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https://github.com/f4exb/sdrangel.git
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1315 lines
46 KiB
C++
1315 lines
46 KiB
C++
/* RXA.c
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This file is part of a program that implements a Software-Defined Radio.
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Copyright (C) 2013, 2014, 2015, 2016, 2023 Warren Pratt, NR0V
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Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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The author can be reached by email at
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warren@wpratt.com
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*/
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#include "comm.hpp"
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#include "RXA.hpp"
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#include "amd.hpp"
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#include "meter.hpp"
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#include "shift.hpp"
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#include "resample.hpp"
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#include "bandpass.hpp"
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#include "bps.hpp"
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#include "nbp.hpp"
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#include "snba.hpp"
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#include "bpsnba.hpp"
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#include "sender.hpp"
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#include "amsq.hpp"
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#include "fmd.hpp"
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#include "fmsq.hpp"
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#include "eqp.hpp"
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#include "anf.hpp"
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#include "anr.hpp"
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#include "emnr.hpp"
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#include "patchpanel.hpp"
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#include "siphon.hpp"
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#include "cblock.hpp"
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#include "ssql.hpp"
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#include "fircore.hpp"
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#include "wcpAGC.hpp"
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#include "anb.hpp"
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#include "nob.hpp"
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#include "speak.hpp"
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#include "mpeak.hpp"
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#include "fir.hpp"
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namespace WDSP {
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RXA::RXA(
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int _in_rate, // input samplerate
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int _out_rate, // output samplerate
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int _dsp_rate, // sample rate for mainstream dsp processing
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int _dsp_size // number complex samples processed per buffer in mainstream dsp processing
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) : Unit(
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_in_rate,
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_out_rate,
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_dsp_rate,
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_dsp_size
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)
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{
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mode = RXA::RXA_LSB;
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std::fill(meter.begin(), meter.end(), 0);
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// Noise blanker (ANB or "NB")
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anb = new ANB(
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0, // run
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dsp_insize, // input buffer size
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inbuff, // pointer to input buffer
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inbuff, // pointer to output buffer
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in_rate, // samplerate
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0.0001, // tau
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0.0001, // hang time
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0.0001, // advance time
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0.05, // back tau
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30 // thershold
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);
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// Noise blanker (NOB or "NB2")
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nob = new NOB(
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0, // run
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dsp_insize, // input buffer size
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inbuff, // pointer to input buffer
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inbuff, // pointer to output buffer
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in_rate, // samplerate
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0, // mode (zero)
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0.0001, // advance slew time
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0.0001, // advance time
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0.0001, // hang slew time
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0.0001, // hang time
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0.025, // max_imp_seq_time:
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0.05, // back tau
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30
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);
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// Ftequency shifter - shift to select a slice of spectrum
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shift = new SHIFT(
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0, // run
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dsp_insize, // input buffer size
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inbuff, // pointer to input buffer
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inbuff, // pointer to output buffer
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in_rate, // samplerate
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0.0); // amount to shift (Hz)
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// Input resampler - resample to dsp rate for main processing
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rsmpin = new RESAMPLE(
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0, // run - will be turned ON below if needed
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dsp_insize, // input buffer size
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inbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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in_rate, // input samplerate
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dsp_rate, // output samplerate
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0.0, // select cutoff automatically
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0, // select ncoef automatically
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1.0); // gain
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// Input meter - ADC
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adcmeter = new METER(
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0, // run
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nullptr, // optional pointer to another 'run'
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dsp_size, // size
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midbuff, // pointer to buffer
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dsp_rate, // samplerate
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0.100, // averaging time constant
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0.100, // peak decay time constant
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meter.data(), // result vector
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RXA_ADC_AV, // index for average value
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RXA_ADC_PK, // index for peak value
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-1, // index for gain value - disabled
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nullptr); // pointer for gain computation
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// Notched bandpass section
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// notch database
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ndb = new NOTCHDB (
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0, // master run for all nbp's
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1024); // max number of notches
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// notched bandpass
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nbp0 = new NBP (
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1, // run, always runs
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0, // run the notches
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0, // position
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dsp_size, // buffer size
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std::max(2048, dsp_size), // number of coefficients
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0, // minimum phase flag
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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-4150.0, // lower filter frequency
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-150.0, // upper filter frequency
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dsp_rate, // sample rate
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0, // wintype
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1.0, // gain
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1, // auto-increase notch width
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1025, // max number of passbands
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ndb); // addr of database pointer
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// bandpass for snba
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bpsnba = new BPSNBA (
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0, // bpsnba run flag
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0, // run the notches
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0, // position
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dsp_size, // size
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std::max(2048, dsp_size), // number of filter coefficients
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0, // minimum phase flag
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midbuff, // input buffer
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midbuff, // output buffer
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dsp_rate, // samplerate
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+ 250.0, // abs value of cutoff nearest zero
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+ 5700.0, // abs value of cutoff farthest zero
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- 5700.0, // current low frequency
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- 250.0, // current high frequency
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0, // wintype
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1.0, // gain
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1, // auto-increase notch width
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1025, // max number of passbands
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ndb); // addr of database pointer
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// Post filter display send - send spectrum display (after S-meter in the block diagram)
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sender = new SENDER (
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0, // run
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0, // flag
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0, // mode
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dsp_size, // size
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midbuff // pointer to input buffer
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);
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// End notched bandpass section
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// S-meter
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smeter = new METER(
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1, // run
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nullptr, // optional pointer to another 'run'
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dsp_size, // size
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midbuff, // pointer to buffer
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dsp_rate, // samplerate
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0.100, // averaging time constant
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0.100, // peak decay time constant
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meter.data(), // result vector
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RXA_S_AV, // index for average value
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RXA_S_PK, // index for peak value
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-1, // index for gain value - disabled
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nullptr); // pointer for gain computation
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// AM squelch capture (for other modes than FM)
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amsq = new AMSQ(
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0, // run
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dsp_size, // buffer size
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midbuff, // pointer to signal input buffer used by xamsq
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midbuff, // pointer to signal output buffer used by xamsq
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midbuff, // pointer to trigger buffer that xamsqcap will capture
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dsp_rate, // sample rate
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0.010, // time constant for averaging signal level
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0.070, // signal up transition time
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0.070, // signal down transition time
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0.009, // signal level to initiate tail
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0.010, // signal level to initiate unmute
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0.000, // minimum tail length
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1.500, // maximum tail length
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0.0); // muted gain
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// AM/SAM demodulator
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amd = new AMD(
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0, // run - OFF by default
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dsp_size, // buffer size
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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0, // mode: 0->AM, 1->SAM
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1, // levelfade: 0->OFF, 1->ON
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0, // sideband mode: 0->OFF
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dsp_rate, // sample rate
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-2000.0, // minimum lock frequency
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+2000.0, // maximum lock frequency
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1.0, // zeta
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250.0, // omegaN
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0.02, // tauR
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1.4); // tauI
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// FM demodulator
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fmd = new FMD(
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0, // run
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dsp_size, // buffer size
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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dsp_rate, // sample rate
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5000.0, // deviation
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300.0, // f_low
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3000.0, // f_high
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-8000.0, // fmin
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+8000.0, // fmax
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1.0, // zeta
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20000.0, // omegaN
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0.02, // tau - for dc removal
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0.5, // audio gain
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1, // run tone filter
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254.1, // ctcss frequency
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std::max(2048, dsp_size), // # coefs for de-emphasis filter
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0, // min phase flag for de-emphasis filter
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std::max(2048, dsp_size), // # coefs for audio cutoff filter
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0); // min phase flag for audio cutoff filter
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// FM squelch apply
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fmsq = new FMSQ(
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0, // run
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dsp_size, // buffer size
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midbuff, // pointer to input signal buffer
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midbuff, // pointer to output signal buffer
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fmd->audio.data(), // pointer to trigger buffer
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dsp_rate, // sample rate
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5000.0, // cutoff freq for noise filter (Hz)
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&fmd->pllpole, // pointer to pole frequency of the fmd pll (Hz)
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0.100, // delay time after channel flush
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0.001, // tau for noise averaging
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0.100, // tau for long noise averaging
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0.050, // signal up transition time
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0.010, // signal down transition time
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0.750, // noise level to initiate tail
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0.562, // noise level to initiate unmute
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0.000, // minimum tail time
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0.100, // maximum tail time
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std::max(2048, dsp_size), // number of coefficients for noise filter
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0); // minimum phase flag
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// Spectral noise blanker (SNB)
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snba = new SNBA(
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0, // run
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midbuff, // input buffer
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midbuff, // output buffer
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dsp_rate, // input / output sample rate
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12000, // internal processing sample rate
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dsp_size, // buffer size
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4, // overlap factor to use
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256, // frame size to use; sized for 12K rate
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64, // asize
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2, // npasses
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8.0, // k1
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20.0, // k2
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10, // b
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2, // pre
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2, // post
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0.5, // pmultmin
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200.0, // output resampler low cutoff
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5400.0); // output resampler high cutoff
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// Equalizer
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{
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std::array<float, 11> default_F = {0.0, 32.0, 63.0, 125.0, 250.0, 500.0, 1000.0, 2000.0, 4000.0, 8000.0, 16000.0};
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std::array<float, 11> default_G = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
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eqp = new EQP(
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0, // run - OFF by default
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dsp_size, // buffer size
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std::max(2048, dsp_size), // number of filter coefficients
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0, // minimum phase flag
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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10, // number of frequencies
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default_F.data(), // frequency vector
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default_G.data(), // gain vector
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0, // cutoff mode
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0, // wintype
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dsp_rate); // sample rate
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}
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// Auto notch filter
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anf = new ANF(
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0, // run - OFF by default
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0, // position
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dsp_size, // buffer size
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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ANF::ANF_DLINE_SIZE, // dline_size
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64, // taps
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16, // delay
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0.0001, // two_mu
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0.1, // gamma
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1.0, // lidx
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0.0, // lidx_min
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200.0, // lidx_max
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6.25e-12, // ngamma
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6.25e-10, // den_mult
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1.0, // lincr
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3.0); // ldecr
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// LMS noise reduction (ANR or "NR")
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anr = new ANR(
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0, // run - OFF by default
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0, // position
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dsp_size, // buffer size
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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ANR::ANR_DLINE_SIZE, // dline_size
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64, // taps
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16, // delay
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0.0001, // two_mu
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0.1, // gamma
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120.0, // lidx
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120.0, // lidx_min
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200.0, // lidx_max
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0.001, // ngamma
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6.25e-10, // den_mult
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1.0, // lincr
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3.0); // ldecr
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// Spectral noise reduyction (EMNR or "NR2")
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emnr = new EMNR(
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0, // run
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0, // position
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dsp_size, // buffer size
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midbuff, // input buffer
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midbuff, // output buffer
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4096, // FFT size
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4, // overlap
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dsp_rate, // samplerate
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0, // window type
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1.0, // gain
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2, // gain method
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0, // npe_method
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1); // ae_run
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// AGC
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agc = new WCPAGC(
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1, // run
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3, // mode
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1, // peakmode = envelope
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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dsp_size, // buffer size
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dsp_rate, // sample rate
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0.001, // tau_attack
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0.250, // tau_decay
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4, // n_tau
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10000.0, // max_gain
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1.5, // var_gain
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1000.0, // fixed_gain
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1.0, // max_input
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1.0, // out_target
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0.250, // tau_fast_backaverage
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0.005, // tau_fast_decay
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5.0, // pop_ratio
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1, // hang_enable
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0.500, // tau_hang_backmult
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0.250, // hangtime
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0.250, // hang_thresh
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0.100); // tau_hang_decay
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// AGC meter
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agcmeter = new METER(
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0, // run
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nullptr, // optional pointer to another 'run'
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dsp_size, // size
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midbuff, // pointer to buffer
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dsp_rate, // samplerate
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0.100, // averaging time constant
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0.100, // peak decay time constant
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meter.data(), // result vector
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RXA_AGC_AV, // index for average value
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RXA_AGC_PK, // index for peak value
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RXA_AGC_GAIN, // index for gain value
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&agc->gain); // pointer for gain computation
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// Bandpass filter - After spectral noise reduction in the block diagram
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bp1 = new BANDPASS (
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1, // run - used only with ( AM || ANF || ANR || EMNR)
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0, // position
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dsp_size, // buffer size
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std::max(2048, dsp_size), // number of coefficients
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0, // flag for minimum phase
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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-4150.0, // lower filter frequency
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-150.0, // upper filter frequency
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dsp_rate, // sample rate
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1, // wintype
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1.0); // gain
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// Scope/phase display send - pull phase & scope display data
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sip1 = new SIPHON(
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0, // run - needed only for phase display
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0, // position
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0, // mode
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0, // disp
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dsp_size, // size of input buffer
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midbuff, // input buffer
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4096, // number of samples to store
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4096, // fft size for spectrum
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0); // specmode
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// AM carrier block
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cbl = new CBL(
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0, // run - needed only if set to ON
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dsp_size, // buffer size
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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0, // mode
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dsp_rate, // sample rate
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0.02); // tau
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// CW peaking filter
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speak = new SPEAK(
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0, // run
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dsp_size, // buffer size,
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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dsp_rate, // sample rate
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600.0, // center frequency
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100.0, // bandwidth
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2.0, // gain
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4, // number of stages
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1); // design
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// Dolly filter (multiple peak filter) - default is 2 for RTTY
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{
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std::array<int, 2> def_enable = { 1, 1};
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std::array<double, 2> def_freq = {2125.0, 2295.0};
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std::array<double, 2> def_bw = { 75.0, 75.0};
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std::array<double, 2> def_gain = { 1.0, 1.0};
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mpeak = new MPEAK(
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0, // run
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dsp_size, // size
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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dsp_rate, // sample rate
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2, // number of peaking filters
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def_enable.data(), // enable vector
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def_freq.data(), // frequency vector
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def_bw.data(), // bandwidth vector
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def_gain.data(), // gain vector
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4 ); // number of stages
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}
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// Syllabic squelch (Voice suelch) - Not in the block diagram
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ssql = new SSQL(
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0, // run
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dsp_size, // size
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midbuff, // pointer to input buffer
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midbuff, // pointer to output buffer
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dsp_rate, // sample rate
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0.070, // signal up transition time
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0.070, // signal down transition time
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0.0, // muted gain
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0.1, // mute time-constant
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0.1, // unmute time-constant
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0.08, // window threshold
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0.8197, // trigger threshold
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2400, // ring size for f_to_v converter
|
|
2000.0); // max freq for f_to_v converter
|
|
|
|
// PatchPanel
|
|
panel = new PANEL(
|
|
1, // run
|
|
dsp_size, // size
|
|
midbuff, // pointer to input buffer
|
|
midbuff, // pointer to output buffer
|
|
4.0, // gain1
|
|
1.0, // gain2I
|
|
1.0, // gain2Q
|
|
3, // 3 for I and Q
|
|
0); // no copy
|
|
|
|
// AM squelch apply - absent but in the block diagram
|
|
|
|
// Output resampler
|
|
rsmpout = new RESAMPLE(
|
|
0, // run - will be turned ON below if needed
|
|
dsp_size, // input buffer size
|
|
midbuff, // pointer to input buffer
|
|
outbuff, // pointer to output buffer
|
|
dsp_rate, // input sample rate
|
|
out_rate, // output sample rate
|
|
0.0, // select cutoff automatically
|
|
0, // select ncoef automatically
|
|
1.0); // gain
|
|
|
|
// turn OFF / ON resamplers as needed
|
|
resCheck();
|
|
}
|
|
|
|
RXA::~RXA()
|
|
{
|
|
delete rsmpout;
|
|
delete panel;
|
|
delete ssql;
|
|
delete mpeak;
|
|
delete speak;
|
|
delete cbl;
|
|
delete sip1;
|
|
delete bp1;
|
|
delete agcmeter;
|
|
delete agc;
|
|
delete emnr;
|
|
delete anr;
|
|
delete anf;
|
|
delete eqp;
|
|
delete snba;
|
|
delete fmsq;
|
|
delete fmd;
|
|
delete amd;
|
|
delete amsq;
|
|
delete smeter;
|
|
delete sender;
|
|
delete bpsnba;
|
|
delete nbp0;
|
|
delete ndb;
|
|
delete adcmeter;
|
|
delete rsmpin;
|
|
delete shift;
|
|
delete nob;
|
|
delete anb;
|
|
}
|
|
|
|
void RXA::flush()
|
|
{
|
|
Unit::flushBuffers();
|
|
anb->flush();
|
|
nob->flush();
|
|
shift->flush();
|
|
rsmpin->flush();
|
|
adcmeter->flush();
|
|
nbp0->flush();
|
|
bpsnba->flush();
|
|
sender->flush();
|
|
smeter->flush();
|
|
amsq->flush();
|
|
amd->flush();
|
|
fmd->flush();
|
|
fmsq->flush();
|
|
snba->flush();
|
|
eqp->flush();
|
|
anf->flush();
|
|
anr->flush();
|
|
emnr->flush();
|
|
agc->flush();
|
|
agcmeter->flush();
|
|
bp1->flush();
|
|
sip1->flush();
|
|
cbl->flush();
|
|
speak->flush();
|
|
mpeak->flush();
|
|
ssql->flush();
|
|
panel->flush();
|
|
rsmpout->flush();
|
|
}
|
|
|
|
void RXA::execute()
|
|
{
|
|
anb->execute();
|
|
nob->execute();
|
|
shift->execute();
|
|
rsmpin->execute();
|
|
adcmeter->execute();
|
|
bpsnba->exec_in(0);
|
|
nbp0->execute(0);
|
|
smeter->execute();
|
|
sender->execute();
|
|
amsq->xcap();
|
|
bpsnba->exec_out(0);
|
|
amd->execute();
|
|
fmd->execute();
|
|
fmsq->execute();
|
|
bpsnba->exec_in(1);
|
|
bpsnba->exec_out(1);
|
|
snba->execute();
|
|
eqp->execute();
|
|
anf->execute(0);
|
|
anr->ANR::execute(0);
|
|
emnr->execute(0);
|
|
bp1->BANDPASS::execute(0);
|
|
agc->execute();
|
|
anf->execute(1);
|
|
anr->execute(1);
|
|
emnr->execute(1);
|
|
bp1->execute(1);
|
|
agcmeter->execute();
|
|
sip1->execute(0);
|
|
cbl->execute();
|
|
speak->execute();
|
|
mpeak->execute();
|
|
ssql->execute();
|
|
panel->execute();
|
|
amsq->execute();
|
|
rsmpout->execute();
|
|
}
|
|
|
|
void RXA::setInputSamplerate(int _in_rate)
|
|
{
|
|
Unit::setBuffersInputSamplerate(_in_rate);
|
|
// anb
|
|
anb->setBuffers(inbuff, inbuff);
|
|
anb->setSize(dsp_insize);
|
|
anb->setSamplerate(in_rate);
|
|
// nob
|
|
nob->setBuffers(inbuff, inbuff);
|
|
nob->setSize(dsp_insize);
|
|
nob->setSamplerate(in_rate);
|
|
// shift
|
|
shift->setBuffers(inbuff, inbuff);
|
|
shift->setSize(dsp_insize);
|
|
shift->setSamplerate(in_rate);
|
|
// input resampler
|
|
rsmpin->setBuffers(inbuff, midbuff);
|
|
rsmpin->setSize(dsp_insize);
|
|
rsmpin->setInRate(in_rate);
|
|
resCheck();
|
|
}
|
|
|
|
void RXA::setOutputSamplerate(int _out_rate)
|
|
{
|
|
Unit::setBuffersOutputSamplerate(_out_rate);
|
|
// output resampler
|
|
rsmpout->setBuffers(midbuff, outbuff);
|
|
rsmpout->setOutRate(out_rate);
|
|
resCheck();
|
|
}
|
|
|
|
void RXA::setDSPSamplerate(int _dsp_rate)
|
|
{
|
|
Unit::setBuffersDSPSamplerate(_dsp_rate);
|
|
// anb
|
|
anb->setBuffers(inbuff, inbuff);
|
|
anb->setSize(dsp_insize);
|
|
// nob
|
|
nob->setBuffers(inbuff, inbuff);
|
|
nob->setSize(dsp_insize);
|
|
// shift
|
|
shift->setBuffers(inbuff, inbuff);
|
|
shift->setSize(dsp_insize);
|
|
// input resampler
|
|
rsmpin->setBuffers(inbuff, midbuff);
|
|
rsmpin->setSize(dsp_insize);
|
|
rsmpin->setOutRate(dsp_rate);
|
|
// dsp_rate blocks
|
|
adcmeter->setSamplerate(dsp_rate);
|
|
nbp0->setSamplerate(dsp_rate);
|
|
bpsnba->setSamplerate(dsp_rate);
|
|
smeter->setSamplerate(dsp_rate);
|
|
sender->setSamplerate(dsp_rate);
|
|
amsq->setSamplerate(dsp_rate);
|
|
amd->setSamplerate(dsp_rate);
|
|
fmd->setSamplerate(dsp_rate);
|
|
fmsq->setBuffers(midbuff, midbuff, fmd->audio.data());
|
|
fmsq->setSamplerate(dsp_rate);
|
|
// snba->setSamplerate(dsp_rate); SMBA removed
|
|
eqp->setSamplerate(dsp_rate);
|
|
anf->setSamplerate(dsp_rate);
|
|
anr->setSamplerate(dsp_rate);
|
|
emnr->setSamplerate(dsp_rate);
|
|
bp1->setSamplerate(dsp_rate);
|
|
agc->setSamplerate(dsp_rate);
|
|
agcmeter->setSamplerate(dsp_rate);
|
|
sip1->setSamplerate(dsp_rate);
|
|
cbl->setSamplerate(dsp_rate);
|
|
speak->setSamplerate(dsp_rate);
|
|
mpeak->setSamplerate(dsp_rate);
|
|
ssql->setSamplerate(dsp_rate);
|
|
panel->setSamplerate(dsp_rate);
|
|
// output resampler
|
|
rsmpout->setBuffers(midbuff, outbuff);
|
|
rsmpout->setInRate(dsp_rate);
|
|
resCheck();
|
|
}
|
|
|
|
void RXA::setDSPBuffsize(int _dsp_size)
|
|
{
|
|
Unit::setBuffersDSPBuffsize(_dsp_size);
|
|
// anb
|
|
anb->setBuffers(inbuff, inbuff);
|
|
anb->setSize(dsp_insize);
|
|
// nob
|
|
nob->setBuffers(inbuff, inbuff);
|
|
nob->setSize(dsp_insize);
|
|
// shift
|
|
shift->setBuffers(inbuff, inbuff);
|
|
shift->setSize(dsp_insize);
|
|
// input resampler
|
|
rsmpin->setBuffers(inbuff, midbuff);
|
|
rsmpin->setSize(dsp_insize);
|
|
// dsp_size blocks
|
|
adcmeter->setBuffers(midbuff);
|
|
adcmeter->setSize(dsp_size);
|
|
nbp0->setBuffers(midbuff, midbuff);
|
|
nbp0->setSize(dsp_size);
|
|
bpsnba->setBuffers(midbuff, midbuff);
|
|
bpsnba->setSize(dsp_size);
|
|
smeter->setBuffers(midbuff);
|
|
smeter->setSize(dsp_size);
|
|
sender->setBuffers(midbuff);
|
|
sender->setSize(dsp_size);
|
|
amsq->setBuffers(midbuff, midbuff, midbuff);
|
|
amsq->setSize(dsp_size);
|
|
amd->setBuffers(midbuff, midbuff);
|
|
amd->setSize(dsp_size);
|
|
fmd->setBuffers(midbuff, midbuff);
|
|
fmd->setSize(dsp_size);
|
|
fmsq->setBuffers(midbuff, midbuff, fmd->audio.data());
|
|
fmsq->setSize(dsp_size);
|
|
snba->setBuffers(midbuff, midbuff);
|
|
snba->setSize(dsp_size);
|
|
eqp->setBuffers(midbuff, midbuff);
|
|
eqp->setSize(dsp_size);
|
|
anf->setBuffers(midbuff, midbuff);
|
|
anf->setSize(dsp_size);
|
|
anr->setBuffers(midbuff, midbuff);
|
|
anr->setSize(dsp_size);
|
|
emnr->setBuffers(midbuff, midbuff);
|
|
emnr->setSize(dsp_size);
|
|
bp1->setBuffers(midbuff, midbuff);
|
|
bp1->setSize(dsp_size);
|
|
agc->setBuffers(midbuff, midbuff);
|
|
agc->setSize(dsp_size);
|
|
agcmeter->setBuffers(midbuff);
|
|
agcmeter->setSize(dsp_size);
|
|
sip1->setBuffers(midbuff);
|
|
sip1->setSize(dsp_size);
|
|
cbl->setBuffers(midbuff, midbuff);
|
|
cbl->setSize(dsp_size);
|
|
speak->setBuffers(midbuff, midbuff);
|
|
speak->setSize(dsp_size);
|
|
mpeak->setBuffers(midbuff, midbuff);
|
|
mpeak->setSize(dsp_size);
|
|
ssql->setBuffers(midbuff, midbuff);
|
|
ssql->setSize(dsp_size);
|
|
panel->setBuffers(midbuff, midbuff);
|
|
panel->setSize(dsp_size);
|
|
// output resampler
|
|
rsmpout->setBuffers(midbuff, outbuff);
|
|
rsmpout->setSize(dsp_size);
|
|
}
|
|
|
|
void RXA::setSpectrumProbe(BufferProbe *spectrumProbe)
|
|
{
|
|
sender->SetSpectrum(1, spectrumProbe);
|
|
sender->run = 1;
|
|
}
|
|
|
|
/********************************************************************************************************
|
|
* *
|
|
* RXA Mode & Filter Controls *
|
|
* *
|
|
********************************************************************************************************/
|
|
|
|
void RXA::setMode(int _mode)
|
|
{
|
|
if (mode != _mode)
|
|
{
|
|
int amd_run = (_mode == RXA_AM) || (_mode == RXA_SAM);
|
|
bpsnbaCheck (_mode, ndb->master_run);
|
|
bp1Check (
|
|
amd_run,
|
|
snba->run,
|
|
emnr->run,
|
|
anf->run,
|
|
anr->run
|
|
);
|
|
mode = _mode;
|
|
amd->run = 0;
|
|
fmd->run = 0;
|
|
|
|
switch (_mode)
|
|
{
|
|
case RXA_AM:
|
|
amd->run = 1;
|
|
amd->mode = 0;
|
|
break;
|
|
case RXA_SAM:
|
|
amd->run = 1;
|
|
amd->mode = 1;
|
|
break;
|
|
case RXA_DSB:
|
|
break;
|
|
case RXA_FM:
|
|
fmd->run = 1;
|
|
break;
|
|
default:
|
|
|
|
break;
|
|
}
|
|
|
|
bp1Set();
|
|
bpsnbaSet(); // update variables
|
|
}
|
|
}
|
|
|
|
void RXA::resCheck()
|
|
{
|
|
// turn OFF/ON resamplers depending upon whether they're needed
|
|
RESAMPLE *a = rsmpin;
|
|
if (in_rate != dsp_rate)
|
|
a->run = 1;
|
|
else
|
|
a->run = 0;
|
|
a = rsmpout;
|
|
if (dsp_rate != out_rate)
|
|
a->run = 1;
|
|
else
|
|
a->run = 0;
|
|
}
|
|
|
|
void RXA::bp1Check (
|
|
int amd_run,
|
|
int snba_run,
|
|
int emnr_run,
|
|
int anf_run,
|
|
int anr_run
|
|
)
|
|
{
|
|
BANDPASS *a = bp1;
|
|
float gain;
|
|
if (amd_run ||
|
|
snba_run ||
|
|
emnr_run ||
|
|
anf_run ||
|
|
anr_run
|
|
)
|
|
gain = 2.0;
|
|
else
|
|
gain = 1.0;
|
|
if (a->gain != gain)
|
|
a->setGain(gain, 0);
|
|
}
|
|
|
|
void RXA::bp1Set ()
|
|
{
|
|
BANDPASS *a = bp1;
|
|
int old = a->run;
|
|
if ((amd->run == 1) ||
|
|
(snba->run == 1) ||
|
|
(emnr->run == 1) ||
|
|
(anf->run == 1) ||
|
|
(anr->run == 1)
|
|
)
|
|
a->run = 1;
|
|
else
|
|
a->run = 0;
|
|
if (!old && a->run)
|
|
a->flush();
|
|
a->fircore->setUpdate();
|
|
}
|
|
|
|
void RXA::bpsnbaCheck(int _mode, int _notch_run)
|
|
{
|
|
// for BPSNBA: set run, position, freqs, run_notches
|
|
// call this upon change in RXA_mode, snba_run, notch_master_run
|
|
BPSNBA *a = bpsnba;
|
|
double f_low = 0.0;
|
|
double f_high = 0.0;
|
|
int run_notches = 0;
|
|
switch (_mode)
|
|
{
|
|
case RXA_LSB:
|
|
case RXA_CWL:
|
|
case RXA_DIGL:
|
|
f_low = -a->abs_high_freq;
|
|
f_high = -a->abs_low_freq;
|
|
run_notches = _notch_run;
|
|
break;
|
|
case RXA_USB:
|
|
case RXA_CWU:
|
|
case RXA_DIGU:
|
|
f_low = +a->abs_low_freq;
|
|
f_high = +a->abs_high_freq;
|
|
run_notches = _notch_run;
|
|
break;
|
|
case RXA_AM:
|
|
case RXA_SAM:
|
|
case RXA_DSB:
|
|
case RXA_FM:
|
|
f_low = +a->abs_low_freq;
|
|
f_high = +a->abs_high_freq;
|
|
run_notches = 0;
|
|
break;
|
|
case RXA_DRM:
|
|
case RXA_SPEC:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
// 'run' and 'position' are examined at run time; no filter changes required.
|
|
// Recalculate filter if frequencies OR 'run_notches' changed.
|
|
if ((a->f_low != f_low ) ||
|
|
(a->f_high != f_high ) ||
|
|
(a->run_notches != run_notches))
|
|
{
|
|
a->f_low = f_low;
|
|
a->f_high = f_high;
|
|
a->run_notches = run_notches;
|
|
// f_low, f_high, run_notches are needed for the filter recalculation
|
|
bpsnba->recalc_bpsnba_filter(0);
|
|
}
|
|
}
|
|
|
|
void RXA::bpsnbaSet()
|
|
{
|
|
// for BPSNBA: set run, position, freqs, run_notches
|
|
// call this upon change in RXA_mode, snba_run, notch_master_run
|
|
BPSNBA *a = bpsnba;
|
|
switch (mode)
|
|
{
|
|
case RXA_LSB:
|
|
case RXA_CWL:
|
|
case RXA_DIGL:
|
|
case RXA_USB:
|
|
case RXA_CWU:
|
|
case RXA_DIGU:
|
|
a->run = snba->run;
|
|
a->position = 0;
|
|
break;
|
|
case RXA_DSB:
|
|
case RXA_AM:
|
|
case RXA_FM:
|
|
a->run = snba->run;
|
|
a->position = 1;
|
|
break;
|
|
case RXA_SAM:
|
|
case RXA_DRM:
|
|
case RXA_SPEC:
|
|
a->run = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
a->bpsnba->fircore->setUpdate();
|
|
}
|
|
|
|
void RXA::updateNBPFiltersLightWeight()
|
|
{ // called when setting tune freq or shift freq
|
|
nbp0->calc_lightweight();
|
|
bpsnba->bpsnba->calc_lightweight();
|
|
}
|
|
|
|
void RXA::updateNBPFilters()
|
|
{
|
|
NBP *a = nbp0;
|
|
BPSNBA *b = bpsnba;
|
|
if (a->fnfrun)
|
|
{
|
|
a->calc_impulse();
|
|
a->fircore->setImpulse(a->impulse, 1);
|
|
}
|
|
if (b->bpsnba->fnfrun)
|
|
{
|
|
b->recalc_bpsnba_filter(1);
|
|
}
|
|
}
|
|
|
|
int RXA::nbpAddNotch(int _notch, double _fcenter, double _fwidth, int _active)
|
|
{
|
|
NOTCHDB *b = ndb;
|
|
int rval = b->addNotch(_notch, _fcenter, _fwidth, _active);
|
|
|
|
if (rval == 0) {
|
|
updateNBPFilters();
|
|
}
|
|
|
|
return rval;
|
|
}
|
|
|
|
int RXA::nbpGetNotch(int _notch, double* _fcenter, double* _fwidth, int* _active) const
|
|
{
|
|
NOTCHDB *a = ndb;
|
|
int rval = a->getNotch(_notch, _fcenter, _fwidth, _active);
|
|
return rval;
|
|
}
|
|
|
|
int RXA::nbpDeleteNotch(int _notch)
|
|
{
|
|
NOTCHDB *a = ndb;
|
|
int rval = a->deleteNotch(_notch);
|
|
|
|
if (rval == 0) {
|
|
updateNBPFilters();
|
|
}
|
|
|
|
return rval;
|
|
}
|
|
|
|
int RXA::nbpEditNotch(int _notch, double _fcenter, double _fwidth, int _active)
|
|
{
|
|
NOTCHDB *a = ndb;
|
|
int rval = a->editNotch(_notch, _fcenter, _fwidth, _active);
|
|
|
|
if (rval == 0) {
|
|
updateNBPFilters();
|
|
}
|
|
|
|
return rval;
|
|
}
|
|
|
|
void RXA::nbpGetNumNotches(int* _nnotches) const
|
|
{
|
|
const NOTCHDB *a = ndb;
|
|
a->getNumNotches(_nnotches);
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|
}
|
|
|
|
void RXA::nbpSetTuneFrequency(double _tunefreq)
|
|
{
|
|
NOTCHDB *a;
|
|
a = ndb;
|
|
|
|
if (_tunefreq != a->tunefreq)
|
|
{
|
|
a->tunefreq = _tunefreq;
|
|
updateNBPFiltersLightWeight();
|
|
}
|
|
}
|
|
|
|
void RXA::nbpSetShiftFrequency(double _shift)
|
|
{
|
|
NOTCHDB *a;
|
|
a = ndb;
|
|
if (_shift != a->shift)
|
|
{
|
|
a->shift = _shift;
|
|
updateNBPFiltersLightWeight();
|
|
}
|
|
}
|
|
|
|
void RXA::nbpSetNotchesRun(int _run)
|
|
{
|
|
NOTCHDB *a = ndb;
|
|
NBP *b = nbp0;
|
|
|
|
if ( _run != a->master_run)
|
|
{
|
|
a->master_run = _run; // update variables
|
|
b->fnfrun = a->master_run;
|
|
bpsnbaCheck(mode, _run);
|
|
b->calc_impulse(); // recalc nbp impulse response
|
|
b->fircore->setImpulse(b->impulse, 0); // calculate new filter masks
|
|
bpsnbaSet();
|
|
b->fircore->setUpdate(); // apply new filter masks
|
|
}
|
|
}
|
|
|
|
void RXA::nbpSetWindow(int _wintype)
|
|
{
|
|
NBP *a;
|
|
BPSNBA *b;
|
|
a = nbp0;
|
|
b = bpsnba;
|
|
|
|
if (a->wintype != _wintype)
|
|
{
|
|
a->wintype = _wintype;
|
|
a->calc_impulse();
|
|
a->fircore->setImpulse(a->impulse, 1);
|
|
}
|
|
|
|
if (b->wintype != _wintype)
|
|
{
|
|
b->wintype = _wintype;
|
|
b->recalc_bpsnba_filter(1);
|
|
}
|
|
}
|
|
|
|
void RXA::nbpSetAutoIncrease(int _autoincr)
|
|
{
|
|
NBP *a;
|
|
BPSNBA *b;
|
|
a = nbp0;
|
|
b = bpsnba;
|
|
|
|
if (a->autoincr != _autoincr)
|
|
{
|
|
a->autoincr = _autoincr;
|
|
a->calc_impulse();
|
|
a->fircore->setImpulse(a->impulse, 1);
|
|
}
|
|
|
|
if (b->autoincr != _autoincr)
|
|
{
|
|
b->autoincr = _autoincr;
|
|
b->recalc_bpsnba_filter(1);
|
|
}
|
|
}
|
|
|
|
void RXA::setAMDRun(int _run)
|
|
{
|
|
if (amd->run != _run)
|
|
{
|
|
bp1Check (
|
|
_run,
|
|
snba->run,
|
|
emnr->run,
|
|
anf->run,
|
|
anr->run
|
|
);
|
|
|
|
amd->run = _run;
|
|
bp1Set();
|
|
}
|
|
}
|
|
|
|
void RXA::setSNBARun(int _run)
|
|
{
|
|
SNBA *a = snba;
|
|
|
|
if (a->run != _run)
|
|
{
|
|
bpsnbaCheck(mode, ndb->master_run);
|
|
bp1Check(
|
|
amd->run,
|
|
_run,
|
|
emnr->run,
|
|
anf->run,
|
|
anr->run
|
|
);
|
|
a->run = _run;
|
|
bp1Set();
|
|
bpsnbaSet();
|
|
}
|
|
}
|
|
|
|
void RXA::setANFRun(int _run)
|
|
{
|
|
ANF *a = anf;
|
|
|
|
if (a->run != _run)
|
|
{
|
|
bp1Check (
|
|
amd->run,
|
|
snba->run,
|
|
emnr->run,
|
|
_run,
|
|
anr->run
|
|
);
|
|
a->run = _run;
|
|
bp1Set();
|
|
a->flush();
|
|
}
|
|
}
|
|
|
|
void RXA::setANFPosition(int _position)
|
|
{
|
|
anf->position = _position;
|
|
bp1->position = _position;
|
|
anf->flush();
|
|
}
|
|
|
|
void RXA::setANRRun(int _run)
|
|
{
|
|
ANR *a = anr;
|
|
|
|
if (a->run != _run)
|
|
{
|
|
bp1Check (
|
|
amd->run,
|
|
snba->run,
|
|
emnr->run,
|
|
anf->run,
|
|
_run
|
|
);
|
|
a->run = _run;
|
|
bp1Set();
|
|
a->flush();
|
|
}
|
|
}
|
|
|
|
void RXA::setANRPosition(int _position)
|
|
{
|
|
anr->position = _position;
|
|
bp1->position = _position;
|
|
anr->flush();
|
|
}
|
|
|
|
void RXA::setEMNRRun(int _run)
|
|
{
|
|
EMNR *a = emnr;
|
|
|
|
if (a->run != _run)
|
|
{
|
|
bp1Check (
|
|
amd->run,
|
|
snba->run,
|
|
_run,
|
|
anf->run,
|
|
anr->run
|
|
);
|
|
a->run = _run;
|
|
bp1Set();
|
|
}
|
|
}
|
|
|
|
void RXA::setEMNRPosition(int _position)
|
|
{
|
|
emnr->position = _position;
|
|
bp1->position = _position;
|
|
}
|
|
|
|
void RXA::getAGCThresh(double *_thresh, double _size, double _rate) const
|
|
//for line on bandscope.
|
|
{
|
|
double noise_offset;
|
|
noise_offset = 10.0 * log10((nbp0->fhigh - nbp0->flow) * _size / _rate);
|
|
*_thresh = 20.0 * log10( agc->min_volts ) - noise_offset;
|
|
}
|
|
|
|
void RXA::setAGCThresh(double _thresh, double _size, double _rate)
|
|
//for line on bandscope
|
|
{
|
|
double noise_offset;
|
|
noise_offset = 10.0 * log10((nbp0->fhigh - nbp0->flow) * _size / _rate);
|
|
agc->max_gain = agc->out_target / (agc->var_gain * pow (10.0, (_thresh + noise_offset) / 20.0));
|
|
agc->loadWcpAGC();
|
|
}
|
|
|
|
/********************************************************************************************************
|
|
* *
|
|
* Collectives *
|
|
* *
|
|
********************************************************************************************************/
|
|
|
|
void RXA::setPassband(float _f_low, float _f_high)
|
|
{
|
|
bp1->setBandpassFreqs (_f_low, _f_high); // After spectral noise reduction ( AM || ANF || ANR || EMNR)
|
|
snba->setOutputBandwidth (_f_low, _f_high); // Spectral noise blanker (SNB)
|
|
nbp0->SetFreqs (_f_low, _f_high); // Notched bandpass
|
|
}
|
|
|
|
void RXA::setNC(int _nc)
|
|
{
|
|
int oldstate = state;
|
|
nbp0->SetNC (_nc);
|
|
bpsnba->SetNC (_nc);
|
|
bp1->SetBandpassNC (_nc);
|
|
eqp->setNC (_nc);
|
|
fmsq->setNC (_nc);
|
|
fmd->setNCde (_nc);
|
|
fmd->setNCaud (_nc);
|
|
state = oldstate;
|
|
}
|
|
|
|
void RXA::setMP(int _mp)
|
|
{
|
|
nbp0->SetMP (_mp);
|
|
bpsnba->SetMP (_mp);
|
|
bp1->SetBandpassMP (_mp);
|
|
eqp->setMP (_mp);
|
|
fmsq->setMP (_mp);
|
|
fmd->setMPde (_mp);
|
|
fmd->setMPaud (_mp);
|
|
}
|
|
|
|
} // namespace WDSP
|