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delete files from obsolete pilot block

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This commit is contained in:
Bastian Bloessl
2014-01-16 07:28:14 +01:00
parent f1401a29aa
commit 3ca6a2ccfe
3 changed files with 0 additions and 214 deletions
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grc/ieee802_11_ofdm_pilot.xml
-40
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@@ -1,40 +0,0 @@
<?xml version="1.0"?>
<block>
<name>OFDM Pilot</name>
<key>ieee802_11_ofdm_pilot</key>
<category>IEEE802.11</category>
<import>import ieee802_11</import>
<make>ieee802_11.ofdm_pilot($debug)</make>
<param>
<name>Debug</name>
<key>debug</key>
<value>False</value>
<type>bool</type>
<option>
<name>Enable</name>
<key>True</key>
</option>
<option>
<name>Disable</name>
<key>False</key>
</option>
</param>
<sink>
<name>in</name>
<type>complex</type>
<vlen>48</vlen>
<nports>1</nports>
</sink>
<source>
<name>out</name>
<type>complex</type>
<vlen>64</vlen>
<nports>1</nports>
</source>
</block>
include/ieee802-11/ofdm_pilot.h
-38
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@@ -1,38 +0,0 @@
/*
* Copyright (C) 2013 Bastian Bloessl <bloessl@ccs-labs.org>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_IEEE802_11_PILOT_H
#define INCLUDED_IEEE802_11_PILOT_H
#include <ieee802-11/api.h>
#include <gnuradio/sync_block.h>
namespace gr {
namespace ieee802_11 {
class IEEE802_11_API ofdm_pilot : virtual public sync_block
{
public:
typedef boost::shared_ptr<ofdm_pilot> sptr;
static sptr make(bool debug = false);
};
} // namespace ieee802_11
} // namespace gr
#endif /* INCLUDED_IEEE802_11_PILOT_H */
lib/ofdm_pilot.cc
-136
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@@ -1,136 +0,0 @@
/*
* Copyright (C) 2013 Bastian Bloessl <bloessl@ccs-labs.org>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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, see <http://www.gnu.org/licenses/>.
*/
#include <ieee802-11/ofdm_pilot.h>
#include "utils.h"
#include <gnuradio/io_signature.h>
using namespace gr::ieee802_11;
class ofdm_pilot_impl : public ofdm_pilot {
static const int TONES = 48;
static const int FFT_SIZE = 64;
public:
ofdm_pilot_impl(bool debug) :
sync_block ("ofdm_pilot",
gr::io_signature::make(1, 1, TONES * sizeof(gr_complex)),
gr::io_signature::make(1, 1, FFT_SIZE * sizeof(gr_complex))),
d_offset(0),
d_debug(debug) {
}
~ofdm_pilot_impl() {
}
int work (int noutput_items, gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items) {
const gr_complex *in = (const gr_complex*)input_items[0];
gr_complex *out = (gr_complex*)output_items[0];
int i = 0;
int count = 0;
const uint64_t nread = nitems_read(0);
std::vector<gr::tag_t> tags;
while (count < noutput_items) {
get_tags_in_range(tags, 0, nread + count, nread + count + 1, pmt::string_to_symbol("ofdm_start"));
if(tags.size()) {
d_offset = 0;
dout << "OFDM PILOT: start of OFDM frame" << std::endl;
}
// guard band
memset(out, 0, 6 * sizeof(gr_complex));
// subcarriers -26 to -22
memcpy(out + 6, in, 5 * sizeof(gr_complex));
// pilot 1
out[11] = POLARITY[d_offset];
// subcarriers -20 to -8
memcpy(out + 12, in + 5, 13 * sizeof(gr_complex));
// pilot 2
out[25] = POLARITY[d_offset];
// subcarriers -6 to -1
memcpy(out + 26, in + 18, 6 * sizeof(gr_complex));
// DC
out[32] = 0;
// subcarriers 1 to 6
memcpy(out + 33, in + 24, 6 * sizeof(gr_complex));
// pilot 3
out[39] = POLARITY[d_offset];
// pubcarriers 8 to 20
memcpy(out + 40, in + 30, 13 * sizeof(gr_complex));
// pilot 4
out[53] = -POLARITY[d_offset];
// subcarriers 22 to 26
memcpy(out + 54, in + 43, 5 * sizeof(gr_complex));
// guard band
memset(out + 59, 0, 5 * sizeof(gr_complex));
count++;
out += FFT_SIZE;
in += TONES;
d_offset = (d_offset + 1) % 127;
}
dout << "OFDM PILOT: produced items: " << noutput_items << std::endl;
return noutput_items;
}
private:
bool d_debug;
int d_offset;
static const gr_complex POLARITY[127];
};
const gr_complex ofdm_pilot_impl::POLARITY[127] = {
1, 1, 1, 1,-1,-1,-1, 1,-1,-1,-1,-1, 1, 1,-1, 1,
-1,-1, 1, 1,-1, 1, 1,-1, 1, 1, 1, 1, 1, 1,-1, 1,
1, 1,-1, 1, 1,-1,-1, 1, 1, 1,-1, 1,-1,-1,-1, 1,
-1, 1,-1,-1, 1,-1,-1, 1, 1, 1, 1, 1,-1,-1, 1, 1,
-1,-1, 1,-1, 1,-1, 1, 1,-1,-1,-1, 1, 1,-1,-1,-1,
-1, 1,-1,-1, 1,-1, 1, 1, 1, 1,-1, 1,-1, 1,-1, 1,
-1,-1,-1,-1,-1, 1,-1, 1, 1,-1, 1,-1, 1, 1, 1,-1,
-1, 1,-1,-1,-1, 1, 1, 1,-1,-1,-1,-1,-1,-1,-1 };
ofdm_pilot::sptr
ofdm_pilot::make(bool debug) {
return gnuradio::get_initial_sptr(new ofdm_pilot_impl(debug));
}