diff options
Diffstat (limited to 'gr-filter')
| -rw-r--r-- | gr-filter/CMakeLists.txt | 109 | ||||
| -rw-r--r-- | gr-filter/doc/CMakeLists.txt | 23 | ||||
| -rw-r--r-- | gr-filter/doc/README.filter | 13 | ||||
| -rw-r--r-- | gr-filter/doc/filter.dox | 27 | ||||
| -rw-r--r-- | gr-filter/gnuradio-filter.pc.in | 11 | ||||
| -rw-r--r-- | gr-filter/grc/CMakeLists.txt | 24 | ||||
| -rw-r--r-- | gr-filter/grc/filter_block_tree.xml | 34 | ||||
| -rw-r--r-- | gr-filter/include/filter/CMakeLists.txt | 82 | ||||
| -rw-r--r-- | gr-filter/include/filter/api.h | 33 | ||||
| -rw-r--r-- | gr-filter/include/filter/fft.h | 195 | ||||
| -rw-r--r-- | gr-filter/include/filter/fft_vcc.h | 57 | ||||
| -rw-r--r-- | gr-filter/include/filter/fir_filter_fff.h | 53 | ||||
| -rw-r--r-- | gr-filter/lib/CMakeLists.txt | 60 | ||||
| -rw-r--r-- | gr-filter/lib/fir_filter_fff_impl.cc | 110 | ||||
| -rw-r--r-- | gr-filter/lib/fir_filter_fff_impl.h | 56 | ||||
| -rw-r--r-- | gr-filter/python/CMakeLists.txt | 47 | ||||
| -rw-r--r-- | gr-filter/python/__init__.py | 28 | ||||
| -rwxr-xr-x | gr-filter/python/qa_fir_filter.py | 46 | ||||
| -rw-r--r-- | gr-filter/swig/CMakeLists.txt | 53 | ||||
| -rw-r--r-- | gr-filter/swig/filter_swig.i | 36 |
20 files changed, 1097 insertions, 0 deletions
diff --git a/gr-filter/CMakeLists.txt b/gr-filter/CMakeLists.txt new file mode 100644 index 000000000..a4d25fd13 --- /dev/null +++ b/gr-filter/CMakeLists.txt @@ -0,0 +1,109 @@ +# 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. + +######################################################################## +# Setup dependencies +######################################################################## +include(GrBoost) + +######################################################################## +# Register component +######################################################################## +include(GrComponent) + +GR_REGISTER_COMPONENT("gr-filter" ENABLE_GR_FILTER + ENABLE_GRUEL + ENABLE_VOLK + Boost_FOUND + ENABLE_GR_CORE + ENABLE_GR_FFT +) + +GR_SET_GLOBAL(FILTER_INCLUDE_DIRS + ${CMAKE_CURRENT_SOURCE_DIR}/lib + ${CMAKE_CURRENT_SOURCE_DIR}/include +) + +######################################################################## +# Begin conditional configuration +######################################################################## +if(ENABLE_GR_FILTER) + +######################################################################## +# Setup CPack components +######################################################################## +include(GrPackage) +CPACK_SET(CPACK_COMPONENT_GROUP_FILTER_DESCRIPTION "GNU Radio Filter Blocks") + +CPACK_COMPONENT("filter_runtime" + GROUP "Filter" + DISPLAY_NAME "Runtime" + DESCRIPTION "Runtime" + DEPENDS "core_runtime" +) + +CPACK_COMPONENT("filter_devel" + GROUP "Filter" + DISPLAY_NAME "Development" + DESCRIPTION "C++ headers, package config, import libraries" + DEPENDS "core_devel" +) + +CPACK_COMPONENT("filter_python" + GROUP "Filter" + DISPLAY_NAME "Python" + DESCRIPTION "Python modules for runtime; GRC xml files" + DEPENDS "core_python;filter_runtime" +) + +CPACK_COMPONENT("filter_swig" + GROUP "Filter" + DISPLAY_NAME "SWIG" + DESCRIPTION "SWIG development .i files" + DEPENDS "core_swig;filter_python;filter_devel" +) + +######################################################################## +# Add subdirectories +######################################################################## +add_subdirectory(include/filter) +add_subdirectory(lib) +if(ENABLE_PYTHON) + add_subdirectory(swig) + add_subdirectory(python) + add_subdirectory(grc) +endif(ENABLE_PYTHON) +#add_subdirectory(examples) +add_subdirectory(doc) + +######################################################################## +# Create Pkg Config File +######################################################################## +configure_file( + ${CMAKE_CURRENT_SOURCE_DIR}/gnuradio-filter.pc.in + ${CMAKE_CURRENT_BINARY_DIR}/gnuradio-filter.pc +@ONLY) + +install( + FILES ${CMAKE_CURRENT_BINARY_DIR}/gnuradio-filter.pc + DESTINATION ${GR_LIBRARY_DIR}/pkgconfig + COMPONENT "filter_devel" +) + +endif(ENABLE_GR_FILTER) diff --git a/gr-filter/doc/CMakeLists.txt b/gr-filter/doc/CMakeLists.txt new file mode 100644 index 000000000..63447ed2c --- /dev/null +++ b/gr-filter/doc/CMakeLists.txt @@ -0,0 +1,23 @@ +# 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. + +install( + FILES README.filter + DESTINATION ${GR_PKG_DOC_DIR} +) diff --git a/gr-filter/doc/README.filter b/gr-filter/doc/README.filter new file mode 100644 index 000000000..776acd46c --- /dev/null +++ b/gr-filter/doc/README.filter @@ -0,0 +1,13 @@ +This is the gr-filter package. It contains signal processing blocks to +perform filtering operations. + +The Python namespace is in gnuradio.filter, which would be normally +imported as: + + from gnuradio import filter + +See the Doxygen documentation for details about the blocks available +in this package. A quick listing of the details can be found in Python +after importing by using: + + help(filter) diff --git a/gr-filter/doc/filter.dox b/gr-filter/doc/filter.dox new file mode 100644 index 000000000..fc3b52e91 --- /dev/null +++ b/gr-filter/doc/filter.dox @@ -0,0 +1,27 @@ +/*! \page page_filter filter Signal Processing Blocks + +\section Introduction + +This is the gr-filter package. It contains signal processing blocks to +perform filtering operations. + +The Python namespace is in gnuradio.filter, which would be normally +imported as: + +\code + from gnuradio import filter +\endcode + +See the Doxygen documentation for details about the blocks available +in this package. A quick listing of the details can be found in Python +after importing by using: + +\code + help(filter) +\endcode + +\section Dependencies + +The filter blocks depend on \ref page_fft. + +*/ diff --git a/gr-filter/gnuradio-filter.pc.in b/gr-filter/gnuradio-filter.pc.in new file mode 100644 index 000000000..e4e83b350 --- /dev/null +++ b/gr-filter/gnuradio-filter.pc.in @@ -0,0 +1,11 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ + +Name: gnuradio-filter +Description: GNU Radio's filter signal processing blocks +Requires: gnuradio-core gnuradio-fft +Version: @LIBVER@ +Libs: -L${libdir} -lgnuradio-filter +Cflags: -I${includedir} diff --git a/gr-filter/grc/CMakeLists.txt b/gr-filter/grc/CMakeLists.txt new file mode 100644 index 000000000..79496183f --- /dev/null +++ b/gr-filter/grc/CMakeLists.txt @@ -0,0 +1,24 @@ +# 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. + +install(FILES + filter_block_tree.xml + DESTINATION ${GRC_BLOCKS_DIR} + COMPONENT "filter_python" +) diff --git a/gr-filter/grc/filter_block_tree.xml b/gr-filter/grc/filter_block_tree.xml new file mode 100644 index 000000000..a97620db9 --- /dev/null +++ b/gr-filter/grc/filter_block_tree.xml @@ -0,0 +1,34 @@ +<?xml version="1.0"?> + +<!-- + 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. +--> + +<!-- +################################################### +##Block Tree for GR Filter blocks. +################################################### + --> +<cat> + <name></name> <!-- Blank for Root Name --> + <cat> + <name>Filters</name> + </cat> +</cat> diff --git a/gr-filter/include/filter/CMakeLists.txt b/gr-filter/include/filter/CMakeLists.txt new file mode 100644 index 000000000..a3c83f3dc --- /dev/null +++ b/gr-filter/include/filter/CMakeLists.txt @@ -0,0 +1,82 @@ +# 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. + +######################################################################## +# generate helper scripts to expand templated files +######################################################################## +include(GrPython) + +file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/generate_helper.py " +#!${PYTHON_EXECUTABLE} + +import sys, os, re +sys.path.append('${GR_CORE_PYTHONPATH}') +os.environ['srcdir'] = '${CMAKE_CURRENT_SOURCE_DIR}' +os.chdir('${CMAKE_CURRENT_BINARY_DIR}') + +if __name__ == '__main__': + import build_utils + root, inp = sys.argv[1:3] + for sig in sys.argv[3:]: + name = re.sub ('X+', sig, root) + d = build_utils.standard_dict2(name, sig, 'filter') + build_utils.expand_template(d, inp) + +") + +macro(expand_h root) + #make a list of all the generated files + unset(expanded_files_h) + foreach(sig ${ARGN}) + string(REGEX REPLACE "X+" ${sig} name ${root}) + list(APPEND expanded_files_h ${CMAKE_CURRENT_BINARY_DIR}/${name}.h) + endforeach(sig) + + #create a command to generate the files + add_custom_command( + OUTPUT ${expanded_files_h} + DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${root}.h.t + COMMAND ${PYTHON_EXECUTABLE} ${PYTHON_DASH_B} + ${CMAKE_CURRENT_BINARY_DIR}/generate_helper.py + ${root} ${root}.h.t ${ARGN} + ) + + #install rules for the generated h files + list(APPEND generated_includes ${expanded_files_h}) +endmacro(expand_h) + +######################################################################## +# Invoke macro to generate various sources +####################################################################### +#expand_h(fir_filter_XXX fff ccc ccf fcc fsf scc) + +#add_custom_target(filter_generated_includes DEPENDS +# ${generated_includes} +#) + +######################################################################## +# Install header files +######################################################################## +install(FILES + api.h + fir_filter_fff.h + DESTINATION ${GR_INCLUDE_DIR}/gnuradio/fft + COMPONENT "fft_devel" +) + diff --git a/gr-filter/include/filter/api.h b/gr-filter/include/filter/api.h new file mode 100644 index 000000000..025b0bd4a --- /dev/null +++ b/gr-filter/include/filter/api.h @@ -0,0 +1,33 @@ +/* + * 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. + */ + +#ifndef INCLUDED_FILTER_API_H +#define INCLUDED_FILTER_API_H + +#include <gruel/attributes.h> + +#ifdef gnuradio_filter_EXPORTS +# define FILTER_API __GR_ATTR_EXPORT +#else +# define FILTER_API __GR_ATTR_IMPORT +#endif + +#endif /* INCLUDED_FILTER_API_H */ diff --git a/gr-filter/include/filter/fft.h b/gr-filter/include/filter/fft.h new file mode 100644 index 000000000..5cc2e21e8 --- /dev/null +++ b/gr-filter/include/filter/fft.h @@ -0,0 +1,195 @@ +/* -*- c++ -*- */ +/* + * Copyright 2003,2008,2012 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. + */ + +#ifndef _FFT_FFT_H_ +#define _FFT_FFT_H_ + +/* + * Wrappers for FFTW single precision 1d dft + */ + +#include <fft/api.h> +#include <gr_complex.h> +#include <boost/thread.hpp> + +namespace gr { + namespace fft { + + + /*! \brief Helper function for allocating complex fft buffers + */ + gr_complex* malloc_complex(int size); + + /*! \brief Helper function for allocating float fft buffers + */ + float* malloc_float(int size); + + /*! \brief Helper function for freeing fft buffers + */ + void free(void *b); + + /*! + * \brief Export reference to planner mutex for those apps that + * want to use FFTW w/o using the fft_impl_fftw* classes. + */ + class FFT_API planner { + public: + typedef boost::mutex::scoped_lock scoped_lock; + /*! + * Return reference to planner mutex + */ + static boost::mutex &mutex(); + }; + + /*! + * \brief FFT: complex in, complex out + * \ingroup misc + */ + class FFT_API fft_complex { + int d_fft_size; + int d_nthreads; + gr_complex *d_inbuf; + gr_complex *d_outbuf; + void *d_plan; + + public: + fft_complex(int fft_size, bool forward = true, int nthreads=1); + virtual ~fft_complex(); + + /* + * These return pointers to buffers owned by fft_impl_fft_complex + * into which input and output take place. It's done this way in + * order to ensure optimal alignment for SIMD instructions. + */ + gr_complex *get_inbuf() const { return d_inbuf; } + gr_complex *get_outbuf() const { return d_outbuf; } + + int inbuf_length() const { return d_fft_size; } + int outbuf_length() const { return d_fft_size; } + + /*! + * Set the number of threads to use for caclulation. + */ + void set_nthreads(int n); + + /*! + * Get the number of threads being used by FFTW + */ + int nthreads() const { return d_nthreads; } + + /*! + * compute FFT. The input comes from inbuf, the output is placed in + * outbuf. + */ + void execute(); + }; + + /*! + * \brief FFT: real in, complex out + * \ingroup misc + */ + class FFT_API fft_real_fwd { + int d_fft_size; + int d_nthreads; + float *d_inbuf; + gr_complex *d_outbuf; + void *d_plan; + + public: + fft_real_fwd (int fft_size, int nthreads=1); + virtual ~fft_real_fwd (); + + /* + * These return pointers to buffers owned by fft_impl_fft_real_fwd + * into which input and output take place. It's done this way in + * order to ensure optimal alignment for SIMD instructions. + */ + float *get_inbuf() const { return d_inbuf; } + gr_complex *get_outbuf() const { return d_outbuf; } + + int inbuf_length() const { return d_fft_size; } + int outbuf_length() const { return d_fft_size / 2 + 1; } + + /*! + * Set the number of threads to use for caclulation. + */ + void set_nthreads(int n); + + /*! + * Get the number of threads being used by FFTW + */ + int nthreads() const { return d_nthreads; } + + /*! + * compute FFT. The input comes from inbuf, the output is placed in + * outbuf. + */ + void execute(); + }; + + /*! + * \brief FFT: complex in, float out + * \ingroup misc + */ + class FFT_API fft_real_rev { + int d_fft_size; + int d_nthreads; + gr_complex *d_inbuf; + float *d_outbuf; + void *d_plan; + + public: + fft_real_rev(int fft_size, int nthreads=1); + virtual ~fft_real_rev(); + + /* + * These return pointers to buffers owned by fft_impl_fft_real_rev + * into which input and output take place. It's done this way in + * order to ensure optimal alignment for SIMD instructions. + */ + gr_complex *get_inbuf() const { return d_inbuf; } + float *get_outbuf() const { return d_outbuf; } + + int inbuf_length() const { return d_fft_size / 2 + 1; } + int outbuf_length() const { return d_fft_size; } + + /*! + * Set the number of threads to use for caclulation. + */ + void set_nthreads(int n); + + /*! + * Get the number of threads being used by FFTW + */ + int nthreads() const { return d_nthreads; } + + /*! + * compute FFT. The input comes from inbuf, the output is placed in + * outbuf. + */ + void execute(); + }; + + } /* namespace fft */ +} /*namespace gr */ + +#endif /* _FFT_FFT_H_ */ diff --git a/gr-filter/include/filter/fft_vcc.h b/gr-filter/include/filter/fft_vcc.h new file mode 100644 index 000000000..561ae858d --- /dev/null +++ b/gr-filter/include/filter/fft_vcc.h @@ -0,0 +1,57 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2007,2008,2012 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. + */ + +#ifndef INCLUDED_FFT_FFT_VCC_H +#define INCLUDED_FFT_FFT_VCC_H + +#include <fft/api.h> +#include <gr_sync_block.h> + +namespace gr { + namespace fft { + + class FFT_API fft_vcc : virtual public gr_sync_block + { + public: + + // gr::fft::fft_vcc::sptr + typedef boost::shared_ptr<fft_vcc> sptr; + + /*! + * \brief Compute forward or reverse FFT. complex vector in / complex vector out. + * \ingroup dft_blk + */ + static FFT_API sptr make(int fft_size, bool forward, + const std::vector<float> &window, + bool shift=false, int nthreads=1); + + virtual void set_nthreads(int n) = 0; + + virtual int nthreads() const = 0; + + virtual bool set_window(const std::vector<float> &window) = 0; + }; + + } /* namespace fft */ +} /* namespace gr */ + +#endif /* INCLUDED_FFT_FFT_VCC_H */ diff --git a/gr-filter/include/filter/fir_filter_fff.h b/gr-filter/include/filter/fir_filter_fff.h new file mode 100644 index 000000000..5b6d19b34 --- /dev/null +++ b/gr-filter/include/filter/fir_filter_fff.h @@ -0,0 +1,53 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2012 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. + */ + +#ifndef FILTER_FIR_FILTER_FFF_H +#define FILTER_FIR_FILTER_FFF_H + +#include <filter/api.h> +#include <gr_sync_decimator.h> + +namespace gr { + namespace filter { + + class FILTER_API fir_filter_fff : virtual public gr_sync_decimator + { + public: + + // gr::filter::fir_filter_fff::sptr + typedef boost::shared_ptr<fir_filter_fff> sptr; + + /*! + * \brief FIR filter with float input, float output, and float taps + * \ingroup filter_blk + */ + static FILTER_API sptr make(int decimation, + const std::vector<float> &taps); + + virtual void set_taps (const std::vector<float> &taps) = 0; + virtual std::vector<float> taps () const = 0; + }; + + } /* namespace filter */ +} /* namespace gr */ + +#endif /* FILTER_FIR_FILTER_FFF_H */ diff --git a/gr-filter/lib/CMakeLists.txt b/gr-filter/lib/CMakeLists.txt new file mode 100644 index 000000000..0ffdb75fc --- /dev/null +++ b/gr-filter/lib/CMakeLists.txt @@ -0,0 +1,60 @@ +# 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. + +######################################################################## +# Setup the include and linker paths +######################################################################## +include_directories( + ${GNURADIO_CORE_INCLUDE_DIRS} + ${VOLK_INCLUDE_DIRS} + ${CMAKE_CURRENT_SOURCE_DIR} + ${CMAKE_CURRENT_BINARY_DIR} +) + +include_directories(${FILTER_INCLUDE_DIRS}) +link_directories(${FILTER_LIBRARY_DIRS}) + +include_directories(${FFT_INCLUDE_DIRS}) +link_directories(${FFT_LIBRARY_DIRS}) + +include_directories(${Boost_INCLUDE_DIRS}) +link_directories(${Boost_LIBRARY_DIRS}) + +include_directories(${FFTW3F_INCLUDE_DIRS}) +link_directories(${FFTW3F_LIBRARY_DIRS}) + +######################################################################## +# Setup library +######################################################################## +list(APPEND filter_sources + fir_filter_fff_impl.cc +) + +list(APPEND filter_libs + gnuradio-core + gnuradio-fft + ${Boost_LIBRARIES} + ${FFTW3F_LIBRARIES} + ${VOLK_LIBRARIES} +) + +add_library(gnuradio-filter SHARED ${filter_sources}) +target_link_libraries(gnuradio-filter ${filter_libs}) +GR_LIBRARY_FOO(gnuradio-filter RUNTIME_COMPONENT "filter_runtime" DEVEL_COMPONENT "filter_devel") +add_dependencies(gnuradio-filter gnuradio-fft filter_generated_includes filter_generated_swigs) diff --git a/gr-filter/lib/fir_filter_fff_impl.cc b/gr-filter/lib/fir_filter_fff_impl.cc new file mode 100644 index 000000000..4a1233a24 --- /dev/null +++ b/gr-filter/lib/fir_filter_fff_impl.cc @@ -0,0 +1,110 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2010,2012 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "fir_filter_fff_impl.h" +#include <gr_io_signature.h> +#include <volk/volk.h> +#include <fft/fft.h> +#include <gr_math.h> + +namespace gr { + namespace filter { + + fir_filter_fff::sptr + fir_filter_fff::make(int decimation, const std::vector<float> &taps) + { + return gnuradio::get_initial_sptr(new fir_filter_fff_impl + (decimation, taps)); + } + + + fir_filter_fff_impl::fir_filter_fff_impl(int decimation, + const std::vector<float> &taps) + : gr_sync_decimator("fir_filter_fff", + gr_make_io_signature (1, 1, sizeof(float)), + gr_make_io_signature (1, 1, sizeof(float)), + decimation) + { + set_taps(taps); + d_updated = false; + set_history(d_ntaps+1); + } + + fir_filter_fff_impl::~fir_filter_fff_impl() + { + } + + void + fir_filter_fff_impl::set_taps(const std::vector<float> &taps) + { + d_ntaps = (int)taps.size(); + d_taps = fft::malloc_float(d_ntaps); + for(int i = 0; i < d_ntaps; i++) { + d_taps[i] = taps[i]; + } + d_updated = true; + } + + std::vector<float> + fir_filter_fff_impl::taps() const + { + std::vector<float> t; + for(int i = 0; i < d_ntaps; i++) + t.push_back(d_taps[i]); + return t; + } + + int + fir_filter_fff_impl::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + const float *in = (const float*)input_items[0]; + float *out = (float*)output_items[0]; + + if (d_updated) { + set_history((unsigned int)d_ntaps+1); + d_updated = false; + return 0; // history requirements may have changed. + } + + if (decimation() == 1) { + for(int i = 0; i < noutput_items; i++) { + volk_32f_x2_dot_prod_32f_u(&out[i], &in[i], d_taps, d_ntaps); + } + + //d_fir->filterN(out, in, noutput_items); + } + else { + //d_fir->filterNdec(out, in, noutput_items, decimation()); + } + + return noutput_items; + } + + } /* namespace filter */ +} /* namespace gr */ + diff --git a/gr-filter/lib/fir_filter_fff_impl.h b/gr-filter/lib/fir_filter_fff_impl.h new file mode 100644 index 000000000..962781466 --- /dev/null +++ b/gr-filter/lib/fir_filter_fff_impl.h @@ -0,0 +1,56 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2012 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. + */ + +#ifndef FILTER_FIR_FILTER_FFF_IMPL_H +#define FILTER_FIR_FILTER_FFF_IMPL_H + +#include <filter/api.h> +#include <filter/fir_filter_fff.h> + +namespace gr { + namespace filter { + + class FILTER_API fir_filter_fff_impl : public fir_filter_fff + { + private: + float *d_taps; + int d_ntaps; + bool d_updated; + + public: + fir_filter_fff_impl(int decimation, + const std::vector<float> &taps); + + ~fir_filter_fff_impl(); + + void set_taps(const std::vector<float> &taps); + std::vector<float> taps() const; + + int work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + }; + + } /* namespace filter */ +} /* namespace gr */ + +#endif /* FILTER_FIR_FILTER_FFF_IMPL_H */ diff --git a/gr-filter/python/CMakeLists.txt b/gr-filter/python/CMakeLists.txt new file mode 100644 index 000000000..e52cac759 --- /dev/null +++ b/gr-filter/python/CMakeLists.txt @@ -0,0 +1,47 @@ +# 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. + +######################################################################## +include(GrPython) + +GR_PYTHON_INSTALL( + FILES + __init__.py + DESTINATION ${GR_PYTHON_DIR}/gnuradio/filter + COMPONENT "filter_python" +) + +######################################################################## +# Handle the unit tests +######################################################################## +if(ENABLE_TESTING) +include(GrTest) +file(GLOB py_qa_test_files "qa_*.py") +foreach(py_qa_test_file ${py_qa_test_files}) + get_filename_component(py_qa_test_name ${py_qa_test_file} NAME_WE) + set(GR_TEST_PYTHON_DIRS + ${CMAKE_BINARY_DIR}/gnuradio-core/src/python + ${CMAKE_BINARY_DIR}/gnuradio-core/src/lib/swig + ${CMAKE_BINARY_DIR}/gr-filter/python + ${CMAKE_BINARY_DIR}/gr-filter/swig + ) + set(GR_TEST_TARGET_DEPS gruel gnuradio-core gnuradio-filter) + GR_ADD_TEST(${py_qa_test_name} ${PYTHON_EXECUTABLE} ${py_qa_test_file}) +endforeach(py_qa_test_file) +endif(ENABLE_TESTING) diff --git a/gr-filter/python/__init__.py b/gr-filter/python/__init__.py new file mode 100644 index 000000000..56dd2dc5a --- /dev/null +++ b/gr-filter/python/__init__.py @@ -0,0 +1,28 @@ +# +# 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 is the gr-filter package. This package provides GNU Radio +processing blocks for FILTER and related functions. +''' + +from filter_swig import * + diff --git a/gr-filter/python/qa_fir_filter.py b/gr-filter/python/qa_fir_filter.py new file mode 100755 index 000000000..928f17aa3 --- /dev/null +++ b/gr-filter/python/qa_fir_filter.py @@ -0,0 +1,46 @@ +#!/usr/bin/env python +# +# Copyright 2008,2010,2012 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 this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# + +from gnuradio import gr, gr_unittest +import filter_swig as filter + +class test_filter(gr_unittest.TestCase): + + def setUp(self): + self.tb = gr.top_block () + + def tearDown(self): + self.tb = None + + def test_fir_filter_fff_001(self): + src_data = [1, 2, 3, 4] + expected_data = [0, 0.5, 1.5, 2.5] + src = gr.vector_source_f(src_data) + op = filter.fir_filter_fff(1, [0.5, 0.5]) + dst = gr.vector_sink_f() + self.tb.connect(src, op, dst) + self.tb.run() + result_data = dst.data() + self.assertFloatTuplesAlmostEqual(expected_data, result_data, 5) + +if __name__ == '__main__': + gr_unittest.run(test_filter, "test_filter.xml") + diff --git a/gr-filter/swig/CMakeLists.txt b/gr-filter/swig/CMakeLists.txt new file mode 100644 index 000000000..5dff9f631 --- /dev/null +++ b/gr-filter/swig/CMakeLists.txt @@ -0,0 +1,53 @@ +# 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. + +######################################################################## +# Setup swig generation +######################################################################## +include(GrPython) +include(GrSwig) + +set(GR_SWIG_INCLUDE_DIRS + ${FILTER_INCLUDE_DIRS} + ${GNURADIO_CORE_SWIG_INCLUDE_DIRS} + ${FFT_INCLUDE_DIRS} + ${FFTW3F_INCLUDE_DIRS} +) + +# FIXME: rename to filter_swig_doc.i when gnuradio-core is updated +set(GR_SWIG_DOC_FILE ${CMAKE_CURRENT_BINARY_DIR}/gr_filter_swig_doc.i) +set(GR_SWIG_DOC_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/../lib) + +set(GR_SWIG_LIBRARIES gnuradio-filter gnuradio-fft) + +GR_SWIG_MAKE(filter_swig filter_swig.i) + +GR_SWIG_INSTALL( + TARGETS filter_swig + DESTINATION ${GR_PYTHON_DIR}/gnuradio/filter + COMPONENT "filter_python" +) + +install( + FILES + filter_swig.i + ${CMAKE_CURRENT_BINARY_DIR}/gr_filter_swig_doc.i + DESTINATION ${GR_INCLUDE_DIR}/gnuradio/swig + COMPONENT "filter_swig" +) diff --git a/gr-filter/swig/filter_swig.i b/gr-filter/swig/filter_swig.i new file mode 100644 index 000000000..55ee3c56c --- /dev/null +++ b/gr-filter/swig/filter_swig.i @@ -0,0 +1,36 @@ +/* -*- c++ -*- */ +/* + * 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. + */ + +#define FILTER_API + +%include "gnuradio.i" + +//load generated python docstrings +%include "gr_filter_swig_doc.i" + +%{ +#include "filter/fir_filter_fff.h" +%} + +%include "filter/fir_filter_fff.h" + +GR_SWIG_BLOCK_MAGIC2(filter, fir_filter_fff); |