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-rw-r--r--src/amps/main_common.c440
1 files changed, 440 insertions, 0 deletions
diff --git a/src/amps/main_common.c b/src/amps/main_common.c
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--- /dev/null
+++ b/src/amps/main_common.c
@@ -0,0 +1,440 @@
+/* AMPS main
+ *
+ * (C) 2016 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 <errno.h>
+#include "../libsample/sample.h"
+#include "../libmobile/main_mobile.h"
+#include "../liblogging/logging.h"
+#include "../libmobile/call.h"
+#include "../liboptions/options.h"
+#include "../libfm/fm.h"
+#include "amps.h"
+#include "dsp.h"
+#include "frame.h"
+#include "stations.h"
+#include "main.h"
+
+/* settings */
+int num_chan_type = 0;
+enum amps_chan_type chan_type[MAX_SENDER] = { CHAN_TYPE_CC_PC_VC };
+const char *flip_polarity = "";
+int ms_power = 4;
+int dtx = 0;
+int send_callerid = 0;
+int dcc = 0, scc = 0, sid = 0, regh = 1, regr = 1, pureg = 0, pdreg = 0, locaid = -1, regincr = 300, bis = 0;
+int tolerant = 0;
+
+static void print_location_area_note(void)
+{
+ /* - - */
+ printf(" Warning: Older phones may not like this and show 'No Service'!\n");
+ printf(" Note: This feature was added 1995 to the standard, it might not work.\n");
+}
+
+void print_help(const char *arg0)
+{
+ if (!tacs)
+ main_mobile_print_help(arg0, "-p -d -F yes | no [-S sid=<sid>] ");
+ else
+ main_mobile_print_help(arg0, "-p -d -F yes | no [-S aid=<aid>] ");
+ /* - - */
+ 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(" -F --flip-polarity no | yes\n");
+ printf(" Flip polarity of transmitted FSK signal. If yes, the sound card\n");
+ printf(" generates a negative signal rather than a positive one. Be sure that\n");
+ printf(" a positive signal causes a positive deviation on your transmitter.\n");
+ printf(" If the phone shows 'NoSrv', try the other way.\n");
+ printf(" -P --ms-power <power level>\n");
+ printf(" Give power level of the mobile station 0..7. (default = '%d')\n", ms_power);
+ if (!tacs) {
+ printf(" 0 = 4 W; 1 = 1.6 W; 2 = 630 mW; 3 = 250 mW;\n");
+ printf(" 4 = 100 mW; 5 = 40 mW; 6 = 16 mW; 7 = 6.3 mW\n");
+ } else {
+ /* tacs, not jtacs: https://www.academia.edu/8265916/Total_Access_Communication_System?email_work_card=view-paper */
+ printf(" 0 = 2.28 W; 1 = 1.12 W; 2 = 447 mW; 3 = 178 mW;\n");
+ printf(" 4 = 70.8 mW; 5 = 28.2 mW; 6 = 11.2 mW; 7 = 4.5 mW\n");
+ }
+ printf(" -D --dtx <parameter>\n");
+ printf(" Give DTX parameter for Discontinuous Transmission. (default = '%d')\n", dtx);
+ printf(" 0 = disable DTX; 1 = reserved;\n");
+ printf(" 2 = 8 dB attenuation in low state; 3 = transmitter off\n");
+ printf(" -I --caller-id 1 | 0\n");
+ printf(" If set, the caller ID is sent while ringing the phone. (default = '%d')\n", send_callerid);
+ printf(" Note that this does not work as documented in the specs. If the phone\n");
+ printf(" does not support caller ID, it will abort connection on receiving\n");
+ printf(" caller ID for some unknown reason. Therefore use caller ID only with\n");
+ printf(" phones that support it.\n");
+ if (!tacs) {
+ printf(" -S --sysinfo sid=<System ID> | sid=list\n");
+ printf(" Give system ID of cell broadcast\n");
+ printf(" If it changes, phone re-registers. Use 'sid=list' to get a full list.\n");
+ } else {
+ printf(" -S --sysinfo aid=<System ID> | aid=list\n");
+ printf(" Give area ID of cell broadcast (default = '%d')\n", sid);
+ printf(" If it changes, phone re-registers. Use 'aid=list' to get a full list.\n");
+ }
+ printf(" -S --sysinfo dcc=<digital color code>\n");
+ printf(" Give digital color code 0..3 (default = '%d')\n", dcc);
+ printf(" -S --sysinfo scc=<SAT color code>\n");
+ printf(" Give supervisor tone color code 0..2 (default = '%d')\n", scc);
+ printf(" -S --sysinfo regincr\n");
+ printf(" Amount to add to REGID after successful registration (default = '%d')\n", regincr);
+ printf(" Since REGID is incremented every second, this value define after how\n");
+ printf(" many second the phone waits before it re-registers.\n");
+ printf(" -S --sysinfo pureg=0 | pureg=1\n");
+ printf(" If 1, phone registers on every power on (default = '%d')\n", pureg);
+ print_location_area_note();
+ printf(" -S --sysinfo pdreg=0 | pdreg=1\n");
+ printf(" If 1, phone de-registers on every power down (default = '%d')\n", pureg);
+ print_location_area_note();
+ printf(" -S --sysinfo locaid=<location area ID > | locaid=-1 to disable\n");
+ printf(" (default = '%d')\n", locaid);
+ printf(" If it changes, phone re-registers.\n");
+ print_location_area_note();
+ printf(" -S --sysinfo regh=0 | regh=1\n");
+ printf(" If 1, phone registers only if System ID matches (default = '%d')\n", regh);
+ printf(" -S --sysinfo regr=0 | regr=1\n");
+ printf(" If 1, phone registers only if System ID is different (default = '%d')\n", regr);
+ printf(" -S --sysinfo bis=0 | bis=1\n");
+ printf(" If 0, phone ignores BUSY/IDLE bit on FOCC (default = '%d')\n", bis);
+ printf(" If 1, be sure to have a round-trip delay (latency) not more than 5 ms\n");
+ printf(" -O --tolerant\n");
+ printf(" Be more tolerant when hunting for sync sequence\n");
+ main_mobile_print_station_id();
+ main_mobile_print_hotkeys();
+}
+
+static void add_options(void)
+{
+ main_mobile_add_options();
+ option_add('T', "channel-type", 1);
+ option_add('F', "flip-polarity", 1);
+ option_add('P', "ms-power", 1);
+ option_add('D', "dtx", 1);
+ option_add('I', "caller-id", 1);
+ option_add('S', "sysinfo", 1);
+ option_add('O', "tolerant", 0);
+}
+
+static int handle_options(int short_option, int argi, char **argv)
+{
+ const char *p;
+ int rc;
+
+ switch (short_option) {
+ case 'T':
+ if (!strcmp(argv[argi], "list")) {
+ amps_channel_list();
+ return 0;
+ }
+ rc = amps_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 'F':
+ if (!strcasecmp(argv[argi], "no"))
+ flip_polarity = "no";
+ else if (!strcasecmp(argv[argi], "yes"))
+ flip_polarity = "yes";
+ else {
+ fprintf(stderr, "Given polarity '%s' is illegal, use '-h' for help!\n", argv[argi]);
+ return -EINVAL;
+ }
+ break;
+ case 'P':
+ ms_power = atoi(argv[argi]);
+ if (ms_power > 7)
+ ms_power = 7;
+ if (ms_power < 0)
+ ms_power = 0;
+ break;
+ case 'D':
+ dtx = atoi(argv[argi]);
+ if (dtx > 3)
+ dtx = 3;
+ if (dtx < 0)
+ dtx = 0;
+ break;
+ case 'I':
+ send_callerid = atoi(argv[argi]);
+ break;
+ case 'S':
+ p = strchr(argv[argi], '=');
+ if (!p) {
+ fprintf(stderr, "Given sysinfo parameter '%s' requires '=' character to set value, use '-h' for help!\n", argv[argi]);
+ return -EINVAL;
+ }
+ p++;
+ if (!strncasecmp(argv[argi], "sid=", p - argv[argi])
+ || !strncasecmp(argv[argi], "aid=", p - argv[argi])) {
+ if (!strcasecmp(p, "list")) {
+ list_stations();
+ return 0;
+ }
+ sid = atoi(p);
+ if (sid > 32767)
+ sid = 32767;
+ if (sid < 0)
+ sid = 0;
+ } else
+ if (!strncasecmp(argv[argi], "dcc=", p - argv[argi])) {
+ dcc = atoi(p);
+ if (dcc > 3)
+ dcc = 3;
+ if (dcc < 0)
+ dcc = 0;
+ } else
+ if (!strncasecmp(argv[argi], "scc=", p - argv[argi])) {
+ scc = atoi(p);
+ if (scc > 2)
+ scc = 2;
+ if (scc < 0)
+ scc = 0;
+ } else
+ if (!strncasecmp(argv[argi], "regincr=", p - argv[argi])) {
+ regincr = atoi(p);
+ } else
+ if (!strncasecmp(argv[argi], "pureg=", p - argv[argi])) {
+ pureg = atoi(p) & 1;
+ } else
+ if (!strncasecmp(argv[argi], "pdreg=", p - argv[argi])) {
+ pdreg = atoi(p) & 1;
+ } else
+ if (!strncasecmp(argv[argi], "locaid=", p - argv[argi])) {
+ locaid = atoi(p);
+ if (locaid > 4095)
+ locaid = 4095;
+ } else
+ if (!strncasecmp(argv[argi], "regh=", p - argv[argi])) {
+ regh = atoi(p) & 1;
+ } else
+ if (!strncasecmp(argv[argi], "regr=", p - argv[argi])) {
+ regr = atoi(p) & 1;
+ } else
+ if (!strncasecmp(argv[argi], "bis=", p - argv[argi])) {
+ bis = atoi(p) & 1;
+ } else {
+ fprintf(stderr, "Given sysinfo parameter '%s' unknown, use '-h' for help!\n", argv[argi]);
+ return -EINVAL;
+ }
+ break;
+ case 'O':
+ tolerant = 1;
+ break;
+ default:
+ return main_mobile_handle_options(short_option, argi, argv);
+ }
+
+ return 1;
+}
+
+extern const struct number_lengths number_lengths[];
+
+int main_amps_tacs(const char *name, int argc, char *argv[])
+{
+ int rc, argi;
+ const char *station_id = "";
+ int polarity;
+ int i;
+
+ /* jtacs has only system A, so there are only odd AIDs */
+ if (jtacs)
+ sid = 1;
+
+ /* override default */
+ dsp_samplerate = 96000;
+
+ main_mobile_init("0123456789", number_lengths, number_prefixes, NULL);
+
+ /* handle options / config file */
+ add_options();
+ if (!tacs) {
+ rc = options_config_file(argc, argv, "~/.osmocom/analog/amps.conf", handle_options);
+ } else if (!jtacs) {
+ rc = options_config_file(argc, argv, "~/.osmocom/analog/tacs.conf", handle_options);
+ } else {
+ rc = options_config_file(argc, argv, "~/.osmocom/analog/jtacs.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");
+ if (rc)
+ return rc;
+ }
+
+ if (!num_kanal) {
+ printf("No channel (\"Kanal\") is specified, I suggest channel %d.\n\n", (!tacs) ? 333 : ((!jtacs) ? 323 : 418));
+ print_help(argv[0]);
+ return 0;
+ }
+ if (use_sdr) {
+ /* set device */
+ for (i = 0; i < num_kanal; i++)
+ dsp_device[i] = "sdr";
+ num_device = num_kanal;
+ /* set channel types for more than 1 channel */
+ if (num_kanal > 1 && num_chan_type == 0) {
+ chan_type[0] = CHAN_TYPE_CC_PC;
+ for (i = 1; i < num_kanal; i++)
+ chan_type[i] = CHAN_TYPE_VC;
+ num_chan_type = 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);
+ }
+ 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);
+ }
+
+ /* check for mandatory CC */
+ for (i = 0; i < num_kanal; i++) {
+ if (chan_type[i] == CHAN_TYPE_CC || chan_type[i] == CHAN_TYPE_CC_PC || chan_type[i] == CHAN_TYPE_CC_PC_VC)
+ break;
+ }
+ if (i == num_kanal) {
+ fprintf(stderr, "You must define at least one CC (control) or combined channel type. Quitting!\n");
+ goto fail;
+ }
+ // NOTE: Variable 'i' from above is used here:
+ /* default SID/AID, depending on system */
+ if (!sid) {
+ if (amps_channel2band(atoi(kanal[i]))[0] == 'A') {
+ if (!tacs)
+ sid = 1; /* Chicago */
+ else
+ sid = 2051; /* UK Vodafone */
+ } else {
+ if (!tacs)
+ sid = 40; /* Frisco */
+ else
+ sid = 3600; /* UK Cellnet */
+ }
+
+ }
+
+ if (bis && dsp_buffer > 5) {
+ fprintf(stderr, "If you use BUSY/IDLE bit, you need to lower the round-trip delay to 5 ms (--buffer 5).\n");
+ exit(0);
+ }
+
+ sid_stations(sid);
+
+ /* inits */
+ fm_init(fast_math);
+ dsp_init();
+ init_frame();
+
+ /* check for mandatory PC */
+ for (i = 0; i < num_kanal; i++) {
+ if (chan_type[i] == CHAN_TYPE_CC_PC || chan_type[i] == CHAN_TYPE_CC_PC_VC)
+ break;
+ }
+ if (i == num_kanal) {
+ fprintf(stderr, "You must define at least one PC (paging) or combined channel type. Quitting!\n");
+ goto fail;
+ }
+
+ /* check for mandatory VC */
+ for (i = 0; i < num_kanal; i++) {
+ if (chan_type[i] == CHAN_TYPE_VC || chan_type[i] == CHAN_TYPE_CC_PC_VC)
+ break;
+ }
+ if (i == num_kanal)
+ fprintf(stderr, "You did not define any VC (voice) 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 does not use emphasis, I like to control\n");
+ fprintf(stderr, "emphasis by myself for best results.\n");
+ fprintf(stderr, "*******************************************************************************\n");
+ }
+
+ if (!strcmp(flip_polarity, "no"))
+ polarity = 1; /* positive */
+ else if (!strcmp(flip_polarity, "yes"))
+ polarity = -1; /* negative */
+ else if (use_sdr)
+ polarity = 1; /* SDR is always positive */
+ else {
+ fprintf(stderr, "You must define, if the the TX deviation polarity has to be flipped. (-F yes | no) use '-h' for help.\n");
+ exit(0);
+ }
+
+ /* create transceiver instance */
+ for (i = 0; i < num_kanal; i++) {
+ amps_si si;
+
+ init_sysinfo(&si, ms_power, ms_power, dtx, dcc, sid >> 1, regh, regr, pureg, pdreg, locaid, regincr, bis);
+ rc = amps_create(kanal[i], chan_type[i], dsp_device[i], use_sdr, dsp_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, send_callerid, tolerant, loopback);
+ if (rc < 0) {
+ fprintf(stderr, "Failed to create \"Sender\" instance. Quitting!\n");
+ goto fail;
+ }
+ if (!tacs)
+ 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);
+ else
+ 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);
+ }
+
+ main_mobile_loop(name, &quit, NULL, station_id);
+
+fail:
+ /* destroy transceiver instance */
+ while (sender_head)
+ amps_destroy(sender_head);
+
+ /* exits */
+ main_mobile_exit();
+ fm_exit();
+
+ options_free();
+
+ return 0;
+}
+
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