408 lines
14 KiB
C
408 lines
14 KiB
C
/* AMPS 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 "../liboptions/options.h"
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#include "../libfm/fm.h"
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#include "amps.h"
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#include "dsp.h"
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#include "frame.h"
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#include "stations.h"
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#include "main.h"
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/* settings */
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int num_chan_type = 0;
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enum amps_chan_type chan_type[MAX_SENDER] = { CHAN_TYPE_CC_PC_VC };
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const char *flip_polarity = "";
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int ms_power = 4, dtx = 0, dcc = 0, scc = 0, sid = 0, regh = 1, regr = 1, pureg = 0, pdreg = 0, locaid = -1, regincr = 300, bis = 0;
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int tolerant = 0;
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void print_help(const char *arg0)
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{
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if (!tacs)
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main_mobile_print_help(arg0, "-p -d -F yes | no [-S sid=<sid>] ");
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else
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main_mobile_print_help(arg0, "-p -d -F yes | no [-S aid=<aid>] ");
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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(" -F --flip-polarity no | yes\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. Be sure that\n");
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printf(" a positive signal causes a positive deviation on your transmitter.\n");
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printf(" If the phone shows 'NoSrv', try the other way.\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..7. (default = '%d')\n", ms_power);
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printf(" 0 = %2d W; 1 = 1.6 W; 2 = 630 mW; 3 = 250 mW;\n", (tacs) ? 10 : 4);
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printf(" 4 = 100 mW; 5 = 40 mW; 6 = 16 mW; 7 = 6.3 mW\n");
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printf(" -D --dtx <parameter>\n");
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printf(" Give DTX parameter for Discontinuous Transmission. (default = '%d')\n", dtx);
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printf(" 0 = disable DTX; 1 = reserved;\n");
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printf(" 2 = 8 dB attenuation in low state; 3 = transmitter off\n");
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if (!tacs) {
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printf(" -S --sysinfo sid=<System ID> | sid=list\n");
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printf(" Give system ID of cell broadcast\n");
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printf(" If it changes, phone re-registers. Use 'sid=list' to get a full list.\n");
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} else {
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printf(" -S --sysinfo aid=<System ID> | aid=list\n");
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printf(" Give area ID of cell broadcast (default = '%d')\n", sid);
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printf(" If it changes, phone re-registers. Use 'aid=list' to get a full list.\n");
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}
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printf(" -S --sysinfo dcc=<digital color code>\n");
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printf(" Give digital color code 0..3 (default = '%d')\n", dcc);
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printf(" -S --sysinfo scc=<SAT color code>\n");
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printf(" Give supervisor tone color code 0..2 (default = '%d')\n", scc);
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printf(" -S --sysinfo regincr\n");
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printf(" Amount to add to REGID after successful registration (default = '%d')\n", regincr);
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printf(" Since REGID is incremented every second, this value define after how\n");
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printf(" many second the phone waits before it re-registers.\n");
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printf(" -S --sysinfo pureg=0 | pureg=1\n");
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printf(" If 1, phone registers on every power on (default = '%d')\n", pureg);
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printf(" Warning: Older phones may not like this and show 'No Service'!\n");
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printf(" -S --sysinfo pdreg=0 | pdreg=1\n");
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printf(" If 1, phone de-registers on every power down (default = '%d')\n", pureg);
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printf(" Warning: Older phones may not like this and show 'No Service'!\n");
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printf(" -S --sysinfo locaid=<location area ID > | locaid=-1 to disable\n");
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printf(" (default = '%d')\n", locaid);
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printf(" If it changes, phone re-registers.\n");
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printf(" Warning: Older phones may not like this and show 'No Service'!\n");
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printf(" -S --sysinfo regh=0 | regh=1\n");
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printf(" If 1, phone registers only if System ID matches (default = '%d')\n", regh);
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printf(" -S --sysinfo regr=0 | regr=1\n");
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printf(" If 1, phone registers only if System ID is different (default = '%d')\n", regr);
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printf(" -S --sysinfo bis=0 | bis=1\n");
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printf(" If 0, phone ignores BUSY/IDLE bit on FOCC (default = '%d')\n", bis);
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printf(" If 1, be sure to have a round-trip delay (latency) not more than 5 ms\n");
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printf(" -O --tolerant\n");
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printf(" Be more tolerant when hunting for sync sequence\n");
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printf("\nstation-id: Give 10 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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}
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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('F', "flip-polarity", 1);
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option_add('P', "ms-power", 1);
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option_add('D', "dtx", 1);
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option_add('S', "sysinfo", 1);
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option_add('O', "tolerant", 0);
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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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const char *p;
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int rc;
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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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amps_channel_list();
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return 0;
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}
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rc = amps_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 '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 {
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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(argv[argi]);
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if (ms_power > 7)
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ms_power = 7;
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if (ms_power < 0)
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ms_power = 0;
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break;
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case 'D':
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dtx = atoi(argv[argi]);
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if (dtx > 3)
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dtx = 3;
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if (dtx < 0)
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dtx = 0;
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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], "sid=", p - argv[argi])
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|| !strncasecmp(argv[argi], "aid=", p - argv[argi])) {
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if (!strcasecmp(p, "list")) {
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list_stations();
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return 0;
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}
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sid = atoi(p);
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if (sid > 32767)
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sid = 32767;
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if (sid < 0)
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sid = 0;
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} else
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if (!strncasecmp(argv[argi], "dcc=", p - argv[argi])) {
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dcc = atoi(p);
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if (dcc > 3)
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dcc = 3;
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if (dcc < 0)
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dcc = 0;
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} else
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if (!strncasecmp(argv[argi], "scc=", p - argv[argi])) {
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scc = atoi(p);
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if (scc > 2)
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scc = 2;
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if (scc < 0)
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scc = 0;
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} else
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if (!strncasecmp(argv[argi], "regincr=", p - argv[argi])) {
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regincr = atoi(p);
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} else
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if (!strncasecmp(argv[argi], "pureg=", p - argv[argi])) {
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pureg = atoi(p) & 1;
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} else
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if (!strncasecmp(argv[argi], "pdreg=", p - argv[argi])) {
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pdreg = atoi(p) & 1;
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} else
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if (!strncasecmp(argv[argi], "locaid=", p - argv[argi])) {
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locaid = atoi(p);
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if (locaid > 4095)
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locaid = 4095;
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} else
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if (!strncasecmp(argv[argi], "regh=", p - argv[argi])) {
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regh = atoi(p) & 1;
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} else
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if (!strncasecmp(argv[argi], "regr=", p - argv[argi])) {
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regr = atoi(p) & 1;
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} else
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if (!strncasecmp(argv[argi], "bis=", p - argv[argi])) {
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bis = atoi(p) & 1;
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} else {
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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 'O':
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tolerant = 1;
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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_amps_tacs(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 polarity;
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int i;
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/* override default */
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samplerate = 96000;
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main_mobile_init();
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/* handle options / config file */
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add_options();
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if (!tacs) {
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rc = options_config_file("~/.osmocom/analog/amps.conf", handle_options);
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} else if (!jtacs) {
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rc = options_config_file("~/.osmocom/analog/tacs.conf", handle_options);
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} else {
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rc = options_config_file("~/.osmocom/analog/jtacs.conf", handle_options);
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}
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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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if (strlen(station_id) != 10) {
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printf("Given station ID '%s' does not have 10 digits\n", station_id);
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return 0;
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}
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}
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if (!num_kanal) {
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printf("No channel (\"Kanal\") is specified, I suggest channel %d.\n\n", (!tacs) ? 333 : 323);
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print_help(argv[0]);
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return 0;
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}
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if (use_sdr) {
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/* set audiodev */
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for (i = 0; i < num_kanal; i++)
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audiodev[i] = "sdr";
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num_audiodev = num_kanal;
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/* set channel types for more than 1 channel */
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if (num_kanal > 1 && num_chan_type == 0) {
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chan_type[0] = CHAN_TYPE_CC_PC;
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for (i = 1; i < num_kanal; i++)
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chan_type[i] = CHAN_TYPE_VC;
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num_chan_type = num_kanal;
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}
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}
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if (num_kanal == 1 && num_audiodev == 0)
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num_audiodev = 1; /* use default */
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if (num_kanal != num_audiodev) {
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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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if (num_kanal == 1 && num_chan_type == 0)
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num_chan_type = 1; /* use default */
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if (num_kanal != num_chan_type) {
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fprintf(stderr, "You need to specify as many channel types as you have channels.\n");
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exit(0);
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}
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/* check for mandatory CC */
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for (i = 0; i < num_kanal; i++) {
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if (chan_type[i] == CHAN_TYPE_CC || chan_type[i] == CHAN_TYPE_CC_PC || chan_type[i] == CHAN_TYPE_CC_PC_VC)
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break;
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}
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if (i == num_kanal) {
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fprintf(stderr, "You must define at least one CC (control) or combined channel type. Quitting!\n");
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goto fail;
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}
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// NOTE: Variable 'i' from above is used here:
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/* default SID/AID, depending on system */
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if (!sid) {
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if (amps_channel2band(atoi(kanal[i]))[0] == 'A') {
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if (!tacs)
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sid = 1; /* Chicago */
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else
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sid = 2051; /* UK Vodafone */
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} else {
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if (!tacs)
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sid = 40; /* Frisco */
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else
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sid = 3600; /* UK Cellnet */
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}
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}
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if (bis && latency > 5) {
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fprintf(stderr, "If you use BUSY/IDLE bit, you need to lower the round-trip delay to 5 ms (--latency 5).\n");
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exit(0);
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}
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sid_stations(sid);
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/* inits */
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fm_init(fast_math);
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dsp_init();
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init_frame();
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/* check for mandatory PC */
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for (i = 0; i < num_kanal; i++) {
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if (chan_type[i] == CHAN_TYPE_CC_PC || chan_type[i] == CHAN_TYPE_CC_PC_VC)
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break;
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}
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if (i == num_kanal) {
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fprintf(stderr, "You must define at least one PC (paging) or combined channel type. Quitting!\n");
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goto fail;
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}
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/* check for mandatory VC */
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for (i = 0; i < num_kanal; i++) {
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if (chan_type[i] == CHAN_TYPE_VC || chan_type[i] == CHAN_TYPE_CC_PC_VC)
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break;
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}
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if (i == num_kanal)
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fprintf(stderr, "You did not define any VC (voice) channel. You will not be able to make any call.\n");
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/* SDR always requires emphasis */
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if (use_sdr) {
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do_pre_emphasis = 1;
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do_de_emphasis = 1;
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}
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if (!do_pre_emphasis || !do_de_emphasis) {
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fprintf(stderr, "*******************************************************************************\n");
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fprintf(stderr, "I strongly suggest to let me do pre- and de-emphasis (options -p -d)!\n");
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fprintf(stderr, "Use a transmitter/receiver without emphasis and let me do that!\n");
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fprintf(stderr, "Because carrier FSK signaling does not use emphasis, I like to control\n");
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fprintf(stderr, "emphasis by myself for best results.\n");
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fprintf(stderr, "*******************************************************************************\n");
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}
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if (!strcmp(flip_polarity, "no"))
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polarity = 1; /* positive */
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else if (!strcmp(flip_polarity, "yes"))
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polarity = -1; /* negative */
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else if (use_sdr)
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polarity = 1; /* SDR is always positive */
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else {
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fprintf(stderr, "You must define, if the the TX deviation polarity has to be flipped. (-F yes | no) use '-h' for help.\n");
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exit(0);
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}
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/* create transceiver instance */
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for (i = 0; i < num_kanal; i++) {
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amps_si si;
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init_sysinfo(&si, ms_power, ms_power, dtx, dcc, sid >> 1, regh, regr, pureg, pdreg, locaid, regincr, bis);
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rc = amps_create(kanal[i], chan_type[i], audiodev[i], use_sdr, samplerate, rx_gain, tx_gain, do_pre_emphasis, do_de_emphasis, write_rx_wave, write_tx_wave, read_rx_wave, read_tx_wave, &si, sid, scc, polarity, tolerant, 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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if (!tacs)
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printf("Base station on channel %s ready (%s), please tune transmitter to %.3f MHz and receiver to %.3f MHz. (%.3f MHz offset)\n", kanal[i], chan_type_long_name(chan_type[i]), amps_channel2freq(atoi(kanal[i]), 0) / 1e6, amps_channel2freq(atoi(kanal[i]), 1) / 1e6, amps_channel2freq(atoi(kanal[i]), 2) / 1e6);
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else
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printf("Base station on channel %s ready (%s), please tune transmitter to %.4f MHz and receiver to %.4f MHz. (%.3f MHz offset)\n", kanal[i], chan_type_long_name(chan_type[i]), amps_channel2freq(atoi(kanal[i]), 0) / 1e6, amps_channel2freq(atoi(kanal[i]), 1) / 1e6, amps_channel2freq(atoi(kanal[i]), 2) / 1e6);
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}
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main_mobile(&quit, latency, interval, NULL, station_id, 10);
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fail:
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/* destroy transceiver instance */
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while (sender_head)
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amps_destroy(sender_head);
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/* exits */
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fm_exit();
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return 0;
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}
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