From b274f583a92b9c1ebbe8bbb2fcdaa3679b7fc1e3 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Tue, 26 Feb 2013 22:12:40 -0500
Subject: blocks: moved pack_k_bits to gr-blocks.
---
gr-blocks/lib/pack_k_bits_bb_impl.cc | 76 ++++++++++++++++++++++++++++++++++++
1 file changed, 76 insertions(+)
create mode 100644 gr-blocks/lib/pack_k_bits_bb_impl.cc
(limited to 'gr-blocks/lib/pack_k_bits_bb_impl.cc')
diff --git a/gr-blocks/lib/pack_k_bits_bb_impl.cc b/gr-blocks/lib/pack_k_bits_bb_impl.cc
new file mode 100644
index 0000000000..2a7fcc04cb
--- /dev/null
+++ b/gr-blocks/lib/pack_k_bits_bb_impl.cc
@@ -0,0 +1,76 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2012-2013 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.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "pack_k_bits_bb_impl.h"
+#include <gr_io_signature.h>
+#include <stdexcept>
+#include <iostream>
+
+namespace gr {
+ namespace blocks {
+
+ pack_k_bits_bb::sptr
+ pack_k_bits_bb::make(unsigned k)
+ {
+ return gnuradio::get_initial_sptr
+ (new pack_k_bits_bb_impl(k));
+ }
+
+ pack_k_bits_bb_impl::pack_k_bits_bb_impl(unsigned k)
+ : gr_sync_decimator("pack_k_bits_bb",
+ gr_make_io_signature(1, 1, sizeof(unsigned char)),
+ gr_make_io_signature(1, 1, sizeof(unsigned char)),
+ k),
+ d_k(k)
+ {
+ if(d_k == 0)
+ throw std::out_of_range("interpolation must be > 0");
+ }
+
+ pack_k_bits_bb_impl::~pack_k_bits_bb_impl()
+ {
+ }
+
+ int
+ pack_k_bits_bb_impl::work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+ {
+ const unsigned char *in = (const unsigned char *)input_items[0];
+ unsigned char *out = (unsigned char *)output_items[0];
+
+ for(int i = 0; i < noutput_items; i++) {
+ out[i] = 0x00;
+ for(unsigned int j = 0; j < d_k; j++) {
+ out[i] |= (0x01 & in[i*d_k+j])<<(d_k-j-1);
+ }
+ }
+
+ return noutput_items;
+ }
+
+ } /* namespace blocks */
+} /* namespace gr */
--
cgit v1.2.3