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-rw-r--r--Transceiver52M/runTransceiver.cpp231
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diff --git a/Transceiver52M/runTransceiver.cpp b/Transceiver52M/runTransceiver.cpp
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-/*
-* Copyright 2008, 2009, 2010 Free Software Foundation, Inc.
-* Copyright 2010 Kestrel Signal Processing, Inc.
-*
-* This software is distributed under the terms of the GNU Affero Public License.
-* See the COPYING file in the main directory for details.
-*
-* This use of this software may be subject to additional restrictions.
-* See the LEGAL file in the main directory for details.
-
- 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/>.
-
-*/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "Transceiver.h"
-#include "radioDevice.h"
-
-#include <time.h>
-#include <signal.h>
-
-#include <GSMCommon.h>
-#include <Logger.h>
-#include <Configuration.h>
-
-#define CONFIGDB "/etc/OpenBTS/OpenBTS.db"
-
-/* Samples-per-symbol for downlink path
- * 4 - Uses precision modulator (more computation, less distortion)
- * 1 - Uses minimized modulator (less computation, more distortion)
- *
- * Other values are invalid. Receive path (uplink) is always
- * downsampled to 1 sps. Default to 4 sps for all cases except for
- * ARM and non-SIMD enabled architectures.
- */
-#if defined(HAVE_NEON) || !defined(HAVE_SSE3)
-#define SPS 1
-#else
-#define SPS 4
-#endif
-
-ConfigurationTable gConfig(CONFIGDB);
-
-volatile bool gbShutdown = false;
-
-static void ctrlCHandler(int signo)
-{
- std::cout << "Received shutdown signal" << std::endl;
- gbShutdown = true;
-}
-
-/*
- * Attempt to open and test the database file before
- * accessing the configuration table. We do this because
- * the global table constructor cannot provide notification
- * in the event of failure.
- */
-int testConfig(const char *filename)
-{
- int rc, val = 9999;
- sqlite3 *db;
- std::string test = "sadf732zdvj2";
-
- const char *keys[3] = {
- "Log.Level",
- "TRX.Port",
- "TRX.IP",
- };
-
- /* Try to open the database */
- rc = sqlite3_open(filename, &db);
- if (rc || !db) {
- std::cerr << "Config: Database could not be opened" << std::endl;
- return -1;
- } else {
- sqlite3_close(db);
- }
-
- /* Attempt to set a value in the global config */
- if (!gConfig.set(test, val)) {
- std::cerr << "Config: Failed to set test key - "
- << "permission to access the database?" << std::endl;
- return -1;
- } else {
- gConfig.remove(test);
- }
-
- /* Attempt to query */
- for (int i = 0; i < 3; i++) {
- try {
- gConfig.getStr(keys[i]);
- } catch (...) {
- std::cerr << "Config: Failed query on " << keys[i] << std::endl;
- return -1;
- }
- }
-
- return 0;
-}
-
-int main(int argc, char *argv[])
-{
- int trxPort, radioType, chans = 1, extref = 0, fail = 0, diversity = 0;
- std::string logLevel, trxAddr, deviceArgs = "";
- RadioDevice *usrp = NULL;
- RadioInterface *radio = NULL;
- Transceiver *trx = NULL;
- VectorFIFO *fifo = NULL;
-
- if (argc == 3) {
- deviceArgs = std::string(argv[2]);
- chans = atoi(argv[1]);
- } else if (argc == 2) {
- chans = atoi(argv[1]);
- } else if (argc != 1) {
- std::cout << argv[0] << " <number of channels> <device args>" << std::endl;
- }
-
- if (signal(SIGINT, ctrlCHandler) == SIG_ERR) {
- std::cerr << "Couldn't install signal handler for SIGINT" << std::endl;
- return EXIT_FAILURE;
- }
-
- if (signal(SIGTERM, ctrlCHandler) == SIG_ERR) {
- std::cerr << "Couldn't install signal handler for SIGTERM" << std::endl;
- return EXIT_FAILURE;
- }
-
- // Configure logger.
- if (testConfig(CONFIGDB) < 0) {
- std::cerr << "Config: Database failure" << std::endl;
- return EXIT_FAILURE;
- }
-
- logLevel = gConfig.getStr("Log.Level");
- trxPort = gConfig.getNum("TRX.Port");
- trxAddr = gConfig.getStr("TRX.IP");
-
- if (gConfig.defines("TRX.Reference"))
- extref = gConfig.getNum("TRX.Reference");
-
- if (extref)
- std::cout << "Using external clock reference" << std::endl;
- else
- std::cout << "Using internal clock reference" << std::endl;
-
- gLogInit("transceiver", logLevel.c_str(), LOG_LOCAL7);
-
- srandom(time(NULL));
-
- if (diversity)
- chans = 2;
-
- usrp = RadioDevice::make(SPS, chans, diversity);
- radioType = usrp->open(deviceArgs, extref);
- if (radioType < 0) {
- LOG(ALERT) << "Transceiver exiting..." << std::endl;
- return EXIT_FAILURE;
- }
-
- switch (radioType) {
- case RadioDevice::NORMAL:
- radio = new RadioInterface(usrp, SPS, chans);
- break;
- case RadioDevice::RESAMP_64M:
- case RadioDevice::RESAMP_100M:
- radio = new RadioInterfaceResamp(usrp, SPS, chans);
- break;
- case RadioDevice::DIVERSITY:
- radio = new RadioInterfaceDiversity(usrp, SPS, chans);
- break;
- default:
- LOG(ALERT) << "Unsupported configuration";
- fail = 1;
- goto shutdown;
- }
- if (!radio->init(radioType)) {
- LOG(ALERT) << "Failed to initialize radio interface";
- fail = 1;
- goto shutdown;
- }
-
- trx = new Transceiver(trxPort, trxAddr.c_str(),
- SPS, chans, GSM::Time(3,0), radio);
- if (!trx->init()) {
- LOG(ALERT) << "Failed to initialize transceiver";
- fail = 1;
- goto shutdown;
- }
-
- for (int i = 0; i < chans; i++) {
- fifo = radio->receiveFIFO(i);
- if (fifo && trx->receiveFIFO(fifo, i))
- continue;
-
- LOG(ALERT) << "Could not attach FIFO to channel " << i;
- fail = 1;
- goto shutdown;
- }
-
- trx->start();
-
- while (!gbShutdown)
- sleep(1);
-
-shutdown:
- std::cout << "Shutting down transceiver..." << std::endl;
-
- delete trx;
- delete radio;
- delete usrp;
-
- if (fail)
- return EXIT_FAILURE;
-
- return 0;
-}