Refactored out rtl_tcp stuff to libs

src/algorithms/signal_source/libs/CMakeLists.txt

@@ -0,0 +1,25 @@
+# Copyright (C) 2012-2015  (see AUTHORS file for a list of contributors)
+#
+# This file is part of GNSS-SDR.
+#
+# GNSS-SDR 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.
+#
+# GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
+#
+
+set (SIGNAL_SOURCE_LIB_SOURCES
+  rtl_tcp_commands.cc
+  rtl_tcp_dongle_info.cc)
+
+file(GLOB SIGNAL_SOURCE_LIB_HEADERS "*.h")
+add_library(signal_source_lib ${SIGNAL_SOURCE_LIB_SOURCES} ${SIGNAL_SOURCE_LIB_HEADERS})
+source_group(Headers FILES ${SIGNAL_SOURCE_LIB_HEADERS})

src/algorithms/signal_source/libs/rtl_tcp_commands.cc

@@ -0,0 +1,53 @@
+/*!
+ * \file rtl_tcp_commands.cc
+ * \brief Defines methods for communicating with rtl_tcp
+ * \author Anthony Arnold, 2015. anthony.arnold(at)uqconnect.edu.au
+ *
+ * This file contains information taken from librtlsdr:
+ *  http://git.osmocom.org/rtl-sdr/
+ * -------------------------------------------------------------------------
+ *
+ * Copyright (C) 2010-2015  (see AUTHORS file for a list of contributors)
+ *
+ * GNSS-SDR is a software defined Global Navigation
+ *          Satellite Systems receiver
+ *
+ * This file is part of GNSS-SDR.
+ *
+ * GNSS-SDR 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.
+ *
+ * GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * -------------------------------------------------------------------------
+ */
+#include "rtl_tcp_commands.h"
+#include <string.h>
+
+using boost::asio::ip::tcp;
+
+
+boost::system::error_code
+rtl_tcp_command (RTL_TCP_COMMAND id, unsigned param, tcp::socket &socket) {
+    // Data payload
+    unsigned char data[sizeof (unsigned char) + sizeof (unsigned)];
+
+    data[0] = static_cast<unsigned char> (id);
+
+
+    unsigned nparam =
+       boost::asio::detail::socket_ops::host_to_network_long (param);
+    ::memcpy (&data[1], &nparam, sizeof (nparam));
+
+    boost::system::error_code ec;
+    socket.send (boost::asio::buffer (data), 0, ec);
+    return ec;
+}

src/algorithms/signal_source/libs/rtl_tcp_commands.h

@@ -0,0 +1,55 @@
+/*!
+ * \file rtl_tcp_commands.h
+ * \brief Defines structures and constants for communicating with rtl_tcp
+ * \author Anthony Arnold, 2015. anthony.arnold(at)uqconnect.edu.au
+ *
+ * This file contains information taken from librtlsdr:
+ *  http://git.osmocom.org/rtl-sdr/
+ * -------------------------------------------------------------------------
+ *
+ * Copyright (C) 2010-2015  (see AUTHORS file for a list of contributors)
+ *
+ * GNSS-SDR is a software defined Global Navigation
+ *          Satellite Systems receiver
+ *
+ * This file is part of GNSS-SDR.
+ *
+ * GNSS-SDR 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.
+ *
+ * GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * -------------------------------------------------------------------------
+ */
+#ifndef GNSS_SDR_RTL_TCP_COMMANDS_H
+#define GNSS_SDR_RTL_TCP_COMMANDS_H
+
+#include <boost/asio/ip/tcp.hpp>
+
+/// Command IDs for configuration rtl_tcp
+enum RTL_TCP_COMMAND {
+    RTL_TCP_SET_FREQUENCY = 1,
+    RTL_TCP_SET_SAMPLE_RATE = 2,
+    RTL_TCP_SET_GAIN_MODE = 3,
+    RTL_TCP_SET_GAIN = 4,
+    RTL_TCP_SET_IF_GAIN = 6,
+    RTL_TCP_SET_AGC_MODE = 8
+};
+
+
+/*!
+ * \brief Send a command to rtl_tcp over the given socket.
+ */
+boost::system::error_code
+rtl_tcp_command (RTL_TCP_COMMAND id, unsigned param,
+                 boost::asio::ip::tcp::socket &socket);
+
+#endif // GNSS_SDR_RTL_TCP_COMMANDS_H

src/algorithms/signal_source/libs/rtl_tcp_dongle_info.cc

@@ -0,0 +1,90 @@
+/*!
+ * \file rtl_tcp_dongle_info.cc
+ * \brief Defines methods for retrieving and validating rtl_tcp donle
+ *  info.
+ * \author Anthony Arnold, 2015. anthony.arnold(at)uqconnect.edu.au
+ *
+ * This file contains information taken from librtlsdr:
+ *  http://git.osmocom.org/rtl-sdr/
+ * -------------------------------------------------------------------------
+ *
+ * Copyright (C) 2010-2015  (see AUTHORS file for a list of contributors)
+ *
+ * GNSS-SDR is a software defined Global Navigation
+ *          Satellite Systems receiver
+ *
+ * This file is part of GNSS-SDR.
+ *
+ * GNSS-SDR 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.
+ *
+ * GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * -------------------------------------------------------------------------
+ */
+#include "rtl_tcp_dongle_info.h"
+#include <string.h>
+
+using boost::asio::ip::tcp;
+
+rtl_tcp_dongle_info::rtl_tcp_dongle_info ()
+    : tuner_type_ (0), tuner_gain_count_ (0)
+{
+    ::memset (magic_, 0, sizeof (magic_));
+}
+
+boost::system::error_code rtl_tcp_dongle_info::read (tcp::socket &socket) {
+    boost::system::error_code ec;
+
+    unsigned char data[sizeof (char) * 4 + sizeof (uint32_t) * 2];
+    socket.receive (boost::asio::buffer (data), 0, ec);
+    if (!ec) {
+        ::memcpy (magic_, data, 4);
+
+        uint32_t type;
+        ::memcpy (&type, &data[4], 4);
+
+        tuner_type_ =
+           boost::asio::detail::socket_ops::network_to_host_long (type);
+
+
+        uint32_t count;
+        ::memcpy (&count, &data[8], 4);
+
+        tuner_gain_count_ =
+           boost::asio::detail::socket_ops::network_to_host_long (count);
+    }
+    return ec;
+}
+
+
+const char *rtl_tcp_dongle_info::get_type_name () const {
+    switch (get_tuner_type()) {
+    default:
+        return "UNKNOWN";
+    case TUNER_E4000:
+        return "E4000";
+    case TUNER_FC0012:
+        return "FC0012";
+    case TUNER_FC0013:
+        return "FC0013";
+    case TUNER_FC2580:
+        return "FC2580";
+    case TUNER_R820T:
+        return "R820T";
+    case TUNER_R828D:
+        return "R828D";
+    }
+}
+
+bool rtl_tcp_dongle_info::is_valid () const {
+    return ::memcmp (magic_, "RTL0", 4) == 0;
+}

src/algorithms/signal_source/libs/rtl_tcp_dongle_info.h

@@ -0,0 +1,78 @@
+/*!
+ * \file rtl_tcp_dongle_info.h
+ * \brief Interface for a structure sent by rtl_tcp defining the hardware.
+ * \author Anthony Arnold, 2015. anthony.arnold(at)uqconnect.edu.au
+ *
+ * This file contains information taken from librtlsdr:
+ *  http://git.osmocom.org/rtl-sdr/
+ * -------------------------------------------------------------------------
+ *
+ * Copyright (C) 2010-2015  (see AUTHORS file for a list of contributors)
+ *
+ * GNSS-SDR is a software defined Global Navigation
+ *          Satellite Systems receiver
+ *
+ * This file is part of GNSS-SDR.
+ *
+ * GNSS-SDR 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.
+ *
+ * GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * -------------------------------------------------------------------------
+ */
+#ifndef GNSS_SDR_RTL_TCP_DONGLE_INFO_H
+#define GNSS_SDR_RTL_TCP_DONGLE_INFO_H
+
+#include <boost/asio/ip/tcp.hpp>
+
+/*!
+ * \brief This class represents the dongle information
+ * which is sent by rtl_tcp.
+ */
+class rtl_tcp_dongle_info {
+  public:
+    enum {
+        TUNER_UNKNOWN = 0,
+        TUNER_E4000,
+        TUNER_FC0012,
+        TUNER_FC0013,
+        TUNER_FC2580,
+        TUNER_R820T,
+        TUNER_R828D
+    };
+
+  private:
+    char magic_[4];
+    uint32_t tuner_type_;
+    uint32_t tuner_gain_count_;
+
+  public:
+    rtl_tcp_dongle_info ();
+
+    boost::system::error_code read (
+        boost::asio::ip::tcp::socket &socket);
+
+    bool is_valid () const;
+
+    const char *get_type_name () const;
+
+    inline uint32_t get_tuner_type () const {
+        return tuner_type_;
+    }
+
+    inline uint32_t get_tuner_gain_count () const {
+        return tuner_gain_count_;
+    }
+};
+
+
+#endif // GNSS_SDR_RTL_TCP_DONGLE_INFO_H