From a792bb88f3c3caa347506503de973aafaf78e0af Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Sat, 16 Mar 2013 19:30:59 -0400
Subject: blocks: moving copy, endian_swap, head, skiphead,
vector_source/sink/insert to gr-blocks.
---
gr-blocks/lib/annotator_1to1_impl.cc | 113 +++++++++++++++++++++++++++++++++++
1 file changed, 113 insertions(+)
create mode 100644 gr-blocks/lib/annotator_1to1_impl.cc
(limited to 'gr-blocks/lib/annotator_1to1_impl.cc')
diff --git a/gr-blocks/lib/annotator_1to1_impl.cc b/gr-blocks/lib/annotator_1to1_impl.cc
new file mode 100644
index 0000000000..d3f4758684
--- /dev/null
+++ b/gr-blocks/lib/annotator_1to1_impl.cc
@@ -0,0 +1,113 @@
+/* -*- 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 "annotator_1to1_impl.h"
+#include <gr_io_signature.h>
+#include <string.h>
+#include <iostream>
+#include <iomanip>
+
+namespace gr {
+ namespace blocks {
+
+ annotator_1to1::sptr
+ annotator_1to1::make(int when, size_t sizeof_stream_item)
+ {
+ return gnuradio::get_initial_sptr
+ (new annotator_1to1_impl(when, sizeof_stream_item));
+ }
+
+ annotator_1to1_impl::annotator_1to1_impl(int when, size_t sizeof_stream_item)
+ : gr_sync_block("annotator_1to1",
+ gr_make_io_signature(1, -1, sizeof_stream_item),
+ gr_make_io_signature(1, -1, sizeof_stream_item)),
+ d_itemsize(sizeof_stream_item), d_when((uint64_t)when)
+ {
+ set_tag_propagation_policy(TPP_ONE_TO_ONE);
+
+ d_tag_counter = 0;
+ set_relative_rate(1.0);
+ }
+
+ annotator_1to1_impl::~annotator_1to1_impl()
+ {
+ }
+
+ int
+ annotator_1to1_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];
+
+ std::stringstream str;
+ str << name() << unique_id();
+
+ uint64_t abs_N = 0;
+ int ninputs = input_items.size();
+ for(int i = 0; i < ninputs; i++) {
+ abs_N = nitems_read(i);
+
+ std::vector<gr_tag_t> all_tags;
+ get_tags_in_range(all_tags, i, abs_N, abs_N + noutput_items);
+
+ std::vector<gr_tag_t>::iterator itr;
+ for(itr = all_tags.begin(); itr != all_tags.end(); itr++) {
+ d_stored_tags.push_back(*itr);
+ }
+ }
+
+ // Storing the current noutput_items as the value to the "noutput_items" key
+ pmt::pmt_t srcid = pmt::pmt_string_to_symbol(str.str());
+ pmt::pmt_t key = pmt::pmt_string_to_symbol("seq");
+
+ // Work does nothing to the data stream; just copy all inputs to outputs
+ // Adds a new tag when the number of items read is a multiple of d_when
+ abs_N = nitems_read(0);
+ int noutputs = output_items.size();
+ for(int j = 0; j < noutput_items; j++) {
+ // the min() is a hack to make sure this doesn't segfault if
+ // there are a different number of ins and outs. This is
+ // specifically designed to test the 1-to-1 propagation policy.
+ for(int i = 0; i < std::min(noutputs, ninputs); i++) {
+ if(abs_N % d_when == 0) {
+ pmt::pmt_t value = pmt::pmt_from_uint64(d_tag_counter++);
+ add_item_tag(i, abs_N, key, value, srcid);
+ }
+
+ in = (const float*)input_items[i];
+ out = (float*)output_items[i];
+ out[j] = in[j];
+ }
+ abs_N++;
+ }
+
+ return noutput_items;
+ }
+
+ } /* namespace blocks */
+} /* namespace gr */
--
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