forked from sdr/gr-osmosdr
this has been tested with analog modes only and still has to be verified with the usual digital modes for proper implementation.gr3.6
parent
c51b04ee74
commit
2878501284
@ -0,0 +1,27 @@ |
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if(NOT LIBMIRISDR_FOUND) |
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pkg_check_modules (LIBMIRISDR_PKG libmirisdr) |
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find_path(LIBMIRISDR_INCLUDE_DIR NAMES mirisdr.h |
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PATHS |
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${LIBMIRISDR_PKG_INCLUDE_DIRS} |
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/usr/include |
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/usr/local/include |
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) |
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|
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find_library(LIBMIRISDR_LIBRARIES NAMES mirisdr |
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PATHS |
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${LIBMIRISDR_PKG_LIBRARY_DIRS} |
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/usr/lib |
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/usr/local/lib |
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) |
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|
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if(LIBMIRISDR_INCLUDE_DIR AND LIBMIRISDR_LIBRARIES) |
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set(LIBMIRISDR_FOUND TRUE CACHE INTERNAL "libmirisdr found") |
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message(STATUS "Found libmirisdr: ${LIBMIRISDR_INCLUDE_DIR}, ${LIBMIRISDR_LIBRARIES}") |
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else(LIBMIRISDR_INCLUDE_DIR AND LIBMIRISDR_LIBRARIES) |
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set(LIBMIRISDR_FOUND FALSE CACHE INTERNAL "libmirisdr found") |
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message(STATUS "libmirisdr not found.") |
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endif(LIBMIRISDR_INCLUDE_DIR AND LIBMIRISDR_LIBRARIES) |
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|
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mark_as_advanced(LIBMIRISDR_INCLUDE_DIR LIBMIRISDR_LIBRARIES) |
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endif(NOT LIBMIRISDR_FOUND) |
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@ -0,0 +1,37 @@ |
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# Copyright 2012 Free Software Foundation, Inc. |
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# |
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# This file is part of GNU Radio |
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# |
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# GNU Radio is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 3, or (at your option) |
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# any later version. |
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# |
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# GNU Radio is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with GNU Radio; see the file COPYING. If not, write to |
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# the Free Software Foundation, Inc., 51 Franklin Street, |
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# Boston, MA 02110-1301, USA. |
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|
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######################################################################## |
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# This file included, use CMake directory variables |
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######################################################################## |
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|
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include_directories(APPEND |
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${CMAKE_CURRENT_SOURCE_DIR} |
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${LIBMIRISDR_INCLUDE_DIR} |
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) |
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|
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set(mirisdr_srcs |
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${CMAKE_CURRENT_SOURCE_DIR}/miri_source_c.cc |
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) |
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|
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######################################################################## |
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# Append gnuradio-mirisdr library sources |
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######################################################################## |
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list(APPEND gr_osmosdr_srcs ${mirisdr_srcs}) |
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list(APPEND gr_osmosdr_libs ${LIBMIRISDR_LIBRARIES}) |
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@ -0,0 +1,450 @@ |
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/* -*- c++ -*- */ |
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/*
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* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net> |
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* Copyright 2012 Steve Markgraf <steve@steve-m.de> |
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* |
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* GNU Radio is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3, or (at your option) |
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* any later version. |
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* |
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* GNU Radio is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with GNU Radio; see the file COPYING. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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|
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/*
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* config.h is generated by configure. It contains the results |
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* of probing for features, options etc. It should be the first |
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* file included in your .cc file. |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include "miri_source_c.h" |
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#include <gr_io_signature.h> |
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#include <boost/assign.hpp> |
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#include <boost/format.hpp> |
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#include <stdexcept> |
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#include <iostream> |
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#include <stdio.h> |
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#include <mirisdr.h> |
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#include <osmosdr_arg_helpers.h> |
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using namespace boost::assign; |
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#define BUF_SIZE 2304 * 8 * 2 |
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#define BUF_NUM 32 |
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#define BUF_SKIP 1 // buffers to skip due to garbage
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#define BYTES_PER_SAMPLE 4 // mirisdr device delivers 16 bit signed IQ data
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// containing 12 bits of information
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/*
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* Create a new instance of miri_source_c and return |
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* a boost shared_ptr. This is effectively the public constructor. |
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*/ |
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miri_source_c_sptr |
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make_miri_source_c (const std::string &args) |
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{ |
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return gnuradio::get_initial_sptr(new miri_source_c (args)); |
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} |
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|
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/*
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* Specify constraints on number of input and output streams. |
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* This info is used to construct the input and output signatures |
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* (2nd & 3rd args to gr_block's constructor). The input and |
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* output signatures are used by the runtime system to |
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* check that a valid number and type of inputs and outputs |
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* are connected to this block. In this case, we accept |
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* only 0 input and 1 output. |
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*/ |
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static const int MIN_IN = 0; // mininum number of input streams
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static const int MAX_IN = 0; // maximum number of input streams
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static const int MIN_OUT = 1; // minimum number of output streams
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static const int MAX_OUT = 1; // maximum number of output streams
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/*
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* The private constructor |
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*/ |
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miri_source_c::miri_source_c (const std::string &args) |
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: gr_sync_block ("miri_source_c", |
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gr_make_io_signature (MIN_IN, MAX_IN, sizeof (gr_complex)), |
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gr_make_io_signature (MIN_OUT, MAX_OUT, sizeof (gr_complex))), |
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_running(true), |
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_auto_gain(false), |
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_skipped(0) |
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{ |
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int ret; |
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unsigned int dev_index = 0; |
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dict_t dict = params_to_dict(args); |
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if (dict.count("miri")) |
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dev_index = boost::lexical_cast< unsigned int >( dict["miri"] ); |
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_buf_num = BUF_NUM; |
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_buf_head = _buf_used = _buf_offset = 0; |
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_samp_avail = BUF_SIZE / BYTES_PER_SAMPLE; |
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if (dict.count("buffers")) { |
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_buf_num = (unsigned int)boost::lexical_cast< double >( dict["buffers"] ); |
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if (0 == _buf_num) |
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_buf_num = BUF_NUM; |
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std::cerr << "Using " << _buf_num << " buffers of size " << BUF_SIZE << "." |
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<< std::endl; |
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} |
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if ( dev_index >= mirisdr_get_device_count() ) |
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throw std::runtime_error("Wrong mirisdr device index given."); |
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std::cerr << "Using device #" << dev_index << ": " |
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<< mirisdr_get_device_name(dev_index) |
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<< std::endl; |
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_dev = NULL; |
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ret = mirisdr_open( &_dev, dev_index ); |
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if (ret < 0) |
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throw std::runtime_error("Failed to open mirisdr device."); |
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#if 0 |
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ret = mirisdr_set_sample_rate( _dev, 500000 ); |
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if (ret < 0) |
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throw std::runtime_error("Failed to set default samplerate."); |
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ret = mirisdr_set_tuner_gain_mode(_dev, int(!_auto_gain)); |
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if (ret < 0) |
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throw std::runtime_error("Failed to enable manual gain mode."); |
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#endif |
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ret = mirisdr_reset_buffer( _dev ); |
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if (ret < 0) |
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throw std::runtime_error("Failed to reset usb buffers."); |
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_buf = (unsigned short **) malloc(_buf_num * sizeof(unsigned short *)); |
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if (_buf) { |
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for(unsigned int i = 0; i < _buf_num; ++i) |
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_buf[i] = (unsigned short *) malloc(BUF_SIZE); |
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} |
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_thread = gruel::thread(_mirisdr_wait, this); |
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} |
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/*
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* Our virtual destructor. |
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*/ |
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miri_source_c::~miri_source_c () |
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{ |
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if (_dev) { |
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_running = false; |
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mirisdr_cancel_async( _dev ); |
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_thread.join(); |
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mirisdr_close( _dev ); |
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_dev = NULL; |
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} |
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if (_buf) { |
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for(unsigned int i = 0; i < _buf_num; ++i) { |
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if (_buf[i]) |
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free(_buf[i]); |
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} |
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free(_buf); |
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_buf = NULL; |
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} |
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} |
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void miri_source_c::_mirisdr_callback(unsigned char *buf, uint32_t len, void *ctx) |
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{ |
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miri_source_c *obj = (miri_source_c *)ctx; |
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obj->mirisdr_callback(buf, len); |
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} |
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void miri_source_c::mirisdr_callback(unsigned char *buf, uint32_t len) |
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{ |
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if (_skipped < BUF_SKIP) { |
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_skipped++; |
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return; |
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} |
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{ |
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boost::mutex::scoped_lock lock( _buf_mutex ); |
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int buf_tail = (_buf_head + _buf_used) % _buf_num; |
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memcpy(_buf[buf_tail], buf, len); |
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if (_buf_used == _buf_num) { |
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std::cerr << "O" << std::flush; |
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_buf_head = (_buf_head + 1) % _buf_num; |
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} else { |
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_buf_used++; |
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} |
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} |
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_buf_cond.notify_one(); |
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} |
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void miri_source_c::_mirisdr_wait(miri_source_c *obj) |
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{ |
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obj->mirisdr_wait(); |
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} |
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void miri_source_c::mirisdr_wait() |
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{ |
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int ret = mirisdr_read_async( _dev, _mirisdr_callback, (void *)this, 0, BUF_SIZE ); |
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_running = false; |
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if ( ret != 0 ) |
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std::cerr << "mirisdr_read_async returned with " << ret << std::endl; |
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} |
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int miri_source_c::work( int noutput_items, |
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gr_vector_const_void_star &input_items, |
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gr_vector_void_star &output_items ) |
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{ |
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gr_complex *out = (gr_complex *)output_items[0]; |
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{ |
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boost::mutex::scoped_lock lock( _buf_mutex ); |
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while (_buf_used < 3 && _running) // collect at least 3 buffers
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_buf_cond.wait( lock ); |
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} |
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if (!_running) |
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return WORK_DONE; |
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short *buf = (short *)_buf[_buf_head] + _buf_offset; |
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if (noutput_items <= _samp_avail) { |
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for (int i = 0; i < noutput_items; i++) |
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*out++ = gr_complex( float(*(buf + i * 2 + 0)) * (1.0f/4096.0f), |
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float(*(buf + i * 2 + 1)) * (1.0f/4096.0f) ); |
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_buf_offset += noutput_items * 2; |
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_samp_avail -= noutput_items; |
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} else { |
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for (int i = 0; i < _samp_avail; i++) |
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*out++ = gr_complex( float(*(buf + i * 2 + 0)) * (1.0f/4096.0f), |
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float(*(buf + i * 2 + 1)) * (1.0f/4096.0f) ); |
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{ |
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boost::mutex::scoped_lock lock( _buf_mutex ); |
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_buf_head = (_buf_head + 1) % _buf_num; |
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_buf_used--; |
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} |
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buf = (short *)_buf[_buf_head]; |
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int remaining = noutput_items - _samp_avail; |
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for (int i = 0; i < remaining; i++) |
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*out++ = gr_complex( float(*(buf + i * 2 + 0)) * (1.0f/4096.0f), |
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float(*(buf + i * 2 + 1)) * (1.0f/4096.0f) ); |
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_buf_offset = remaining * 2; |
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_samp_avail = (BUF_SIZE / BYTES_PER_SAMPLE) - remaining; |
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} |
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return noutput_items; |
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} |
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std::vector<std::string> miri_source_c::get_devices() |
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{ |
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std::vector<std::string> devices; |
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for (unsigned int i = 0; i < mirisdr_get_device_count(); i++) { |
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std::string args = "miri=" + boost::lexical_cast< std::string >( i ); |
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args += ",label='" + std::string(mirisdr_get_device_name( i )) + "'"; |
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devices.push_back( args ); |
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} |
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return devices; |
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} |
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size_t miri_source_c::get_num_channels() |
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{ |
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return 1; |
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} |
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osmosdr::meta_range_t miri_source_c::get_sample_rates() |
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{ |
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osmosdr::meta_range_t range; |
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if (_dev) { |
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int count = mirisdr_get_sample_rates(_dev, NULL); |
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if (count > 0) { |
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uint32_t* rates = new uint32_t[ count ]; |
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count = mirisdr_get_sample_rates(_dev, rates); |
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for (int i = 0; i < count; i++) |
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range += osmosdr::range_t( rates[i] ); |
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delete[] rates; |
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} |
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} |
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return range; |
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} |
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double miri_source_c::set_sample_rate(double rate) |
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{ |
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if (_dev) { |
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mirisdr_set_sample_rate( _dev, (uint32_t)rate ); |
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} |
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return get_sample_rate(); |
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} |
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double miri_source_c::get_sample_rate() |
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{ |
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if (_dev) |
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return (double)mirisdr_get_sample_rate( _dev ); |
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return 0; |
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} |
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osmosdr::freq_range_t miri_source_c::get_freq_range( size_t chan ) |
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{ |
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osmosdr::freq_range_t range; |
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range += osmosdr::range_t( 150e3, 30e6 ); /* LW/MW/SW (150 kHz - 30 MHz) */ |
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range += osmosdr::range_t( 64e6, 108e6 ); /* VHF Band II (64 - 108 MHz) */ |
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range += osmosdr::range_t( 162e6, 240e6 ); /* Band III (162 - 240 MHz) */ |
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range += osmosdr::range_t( 470e6, 960e6 ); /* Band IV/V (470 - 960 MHz) */ |
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range += osmosdr::range_t( 1450e6, 1675e6 ); /* L-Band (1450 - 1675 MHz) */ |
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return range; |
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} |
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double miri_source_c::set_center_freq( double freq, size_t chan ) |
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{ |
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if (_dev) |
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mirisdr_set_center_freq( _dev, (uint32_t)freq ); |
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return get_center_freq( chan ); |
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} |
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|
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double miri_source_c::get_center_freq( size_t chan ) |
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{ |
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if (_dev) |
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return (double)mirisdr_get_center_freq( _dev ); |
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return 0; |
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} |
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|
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double miri_source_c::set_freq_corr( double ppm, size_t chan ) |
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{ |
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return get_freq_corr( chan ); |
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} |
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|
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double miri_source_c::get_freq_corr( size_t chan ) |
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{ |
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return 0; |
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} |
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|
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std::vector<std::string> miri_source_c::get_gain_names( size_t chan ) |
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{ |
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std::vector< std::string > gains; |
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gains += "LNA"; |
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return gains; |
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} |
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|
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osmosdr::gain_range_t miri_source_c::get_gain_range( size_t chan ) |
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{ |
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osmosdr::gain_range_t range; |
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|
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if (_dev) { |
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int count = mirisdr_get_tuner_gains(_dev, NULL); |
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if (count > 0) { |
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int* gains = new int[ count ]; |
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count = mirisdr_get_tuner_gains(_dev, gains); |
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for (int i = 0; i < count; i++) |
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range += osmosdr::range_t( gains[i] / 10.0 ); |
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delete[] gains; |
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} |
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} |
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|
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return range; |
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} |
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|
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osmosdr::gain_range_t miri_source_c::get_gain_range( const std::string & name, size_t chan ) |
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{ |
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return get_gain_range( chan ); |
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} |
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|
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bool miri_source_c::set_gain_mode( bool automatic, size_t chan ) |
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{ |
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if (_dev) { |
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if (!mirisdr_set_tuner_gain_mode(_dev, int(!automatic))) { |
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_auto_gain = automatic; |
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} |
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} |
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|
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return get_gain_mode(chan); |
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} |
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|
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bool miri_source_c::get_gain_mode( size_t chan ) |
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{ |
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return _auto_gain; |
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} |
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|
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double miri_source_c::set_gain( double gain, size_t chan ) |
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{ |
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osmosdr::gain_range_t rf_gains = miri_source_c::get_gain_range( chan ); |
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|
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if (_dev) { |
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mirisdr_set_tuner_gain( _dev, int(rf_gains.clip(gain) * 10.0) ); |
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} |
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return get_gain( chan ); |
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} |
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|
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double miri_source_c::set_gain( double gain, const std::string & name, size_t chan) |
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{ |
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return set_gain( gain, chan ); |
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} |
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|
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double miri_source_c::get_gain( size_t chan ) |
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{ |
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if ( _dev ) |
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return ((double)mirisdr_get_tuner_gain( _dev )) / 10.0; |
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|
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return 0; |
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} |
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|
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double miri_source_c::get_gain( const std::string & name, size_t chan ) |
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{ |
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return get_gain( chan ); |
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} |
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|
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std::vector< std::string > miri_source_c::get_antennas( size_t chan ) |
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{ |
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std::vector< std::string > antennas; |
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|
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antennas += get_antenna( chan ); |
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|
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return antennas; |
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} |
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|
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std::string miri_source_c::set_antenna( const std::string & antenna, size_t chan ) |
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{ |
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return get_antenna( chan ); |
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} |
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|
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std::string miri_source_c::get_antenna( size_t chan ) |
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{ |
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return "ANT"; |
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} |
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@ -0,0 +1,133 @@ |
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/* -*- c++ -*- */ |
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/*
|
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* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net> |
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* |
||||
* GNU Radio 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, or (at your option) |
||||
* any later version. |
||||
* |
||||
* GNU Radio 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 |
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* along with GNU Radio; see the file COPYING. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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#ifndef INCLUDED_MIRI_SOURCE_C_H |
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#define INCLUDED_MIRI_SOURCE_C_H |
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|
||||
#include <gr_sync_block.h> |
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|
||||
#include <gruel/thread.h> |
||||
#include <boost/thread/mutex.hpp> |
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#include <boost/thread/condition_variable.hpp> |
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|
||||
#include "osmosdr_src_iface.h" |
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|
||||
class miri_source_c; |
||||
typedef struct mirisdr_dev mirisdr_dev_t; |
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|
||||
/*
|
||||
* We use boost::shared_ptr's instead of raw pointers for all access |
||||
* to gr_blocks (and many other data structures). The shared_ptr gets |
||||
* us transparent reference counting, which greatly simplifies storage |
||||
* management issues. This is especially helpful in our hybrid |
||||
* C++ / Python system. |
||||
* |
||||
* See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
|
||||
* |
||||
* As a convention, the _sptr suffix indicates a boost::shared_ptr |
||||
*/ |
||||
typedef boost::shared_ptr<miri_source_c> miri_source_c_sptr; |
||||
|
||||
/*!
|
||||
* \brief Return a shared_ptr to a new instance of miri_source_c. |
||||
* |
||||
* To avoid accidental use of raw pointers, miri_source_c's |
||||
* constructor is private. make_miri_source_c is the public |
||||
* interface for creating new instances. |
||||
*/ |
||||
miri_source_c_sptr make_miri_source_c (const std::string & args = ""); |
||||
|
||||
/*!
|
||||
* \brief Provides a stream of complex samples. |
||||
* \ingroup block |
||||
*/ |
||||
class miri_source_c : |
||||
public gr_sync_block, |
||||
public osmosdr_src_iface |
||||
{ |
||||
private: |
||||
// The friend declaration allows make_miri_source_c to
|
||||
// access the private constructor.
|
||||
|
||||
friend miri_source_c_sptr make_miri_source_c (const std::string & args); |
||||
|
||||
/*!
|
||||
* \brief Provides a stream of complex samples. |
||||
*/ |
||||
miri_source_c (const std::string & args); // private constructor
|
||||
|
||||
public: |
||||
~miri_source_c (); // public destructor
|
||||
|
||||
int work( int noutput_items, |
||||
gr_vector_const_void_star &input_items, |
||||
gr_vector_void_star &output_items ); |
||||
|
||||
static std::vector< std::string > get_devices(); |
||||
|
||||
size_t get_num_channels( void ); |
||||
|
||||
osmosdr::meta_range_t get_sample_rates( void ); |
||||
double set_sample_rate( double rate ); |
||||
double get_sample_rate( void ); |
||||
|
||||
osmosdr::freq_range_t get_freq_range( size_t chan = 0 ); |
||||
double set_center_freq( double freq, size_t chan = 0 ); |
||||
double get_center_freq( size_t chan = 0 ); |
||||
double set_freq_corr( double ppm, size_t chan = 0 ); |
||||
double get_freq_corr( size_t chan = 0 ); |
||||
|
||||
std::vector<std::string> get_gain_names( size_t chan = 0 ); |
||||
osmosdr::gain_range_t get_gain_range( size_t chan = 0 ); |
||||
osmosdr::gain_range_t get_gain_range( const std::string & name, size_t chan = 0 ); |
||||
bool set_gain_mode( bool automatic, size_t chan = 0 ); |
||||
bool get_gain_mode( size_t chan = 0 ); |
||||
double set_gain( double gain, size_t chan = 0 ); |
||||
double set_gain( double gain, const std::string & name, size_t chan = 0 ); |
||||
double get_gain( size_t chan = 0 ); |
||||
double get_gain( const std::string & name, size_t chan = 0 ); |
||||
|
||||
std::vector< std::string > get_antennas( size_t chan = 0 ); |
||||
std::string set_antenna( const std::string & antenna, size_t chan = 0 ); |
||||
std::string get_antenna( size_t chan = 0 ); |
||||
|
||||
private: |
||||
static void _mirisdr_callback(unsigned char *buf, uint32_t len, void *ctx); |
||||
void mirisdr_callback(unsigned char *buf, uint32_t len); |
||||
static void _mirisdr_wait(miri_source_c *obj); |
||||
void mirisdr_wait(); |
||||
|
||||
mirisdr_dev_t *_dev; |
||||
gruel::thread _thread; |
||||
unsigned short **_buf; |
||||
unsigned int _buf_num; |
||||
unsigned int _buf_head; |
||||
unsigned int _buf_used; |
||||
boost::mutex _buf_mutex; |
||||
boost::condition_variable _buf_cond; |
||||
bool _running; |
||||
|
||||
unsigned int _buf_offset; |
||||
int _samp_avail; |
||||
|
||||
bool _auto_gain; |
||||
unsigned int _skipped; |
||||
}; |
||||
|
||||
#endif /* INCLUDED_MIRI_SOURCE_C_H */ |
||||
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Reference in new issue