TACS support (variations added to AMPS code)

These are:

- Bandwidth only 25 KHz, so lower deviations
- Data rate only 8000 KHz
- SID is called AID (Area ID)
- MIN1 coding is different

src/tacs/Makefile.am

@@ -0,0 +1,21 @@
+AM_CPPFLAGS = -Wall -Wextra -g $(all_includes)
+
+bin_PROGRAMS = \
+	tacs
+
+tacs_SOURCES = \
+	tones.c \
+	outoforder.c \
+	stations.c \
+	image.c \
+	main.c
+
+tacs_LDADD = \
+	$(COMMON_LA) \
+	../amps/libamps.a \
+	$(top_builddir)/src/common/libcommon.a \
+	$(ALSA_LIBS) \
+	$(UHD_LIBS) \
+	$(SOAPY_LIBS) \
+	-lm
+

src/tacs/image.c

@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <string.h>
+#include "image.h"
+
+const char *image[] = {
+	"               @B(@g#@B)",
+	"                @g#",
+	"                #",
+	"                #",
+	"                #   @R_____",
+	"               _@g#@R--- _._ ---__",
+	"              |_____(_|_)_____|",
+	"               |  @WTELEPHONE@R  |",
+	"              |###############|",
+	"              |###############|",
+	"              |##   |   |   ##|",
+	"              |## @B1@R | @B2@R | @B3@R ##|",
+	"              |##___|___|___##|       @WTACS@R",
+	"              |##   |   |   ##|",
+	"              |## @B4@R | @B5@R | @B6@R ##|",
+	"              |##___|___|___##|",
+	"              |##   |   |   ##|",
+	"              |## @B7@R | @B8@R | @B9@R ##|",
+	"              |##___|___|___##|",
+	"              |##   |   |   ##|",
+	"              |## @B*@R | @B0@R | @B#@R ##|",
+	"              |##___|___|___##|",
+	"              |###############|",
+	"              |##+---------+##|",
+	"              |##+---------+##|",
+	"              |###############|",
+	"              @g+++++++++++++++++",
+	"@W",
+	NULL
+};
+
+void print_image(void)
+{
+	int i, j;
+
+	for (i = 0; image[i]; i++) {
+		for (j = 0; j < (int)strlen(image[i]); j++) {
+			if (image[i][j] == '@') {
+				j++;
+				switch(image[i][j]) {
+				case 'R': /* red */
+					printf("\033[1;31m");
+					break;
+				case 'g': /* gray */
+					printf("\033[0;37m");
+					break;
+				case 'W': /* white */
+					printf("\033[1;37m");
+					break;
+				case 'B': /* blue */
+					printf("\033[1;34m");
+					break;
+				}
+			} else
+				printf("%c", image[i][j]);
+		}
+		printf("\n");
+	}
+	printf("\033[0;39m");
+}
+

src/tacs/image.h

@@ -0,0 +1,3 @@
+
+void print_image(void);
+

src/tacs/main.c

@@ -0,0 +1,14 @@
+#include "../amps/main.h"
+#include "../amps/tones.h"
+#include "../amps/outoforder.h"
+
+const int tacs = 1;
+
+int main(int argc, char *argv[])
+{
+	/* init common tones */
+	init_tones();
+	init_outoforder();
+
+	return main_amps_tacs(argc, argv);
+}

src/tacs/stations.c

@@ -0,0 +1,89 @@
+#include <stdio.h>
+#include <string.h>
+#include "../amps/stations.h"
+
+/* area codes */
+static struct tacs_areas {
+	const char *number;		/* country code (first 3 digits of subscriber number) + area code */
+	const char *carrier;		/* name of carrier */
+	const char *country;		/* name of country */
+	const char *national_prefix; /* digits to dial inside country */
+} tacs_areas[] = {
+	{ "2220",	"Telecom Italia Mobile",	"Italy",		"0336" },
+	{ "2222",	"Telecom Italia Mobile",	"Italy",		"0337" },
+	{ "2224",	"Telecom Italia Mobile",	"Italy",		"0330" },
+	{ "2225",	"Telecom Italia Mobile",	"Italy",		"0360" },
+	{ "2226",	"Telecom Italia Mobile",	"Italy",		"0368" },
+	{ "2340",	"Vodafone",			"United Kingdom",	"0836" },
+	{ "2341",	"Vodafone",			"United Kingdom",	"0421" },
+	{ "2342",	"CellNet",			"United Kingdom",	"0860" },
+	{ "2343",	"Vodafone",			"United Kingdom",	"0378" },
+	{ "2344",	"Vodafone",			"United Kingdom",	"0831" },
+	{ "2345",	"Vodafone",			"United Kingdom",	"0374" },
+	{ "2346",	"CellNet",			"United Kingdom",	"0850" },
+	{ "2347",	"CellNet",			"United Kingdom",	"0589" },
+	{ "2348",	"CellNet",			"United Kingdom",	"0402" },
+	{ "2349",	"CellNet",			"United Kingdom",	"0585" },
+	{ NULL, NULL, NULL, NULL }
+};
+
+void numbering(const char *number, const char **carrier, const char **country, const char **national_number)
+{
+	int i;
+	static char digits[64];
+
+	for (i = 0; tacs_areas[i].carrier; i++) {
+		if (!strncmp(number, tacs_areas[i].number, 4)) {
+			*carrier = tacs_areas[i].carrier;
+			*country = tacs_areas[i].country;
+			if (tacs_areas[i].national_prefix) {
+				strcpy(digits, tacs_areas[i].national_prefix);
+				strcat(digits, number + 4);
+				*national_number = digits;
+			}
+		}
+	}
+}
+
+/*
+	1: the AID, system Identification number
+	2: the telephone company name
+	3: the country
+*/
+static struct tacs_stations {
+	int aid;
+	const char *carrier, *country;
+} tacs_stations[] = {
+	{ -1,		"Telecom Italia Mobile",	"Italy" },
+	{ 3600,		"CellNet",			"United Kingdom" },
+	{ 2051,		"VodaFone",			"United Kingdom" },
+	{ 0, NULL, NULL }
+};
+
+void list_stations(void)
+{
+	int i;
+
+	for (i = 0; tacs_stations[i].carrier; i++) {
+		if (tacs_stations[i].aid >= 0)
+			printf("AID:%5d", tacs_stations[i].aid);
+		else
+			printf("AID:  ???");
+		printf(" Carrier: %s, %s\n", tacs_stations[i].carrier, tacs_stations[i].country);
+	}
+}
+
+void sid_stations(int aid)
+{
+	int i, first = 1;
+
+	for (i = 0; tacs_stations[i].carrier; i++) {
+		if (aid == tacs_stations[i].aid) {
+			if (first)
+				printf("Selected Area ID (AID) %d belongs to:\n", tacs_stations[i].aid);
+			first = 0;
+			printf("\t%s, %s\n",  tacs_stations[i].carrier, tacs_stations[i].country);
+		}
+	}
+}
+