GNU Radio 3.6.5 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2005,2006,2012 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 3, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with GNU Radio; see the file COPYING. If not, write to 00019 * the Free Software Foundation, Inc., 51 Franklin Street, 00020 * Boston, MA 02110-1301, USA. 00021 */ 00022 00023 #ifndef INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_CF_IMPL_H 00024 #define INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_CF_IMPL_H 00025 00026 #include <analog/probe_avg_mag_sqrd_cf.h> 00027 #include <filter/single_pole_iir.h> 00028 00029 namespace gr { 00030 namespace analog { 00031 00032 class probe_avg_mag_sqrd_cf_impl : public probe_avg_mag_sqrd_cf 00033 { 00034 private: 00035 double d_threshold; 00036 bool d_unmuted; 00037 double d_level; 00038 filter::single_pole_iir<double,double,double> d_iir; 00039 00040 public: 00041 probe_avg_mag_sqrd_cf_impl(double threshold_db, double alpha); 00042 ~probe_avg_mag_sqrd_cf_impl(); 00043 00044 bool unmuted() const { return d_unmuted; } 00045 double level() const { return d_level; } 00046 00047 double threshold() const; 00048 00049 void set_alpha(double alpha); 00050 void set_threshold(double decibels); 00051 00052 int work(int noutput_items, 00053 gr_vector_const_void_star &input_items, 00054 gr_vector_void_star &output_items); 00055 }; 00056 00057 } /* namespace analog */ 00058 } /* namespace gr */ 00059 00060 #endif /* INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_CF_IMPL_H */