernung);
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printf(" 0 = 1.5km; 1 = 2km; 2 = 2.5km; 3 = 3km; 4 = 5km; 5 = 5km\n");
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printf(" 6 = 6km; 7 = 7km; 8 = 8km; 9 = 10km; 10 = 12km; 11 = 14km\n");
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printf(" 12 = 16km; 13 = 17km; 14 = 23km; 15 = 30km\n");
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printf(" Note: This has no effect, because there is only one base station.\n");
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printf(" -S --sysinfo reduzierung=<value>\n");
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printf(" See specs value 'y' (default = %d)\n", reduzierung);
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printf(" 0 = 4; 1 = 3; 2 = 2; 3 = 1\n");
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printf(" Note: This has no effect, because there is only one base station.\n");
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printf(" -S --sysinfo nachbar-prio=<value>\n");
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printf(" See specs value 'g' (default = %d)\n", nachbar_prio);
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printf(" Note: This has no effect, because there is only one base station.\n");
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printf(" -S --sysinfo futln-sperre=<value>[-<value>]\n");
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printf(" Blocking registration and outgoing calls for selected mobile stations.\n");
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printf(" The 4 least significant bits of the subscriber number can be given to\n");
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printf(" block all matching phones. Alternatively the phone number may be given\n");
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printf(" here, so that the 4 bits get calculated automatically. The optional\n");
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printf(" second value can be given, to define a range - in the same way.\n");
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if (futln_sperre_start < 0) {
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printf(" (default = no value given)\n");
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} else if (futln_sperre_end < 0) {
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printf(" (default = %d)\n", futln_sperre_start);
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} else {
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printf(" (default = %d-%d)\n", futln_sperre_start, futln_sperre_end);
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}
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printf(" -D --demod auto | slope | level\n");
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printf(" Adjust demodulation algorithm. Use 'slope' to detect a level change\n");
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printf(" by finding the highest slope of a bit transition. It is useful, if\n");
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printf(" the receiver drifts to 0 after a while, due to DC decoupling. This\n");
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printf(" happens in every analog receiver and in every sound card input.\n");
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printf(" Use 'level' to detect a level change by passing zero level. This\n");
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printf(" requires a DC coupled signal, which is produced by SDR.\n");
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printf(" Use 'auto' to select 'slope' for sound card input and 'level' for SDR\n");
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printf(" input. (default = '%s')\n", (demod == FSK_DEMOD_LEVEL) ? "level" : (demod == FSK_DEMOD_SLOPE) ? "slope" : "auto");
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printf("\nstation-id: Give 7 digit station-id, you don't need to enter it for every\n");
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printf(" start of this program.\n");
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main_mobile_print_hotkeys();
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printf("Press 'i' key to dump list of currently attached subscribers.\n");
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}
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static int atoi_limit(const char *p, int l1, int l2)
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{
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int value = atoi(p);
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if (l1 < l2) {
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if (value < l1)
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value = l1;
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if (value > l2)
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value = l2;
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} else {
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if (value < l2)
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value = l2;
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if (value > l1)
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value = l1;
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}
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return value;
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}
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#define OPT_WARTESCHLANGE 256
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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', "channel-type", 1);
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option_add('M', "measure-speed", 0);
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option_add('C', "clock-speed", 1);
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option_add('F', "flip-polarity", 1);
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option_add('P', "ms-power", 1);
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option_add('A', "authentication", 0);
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option_add('Q', "queue", 1);
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option_add(OPT_WARTESCHLANGE, "warteschlange", 1);
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option_add('G', "gebuehren", 1);
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option_add('S', "sysinfo", 1);
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option_add('D', "demod", 1);
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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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int rc;
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const char *p;
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switch (short_option) {
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case 'T':
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if (!strcmp(argv[argi], "list")) {
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cnetz_channel_list();
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return 0;
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}
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rc = cnetz_channel_by_short_name(argv[argi]);
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if (rc < 0) {
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fprintf(stderr, "Error, channel type '%s' unknown. Please use '-t list' to get a list. I suggest to use the default.\n", argv[argi]);
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return -EINVAL;
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}
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OPT_ARRAY(num_chan_type, chan_type, rc)
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break;
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case 'M':
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measure_speed = 1;
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break;
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case 'C':
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p = strchr(argv[argi], ',');
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if (!p) {
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fprintf(stderr, "Illegal clock speed, use two values, seperated by comma and no spaces!\n");
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return -EINVAL;
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}
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clock_speed[0] = strtold(argv[argi], NULL);
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clock_speed[1] = strtold(p + 1, NULL);
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set_clock_speed = 1;
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break;
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case 'F':
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if (!strcasecmp(argv[argi], "no"))
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flip_polarity = "no";
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else if (!strcasecmp(argv[argi], "yes"))
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flip_polarity = "yes";
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else if (!strcasecmp(argv[argi], "auto"))
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flip_polarity = "auto";
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else {
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fprintf(stderr, "Given polarity '%s' is illegal, use '-h' for help!\n", argv[argi]);
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return -EINVAL;
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}
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break;
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case 'P':
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ms_power = atoi_limit(argv[argi], 0, 3);
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break;
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case 'A':
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auth = 1;
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break;
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case 'Q':
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case OPT_WARTESCHLANGE:
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warteschlange = atoi_limit(argv[argi], 0, 1);;
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break;
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case 'G':
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metering = atoi(argv[argi]);
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break;
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case 'S':
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p = strchr(argv[argi], '=');
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if (!p) {
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fprintf(stderr, "Given sysinfo parameter '%s' requires '=' character to set value, use '-h' for help!\n", argv[argi]);
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return -EINVAL;
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}
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p++;
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if (!strncasecmp(argv[argi], "fuz-nat=", p - argv[argi])) {
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fuz_nat = atoi_limit(p, 0, 7);
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} else
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if (!strncasecmp(argv[argi], "fuz-fuvst=", p - argv[argi])) {
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fuz_fuvst = atoi_limit(p, 0, 32);
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} else
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if (!strncasecmp(argv[argi], "fuz-rest=", p - argv[argi])) {
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fuz_rest = atoi_limit(p, 0, 255);
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} else
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if (!strncasecmp(argv[argi], "kennung-fufst=", p - argv[argi])) {
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kennung_fufst = atoi_limit(p, 0, 3);
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} else
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if (!strncasecmp(argv[argi], "ws-kennung=", p - argv[argi])) {
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ws_kennung = atoi_limit(p, 0, 3);
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} else
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if (!strncasecmp(argv[argi], "fuvst-sperren=", p - argv[argi])) {
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fuvst_sperren = atoi_limit(p, 0, 3);
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} else
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if (!strncasecmp(argv[argi], "grenz-einbuchen=", p - argv[argi])) {
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grenz_einbuchen = atoi_limit(p, 0, 7);
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} else
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if (!strncasecmp(argv[argi], "grenz-umschalten=", p - argv[argi])) {
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grenz_umschalten = atoi_limit(p, 0, 15);
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} else
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if (!strncasecmp(argv[argi], "grenz-ausloesen=", p - argv[argi])) {
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grenz_ausloesen = atoi_limit(p, 0, 15);
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} else
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if (!strncasecmp(argv[argi], "mittel-umschalten=", p - argv[argi])) {
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mittel_umschalten = atoi_limit(p, 0, 5);
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} else
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if (!strncasecmp(argv[argi], "mittel-ausloesen=", p - argv[argi])) {
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mittel_ausloesen = atoi_limit(p, 0, 5);
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} else
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if (!strncasecmp(argv[argi], "genauigkeit=", p - argv[argi])) {
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genauigkeit = atoi_limit(p, 0, 1);
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} else
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if (!strncasecmp(argv[argi], "bewertung=", p - argv[argi])) {
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bewertung = atoi_limit(p, 0, 1);
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} else
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if (!strncasecmp(argv[argi], "entfernung=", p - argv[argi])) {
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entfernung = atoi_limit(p, 0, 15);
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} else
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if (!strncasecmp(argv[argi], "nachbar-prio=", p - argv[argi])) {
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nachbar_prio = atoi_limit(p, 0, 1);
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} else
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if (!strncasecmp(argv[argi], "futln-sperre=", p - argv[argi])) {
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char value[128], *v, *q;
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strncpy(value, p, sizeof(value) - 1);
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value[sizeof(value) - 1] = '\0';
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v = value;
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q = strchr(value, '-');
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if (q)
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*q++ = '\0';
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if (strlen(v) > 5)
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v += strlen(v) - 5;
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futln_sperre_start = atoi(v) & 0xf;
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if (q) {
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if (strlen(q) > 5)
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q += strlen(q) - 5;
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futln_sperre_end = atoi(q) & 0xf;
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}
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} else
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{
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fprintf(stderr, "Given sysinfo parameter '%s' unknown, use '-h' for help!\n", argv[argi]);
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return -EINVAL;
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}
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break;
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case 'D':
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if (!strcasecmp(argv[argi], "auto"))
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demod = FSK_DEMOD_AUTO;
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else if (!strcasecmp(argv[argi], "slope"))
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demod = FSK_DEMOD_SLOPE;
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else if (!strcasecmp(argv[argi], "level"))
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demod = FSK_DEMOD_LEVEL;
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else {
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fprintf(stderr, "Given demodulation type '%s' is illegal, use '-h' for help!\n", argv[argi]);
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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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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 mandatory = 0;
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int polarity;
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int teilnehmergruppensperre = 0;
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|
int anzahl_gesperrter_teilnehmergruppen = 0;
|
|
int i;
|
|
|
|
/* init common tones */
|
|
init_freiton();
|
|
init_besetzton();
|
|
init_ansage();
|
|
|
|
main_mobile_init();
|
|
|
|
/* handle options / config file */
|
|
add_options();
|
|
rc = options_config_file("~/.osmocom/analog/cnetz.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) != 7) {
|
|
printf("Given station ID '%s' does not have 7 digits\n", station_id);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (!num_kanal) {
|
|
printf("No channel (\"Kanal\") is specified, I suggest channel %d.\n\n", CNETZ_OGK_KANAL);
|
|
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_OGK;
|
|
for (i = 1; i < num_kanal; i++)
|
|
chan_type[i] = CHAN_TYPE_SPK;
|
|
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 (!set_clock_speed && !measure_speed && !use_sdr) {
|
|
printf("No clock speed given. You need to measure clock using '-M' and later correct clock using '-S <rx ppm>,<tx ppm>'. See documentation for help!\n\n");
|
|
mandatory = 1;
|
|
}
|
|
|
|
if (mandatory) {
|
|
print_help(argv[0]);
|
|
return 0;
|
|
}
|
|
|
|
if (!loopback)
|
|
print_image();
|
|
|
|
/* init functions */
|
|
scrambler_init();
|
|
if (futln_sperre_start >= 0) {
|
|
teilnehmergruppensperre = futln_sperre_start;
|
|
if (futln_sperre_end >= 0)
|
|
anzahl_gesperrter_teilnehmergruppen = ((futln_sperre_end - futln_sperre_start) & 0xf) + 1;
|
|
else
|
|
anzahl_gesperrter_teilnehmergruppen = 1;
|
|
}
|
|
if (anzahl_gesperrter_teilnehmergruppen)
|
|
printf("Blocked subscriber with number's last 4 bits from 0x%x to 0x%x\n", teilnehmergruppensperre, (teilnehmergruppensperre + anzahl_gesperrter_teilnehmergruppen - 1) & 0xf);
|
|
init_sysinfo(fuz_nat, fuz_fuvst, fuz_rest, kennung_fufst, ws_kennung, fuvst_sperren, grenz_einbuchen, grenz_umschalten, grenz_ausloesen, mittel_umschalten, mittel_ausloesen, genauigkeit, bewertung, entfernung, reduzierung, nachbar_prio, teilnehmergruppensperre, anzahl_gesperrter_teilnehmergruppen);
|
|
dsp_init();
|
|
rc = init_telegramm();
|
|
if (rc < 0) {
|
|
fprintf(stderr, "Error in Telegramm structure. Quitting!\n");
|
|
goto fail;
|
|
}
|
|
init_coding();
|
|
cnetz_init();
|
|
|
|
/* check for mandatory OgK */
|
|
for (i = 0; i < num_kanal; i++) {
|
|
if (chan_type[i] == CHAN_TYPE_OGK || chan_type[i] == CHAN_TYPE_OGK_SPK)
|
|
break;
|
|
}
|
|
if (i == num_kanal) {
|
|
fprintf(stderr, "You must define at least one OgK (control) or OgK/SPK (control/speech) channel type. Quitting!\n");
|
|
goto fail;
|
|
}
|
|
|
|
/* OgK must be the first channel, so it becomes master. This is required for syncing SPK channels */
|
|
if (i != 0) {
|
|
fprintf(stderr, "The first channel you defined must be OgK (control) or OgK/SPK (control/speech) channel type. Quitting!\n");
|
|
goto fail;
|
|
}
|
|
|
|
/* check for mandatory OgK */
|
|
for (i = 0; i < num_kanal; i++) {
|
|
if (chan_type[i] == CHAN_TYPE_SPK || chan_type[i] == CHAN_TYPE_OGK_SPK)
|
|
break;
|
|
}
|
|
if (i == num_kanal)
|
|
fprintf(stderr, "You did not define any SpK (speech) channel. You will not be able to make any call.\n");
|
|
|
|
/* 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 carrier FSK signaling and scrambled voice (default) does not use\n");
|
|
fprintf(stderr, "emphasis, I like to control emphasis by myself for best results.\n");
|
|
fprintf(stderr, "*******************************************************************************\n");
|
|
}
|
|
|
|
polarity = 0; /* auto */
|
|
if (!strcmp(flip_polarity, "no"))
|
|
polarity = 1; /* positive */
|
|
if (!strcmp(flip_polarity, "yes"))
|
|
polarity = -1; /* negative */
|
|
if (use_sdr && polarity == 0)
|
|
polarity = 1; /* SDR is always positive */
|
|
|
|
/* demodulation algorithm */
|
|
if (demod == FSK_DEMOD_AUTO)
|
|
demod = (use_sdr) ? FSK_DEMOD_LEVEL : FSK_DEMOD_SLOPE;
|
|
if (demod == FSK_DEMOD_LEVEL && !use_sdr) {
|
|
fprintf(stderr, "*******************************************************************************\n");
|
|
fprintf(stderr, "I strongly suggest to use 'slope' demodulation algorithm!!!\n");
|
|
fprintf(stderr, "Using sound card will cause the DC levels to return to 0. Using 'level' assumes\n");
|
|
fprintf(stderr, "that a frequency offset never returns to 0. (Use this only with SDR.)\n");
|
|
fprintf(stderr, "*******************************************************************************\n");
|
|
}
|
|
|
|
/* create transceiver instance */
|
|
for (i = 0; i < num_kanal; i++) {
|
|
rc = cnetz_create(kanal[i], chan_type[i], audiodev[i], use_sdr, demod, samplerate, rx_gain, auth, warteschlange, metering, ms_power, (i == 0) ? measure_speed : 0, clock_speed, polarity, do_pre_emphasis, do_de_emphasis, 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;
|
|
}
|
|
if ((kanal[i] & 1)) {
|
|
printf("Base station on channel %d ready, please tune transmitter to %.3f MHz and receiver to %.3f MHz. (%.3f MHz offset)\n", kanal[i], cnetz_kanal2freq(kanal[i], 0) / 1e6, cnetz_kanal2freq(kanal[i], 1) / 1e6, cnetz_kanal2freq(kanal[i], 2) / 1e6);
|
|
} else {
|
|
printf("Base station on channel %d ready, please tune transmitter to %.4f MHz and receiver to %.4f MHz. (%.3f MHz offset)\n", kanal[i], cnetz_kanal2freq(kanal[i], 0) / 1e6, cnetz_kanal2freq(kanal[i], 1) / 1e6, cnetz_kanal2freq(kanal[i], 2) / 1e6);
|
|
}
|
|
}
|
|
|
|
main_mobile(&quit, latency, interval, NULL, station_id, 7);
|
|
|
|
fail:
|
|
flush_db();
|
|
|
|
/* destroy transceiver instance */
|
|
while (sender_head)
|
|
cnetz_destroy(sender_head);
|
|
|
|
return 0;
|
|
}
|
|
|