Bastian Bloessl
75 lines
1.9 KiB
Raku
75 lines
1.9 KiB
Raku
/*
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* Copyright (C) 2013 Bastian Bloessl <bloessl@ccs-labs.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "@NAME_IMPL@.h"
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#include <gnuradio/io_signature.h>
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namespace gr {
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namespace ieee802_11 {
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@NAME_IMPL@::@NAME_IMPL@(int length) :
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sync_block("@NAME@",
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io_signature::make(1, 1, sizeof(@I_TYPE@)),
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io_signature::make(1, 1, sizeof(@O_TYPE@))),
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d_length(length),
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d_new_length(length),
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d_updated(false) {
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set_history(length);
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}
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void
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@NAME_IMPL@::set_length(int length) {
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d_new_length = length;
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d_updated = true;
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}
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int
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@NAME_IMPL@::work(int noutput_items, gr_vector_const_void_star
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&input_items, gr_vector_void_star &output_items) {
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if(d_updated) {
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d_length = d_new_length;
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set_history(d_length);
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d_updated = false;
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return 0; // history requirements might have changed
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}
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const @I_TYPE@ *in = (const @I_TYPE@ *)input_items[0];
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@O_TYPE@ *out = (@O_TYPE@ *)output_items[0];
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@I_TYPE@ sum = 0;
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for(int i = 0; i < d_length-1; i++) {
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sum += in[i];
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}
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for(int i = 0; i < noutput_items; i++) {
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sum += in[i + d_length - 1];
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out[i] = sum;
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sum -= in[i];
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}
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return noutput_items;
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}
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@NAME@::sptr
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@NAME@::make(int length) {
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return gnuradio::get_initial_sptr(new @NAME_IMPL@(length));
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}
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} /* namespace blocks */
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} /* namespace gr */
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