diff options
Diffstat (limited to 'gr-blocks')
| -rw-r--r-- | gr-blocks/grc/blocks_block_tree.xml | 1 | ||||
| -rw-r--r-- | gr-blocks/grc/blocks_short_to_char.xml | 28 | ||||
| -rw-r--r-- | gr-blocks/include/blocks/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | gr-blocks/include/blocks/short_to_char.h | 51 | ||||
| -rw-r--r-- | gr-blocks/lib/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | gr-blocks/lib/short_to_char_impl.cc | 69 | ||||
| -rw-r--r-- | gr-blocks/lib/short_to_char_impl.h | 47 | ||||
| -rwxr-xr-x | gr-blocks/python/qa_type_conversions.py | 10 | ||||
| -rw-r--r-- | gr-blocks/swig/blocks_swig.i | 3 |
9 files changed, 212 insertions, 1 deletions
diff --git a/gr-blocks/grc/blocks_block_tree.xml b/gr-blocks/grc/blocks_block_tree.xml index 9a56d4c41..64af22cfd 100644 --- a/gr-blocks/grc/blocks_block_tree.xml +++ b/gr-blocks/grc/blocks_block_tree.xml @@ -55,5 +55,6 @@ <block>blocks_float_to_uchar</block> <block>blocks_int_to_float</block> <block>blocks_interleaved_short_to_complex</block> + <block>blocks_short_to_char</block> </cat> </cat> diff --git a/gr-blocks/grc/blocks_short_to_char.xml b/gr-blocks/grc/blocks_short_to_char.xml new file mode 100644 index 000000000..1951333d1 --- /dev/null +++ b/gr-blocks/grc/blocks_short_to_char.xml @@ -0,0 +1,28 @@ +<?xml version="1.0"?> +<!-- +################################################### +##Short to char: +################################################### + --> +<block> + <name>Short To Char</name> + <key>blocks_short_to_char</key> + <import>from gnuradio import blocks</import> + <make>blocks.short_to_char($vlen)</make> + <param> + <name>Vec Length</name> + <key>vlen</key> + <value>1</value> + <type>int</type> + </param> + <sink> + <name>in</name> + <type>short</type> + <vlen>$vlen</vlen> + </sink> + <source> + <name>out</name> + <type>byte</type> + <vlen>$vlen</vlen> + </source> +</block> diff --git a/gr-blocks/include/blocks/CMakeLists.txt b/gr-blocks/include/blocks/CMakeLists.txt index 9616db3a6..00df9511e 100644 --- a/gr-blocks/include/blocks/CMakeLists.txt +++ b/gr-blocks/include/blocks/CMakeLists.txt @@ -99,11 +99,12 @@ install(FILES float_to_short.h float_to_uchar.h int_to_float.h - interleaved_complex_to_short.h + interleaved_short_to_complex.h multiply_cc.h multiply_ff.h multiply_const_cc.h multiply_const_ff.h + short_to_char.h DESTINATION ${GR_INCLUDE_DIR}/gnuradio/blocks COMPONENT "blocks_devel" ) diff --git a/gr-blocks/include/blocks/short_to_char.h b/gr-blocks/include/blocks/short_to_char.h new file mode 100644 index 000000000..eeb053b0e --- /dev/null +++ b/gr-blocks/include/blocks/short_to_char.h @@ -0,0 +1,51 @@ +/* -*- 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. + */ + +#ifndef INCLUDED_BLOCKS_SHORT_TO_CHAR_H +#define INCLUDED_BLOCKS_SHORT_TO_CHAR_H + +#include <blocks/api.h> +#include <gr_sync_block.h> + +namespace gr { + namespace blocks { + + /*! + * \brief Convert stream of shorts to a stream of chars + * \ingroup converter_blk + * + * \param vlen vector length of data streams. + */ + class BLOCKS_API short_to_char : virtual public gr_sync_block + { + public: + + // gr::blocks::short_to_char_ff::sptr + typedef boost::shared_ptr<short_to_char> sptr; + + static sptr make(size_t vlen=1); + }; + + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* INCLUDED_BLOCKS_SHORT_TO_CHAR_H */ diff --git a/gr-blocks/lib/CMakeLists.txt b/gr-blocks/lib/CMakeLists.txt index 21b17d315..458a63221 100644 --- a/gr-blocks/lib/CMakeLists.txt +++ b/gr-blocks/lib/CMakeLists.txt @@ -141,6 +141,7 @@ list(APPEND gr_blocks_sources multiply_ff_impl.cc multiply_const_cc_impl.cc multiply_const_ff_impl.cc + short_to_char_impl.cc ) list(APPEND blocks_libs diff --git a/gr-blocks/lib/short_to_char_impl.cc b/gr-blocks/lib/short_to_char_impl.cc new file mode 100644 index 000000000..54875a2b3 --- /dev/null +++ b/gr-blocks/lib/short_to_char_impl.cc @@ -0,0 +1,69 @@ +/* -*- 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "short_to_char_impl.h" +#include <gr_io_signature.h> +#include <volk/volk.h> + +namespace gr { + namespace blocks { + + short_to_char::sptr short_to_char::make(size_t vlen) + { + return gnuradio::get_initial_sptr(new short_to_char_impl(vlen)); + } + + short_to_char_impl::short_to_char_impl(size_t vlen) + : gr_sync_block("short_to_char", + gr_make_io_signature (1, 1, sizeof(short)*vlen), + gr_make_io_signature (1, 1, sizeof(char)*vlen)), + d_vlen(vlen) + { + const int alignment_multiple = + volk_get_alignment() / sizeof(char); + set_alignment(std::max(1, alignment_multiple)); + } + + int + short_to_char_impl::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + const int16_t *in = (const int16_t *) input_items[0]; + int8_t *out = (int8_t *) output_items[0]; + + if(is_unaligned()) { + volk_16i_convert_8i_u(out, in, d_vlen*noutput_items); + } + else { + volk_16i_convert_8i_a(out, in, d_vlen*noutput_items); + } + + return noutput_items; + } + + } /* namespace blocks */ +}/* namespace gr */ diff --git a/gr-blocks/lib/short_to_char_impl.h b/gr-blocks/lib/short_to_char_impl.h new file mode 100644 index 000000000..37474094d --- /dev/null +++ b/gr-blocks/lib/short_to_char_impl.h @@ -0,0 +1,47 @@ +/* -*- 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. + */ + +#ifndef INCLUDED_SHORT_TO_CHAR_IMPL_H +#define INCLUDED_SHORT_TO_CHAR_IMPL_H + +#include <blocks/short_to_char.h> + +namespace gr { + namespace blocks { + + class BLOCKS_API short_to_char_impl : public short_to_char + { + size_t d_vlen; + + public: + short_to_char_impl(size_t vlen); + + int work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + }; + + } /* namespace blocks */ +} /* namespace gr */ + + +#endif /* INCLUDED_SHORT_TO_CHAR_IMPL_H */ diff --git a/gr-blocks/python/qa_type_conversions.py b/gr-blocks/python/qa_type_conversions.py index 92e0a7ca4..ddb876b3d 100755 --- a/gr-blocks/python/qa_type_conversions.py +++ b/gr-blocks/python/qa_type_conversions.py @@ -271,6 +271,16 @@ class test_type_conversions(gr_unittest.TestCase): self.tb.run() self.assertEqual(expected_data, dst.data()) + def test_short_to_char(self): + src_data = (256, 512, 768, 1024, 1280) + expected_data = (1, 2, 3, 4, 5) + src = gr.vector_source_s(src_data) + op = blocks_swig.short_to_char() + dst = gr.vector_sink_b() + self.tb.connect(src, op, dst) + self.tb.run() + self.assertEqual(expected_data, dst.data()) + if __name__ == '__main__': gr_unittest.run(test_type_conversions, "test_type_conversions.xml") diff --git a/gr-blocks/swig/blocks_swig.i b/gr-blocks/swig/blocks_swig.i index 0545a833c..6cb680314 100644 --- a/gr-blocks/swig/blocks_swig.i +++ b/gr-blocks/swig/blocks_swig.i @@ -72,6 +72,7 @@ #include "blocks/multiply_const_vii.h" #include "blocks/multiply_const_vff.h" #include "blocks/multiply_const_vcc.h" +#include "blocks/short_to_char.h" #include "blocks/sub_ff.h" #include "blocks/sub_ss.h" #include "blocks/sub_ii.h" @@ -122,6 +123,7 @@ %include "blocks/multiply_const_vii.h" %include "blocks/multiply_const_vff.h" %include "blocks/multiply_const_vcc.h" +%include "blocks/short_to_char.h" %include "blocks/sub_ff.h" %include "blocks/sub_ss.h" %include "blocks/sub_ii.h" @@ -171,6 +173,7 @@ GR_SWIG_BLOCK_MAGIC2(blocks, multiply_const_vss); GR_SWIG_BLOCK_MAGIC2(blocks, multiply_const_vii); GR_SWIG_BLOCK_MAGIC2(blocks, multiply_const_vff); GR_SWIG_BLOCK_MAGIC2(blocks, multiply_const_vcc); +GR_SWIG_BLOCK_MAGIC2(blocks, short_to_char); GR_SWIG_BLOCK_MAGIC2(blocks, sub_ff); GR_SWIG_BLOCK_MAGIC2(blocks, sub_ss); GR_SWIG_BLOCK_MAGIC2(blocks, sub_ii); |