initial import of Osmocom TETRA phy and lower MAC code

src/.gitignore

@@ -0,0 +1,8 @@
+*.o
+*.a
+*.pyc
+.*.swp
+conv_enc_test
+burst_test
+float_to_bits
+crc_test

src/Makefile

@@ -0,0 +1,25 @@
+CFLAGS=-g -O0 -Wall `pkg-config --cflags libosmocore 2> /dev/null` -I.
+LDFLAGS=`pkg-config --libs libosmocore 2> /dev/null` -losmocore
+
+all: conv_enc_test crc_test burst_test float_to_bits
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $^ -o $@
+
+libosmo-tetra-phy.a: phy/tetra_burst_sync.o phy/tetra_burst.o
+	$(AR) r $@ $^
+
+libosmo-tetra-mac.a: lower_mac/tetra_conv_enc.o tetra_tdma.o lower_mac/tetra_scramb.o lower_mac/tetra_rm3014.o lower_mac/tetra_interleave.o lower_mac/crc_simple.o tetra_common.o lower_mac/viterbi.o lower_mac/viterbi_cch.o lower_mac/viterbi_tch.o lower_mac/tetra_lower_mac.o tetra_upper_mac.o tetra_mac_pdu.o tetra_mle_pdu.o tetra_mm_pdu.o tetra_gsmtap.o
+	$(AR) r $@ $^
+
+float_to_bits: float_to_bits.o
+
+crc_test: crc_test.o tetra_common.o libosmo-tetra-mac.a
+
+burst_test: burst_test.o libosmo-tetra-phy.a libosmo-tetra-mac.a
+
+conv_enc_test: conv_enc_test.o testpdu.o libosmo-tetra-phy.a libosmo-tetra-mac.a
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
+
+clean:
+	@rm -f conv_enc_test crc_test burst_test float_to_bits *.o phy/*.o lower_mac/*.o *.a

src/burst_test.c

@@ -0,0 +1,74 @@
+/* Test program for tetra burst synchronizer */
+
+/* (C) 2011 by Harald Welte <[email protected]>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <fcntl.h>
+#include <sys/stat.h>
+
+#include <osmocore/utils.h>
+
+#include "tetra_common.h"
+#include <phy/tetra_burst.h>
+#include <phy/tetra_burst_sync.h>
+#include "tetra_gsmtap.h"
+
+int main(int argc, char **argv)
+{
+	int fd;
+	struct tetra_rx_state *trs;
+
+	if (argc < 2) {
+		fprintf(stderr, "Usage: %s <file_with_1_byte_per_bit>\n", argv[0]);
+		exit(1);
+	}
+
+	fd = open(argv[1], O_RDONLY);
+	if (fd < 0) {
+		perror("open");
+		exit(2);
+	}
+
+	tetra_gsmtap_init("localhost", 0);
+
+	trs = calloc(1, sizeof(*trs));
+
+	while (1) {
+		uint8_t buf[64];
+		int len;
+
+		len = read(fd, buf, sizeof(buf));
+		if (len < 0) {
+			perror("read");
+			exit(1);
+		} else if (len == 0) {
+			printf("EOF");
+			break;
+		}
+		tetra_burst_sync_in(trs, buf, len);
+	}
+
+	free(trs);
+
+	exit(0);
+}