add support for MSi2500 based DVB-T dongles through libmirisdr

this has been tested with analog modes only and still has to be
verified with the usual digital modes for proper implementation.
This commit is contained in:
Dimitri Stolnikov 2012-09-30 20:12:48 +02:00
parent c51b04ee74
commit 2878501284
10 changed files with 692 additions and 0 deletions

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@ -114,6 +114,7 @@ find_package(GnuradioUHD)
find_package(GnuradioFCD)
find_package(LibOsmoSDR)
find_package(LibRTLSDR)
find_package(LibMiriSDR)
if(NOT GRUEL_FOUND)
message(FATAL_ERROR "Gruel required to compile osmosdr")

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@ -0,0 +1,27 @@
if(NOT LIBMIRISDR_FOUND)
pkg_check_modules (LIBMIRISDR_PKG libmirisdr)
find_path(LIBMIRISDR_INCLUDE_DIR NAMES mirisdr.h
PATHS
${LIBMIRISDR_PKG_INCLUDE_DIRS}
/usr/include
/usr/local/include
)
find_library(LIBMIRISDR_LIBRARIES NAMES mirisdr
PATHS
${LIBMIRISDR_PKG_LIBRARY_DIRS}
/usr/lib
/usr/local/lib
)
if(LIBMIRISDR_INCLUDE_DIR AND LIBMIRISDR_LIBRARIES)
set(LIBMIRISDR_FOUND TRUE CACHE INTERNAL "libmirisdr found")
message(STATUS "Found libmirisdr: ${LIBMIRISDR_INCLUDE_DIR}, ${LIBMIRISDR_LIBRARIES}")
else(LIBMIRISDR_INCLUDE_DIR AND LIBMIRISDR_LIBRARIES)
set(LIBMIRISDR_FOUND FALSE CACHE INTERNAL "libmirisdr found")
message(STATUS "libmirisdr not found.")
endif(LIBMIRISDR_INCLUDE_DIR AND LIBMIRISDR_LIBRARIES)
mark_as_advanced(LIBMIRISDR_INCLUDE_DIR LIBMIRISDR_LIBRARIES)
endif(NOT LIBMIRISDR_FOUND)

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@ -108,6 +108,7 @@ While primarily being developed for the OsmoSDR hardware, this block also suppor
* Ettus USRP Devices through Ettus UHD library
* RTL2832U based DVB-T dongles through librtlsdr
* rtl-tcp spectrum server (see librtlsdr project)
* MSi2500 based DVB-T dongles through libmirisdr
* gnuradio .cfile input through libgnuradio-core
By using the OsmoSDR block you can take advantage of a common software api in your application(s) independent of the underlying radio hardware.
@ -121,6 +122,7 @@ Use the device id or name (if applicable) to specify a certain device or list of
Examples (some arguments may be optional):
fcd=0
miri=0
rtl=0,rtl_xtal=28.80001e6,tuner_xtal=26e6,buffers=64 ...
rtl_tcp=127.0.0.1:1234,psize=16384
uhd,serial=...,type=usrp1,mcr=52e6,nchan=2,subdev='\\\\'B:0 A:0\\\\'' ...

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@ -107,6 +107,16 @@ if(ENABLE_UHD)
GR_INCLUDE_SUBDIRECTORY(uhd)
endif(ENABLE_UHD)
########################################################################
# Setup MiriSDR component
########################################################################
include(GrComponent)
GR_REGISTER_COMPONENT("Osmocom MiriSDR" ENABLE_MIRI LIBMIRISDR_FOUND)
if(ENABLE_MIRI)
GR_INCLUDE_SUBDIRECTORY(miri)
endif(ENABLE_MIRI)
########################################################################
# Setup configuration file
########################################################################

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@ -7,5 +7,6 @@
#cmakedefine ENABLE_RTL
#cmakedefine ENABLE_RTL_TCP
#cmakedefine ENABLE_UHD
#cmakedefine ENABLE_MIRI
#endif // CONFIG_H_IN

37
lib/miri/CMakeLists.txt Normal file
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@ -0,0 +1,37 @@
# Copyright 2012 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# 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
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
########################################################################
# This file included, use CMake directory variables
########################################################################
include_directories(APPEND
${CMAKE_CURRENT_SOURCE_DIR}
${LIBMIRISDR_INCLUDE_DIR}
)
set(mirisdr_srcs
${CMAKE_CURRENT_SOURCE_DIR}/miri_source_c.cc
)
########################################################################
# Append gnuradio-mirisdr library sources
########################################################################
list(APPEND gr_osmosdr_srcs ${mirisdr_srcs})
list(APPEND gr_osmosdr_libs ${LIBMIRISDR_LIBRARIES})

450
lib/miri/miri_source_c.cc Normal file
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@ -0,0 +1,450 @@
/* -*- c++ -*- */
/*
* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net>
* Copyright 2012 Steve Markgraf <steve@steve-m.de>
*
* 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
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
/*
* config.h is generated by configure. It contains the results
* of probing for features, options etc. It should be the first
* file included in your .cc file.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "miri_source_c.h"
#include <gr_io_signature.h>
#include <boost/assign.hpp>
#include <boost/format.hpp>
#include <stdexcept>
#include <iostream>
#include <stdio.h>
#include <mirisdr.h>
#include <osmosdr_arg_helpers.h>
using namespace boost::assign;
#define BUF_SIZE 2304 * 8 * 2
#define BUF_NUM 32
#define BUF_SKIP 1 // buffers to skip due to garbage
#define BYTES_PER_SAMPLE 4 // mirisdr device delivers 16 bit signed IQ data
// containing 12 bits of information
/*
* Create a new instance of miri_source_c and return
* a boost shared_ptr. This is effectively the public constructor.
*/
miri_source_c_sptr
make_miri_source_c (const std::string &args)
{
return gnuradio::get_initial_sptr(new miri_source_c (args));
}
/*
* Specify constraints on number of input and output streams.
* This info is used to construct the input and output signatures
* (2nd & 3rd args to gr_block's constructor). The input and
* output signatures are used by the runtime system to
* check that a valid number and type of inputs and outputs
* are connected to this block. In this case, we accept
* only 0 input and 1 output.
*/
static const int MIN_IN = 0; // mininum number of input streams
static const int MAX_IN = 0; // maximum number of input streams
static const int MIN_OUT = 1; // minimum number of output streams
static const int MAX_OUT = 1; // maximum number of output streams
/*
* The private constructor
*/
miri_source_c::miri_source_c (const std::string &args)
: gr_sync_block ("miri_source_c",
gr_make_io_signature (MIN_IN, MAX_IN, sizeof (gr_complex)),
gr_make_io_signature (MIN_OUT, MAX_OUT, sizeof (gr_complex))),
_running(true),
_auto_gain(false),
_skipped(0)
{
int ret;
unsigned int dev_index = 0;
dict_t dict = params_to_dict(args);
if (dict.count("miri"))
dev_index = boost::lexical_cast< unsigned int >( dict["miri"] );
_buf_num = BUF_NUM;
_buf_head = _buf_used = _buf_offset = 0;
_samp_avail = BUF_SIZE / BYTES_PER_SAMPLE;
if (dict.count("buffers")) {
_buf_num = (unsigned int)boost::lexical_cast< double >( dict["buffers"] );
if (0 == _buf_num)
_buf_num = BUF_NUM;
std::cerr << "Using " << _buf_num << " buffers of size " << BUF_SIZE << "."
<< std::endl;
}
if ( dev_index >= mirisdr_get_device_count() )
throw std::runtime_error("Wrong mirisdr device index given.");
std::cerr << "Using device #" << dev_index << ": "
<< mirisdr_get_device_name(dev_index)
<< std::endl;
_dev = NULL;
ret = mirisdr_open( &_dev, dev_index );
if (ret < 0)
throw std::runtime_error("Failed to open mirisdr device.");
#if 0
ret = mirisdr_set_sample_rate( _dev, 500000 );
if (ret < 0)
throw std::runtime_error("Failed to set default samplerate.");
ret = mirisdr_set_tuner_gain_mode(_dev, int(!_auto_gain));
if (ret < 0)
throw std::runtime_error("Failed to enable manual gain mode.");
#endif
ret = mirisdr_reset_buffer( _dev );
if (ret < 0)
throw std::runtime_error("Failed to reset usb buffers.");
_buf = (unsigned short **) malloc(_buf_num * sizeof(unsigned short *));
if (_buf) {
for(unsigned int i = 0; i < _buf_num; ++i)
_buf[i] = (unsigned short *) malloc(BUF_SIZE);
}
_thread = gruel::thread(_mirisdr_wait, this);
}
/*
* Our virtual destructor.
*/
miri_source_c::~miri_source_c ()
{
if (_dev) {
_running = false;
mirisdr_cancel_async( _dev );
_thread.join();
mirisdr_close( _dev );
_dev = NULL;
}
if (_buf) {
for(unsigned int i = 0; i < _buf_num; ++i) {
if (_buf[i])
free(_buf[i]);
}
free(_buf);
_buf = NULL;
}
}
void miri_source_c::_mirisdr_callback(unsigned char *buf, uint32_t len, void *ctx)
{
miri_source_c *obj = (miri_source_c *)ctx;
obj->mirisdr_callback(buf, len);
}
void miri_source_c::mirisdr_callback(unsigned char *buf, uint32_t len)
{
if (_skipped < BUF_SKIP) {
_skipped++;
return;
}
{
boost::mutex::scoped_lock lock( _buf_mutex );
int buf_tail = (_buf_head + _buf_used) % _buf_num;
memcpy(_buf[buf_tail], buf, len);
if (_buf_used == _buf_num) {
std::cerr << "O" << std::flush;
_buf_head = (_buf_head + 1) % _buf_num;
} else {
_buf_used++;
}
}
_buf_cond.notify_one();
}
void miri_source_c::_mirisdr_wait(miri_source_c *obj)
{
obj->mirisdr_wait();
}
void miri_source_c::mirisdr_wait()
{
int ret = mirisdr_read_async( _dev, _mirisdr_callback, (void *)this, 0, BUF_SIZE );
_running = false;
if ( ret != 0 )
std::cerr << "mirisdr_read_async returned with " << ret << std::endl;
}
int miri_source_c::work( int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items )
{
gr_complex *out = (gr_complex *)output_items[0];
{
boost::mutex::scoped_lock lock( _buf_mutex );
while (_buf_used < 3 && _running) // collect at least 3 buffers
_buf_cond.wait( lock );
}
if (!_running)
return WORK_DONE;
short *buf = (short *)_buf[_buf_head] + _buf_offset;
if (noutput_items <= _samp_avail) {
for (int i = 0; i < noutput_items; i++)
*out++ = gr_complex( float(*(buf + i * 2 + 0)) * (1.0f/4096.0f),
float(*(buf + i * 2 + 1)) * (1.0f/4096.0f) );
_buf_offset += noutput_items * 2;
_samp_avail -= noutput_items;
} else {
for (int i = 0; i < _samp_avail; i++)
*out++ = gr_complex( float(*(buf + i * 2 + 0)) * (1.0f/4096.0f),
float(*(buf + i * 2 + 1)) * (1.0f/4096.0f) );
{
boost::mutex::scoped_lock lock( _buf_mutex );
_buf_head = (_buf_head + 1) % _buf_num;
_buf_used--;
}
buf = (short *)_buf[_buf_head];
int remaining = noutput_items - _samp_avail;
for (int i = 0; i < remaining; i++)
*out++ = gr_complex( float(*(buf + i * 2 + 0)) * (1.0f/4096.0f),
float(*(buf + i * 2 + 1)) * (1.0f/4096.0f) );
_buf_offset = remaining * 2;
_samp_avail = (BUF_SIZE / BYTES_PER_SAMPLE) - remaining;
}
return noutput_items;
}
std::vector<std::string> miri_source_c::get_devices()
{
std::vector<std::string> devices;
for (unsigned int i = 0; i < mirisdr_get_device_count(); i++) {
std::string args = "miri=" + boost::lexical_cast< std::string >( i );
args += ",label='" + std::string(mirisdr_get_device_name( i )) + "'";
devices.push_back( args );
}
return devices;
}
size_t miri_source_c::get_num_channels()
{
return 1;
}
osmosdr::meta_range_t miri_source_c::get_sample_rates()
{
osmosdr::meta_range_t range;
if (_dev) {
int count = mirisdr_get_sample_rates(_dev, NULL);
if (count > 0) {
uint32_t* rates = new uint32_t[ count ];
count = mirisdr_get_sample_rates(_dev, rates);
for (int i = 0; i < count; i++)
range += osmosdr::range_t( rates[i] );
delete[] rates;
}
}
return range;
}
double miri_source_c::set_sample_rate(double rate)
{
if (_dev) {
mirisdr_set_sample_rate( _dev, (uint32_t)rate );
}
return get_sample_rate();
}
double miri_source_c::get_sample_rate()
{
if (_dev)
return (double)mirisdr_get_sample_rate( _dev );
return 0;
}
osmosdr::freq_range_t miri_source_c::get_freq_range( size_t chan )
{
osmosdr::freq_range_t range;
range += osmosdr::range_t( 150e3, 30e6 ); /* LW/MW/SW (150 kHz - 30 MHz) */
range += osmosdr::range_t( 64e6, 108e6 ); /* VHF Band II (64 - 108 MHz) */
range += osmosdr::range_t( 162e6, 240e6 ); /* Band III (162 - 240 MHz) */
range += osmosdr::range_t( 470e6, 960e6 ); /* Band IV/V (470 - 960 MHz) */
range += osmosdr::range_t( 1450e6, 1675e6 ); /* L-Band (1450 - 1675 MHz) */
return range;
}
double miri_source_c::set_center_freq( double freq, size_t chan )
{
if (_dev)
mirisdr_set_center_freq( _dev, (uint32_t)freq );
return get_center_freq( chan );
}
double miri_source_c::get_center_freq( size_t chan )
{
if (_dev)
return (double)mirisdr_get_center_freq( _dev );
return 0;
}
double miri_source_c::set_freq_corr( double ppm, size_t chan )
{
return get_freq_corr( chan );
}
double miri_source_c::get_freq_corr( size_t chan )
{
return 0;
}
std::vector<std::string> miri_source_c::get_gain_names( size_t chan )
{
std::vector< std::string > gains;
gains += "LNA";
return gains;
}
osmosdr::gain_range_t miri_source_c::get_gain_range( size_t chan )
{
osmosdr::gain_range_t range;
if (_dev) {
int count = mirisdr_get_tuner_gains(_dev, NULL);
if (count > 0) {
int* gains = new int[ count ];
count = mirisdr_get_tuner_gains(_dev, gains);
for (int i = 0; i < count; i++)
range += osmosdr::range_t( gains[i] / 10.0 );
delete[] gains;
}
}
return range;
}
osmosdr::gain_range_t miri_source_c::get_gain_range( const std::string & name, size_t chan )
{
return get_gain_range( chan );
}
bool miri_source_c::set_gain_mode( bool automatic, size_t chan )
{
if (_dev) {
if (!mirisdr_set_tuner_gain_mode(_dev, int(!automatic))) {
_auto_gain = automatic;
}
}
return get_gain_mode(chan);
}
bool miri_source_c::get_gain_mode( size_t chan )
{
return _auto_gain;
}
double miri_source_c::set_gain( double gain, size_t chan )
{
osmosdr::gain_range_t rf_gains = miri_source_c::get_gain_range( chan );
if (_dev) {
mirisdr_set_tuner_gain( _dev, int(rf_gains.clip(gain) * 10.0) );
}
return get_gain( chan );
}
double miri_source_c::set_gain( double gain, const std::string & name, size_t chan)
{
return set_gain( gain, chan );
}
double miri_source_c::get_gain( size_t chan )
{
if ( _dev )
return ((double)mirisdr_get_tuner_gain( _dev )) / 10.0;
return 0;
}
double miri_source_c::get_gain( const std::string & name, size_t chan )
{
return get_gain( chan );
}
std::vector< std::string > miri_source_c::get_antennas( size_t chan )
{
std::vector< std::string > antennas;
antennas += get_antenna( chan );
return antennas;
}
std::string miri_source_c::set_antenna( const std::string & antenna, size_t chan )
{
return get_antenna( chan );
}
std::string miri_source_c::get_antenna( size_t chan )
{
return "ANT";
}

133
lib/miri/miri_source_c.h Normal file
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@ -0,0 +1,133 @@
/* -*- c++ -*- */
/*
* Copyright 2012 Dimitri Stolnikov <horiz0n@gmx.net>
*
* 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
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_MIRI_SOURCE_C_H
#define INCLUDED_MIRI_SOURCE_C_H
#include <gr_sync_block.h>
#include <gruel/thread.h>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition_variable.hpp>
#include "osmosdr_src_iface.h"
class miri_source_c;
typedef struct mirisdr_dev mirisdr_dev_t;
/*
* 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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@ -34,6 +34,7 @@
#define ENABLE_FCD
#define ENABLE_RTL
#define ENABLE_UHD
#define ENABLE_MIRI
*/
#ifdef ENABLE_OSMOSDR
#include <osmosdr_src_c.h>
@ -51,6 +52,10 @@
#include <uhd_source_c.h>
#endif
#ifdef ENABLE_MIRI
#include <miri_source_c.h>
#endif
#include "osmosdr_arg_helpers.h"
using namespace osmosdr;
@ -118,6 +123,10 @@ devices_t device::find(const device_t &hint)
BOOST_FOREACH( std::string dev, uhd_source_c::get_devices() )
devices.push_back( device_t(dev) );
#endif
#ifdef ENABLE_MIRI
BOOST_FOREACH( std::string dev, miri_source_c::get_devices() )
devices.push_back( device_t(dev) );
#endif
return devices;
}

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@ -54,6 +54,10 @@
#include <uhd_source_c.h>
#endif
#ifdef ENABLE_MIRI
#include <miri_source_c.h>
#endif
#include <osmosdr_arg_helpers.h>
/* This avoids throws in ctor of gr_hier_block2, as gnuradio is unable to deal
@ -99,6 +103,9 @@ osmosdr_source_c_impl::osmosdr_source_c_impl (const std::string &args)
#ifdef ENABLE_UHD
dev_types.push_back("uhd");
#endif
#ifdef ENABLE_MIRI
dev_types.push_back("miri");
#endif
std::cerr << "gr-osmosdr supported device types: ";
BOOST_FOREACH(std::string dev_type, dev_types)
@ -134,6 +141,10 @@ osmosdr_source_c_impl::osmosdr_source_c_impl (const std::string &args)
BOOST_FOREACH( std::string dev, uhd_source_c::get_devices() )
dev_list.push_back( dev );
#endif
#ifdef ENABLE_MIRI
BOOST_FOREACH( std::string dev, miri_source_c::get_devices() )
dev_list.push_back( dev );
#endif
// std::cerr << std::endl;
// BOOST_FOREACH( std::string dev, dev_list )
// std::cerr << "'" << dev << "'" << std::endl;
@ -206,6 +217,17 @@ osmosdr_source_c_impl::osmosdr_source_c_impl (const std::string &args)
_devs.push_back( src.get() );
}
#endif
#ifdef ENABLE_MIRI
if ( dict.count("miri") ) {
miri_source_c_sptr src = make_miri_source_c( arg );
for (size_t i = 0; i < src->get_num_channels(); i++)
connect(src, i, self(), channel++);
_devs.push_back( src.get() );
}
#endif
}
if (!_devs.size())