mirror of
https://github.com/f4exb/sdrangel.git
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1115 lines
44 KiB
C++
1115 lines
44 KiB
C++
/* TXA.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, 2016, 2017, 2021, 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 "ammod.hpp"
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#include "meter.hpp"
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#include "resample.hpp"
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#include "patchpanel.hpp"
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#include "amsq.hpp"
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#include "eq.hpp"
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#include "cfcomp.hpp"
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#include "compress.hpp"
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#include "bandpass.hpp"
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#include "bps.hpp"
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#include "osctrl.hpp"
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#include "wcpAGC.hpp"
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#include "emphp.hpp"
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#include "fmmod.hpp"
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#include "siphon.hpp"
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#include "gen.hpp"
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#include "slew.hpp"
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#include "iqc.hpp"
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#include "cfir.hpp"
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#include "fircore.hpp"
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#include "phrot.hpp"
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#include "fir.hpp"
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#include "TXA.hpp"
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namespace WDSP {
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TXA::TXA(
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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 = TXA_LSB;
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f_low = -5000.0;
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f_high = - 100.0;
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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 sample rate
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dsp_rate, // output sample rate
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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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gen0 = new GEN(
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0, // run
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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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dsp_rate, // sample rate
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2); // mode
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panel = new PANEL(
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1, // 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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1.0, // gain1
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1.0, // gain2I
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1.0, // gain2Q
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2, // 1 to use Q, 2 to use I for input
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0); // 0, no copy
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phrot = new PHROT(
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0, // run
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dsp_size, // size
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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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338.0, // 1/2 of phase frequency
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8); // number of stages
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micmeter = 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, // result vector
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TXA_MIC_AV, // index for average value
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TXA_MIC_PK, // index for peak value
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-1, // index for gain value
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nullptr); // pointer for gain computation
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amsq = new AMSQ(
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0, // run
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dsp_size, // size
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midbuff, // input buffer
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midbuff, // output buffer
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midbuff, // trigger buffer
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dsp_rate, // sample rate
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0.010, // time constant for averaging signal
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0.004, // up-slew time
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0.004, // down-slew time
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0.180, // signal level to initiate tail
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0.200, // signal level to initiate unmute
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0.000, // minimum tail length
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0.025, // maximum tail length
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0.200); // muted gain
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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, -12.0, -12.0, -12.0, -1.0, +1.0, +4.0, +9.0, +12.0, -10.0, -10.0};
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//float default_G[11] = {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, // 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, // nfreqs
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default_F.data(), // vector of frequencies
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default_G.data(), // vector of gain values
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0, // cutoff mode
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0, // wintype
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dsp_rate); // samplerate
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}
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eqmeter = new METER(
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1, // run
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&(eqp->run), // pointer to eqp '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, // result vector
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TXA_EQ_AV, // index for average value
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TXA_EQ_PK, // index for peak value
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-1, // index for gain value
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nullptr); // pointer for gain computation
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preemph = new EMPHP(
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0, // run
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1, // 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, // sample rate
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0, // pre-emphasis type
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300.0, // f_low
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3000.0); // f_high
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leveler = new WCPAGC(
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0, // run - OFF by default
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5, // mode
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0, // 0 for max(I,Q), 1 for envelope
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midbuff, // input buff pointer
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midbuff, // output buff pointer
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dsp_size, // io_buffsize
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dsp_rate, // sample rate
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0.001, // tau_attack
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0.500, // tau_decay
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6, // n_tau
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1.778, // max_gain
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1.0, // var_gain
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1.0, // fixed_gain
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1.0, // max_input
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1.05, // out_targ
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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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0, // hang_enable
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0.500, // tau_hang_backmult
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0.500, // hangtime
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2.000, // hang_thresh
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0.100); // tau_hang_decay
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lvlrmeter = new METER(
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1, // run
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&(leveler->run), // pointer to leveler '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, // result vector
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TXA_LVLR_AV, // index for average value
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TXA_LVLR_PK, // index for peak value
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TXA_LVLR_GAIN, // index for gain value
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&leveler->gain); // pointer for gain computation
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{
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std::array<double, 5> default_F = {200.0, 1000.0, 2000.0, 3000.0, 4000.0};
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std::array<double, 5> default_G = { 0.0, 5.0, 10.0, 10.0, 5.0};
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std::array<double, 5> default_E = { 7.0, 7.0, 7.0, 7.0, 7.0};
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cfcomp = new CFCOMP(
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0, // run
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0, // position
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0, // post-equalizer run
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dsp_size, // size
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midbuff, // input buffer
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midbuff, // output buffer
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2048, // fft size
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4, // overlap
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dsp_rate, // samplerate
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1, // window type
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0, // compression method
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5, // nfreqs
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0.0, // pre-compression
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0.0, // pre-postequalization
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default_F.data(), // frequency array
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default_G.data(), // compression array
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default_E.data(), // eq array
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0.25, // metering time constant
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0.50); // display time constant
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}
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cfcmeter = new METER(
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1, // run
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&(cfcomp->run), // pointer to eqp '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, // result vector
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TXA_CFC_AV, // index for average value
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TXA_CFC_PK, // index for peak value
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TXA_CFC_GAIN, // index for gain value
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(double*) &cfcomp->gain); // pointer for gain computation
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bp0 = new BANDPASS(
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1, // always runs
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0, // position
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dsp_size, // 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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f_low, // low freq cutoff
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f_high, // high freq cutoff
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dsp_rate, // samplerate
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1, // wintype
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2.0); // gain
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compressor = COMPRESSOR::create_compressor (
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0, // run - OFF by default
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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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3.0); // gain
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bp1 = new BANDPASS(
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0, // ONLY RUNS WHEN COMPRESSOR IS USED
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0, // position
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dsp_size, // 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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f_low, // low freq cutoff
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f_high, // high freq cutoff
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dsp_rate, // samplerate
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1, // wintype
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2.0); // gain
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osctrl = OSCTRL::create_osctrl (
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0, // run
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dsp_size, // size
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midbuff, // input buffer
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midbuff, // output buffer
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dsp_rate, // sample rate
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1.95f); // gain for clippings
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bp2 = new BANDPASS(
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0, // ONLY RUNS WHEN COMPRESSOR IS USED
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0, // position
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dsp_size, // 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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f_low, // low freq cutoff
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f_high, // high freq cutoff
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dsp_rate, // samplerate
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1, // wintype
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1.0); // gain
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compmeter = new METER(
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1, // run
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&(compressor->run), // pointer to compressor '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, // result vector
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TXA_COMP_AV, // index for average value
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TXA_COMP_PK, // index for peak value
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-1, // index for gain value
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nullptr); // pointer for gain computation
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alc = new WCPAGC(
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1, // run - always ON
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5, // mode
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1, // 0 for max(I,Q), 1 for envelope
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midbuff, // input buff pointer
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midbuff, // output buff pointer
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dsp_size, // io_buffsize
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dsp_rate, // sample rate
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0.001, // tau_attack
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0.010, // tau_decay
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6, // n_tau
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1.0, // max_gain
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1.0, // var_gain
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1.0, // fixed_gain
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1.0, // max_input
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1.0, // out_targ
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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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0, // hang_enable
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0.500, // tau_hang_backmult
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0.500, // hangtime
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2.000, // hang_thresh
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0.100); // tau_hang_decay
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ammod = new AMMOD(
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0, // run - OFF by default
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0, // mode: 0=>AM, 1=>DSB
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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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0.5); // carrier level
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fmmod = FMMOD::create_fmmod (
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0, // run - OFF by default
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dsp_size, // size
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midbuff, // pointer to input buffer
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midbuff, // pointer to input buffer
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dsp_rate, // samplerate
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5000.0, // deviation
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300.0, // low cutoff frequency
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3000.0, // high cutoff frequency
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1, // ctcss run control
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0.10f, // ctcss level
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100.0, // ctcss frequency
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1, // run bandpass filter
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std::max(2048, dsp_size), // number coefficients for bandpass filter
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0); // minimum phase flag
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gen1 = new GEN(
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0, // run
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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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dsp_rate, // sample rate
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0); // mode
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uslew = USLEW::create_uslew (
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this,
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&upslew, // pointer to channel upslew flag
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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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(float) dsp_rate, // sample rate
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0.000, // delay time
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0.005f); // upslew time
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alcmeter = new METER(
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1, // run
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nullptr, // optional pointer to a '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, // result vector
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TXA_ALC_AV, // index for average value
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TXA_ALC_PK, // index for peak value
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TXA_ALC_GAIN, // index for gain value
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&alc->gain); // pointer for gain computation
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sip1 = new SIPHON(
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1, // run
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0, // position
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0, // mode
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0, // disp
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dsp_size, // input buffer size
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midbuff, // input buffer
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16384, // number of samples to buffer
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16384, // fft size for spectrum
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1); // specmode
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// txa->calcc = create_calcc (
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// channel, // channel number
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// 1, // run calibration
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// 1024, // input buffer size
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// in_rate, // samplerate
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// 16, // ints
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// 256, // spi
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// (1.0 / 0.4072), // hw_scale
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// 0.1, // mox delay
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// 0.0, // loop delay
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// 0.8, // ptol
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// 0, // mox
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// 0, // solidmox
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// 1, // pin mode
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// 1, // map mode
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// 0, // stbl mode
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// 256, // pin samples
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// 0.9); // alpha
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iqc.p0 = iqc.p1 = IQC::create_iqc (
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0, // run
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dsp_size, // size
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midbuff, // input buffer
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midbuff, // output buffer
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(float)dsp_rate, // sample rate
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16, // ints
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0.005f, // changeover time
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256); // spi
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cfir = CFIR::create_cfir(
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0, // run
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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, // input sample rate
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out_rate, // CIC input sample rate
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1, // CIC differential delay
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640, // CIC interpolation factor
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5, // CIC integrator-comb pairs
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20000.0, // cutoff frequency
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2, // brick-wall windowed rolloff
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0.0, // raised-cosine transition width
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0); // window type
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rsmpout = new RESAMPLE(
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0, // run - will be turned ON below if needed
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dsp_size, // input size
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midbuff, // pointer to input buffer
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outbuff, // pointer to output buffer
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dsp_rate, // input sample rate
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out_rate, // output sample rate
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0.0, // select cutoff automatically
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0, // select ncoef automatically
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0.980); // gain
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outmeter = new METER(
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1, // run
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nullptr, // optional pointer to another 'run'
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dsp_outsize, // size
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outbuff, // pointer to buffer
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out_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, // result vector
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TXA_OUT_AV, // index for average value
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TXA_OUT_PK, // index for peak value
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-1, // index for gain value
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nullptr); // pointer for gain computation
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// turn OFF / ON resamplers as needed
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resCheck();
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}
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TXA::~TXA()
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{
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// in reverse order, free each item we created
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delete outmeter;
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delete rsmpout;
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CFIR::destroy_cfir(cfir);
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IQC::destroy_iqc (iqc.p0);
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delete sip1;
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delete alcmeter;
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USLEW::destroy_uslew (uslew);
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delete gen1;
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FMMOD::destroy_fmmod (fmmod);
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delete ammod;
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|
delete alc;
|
|
delete compmeter;
|
|
delete bp2;
|
|
OSCTRL::destroy_osctrl (osctrl);
|
|
delete bp1;
|
|
COMPRESSOR::destroy_compressor (compressor);
|
|
delete bp0;
|
|
delete cfcmeter;
|
|
delete cfcomp;
|
|
delete lvlrmeter;
|
|
delete leveler;
|
|
delete preemph;
|
|
delete eqmeter;
|
|
delete eqp;
|
|
delete amsq;
|
|
delete micmeter;
|
|
delete phrot;
|
|
delete panel;
|
|
delete gen0;
|
|
delete rsmpin;
|
|
}
|
|
|
|
void TXA::flush()
|
|
{
|
|
Unit::flushBuffers();
|
|
rsmpin->flush();
|
|
gen0->flush();
|
|
panel->flush ();
|
|
phrot->flush();
|
|
micmeter->flush ();
|
|
amsq->flush ();
|
|
eqp->flush();
|
|
eqmeter->flush ();
|
|
preemph->flush();
|
|
leveler->flush();
|
|
lvlrmeter->flush ();
|
|
cfcomp->flush();
|
|
cfcmeter->flush ();
|
|
bp0->flush ();
|
|
COMPRESSOR::flush_compressor (compressor);
|
|
bp1->flush ();
|
|
OSCTRL::flush_osctrl (osctrl);
|
|
bp2->flush ();
|
|
compmeter->flush ();
|
|
alc->flush ();
|
|
ammod->flush();
|
|
FMMOD::flush_fmmod (fmmod);
|
|
gen1->flush();
|
|
USLEW::flush_uslew (uslew);
|
|
alcmeter->flush ();
|
|
sip1->flush();
|
|
IQC::flush_iqc (iqc.p0);
|
|
CFIR::flush_cfir(cfir);
|
|
rsmpout->flush();
|
|
outmeter->flush ();
|
|
}
|
|
|
|
void TXA::execute()
|
|
{
|
|
rsmpin->execute(); // input resampler
|
|
gen0->execute(); // input signal generator
|
|
panel->execute(); // includes MIC gain
|
|
phrot->execute(); // phase rotator
|
|
micmeter->execute (); // MIC meter
|
|
amsq->xcap (); // downward expander capture
|
|
amsq->execute (); // downward expander action
|
|
eqp->execute (); // pre-EQ
|
|
eqmeter->execute (); // EQ meter
|
|
preemph->execute(0); // FM pre-emphasis (first option)
|
|
leveler->execute (); // Leveler
|
|
lvlrmeter->execute (); // Leveler Meter
|
|
cfcomp->execute(0); // Continuous Frequency Compressor with post-EQ
|
|
cfcmeter->execute (); // CFC+PostEQ Meter
|
|
bp0->execute (0); // primary bandpass filter
|
|
COMPRESSOR::xcompressor (compressor); // COMP compressor
|
|
bp1->execute (0); // aux bandpass (runs if COMP)
|
|
OSCTRL::xosctrl (osctrl); // CESSB Overshoot Control
|
|
bp2->execute (0); // aux bandpass (runs if CESSB)
|
|
compmeter->execute (); // COMP meter
|
|
alc->execute (); // ALC
|
|
ammod->execute(); // AM Modulator
|
|
preemph->execute(1); // FM pre-emphasis (second option)
|
|
FMMOD::xfmmod (fmmod); // FM Modulator
|
|
gen1->execute(); // output signal generator (TUN and Two-tone)
|
|
USLEW::xuslew (uslew); // up-slew for AM, FM, and gens
|
|
alcmeter->execute (); // ALC Meter
|
|
sip1->execute(0); // siphon data for display
|
|
IQC::xiqc (iqc.p0); // PureSignal correction
|
|
CFIR::xcfir(cfir); // compensating FIR filter (used Protocol_2 only)
|
|
rsmpout->execute(); // output resampler
|
|
outmeter->execute (); // output meter
|
|
}
|
|
|
|
void TXA::setInputSamplerate(int in_rate)
|
|
{
|
|
Unit::setBuffersInputSamplerate(in_rate);
|
|
// input resampler
|
|
rsmpin->setBuffers(inbuff, midbuff);
|
|
rsmpin->setSize(dsp_insize);
|
|
rsmpin->setInRate(in_rate);
|
|
resCheck();
|
|
}
|
|
|
|
void TXA::setOutputSamplerate(int out_rate)
|
|
{
|
|
Unit::setBuffersOutputSamplerate(out_rate);
|
|
// cfir - needs to know input rate of firmware CIC
|
|
CFIR::setOutRate_cfir (cfir, out_rate);
|
|
// output resampler
|
|
rsmpout->setBuffers(midbuff, outbuff);
|
|
rsmpout->setOutRate(out_rate);
|
|
resCheck();
|
|
// output meter
|
|
outmeter->setBuffers(outbuff);
|
|
outmeter->setSize(dsp_outsize);
|
|
outmeter->setSamplerate (out_rate);
|
|
}
|
|
|
|
void TXA::setDSPSamplerate(int dsp_rate)
|
|
{
|
|
Unit::setBuffersDSPSamplerate(dsp_rate);
|
|
// input resampler
|
|
rsmpin->setBuffers(inbuff, midbuff);
|
|
rsmpin->setSize(dsp_insize);
|
|
rsmpin->setOutRate(dsp_rate);
|
|
// dsp_rate blocks
|
|
gen0->setSamplerate(dsp_rate);
|
|
panel->setSamplerate(dsp_rate);
|
|
phrot->setSamplerate(dsp_rate);
|
|
micmeter->setSamplerate (dsp_rate);
|
|
amsq->setSamplerate (dsp_rate);
|
|
eqp->setSamplerate (dsp_rate);
|
|
eqmeter->setSamplerate (dsp_rate);
|
|
preemph->setSamplerate(dsp_rate);
|
|
leveler->setSamplerate (dsp_rate);
|
|
lvlrmeter->setSamplerate (dsp_rate);
|
|
cfcomp->setSamplerate(dsp_rate);
|
|
cfcmeter->setSamplerate (dsp_rate);
|
|
bp0->setSamplerate (dsp_rate);
|
|
COMPRESSOR::setSamplerate_compressor (compressor, dsp_rate);
|
|
bp1->setSamplerate (dsp_rate);
|
|
OSCTRL::setSamplerate_osctrl (osctrl, dsp_rate);
|
|
bp2->setSamplerate (dsp_rate);
|
|
compmeter->setSamplerate (dsp_rate);
|
|
alc->setSamplerate (dsp_rate);
|
|
ammod->setSamplerate(dsp_rate);
|
|
FMMOD::setSamplerate_fmmod (fmmod, dsp_rate);
|
|
gen1->setSamplerate(dsp_rate);
|
|
USLEW::setSamplerate_uslew (uslew, dsp_rate);
|
|
alcmeter->setSamplerate (dsp_rate);
|
|
sip1->setSamplerate (dsp_rate);
|
|
IQC::setSamplerate_iqc (iqc.p0, dsp_rate);
|
|
CFIR::setSamplerate_cfir (cfir, dsp_rate);
|
|
// output resampler
|
|
rsmpout->setBuffers(midbuff, outbuff);
|
|
rsmpout->setInRate(dsp_rate);
|
|
resCheck();
|
|
// output meter
|
|
outmeter->setBuffers(outbuff);
|
|
outmeter->setSize (dsp_outsize);
|
|
}
|
|
|
|
void TXA::setDSPBuffsize(int dsp_size)
|
|
{
|
|
Unit::setBuffersDSPBuffsize(dsp_size);
|
|
// input resampler
|
|
rsmpin->setBuffers(inbuff, midbuff);
|
|
rsmpin->setSize(dsp_insize);
|
|
// dsp_size blocks
|
|
gen0->setBuffers(midbuff, midbuff);
|
|
gen0->setSize(dsp_size);
|
|
panel->setBuffers(midbuff, midbuff);
|
|
panel->setSize(dsp_size);
|
|
phrot->setBuffers(midbuff, midbuff);
|
|
phrot->setSize(dsp_size);
|
|
micmeter->setBuffers (midbuff);
|
|
micmeter->setSize (dsp_size);
|
|
amsq->setBuffers (midbuff, midbuff, midbuff);
|
|
amsq->setSize (dsp_size);
|
|
eqp->setBuffers (midbuff, midbuff);
|
|
eqp->setSize (dsp_size);
|
|
eqmeter->setBuffers (midbuff);
|
|
eqmeter->setSize (dsp_size);
|
|
preemph->setBuffers(midbuff, midbuff);
|
|
preemph->setSize(dsp_size);
|
|
leveler->setBuffers(midbuff, midbuff);
|
|
leveler->setSize(dsp_size);
|
|
lvlrmeter->setBuffers(midbuff);
|
|
lvlrmeter->setSize(dsp_size);
|
|
cfcomp->setBuffers(midbuff, midbuff);
|
|
cfcomp->setSize(dsp_size);
|
|
cfcmeter->setBuffers(midbuff);
|
|
cfcmeter->setSize(dsp_size);
|
|
bp0->setBuffers (midbuff, midbuff);
|
|
bp0->setSize (dsp_size);
|
|
COMPRESSOR::setBuffers_compressor (compressor, midbuff, midbuff);
|
|
COMPRESSOR::setSize_compressor (compressor, dsp_size);
|
|
bp1->setBuffers (midbuff, midbuff);
|
|
bp1->setSize (dsp_size);
|
|
OSCTRL::setBuffers_osctrl (osctrl, midbuff, midbuff);
|
|
OSCTRL::setSize_osctrl (osctrl, dsp_size);
|
|
bp2->setBuffers (midbuff, midbuff);
|
|
bp2->setSize (dsp_size);
|
|
compmeter->setBuffers(midbuff);
|
|
compmeter->setSize(dsp_size);
|
|
alc->setBuffers(midbuff, midbuff);
|
|
alc->setSize( dsp_size);
|
|
ammod->setBuffers(midbuff, midbuff);
|
|
ammod->setSize(dsp_size);
|
|
FMMOD::setBuffers_fmmod (fmmod, midbuff, midbuff);
|
|
FMMOD::setSize_fmmod (fmmod, dsp_size);
|
|
gen1->setBuffers(midbuff, midbuff);
|
|
gen1->setSize(dsp_size);
|
|
USLEW::setBuffers_uslew (uslew, midbuff, midbuff);
|
|
USLEW::setSize_uslew (uslew, dsp_size);
|
|
alcmeter->setBuffers (midbuff);
|
|
alcmeter->setSize(dsp_size);
|
|
sip1->setBuffers (midbuff);
|
|
sip1->setSize (dsp_size);
|
|
IQC::setBuffers_iqc (iqc.p0, midbuff, midbuff);
|
|
IQC::setSize_iqc (iqc.p0, dsp_size);
|
|
CFIR::setBuffers_cfir (cfir, midbuff, midbuff);
|
|
CFIR::setSize_cfir (cfir, dsp_size);
|
|
// output resampler
|
|
rsmpout->setBuffers(midbuff, outbuff);
|
|
rsmpout->setSize(dsp_size);
|
|
// output meter
|
|
outmeter->setBuffers(outbuff);
|
|
outmeter->setSize(dsp_outsize);
|
|
}
|
|
|
|
/********************************************************************************************************
|
|
* *
|
|
* TXA Properties *
|
|
* *
|
|
********************************************************************************************************/
|
|
|
|
void TXA::setMode(int _mode)
|
|
{
|
|
if (mode != _mode)
|
|
{
|
|
mode = _mode;
|
|
ammod->run = 0;
|
|
fmmod->run = 0;
|
|
preemph->run = 0;
|
|
|
|
switch (_mode)
|
|
{
|
|
case TXA_AM:
|
|
case TXA_SAM:
|
|
ammod->run = 1;
|
|
ammod->mode = 0;
|
|
break;
|
|
case TXA_DSB:
|
|
ammod->run = 1;
|
|
ammod->mode = 1;
|
|
break;
|
|
case TXA_AM_LSB:
|
|
case TXA_AM_USB:
|
|
ammod->run = 1;
|
|
ammod->mode = 2;
|
|
break;
|
|
case TXA_FM:
|
|
fmmod->run = 1;
|
|
preemph->run = 1;
|
|
break;
|
|
default:
|
|
|
|
break;
|
|
}
|
|
|
|
setupBPFilters();
|
|
}
|
|
}
|
|
|
|
void TXA::setBandpassFreqs(float _f_low, float _f_high)
|
|
{
|
|
if ((f_low != _f_low) || (f_high != _f_high))
|
|
{
|
|
f_low = _f_low;
|
|
f_high = _f_high;
|
|
setupBPFilters();
|
|
}
|
|
}
|
|
|
|
|
|
/********************************************************************************************************
|
|
* *
|
|
* TXA Internal Functions *
|
|
* *
|
|
********************************************************************************************************/
|
|
|
|
void TXA::resCheck()
|
|
{
|
|
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;
|
|
}
|
|
|
|
int TXA::uslewCheck()
|
|
{
|
|
return (ammod->run == 1) ||
|
|
(fmmod->run == 1) ||
|
|
(gen0->run == 1) ||
|
|
(gen1->run == 1);
|
|
}
|
|
|
|
void TXA::setupBPFilters()
|
|
{
|
|
bp0->run = 1;
|
|
bp1->run = 0;
|
|
bp2->run = 0;
|
|
switch (mode)
|
|
{
|
|
case TXA_LSB:
|
|
case TXA_USB:
|
|
case TXA_CWL:
|
|
case TXA_CWU:
|
|
case TXA_DIGL:
|
|
case TXA_DIGU:
|
|
case TXA_SPEC:
|
|
case TXA_DRM:
|
|
bp0->calcBandpassFilter (f_low, f_high, 2.0);
|
|
if (compressor->run)
|
|
{
|
|
bp1->calcBandpassFilter (f_low, f_high, 2.0);
|
|
bp1->run = 1;
|
|
if (osctrl->run)
|
|
{
|
|
bp2->calcBandpassFilter (f_low, f_high, 1.0);
|
|
bp2->run = 1;
|
|
}
|
|
}
|
|
break;
|
|
case TXA_DSB:
|
|
case TXA_AM:
|
|
case TXA_SAM:
|
|
case TXA_FM:
|
|
if (compressor->run)
|
|
{
|
|
bp0->calcBandpassFilter (0.0, f_high, 2.0);
|
|
bp1->calcBandpassFilter (0.0, f_high, 2.0);
|
|
bp1->run = 1;
|
|
if (osctrl->run)
|
|
{
|
|
bp2->calcBandpassFilter (0.0, f_high, 1.0);
|
|
bp2->run = 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bp0->calcBandpassFilter (f_low, f_high, 1.0);
|
|
}
|
|
break;
|
|
case TXA_AM_LSB:
|
|
bp0->calcBandpassFilter (-f_high, 0.0, 2.0);
|
|
if (compressor->run)
|
|
{
|
|
bp1->calcBandpassFilter (-f_high, 0.0, 2.0);
|
|
bp1->run = 1;
|
|
if (osctrl->run)
|
|
{
|
|
bp2->calcBandpassFilter (-f_high, 0.0, 1.0);
|
|
bp2->run = 1;
|
|
}
|
|
}
|
|
break;
|
|
case TXA_AM_USB:
|
|
bp0->calcBandpassFilter (0.0, f_high, 2.0);
|
|
if (compressor->run)
|
|
{
|
|
bp1->calcBandpassFilter (0.0, f_high, 2.0);
|
|
bp1->run = 1;
|
|
if (osctrl->run)
|
|
{
|
|
bp2->calcBandpassFilter(0.0, f_high, 1.0);
|
|
bp2->run = 1;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void TXA::setBandpassNC(int _nc)
|
|
{
|
|
// NOTE: 'nc' must be >= 'size'
|
|
BANDPASS *a;
|
|
a = bp0;
|
|
|
|
if (a->nc != _nc)
|
|
{
|
|
a->nc = _nc;
|
|
float* impulse = FIR::fir_bandpass (
|
|
a->nc,
|
|
a->f_low,
|
|
a->f_high,
|
|
a->samplerate,
|
|
a->wintype,
|
|
1,
|
|
a->gain / (double)(2 * a->size)
|
|
);
|
|
FIRCORE::setNc_fircore(a->fircore, a->nc, impulse);
|
|
delete[] impulse;
|
|
}
|
|
|
|
a = bp1;
|
|
|
|
if (a->nc != _nc)
|
|
{
|
|
a->nc = _nc;
|
|
float* impulse = FIR::fir_bandpass (
|
|
a->nc,
|
|
a->f_low,
|
|
a->f_high,
|
|
a->samplerate,
|
|
a->wintype,
|
|
1,
|
|
a->gain / (double)(2 * a->size)
|
|
);
|
|
FIRCORE::setNc_fircore(a->fircore, a->nc, impulse);
|
|
delete[] impulse;
|
|
}
|
|
|
|
a = bp2;
|
|
|
|
if (a->nc != _nc)
|
|
{
|
|
a->nc = _nc;
|
|
float* impulse = FIR::fir_bandpass (
|
|
a->nc,
|
|
a->f_low,
|
|
a->f_high,
|
|
a->samplerate,
|
|
a->wintype,
|
|
1,
|
|
a->gain / (double)(2 * a->size)
|
|
);
|
|
FIRCORE::setNc_fircore(a->fircore, a->nc, impulse);
|
|
delete[] impulse;
|
|
}
|
|
}
|
|
|
|
void TXA::setBandpassMP(int _mp)
|
|
{
|
|
BANDPASS *a;
|
|
a = bp0;
|
|
|
|
if (_mp != a->mp)
|
|
{
|
|
a->mp = _mp;
|
|
FIRCORE::setMp_fircore(a->fircore, a->mp);
|
|
}
|
|
|
|
a = bp1;
|
|
|
|
if (_mp != a->mp)
|
|
{
|
|
a->mp = _mp;
|
|
FIRCORE::setMp_fircore(a->fircore, a->mp);
|
|
}
|
|
|
|
a = bp2;
|
|
|
|
if (_mp != a->mp)
|
|
{
|
|
a->mp = _mp;
|
|
FIRCORE::setMp_fircore(a->fircore, a->mp);
|
|
}
|
|
}
|
|
|
|
/********************************************************************************************************
|
|
* *
|
|
* Collectives *
|
|
* *
|
|
********************************************************************************************************/
|
|
|
|
void TXA::setNC(int _nc)
|
|
{
|
|
int oldstate = state;
|
|
|
|
setBandpassNC (_nc);
|
|
preemph->setNC (_nc);
|
|
eqp->setNC (_nc);
|
|
FMMOD::SetFMNC (*this, _nc);
|
|
CFIR::SetCFIRNC (*this, _nc);
|
|
state = oldstate;
|
|
}
|
|
|
|
void TXA::setMP(int _mp)
|
|
{
|
|
setBandpassMP (_mp);
|
|
preemph->setMP (_mp);
|
|
eqp->setMP (_mp);
|
|
FMMOD::SetFMMP (*this, _mp);
|
|
}
|
|
|
|
void TXA::setFMAFFilter(float _low, float _high)
|
|
{
|
|
preemph->setFreqs (_low, _high);
|
|
FMMOD::SetFMAFFreqs(*this, _low, _high);
|
|
}
|
|
|
|
void TXA::SetBPSRun (TXA& txa, int _run)
|
|
{
|
|
txa.bp1->run = _run;
|
|
}
|
|
|
|
void TXA::SetBPSFreqs (TXA& txa, double _f_low, double _f_high)
|
|
{
|
|
float* impulse;
|
|
BPS *a;
|
|
a = txa.bps0;
|
|
|
|
if ((_f_low != a->f_low) || (_f_high != a->f_high))
|
|
{
|
|
a->f_low = _f_low;
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|
a->f_high = _f_high;
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delete[] (a->mults);
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impulse = FIR::fir_bandpass(a->size + 1, _f_low, _f_high, a->samplerate, a->wintype, 1, 1.0 / (float)(2 * a->size));
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a->mults = FIR::fftcv_mults (2 * a->size, impulse);
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|
delete[] (impulse);
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}
|
|
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|
a = txa.bps1;
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|
|
|
if ((_f_low != a->f_low) || (_f_high != a->f_high))
|
|
{
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|
a->f_low = _f_low;
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|
a->f_high = _f_high;
|
|
delete[] (a->mults);
|
|
impulse = FIR::fir_bandpass(a->size + 1, _f_low, _f_high, a->samplerate, a->wintype, 1, 1.0 / (float)(2 * a->size));
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|
a->mults = FIR::fftcv_mults (2 * a->size, impulse);
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|
delete[] (impulse);
|
|
}
|
|
|
|
a = txa.bps2;
|
|
|
|
if ((_f_low != a->f_low) || (_f_high != a->f_high))
|
|
{
|
|
a->f_low = _f_low;
|
|
a->f_high = _f_high;
|
|
delete[] (a->mults);
|
|
impulse = FIR::fir_bandpass(a->size + 1, _f_low, _f_high, a->samplerate, a->wintype, 1, 1.0 / (float)(2 * a->size));
|
|
a->mults = FIR::fftcv_mults (2 * a->size, impulse);
|
|
delete[] (impulse);
|
|
}
|
|
}
|
|
|
|
void TXA::SetBPSWindow (TXA& txa, int _wintype)
|
|
{
|
|
float* impulse;
|
|
BPS *a;
|
|
a = txa.bps0;
|
|
|
|
if (a->wintype != _wintype)
|
|
{
|
|
a->wintype = _wintype;
|
|
delete[] (a->mults);
|
|
impulse = FIR::fir_bandpass(a->size + 1, a->f_low, a->f_high, a->samplerate, a->wintype, 1, 1.0 / (float)(2 * a->size));
|
|
a->mults = FIR::fftcv_mults (2 * a->size, impulse);
|
|
delete[] (impulse);
|
|
}
|
|
|
|
a = txa.bps1;
|
|
|
|
if (a->wintype != _wintype)
|
|
{
|
|
a->wintype = _wintype;
|
|
delete[] (a->mults);
|
|
impulse = FIR::fir_bandpass(a->size + 1, a->f_low, a->f_high, a->samplerate, a->wintype, 1, 1.0 / (float)(2 * a->size));
|
|
a->mults = FIR::fftcv_mults (2 * a->size, impulse);
|
|
delete[] (impulse);
|
|
}
|
|
|
|
a = txa.bps2;
|
|
|
|
if (a->wintype != _wintype)
|
|
{
|
|
a->wintype = _wintype;
|
|
delete[] (a->mults);
|
|
impulse = FIR::fir_bandpass (a->size + 1, a->f_low, a->f_high, a->samplerate, a->wintype, 1, 1.0 / (float)(2 * a->size));
|
|
a->mults = FIR::fftcv_mults (2 * a->size, impulse);
|
|
delete[] (impulse);
|
|
}
|
|
}
|
|
|
|
|
|
} // namespace WDSP
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