3 * Copyright 2008 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
24 #ifndef INCLUDED_GPIO_AND_CONST_SS_H
25 #define INCLUDED_GPIO_AND_CONST_SS_H
27 #include <gr_sync_block.h>
29 class gpio_and_const_ss;
30 typedef boost::shared_ptr<gpio_and_const_ss> gpio_and_const_ss_sptr;
32 gpio_and_const_ss_sptr gpio_make_and_const_ss (unsigned short k);
35 * \brief output = input & constant
38 class gpio_and_const_ss : public gr_sync_block
40 friend gpio_and_const_ss_sptr gpio_make_and_const_ss (unsigned short k);
42 unsigned short d_k; // the constant
43 gpio_and_const_ss (unsigned short k);
46 unsigned short k () const { return d_k; }
47 void set_k (unsigned short k) { d_k = k; }
49 int work (int noutput_items,
50 gr_vector_const_void_star &input_items,
51 gr_vector_void_star &output_items);