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authorTom Rondeau <trondeau@vt.edu>2013-03-06 22:00:36 -0500
committerTom Rondeau <trondeau@vt.edu>2013-03-06 22:00:36 -0500
commit6e5dfe1a3e2613df24fd1b47f5eb764eaf3dbd9f (patch)
tree6b6ced438fef13284a9eb0fc870c15367971c777 /gr-blocks/lib
parent64d8f82c531a477262304bf93b98c2de4eb83d35 (diff)
blocks: moved burst_tagger to gr-blocks.
Diffstat (limited to 'gr-blocks/lib')
-rw-r--r--gr-blocks/lib/CMakeLists.txt1
-rw-r--r--gr-blocks/lib/burst_tagger_impl.cc116
-rw-r--r--gr-blocks/lib/burst_tagger_impl.h59
3 files changed, 176 insertions, 0 deletions
diff --git a/gr-blocks/lib/CMakeLists.txt b/gr-blocks/lib/CMakeLists.txt
index 27b4e233a6..8afc77822f 100644
--- a/gr-blocks/lib/CMakeLists.txt
+++ b/gr-blocks/lib/CMakeLists.txt
@@ -138,6 +138,7 @@ list(APPEND gr_blocks_sources
${generated_sources}
count_bits.cc
add_ff_impl.cc
+ burst_tagger_impl.cc
char_to_float_impl.cc
char_to_short_impl.cc
complex_to_interleaved_short_impl.cc
diff --git a/gr-blocks/lib/burst_tagger_impl.cc b/gr-blocks/lib/burst_tagger_impl.cc
new file mode 100644
index 0000000000..5d0691bde6
--- /dev/null
+++ b/gr-blocks/lib/burst_tagger_impl.cc
@@ -0,0 +1,116 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2010,2013 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 "burst_tagger_impl.h"
+#include <gr_io_signature.h>
+#include <string.h>
+
+namespace gr {
+ namespace blocks {
+
+ burst_tagger::sptr
+ burst_tagger::make(size_t itemsize)
+ {
+ return gnuradio::get_initial_sptr
+ (new burst_tagger_impl(itemsize));
+ }
+
+ burst_tagger_impl::burst_tagger_impl(size_t itemsize)
+ : gr_sync_block("burst_tagger",
+ gr_make_io_signature2(2, 2, itemsize, sizeof(short)),
+ gr_make_io_signature(1, 1, itemsize)),
+ d_itemsize(itemsize), d_state(false)
+ {
+ std::stringstream str;
+ str << name() << unique_id();
+
+ d_true_key = pmt::pmt_string_to_symbol("burst");
+ d_true_value = pmt::PMT_T;
+
+ d_false_key = pmt::pmt_string_to_symbol("burst");
+ d_false_value = pmt::PMT_F;
+
+ d_id = pmt::pmt_string_to_symbol(str.str());
+ }
+
+ burst_tagger_impl::~burst_tagger_impl()
+ {
+ }
+
+ void
+ burst_tagger_impl::set_true_tag(const std::string &key, bool value)
+ {
+ d_true_key = pmt::pmt_string_to_symbol(key);
+ if(value == true) {
+ d_true_value = pmt::PMT_T;
+ }
+ else {
+ d_true_value = pmt::PMT_F;
+ }
+ }
+
+ void
+ burst_tagger_impl::set_false_tag (const std::string &key, bool value)
+ {
+ d_false_key = pmt::pmt_string_to_symbol(key);
+ if(value == true) {
+ d_false_value = pmt::PMT_T;
+ }
+ else {
+ d_false_value = pmt::PMT_F;
+ }
+ }
+
+ int
+ burst_tagger_impl::work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+ {
+ const char *signal = (const char*)input_items[0];
+ const short *trigger = (const short*)input_items[1];
+ char *out = (char*)output_items[0];
+
+ memcpy(out, signal, noutput_items * d_itemsize);
+
+ for(int i = 0; i < noutput_items; i++) {
+ if(trigger[i] > 0) {
+ if(d_state == false) {
+ d_state = true;
+ add_item_tag(0, nitems_written(0)+i, d_true_key, d_true_value, d_id);
+ }
+ }
+ else {
+ if(d_state == true) {
+ d_state = false;
+ add_item_tag(0, nitems_written(0)+i, d_false_key, d_false_value, d_id);
+ }
+ }
+ }
+ return noutput_items;
+ }
+
+ } /* namespace blocks */
+} /* namespace gr */
diff --git a/gr-blocks/lib/burst_tagger_impl.h b/gr-blocks/lib/burst_tagger_impl.h
new file mode 100644
index 0000000000..80bdec12fb
--- /dev/null
+++ b/gr-blocks/lib/burst_tagger_impl.h
@@ -0,0 +1,59 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2010,2013 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_GR_BURST_TAGGER_IMPL_H
+#define INCLUDED_GR_BURST_TAGGER_IMPL_H
+
+#include <blocks/burst_tagger.h>
+
+namespace gr {
+ namespace blocks {
+
+ class burst_tagger_impl : public burst_tagger
+ {
+ private:
+ size_t d_itemsize;
+ bool d_state;
+ pmt::pmt_t d_true_key;
+ pmt::pmt_t d_true_value;
+
+ pmt::pmt_t d_false_key;
+ pmt::pmt_t d_false_value;
+
+ pmt::pmt_t d_id;
+
+ public:
+ burst_tagger_impl(size_t itemsize);
+ ~burst_tagger_impl();
+
+ void set_true_tag(const std::string &key, bool value);
+ void set_false_tag(const std::string &key, bool value);
+
+ int work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_BURST_TAGGER_IMPL_H */
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