1 /* -*- c++ -*- */ 2 /* 3 * Copyright 2004,2013 Free Software Foundation, Inc. 4 * 5 * This file is part of GNU Radio 6 * 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) 10 * any later version. 11 * 12 * GNU Radio is distributed in the hope that it will be useful, 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. 16 * 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. 21 */ 22 23 #ifndef INCLUDED_GR_THRESHOLD_FF_IMPL_H 24 #define INCLUDED_GR_THRESHOLD_FF_IMPL_H 25 26 #include <gnuradio/blocks/threshold_ff.h> 27 28 namespace gr { 29 namespace blocks { 30 31 class threshold_ff_impl : public threshold_ff 32 { 33 private: 34 float d_lo, d_hi; // the constant 35 float d_last_state; 36 37 public: 38 threshold_ff_impl(float lo, float hi, float initial_state = 0); 39 ~threshold_ff_impl(); 40 lo()41 float lo() const { return d_lo; } set_lo(float lo)42 void set_lo(float lo) { d_lo = lo; } hi()43 float hi() const { return d_hi; } set_hi(float hi)44 void set_hi(float hi) { d_hi = hi; } last_state()45 float last_state() const { return d_last_state; } set_last_state(float last_state)46 void set_last_state(float last_state) { d_last_state = last_state; } 47 48 int work(int noutput_items, 49 gr_vector_const_void_star& input_items, 50 gr_vector_void_star& output_items); 51 }; 52 53 } /* namespace blocks */ 54 } /* namespace gr */ 55 56 #endif /* INCLUDED_GR_THRESHOLD_FF_IMPL_H */ 57