New Teleorbit Flexiband adapter for Teleorbit Flexiband frontends

(optional signal source). It requires a external GNU Radio driver.

src/algorithms/signal_source/adapters/CMakeLists.txt

@@ -51,6 +51,28 @@ if(ENABLE_GN3S)
      )     
 endif(ENABLE_GN3S)
 
+if(ENABLE_FLEXIBAND)
+     ##############################################
+     # TELEORBIT FLEXIBAND FRONTEND ADAPTER
+     ##############################################
+     if(OS_IS_MACOSX)
+          set(MACOSX_ARGS "-DCMAKE_CXX_COMPILER=/usr/bin/clang++")
+     endif(OS_IS_MACOSX)
+    find_package(teleorbit REQUIRED)
+    if(NOT TELEORBIT_FOUND)
+        message(FATAL_ERROR "Teleorbit Flexiband GNURadio driver required to build gnss-sdr with the optional FLEXIBAND adapter")
+    endif(NOT TELEORBIT_FOUND) 
+     
+     # Set up variables
+    set(FLEXIBAND_DRIVER_INCLUDE_DIRS 
+        ${OPT_DRIVER_INCLUDE_DIRS} 
+        ${TELEORBIT_INCLUDE_DIR}/teleorbit
+    )
+    set(OPT_LIBRARIES ${OPT_LIBRARIES} ${TELEORBIT_LIBRARIES})
+    set(OPT_DRIVER_INCLUDE_DIRS ${OPT_DRIVER_INCLUDE_DIRS} ${FLEXIBAND_DRIVER_INCLUDE_DIRS}) 
+    set(OPT_DRIVER_SOURCES ${OPT_DRIVER_SOURCES} flexiband_signal_source.cc)
+endif(ENABLE_FLEXIBAND)
+
 
 if(ENABLE_ARRAY)
      ##############################################

src/algorithms/signal_source/adapters/flexiband_signal_source.cc

@@ -0,0 +1,146 @@
+/*!
+ * \file raw_array_signal_source.cc
+ * \brief CTTC Experimental GNSS 8 channels array signal source
+ * \author Javier Arribas, jarribas(at)cttc.es
+ *
+ * -------------------------------------------------------------------------
+ *
+ * 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 "flexiband_signal_source.h"
+#include <gnuradio/blocks/file_sink.h>
+#include <gnuradio/msg_queue.h>
+#include <glog/logging.h>
+#include <teleorbit/frontend.h>
+#include "configuration_interface.h"
+
+
+using google::LogMessage;
+
+FlexibandSignalSource::FlexibandSignalSource(ConfigurationInterface* configuration,
+        std::string role, unsigned int in_stream, unsigned int out_stream, gr::msg_queue::sptr queue) :
+        role_(role), in_stream_(in_stream), out_stream_(out_stream), queue_(queue)
+{
+    std::string default_item_type = "byte";
+    item_type_ = configuration->property(role + ".item_type", default_item_type);
+
+    std::string default_firmware_file = "flexiband_I-1b.bit";
+    firmware_filename_ = configuration->property(role + ".firmware_file", default_firmware_file);
+
+    gain1_ = configuration->property(role + ".gain1", 0); // check gain DAC values for Flexiband frontend!
+    gain2_ = configuration->property(role + ".gain2", 0); // check gain DAC values for Flexiband frontend!
+    gain3_ = configuration->property(role + ".gain3", 0); // check gain DAC values for Flexiband frontend!
+
+    AGC_ = configuration->property(role + ".AGC", true); // enabed AGC by default
+
+    usb_packet_buffer_size_ =configuration->property(role + ".usb_packet_buffer", 128);
+
+    RF_channels_ = configuration->property(role + ".RF_channels", 1);
+
+    if (item_type_.compare("gr_complex") == 0)
+    {
+            item_size_ = sizeof(gr_complex);
+            flexiband_source_ = gr::teleorbit::frontend::make(firmware_filename_.c_str(),gain1_,gain2_,gain3_, AGC_, usb_packet_buffer_size_);
+
+            //create I, Q -> gr_complex type conversion blocks
+            for (int n=0;n<(RF_channels_*2);n++)
+            {
+                char_to_float.push_back(gr::blocks::char_to_float::make());
+                float_to_complex_.push_back(gr::blocks::float_to_complex::make());
+            }
+
+            for (int n=0;n<(RF_channels_);n++)
+            {
+                float_to_complex_.push_back(gr::blocks::float_to_complex::make());
+            }
+
+            DLOG(INFO) << "Item size " << item_size_;
+            DLOG(INFO) << "Firmware file "<<firmware_filename_;
+            DLOG(INFO) << "flexiband_source_(" << flexiband_source_->unique_id() << ")";
+
+    }else
+    {
+            LOG(WARNING) << item_type_ << " unrecognized item type for flexiband_source_";
+            item_size_ = sizeof(gr_complex);
+    }
+}
+
+
+
+FlexibandSignalSource::~FlexibandSignalSource()
+{}
+
+
+
+void FlexibandSignalSource::connect(gr::top_block_sptr top_block)
+{
+    for (int n=0;n<(RF_channels_*2);n++)
+    {
+    	  top_block->connect(flexiband_source_, n, char_to_float.at(n), 0);
+    	  DLOG(INFO) << "connected flexiband_source_ to char_to_float CH"<<n;
+    }
+    for (int n=0;n<RF_channels_;n++)
+    {
+    	  top_block->connect(char_to_float.at(n*2), 0, float_to_complex_.at(n*2), 0);
+    	  top_block->connect(char_to_float.at(n*2+1), 0, float_to_complex_.at(n*2+1), 0);
+    	  DLOG(INFO) << "connected char_to_float to float_to_complex_ CH"<<n;
+    }
+
+}
+
+
+
+void FlexibandSignalSource::disconnect(gr::top_block_sptr top_block)
+{
+    for (int n=0;n<(RF_channels_*2);n++)
+    {
+    	  top_block->disconnect(flexiband_source_, n, char_to_float.at(n), 0);
+    	  DLOG(INFO) << "disconnect flexiband_source_ to char_to_float CH"<<n;
+    }
+    for (int n=0;n<RF_channels_;n++)
+    {
+    	  top_block->disconnect(char_to_float.at(n*2), 0, float_to_complex_.at(n*2), 0);
+    	  top_block->disconnect(char_to_float.at(n*2+1), 0, float_to_complex_.at(n*2+1), 0);
+    	  DLOG(INFO) << "disconnect char_to_float to float_to_complex_ CH"<<n;
+    }
+}
+
+
+gr::basic_block_sptr FlexibandSignalSource::get_left_block()
+{
+    LOG(WARNING) << "Left block of a signal source should not be retrieved";
+    return gr::block_sptr();
+}
+
+
+gr::basic_block_sptr FlexibandSignalSource::get_right_block()
+{
+	return get_right_block(0);
+}
+
+gr::basic_block_sptr FlexibandSignalSource::get_right_block(int RF_channel)
+{
+    return float_to_complex_.at(RF_channel);
+}
+

src/algorithms/signal_source/adapters/flexiband_signal_source.h

@@ -0,0 +1,106 @@
+/*!
+ * \file raw_array_signal_source.h
+ * \brief Signal Source adapter for the Teleorbit Flexiband front-end device.
+ * This adapter requires a Flexiband GNURadio driver installed (not included with GNSS-SDR)
+ * \author Javier Arribas, jarribas(at)cttc.es
+ *
+ * -------------------------------------------------------------------------
+ *
+ * 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 FLEXIBAND_SIGNAL_SOURCE_H_
+#define FLEXIBAND_SIGNAL_SOURCE_H_
+
+#include <string>
+#include <gnuradio/hier_block2.h>
+#include <gnuradio/msg_queue.h>
+#include <gnuradio/blocks/file_sink.h>
+#include <gnuradio/blocks/char_to_float.h>
+#include <gnuradio/blocks/float_to_complex.h>
+#include <vector>
+#include "gnss_block_interface.h"
+
+
+class ConfigurationInterface;
+
+/*!
+ * \brief This class configures and reads samples from Teleorbit Flexiband front-end.
+ * This software requires a Flexiband GNURadio driver installed (not included with GNSS-SDR).
+ */
+class FlexibandSignalSource: public GNSSBlockInterface
+{
+public:
+	FlexibandSignalSource(ConfigurationInterface* configuration,
+            std::string role, unsigned int in_stream,
+            unsigned int out_stream, gr::msg_queue::sptr queue);
+
+    virtual ~FlexibandSignalSource();
+    std::string role()
+    {
+        return role_;
+    }
+
+    /*!
+     * \brief Returns "FlexibandSignalSource".
+     */
+    std::string implementation()
+    {
+        return "Flexiband_Signal_Source";
+    }
+    size_t item_size()
+    {
+        return item_size_;
+    }
+    void connect(gr::top_block_sptr top_block);
+    void disconnect(gr::top_block_sptr top_block);
+    gr::basic_block_sptr get_left_block();
+    gr::basic_block_sptr get_right_block();
+    gr::basic_block_sptr get_right_block(int RF_channel);
+
+private:
+    std::string role_;
+    unsigned int in_stream_;
+    unsigned int out_stream_;
+    std::string item_type_;
+    size_t item_size_;
+
+    std::string firmware_filename_;
+    int gain1_;
+    int gain2_;
+    int gain3_;
+    int usb_packet_buffer_size_;
+    bool AGC_;
+
+    int RF_channels_;
+
+    gr::block_sptr flexiband_source_;
+
+    std::vector<boost::shared_ptr<gr::block>> char_to_float;
+    std::vector<boost::shared_ptr<gr::block>> float_to_complex_;
+
+    boost::shared_ptr<gr::msg_queue> queue_;
+};
+
+#endif /*FLEXIBAND_SIGNAL_SOURCE_H_*/