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radio.cpp
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radio.cpp
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#
/*
* Copyright (C) 2018 .. 2022
* Jan van Katwijk (J.vanKatwijk@gmail.com)
* Lazy Chair Computing
*
* This file is part of swradio
*
* swradio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* swradio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with swradio; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <unistd.h>
#include <QSettings>
#include <QDebug>
#include <QDateTime>
#include <QObject>
#include <QDir>
#include <QColor>
#include <QMessageBox>
#include <QFileDialog>
#include "radio.h"
#include "fft-scope.h"
#include "audio-scope.h"
#include "upconverter.h"
#include "audiosink.h"
#include "decimator.h"
#include "shifter.h"
#include "popup-keypad.h"
#include "program-list.h"
#include "bandplan.h"
#include "deviceselect.h"
//
// devices
#include "device-handler.h"
#include "filereader.h"
#ifdef HAVE_EXTIO
#include "extio-handler.h"
#elif HAVE_PMSDR
#include "pmsdr-handler.h"
#else
#ifdef HAVE_SDRPLAY
#include "sdrplay-handler.h"
#endif
#ifdef HAVE_SDRPLAY_V3
#include "sdrplay-handler-v3.h"
#endif
#ifdef HAVE_RTL_TCP
#include "rtl_tcp_client.h"
#endif
#ifdef HAVE_HACKRF
#include "hackrf-handler.h"
#endif
#ifdef HAVE_RTLSDR
#include "rtlsdr-handler.h"
#endif
#endif
//
// decoders
#include "virtual-decoder.h"
#ifdef HAVE_TEST_DECODER
#include "test-decoder.h"
#endif
#ifdef HAVE_AM_DECODER
#include "am-decoder.h"
#endif
#ifdef HAVE_SSB_DECODER
#include "ssb-decoder.h"
#endif
#ifdef HAVE_CW_DECODER
#include "cw-decoder.h"
#endif
#ifdef HAVE_NEW_CW
#include "cw-new.h"
#endif
#ifdef HAVE_AMTOR_DECODER
#include "amtor-decoder.h"
#endif
#ifdef HAVE_PSK_DECODER
#include "psk-decoder.h"
#endif
#ifdef HAVE_FT8_DECODER
#include "ft8-decoder.h"
#endif
#ifdef HAVE_NEW_DECODER
#include "new-decoder.h"
#endif
#ifdef HAVE_RTTY_DECODER
#include "rtty-decoder.h"
#endif
#ifdef HAVE_FAX_DECODER
#include "fax-decoder.h"
#endif
#ifdef HAVE_DRM_DECODER
#include "drm-decoder.h"
#endif
#ifdef HAVE_ACARS_DECODER
#include "acars-decoder.h"
#endif
static inline
int twoPower (int a) {
int res = 1;
while (--a >= 0)
res <<= 1;
return res;
}
QString FrequencytoString (quint64 freq) {
if (freq < 10)
return QString ('0' + (uint8_t)(freq % 10));
return
FrequencytoString (freq / 10). append (QString ('0' + (uint8_t)(freq % 10)));
}
RadioInterface::RadioInterface (QSettings *sI,
QString stationList,
bandPlan *my_bandPlan,
int inputRate,
int decoderRate,
QWidget *parent):
QMainWindow (parent),
hfShifter (inputRate),
hfFilter (2048, 377),
lfFilter (1024, 127),
agc (decoderRate, 12),
theDecimator (inputRate,
decoderRate) {
this -> settings = sI;
this -> my_bandPlan = my_bandPlan;
this -> inputRate = inputRate;
this -> decoderRate = decoderRate;
setupUi (this);
QPalette *p = new QPalette;
p -> setColor (QPalette::WindowText, Qt::darkBlue);
frequencyDisplay -> setPalette (*p);
QFont f ("Arial", 16, QFont::Bold);
f. setItalic (true);
bandLabel -> setFont (f);
bandLabel -> setPalette (*p);
// and some buffers
// in comes:
inputData = new RingBuffer<std::complex<float> > (1024 * 1024);
//
// out goes:
audioRate = 48000;
audioData = new RingBuffer<std::complex<float>> (audioRate);
agc. setMode (agcHandler::AGC_OFF);
// and the decoders
theDecoder = new virtualDecoder (decoderRate,
audioData);
#ifdef HAVE_TEST_DECODER
decoderTable -> addItem ("test decoder");
#endif
#ifdef HAVE_AM_DECODER
decoderTable -> addItem ("am decoder");
#endif
#ifdef HAVE_SSB_DECODER
decoderTable -> addItem ("ssb decoder");
#endif
#ifdef HAVE_CW_DECODER
decoderTable -> addItem ("cw decoder");
#elif HAVE_NEW_CW
decoderTable -> addItem ("cw decoder");
#endif
#ifdef HAVE_AMTOR_DECODER
decoderTable -> addItem ("amtor decoder");
#endif
#ifdef HAVE_PSK_DECODER
decoderTable -> addItem ("psk decoder");
#endif
#ifdef HAVE_FT8_DECODER
decoderTable -> addItem ("ft8 decoder");
#endif
#ifdef HAVE_NEW_DECODER
decoderTable -> addItem ("new decoder");
#endif
#ifdef HAVE_RTTY_DECODER
decoderTable -> addItem ("rtty decoder");
#endif
#ifdef HAVE_FAX_DECODER
decoderTable -> addItem ("wfax decoder");
#endif
#ifdef HAVE_DRM_DECODER
decoderTable -> addItem ("drm decoder");
#endif
#ifdef HAVE_ACARS_DECODER
decoderTable -> addItem ("acars decoder");
#endif
displaySize = 1024;
scopeWidth = inputRate;
theBand. currentOffset = scopeWidth / 4;
theBand. lowF = -decoderRate / 2;
theBand. highF = decoderRate / 2;
mouseIncrement = 5;
// scope and settings
hfScopeSlider -> setValue (50);
hfScope = new fftScope (hfSpectrum,
displaySize,
kHz (1), // scale
inputRate,
hfScopeSlider -> value (),
8);
hfScope -> set_bitDepth (12); // default
hfScope -> setScope (14070 * 1000, scopeWidth / 4);
theFrequency = 14070 * 1000;
connect (hfScope,
SIGNAL (clickedwithLeft (int)),
this,
SLOT (adjustFrequency_khz (int)));
connect (hfScope,
SIGNAL (clickedwithRight (int)),
this, SLOT (switch_hfViewMode (int)));
connect (hfScopeSlider, SIGNAL (valueChanged (int)),
this, SLOT (set_hfscopeLevel (int)));
// scope and settings
lfScopeSlider -> setValue (50);
lfScope = new fftScope (lfSpectrum,
displaySize,
1,
decoderRate,
lfScopeSlider -> value (),
8);
lfScope -> set_bitDepth (12);
connect (lfScope,
SIGNAL (clickedwithLeft (int)),
this,
SLOT (adjustFrequency_hz (int)));
connect (lfScope,
SIGNAL (clickedwithRight (int)),
this, SLOT (switch_lfViewMode (int)));
connect (lfScopeSlider, SIGNAL (valueChanged (int)),
this, SLOT (set_lfscopeLevel (int)));
// audio scope
showAudio = new audioScope (audioSpectrum,
256,
48000);
// output device
audioHandler = new audioSink (this -> audioRate, 16384);
outTable = new int16_t
[audioHandler -> numberofDevices () + 1];
for (int i = 0; i < audioHandler -> numberofDevices (); i ++)
outTable [i] = -1;
try {
setupSoundOut (streamOutSelector, audioHandler,
audioRate, outTable);
} catch (int e) {
QMessageBox::warning (this, tr ("sdr"),
tr ("Opening audio failed\n"));
abort ();
}
audioHandler -> selectDefaultDevice ();
connect (decoderTable, SIGNAL (activated (const QString &)),
this, SLOT (selectDecoder (const QString &)));
mykeyPad = new keyPad (this);
connect (freqButton, SIGNAL (clicked (void)),
this, SLOT (handle_freqButton (void)));
connect (middleButton, SIGNAL (clicked (void)),
this, SLOT (set_inMiddle (void)));
bandSelector -> addItem ("4000");
bandSelector -> addItem ("fax");
connect (bandSelector, SIGNAL (activated (const QString &)),
this, SLOT (setBand (const QString &)));
connect (mouse_Inc, SIGNAL (valueChanged (int)),
this, SLOT (set_mouseIncrement (int)));
connect (streamOutSelector, SIGNAL (activated (int)),
this, SLOT (setStreamOutSelector (int)));
connect (AGC_select, SIGNAL (activated(const QString&) ),
this, SLOT (set_AGCMode (const QString&) ) );
connect (agc_thresholdSlider, SIGNAL (valueChanged (int)),
this, SLOT (set_agcThresholdSlider (int)));
connect (freqSave, SIGNAL (clicked (void)),
this, SLOT (set_freqSave (void)));
myList = new programList (this, stationList);
myList -> show ();
myLine = NULL;
audioHandler -> selectDefaultDevice ();
theUpConverter = new upConverter (decoderRate, 48000, audioHandler);
theDevice = NULL;
delayCount = 0;
dumpfilePointer = NULL;
connect (dumpButton, SIGNAL (clicked (void)),
this, SLOT (set_dumpButton (void)));
secondsTimer. setInterval (1000);
connect (&secondsTimer, SIGNAL (timeout (void)),
this, SLOT (updateTime (void)));
secondsTimer. start (1000);
theDevice = setDevice (inputData);
if (theDevice == NULL) {
QMessageBox::warning (this, tr ("sdr"),
tr ("No Device\n"));
exit (22);
}
#ifdef __MINGW32__
// communication from the dll to the main program is through signals
#ifdef HAVE_EXTIO
// The following signals originate from the Winrad Extio interface
connect (theDevice, SIGNAL (set_ExtFrequency (int)),
this, SLOT (set_ExtFrequency (int)));
connect (theDevice, SIGNAL (set_ExtLO (int)),
this, SLOT (set_ExtLO (int)));
connect (theDevice, SIGNAL (set_lockLO (void)),
this, SLOT (set_lockLO (void)));
connect (theDevice, SIGNAL (set_unlockLO (void)),
this, SLOT (set_unlockLO (void)));
connect (theDevice, SIGNAL (set_stopHW (void)),
this, SLOT (set_stopHW (void)));
connect (theDevice, SIGNAL (set_startHW (void)),
this, SLOT (set_startHW (void)));
#endif
#endif
hfScope -> set_bitDepth (theDevice -> bitDepth ());
lfScope -> set_bitDepth (theDevice -> bitDepth ());
agc. set_bitDepth (theDevice -> bitDepth ());
agc_thresholdSlider -> setMinimum (get_db (0,
twoPower (theDevice -> bitDepth ())));
agc_thresholdSlider -> setMaximum (0);
agc_thresholdSlider -> setValue (get_db (0,
twoPower (theDevice -> bitDepth ())));
connect (theDevice, SIGNAL (dataAvailable (int)),
this, SLOT (sampleHandler (int)));
// and off we go
theDevice -> restartReader ();
}
// The end of all
RadioInterface::~RadioInterface () {
secondsTimer. stop ();
delete mykeyPad;
delete myList;
delete theUpConverter;
}
//
// If the user quits before selecting a device ....
void RadioInterface::handle_quitButton (void) {
if (theDevice != NULL) {
theDevice -> stopReader ();
disconnect (theDevice, SIGNAL (dataAvailable (int)),
this, SLOT (sampleHandler (int)));
delete theDevice;
}
sleep (1);
myList -> saveTable ();
myList -> hide ();
delete theDecoder;
}
#define D_WAV_FILE "wav file"
#define D_SDRPLAY "sdrplay"
#define D_SDRPLAY_V3 "sdrplay-v3"
#define D_RTL_TCP "rtl_tcp"
#define D_HACKRF "hackrf"
#define D_RTLSDR "rtlsdr"
#define D_PMSDR "pmsdr"
#define D_EXTIO "extio"
deviceHandler *RadioInterface::
setDevice (RingBuffer<std::complex<float>> *hfBuffer) {
deviceSelect deviceSelect;
deviceHandler *theDevice = nullptr;
QStringList devices;
static
const char *deviceTable [] = {
D_WAV_FILE,
#ifdef HAVE_SDRPLAY
D_SDRPLAY,
#endif
#ifdef HAVE_SDRPLAY_V3
D_SDRPLAY_V3,
#endif
#ifdef HAVE_HACKRF
D_HACKRF,
#endif
#ifdef HAVE_RTLSDR
D_RTLSDR,
#endif
#ifdef HAVE_RTL_TCP
D_RTL_TCP,
#endif
#ifdef HAVE_PMSDR
D_PMSDR,
#endif
#ifdef HAVE_EXTIO
D_EXTIO,
#endif
nullptr
};
for (int i = 0; deviceTable [i] != nullptr; i ++)
devices += deviceTable [i];
deviceSelect. addList (devices);
int theIndex = -1;
while (theDevice == nullptr) {
theIndex = deviceSelect. QDialog::exec ();
if (theIndex < 0)
continue;
QString s = devices. at (theIndex);
try {
if (s == D_WAV_FILE) {
theDevice = new fileReader (this, inputRate,
hfBuffer, settings);
bandLabel -> hide ();
return theDevice;
}
#ifdef HAVE_SDRPLAY
if (s == D_SDRPLAY) {
theDevice = new sdrplayHandler (this,
inputRate, hfBuffer, settings);
return theDevice;
}
#endif
#ifdef HAVE_SDRPLAY_V3
if (s == D_SDRPLAY_V3) {
theDevice = new sdrplayHandler_v3 (this, inputRate,
hfBuffer, settings);
return theDevice;
}
#endif
#ifdef HAVE_RTL_TCP
if (s == D_RTL_TCP) {
theDevice = new rtl_tcp_client (this, KHz (2112),
inputRate,
hfBuffer, settings);
return theDevice;
}
#endif
#ifdef HAVE_HACKRF
if (s == D_HACKRF) {
theDevice = new hackrfHandler (this, inputRate,
hfBuffer, settings);
return theDevice;
}
#endif
#ifdef HAVE_RTLSDR
if (s == D_RTLSDR) {
theDevice = new rtlsdrHandler (this, inputRate,
hfBuffer, settings);
return theDevice;
}
#endif
#ifdef HAVE_PMSDR
if (s = D_PMSDR) {
theDevice = new pmsdrHandler (this, inputRate,
hfBuffer, settings);
return theDevice;
}
#endif
#ifdef HAVE_EXTIO
if (s = D_EXTIO) {
theDevice = new extioHandler (this, inputRate,
hfBuffer, settings);
return theDevice;
}
#endif
} catch (int e) {}
}
return nullptr;
}
//
//
virtualDecoder *RadioInterface::selectDecoder (const QString &s) {
disconnect (theDecoder, SIGNAL (audioAvailable (int, int)),
this, SLOT (processAudio (int, int)));
disconnect (theDecoder, SIGNAL (setDetectorMarker (int)),
this, SLOT (setDetectorMarker (int)));
delete theDecoder;
#ifdef HAVE_TEST_DECODER
if (s == "test decoder") {
theDecoder = new testDecoder (decoderRate,
audioData, settings);
connect (theDecoder, SIGNAL (adjustFrequency (int)),
this, SLOT (adjustFrequency_hz (int)));
}
else
#endif
#ifdef HAVE_AM_DECODER
if (s == "am decoder") {
theDecoder = new amDecoder (decoderRate,
audioData, settings);
}
else
#endif
#ifdef HAVE_SSB_DECODER
if (s == "ssb decoder") {
theDecoder = new ssbDecoder (decoderRate,
audioData, settings);
}
else
#endif
#ifdef HAVE_CW_DECODER
if (s == "cw decoder") {
theDecoder = new cwDecoder (this,
decoderRate,
audioData, settings);
connect (theDecoder, SIGNAL (adjustFrequency (int)),
this, SLOT (adjustFrequency_hz (int)));
}
else
#endif
#ifdef HAVE_NEW_CW
if (s == "cw decoder") {
theDecoder = new cwDecoder (this,
decoderRate,
audioData, settings);
connect (theDecoder, SIGNAL (adjustFrequency (int)),
this, SLOT (adjustFrequency_hz (int)));
}
else
#endif
#ifdef HAVE_AMTOR_DECODER
if (s == "amtor decoder") {
theDecoder = new amtorDecoder (decoderRate,
audioData, settings);
}
else
#endif
#ifdef HAVE_PSK_DECODER
if (s == "psk decoder") {
theDecoder = new pskDecoder (decoderRate,
audioData, settings);
connect (theDecoder, SIGNAL (adjustFrequency (int)),
this, SLOT (adjustFrequency_hz (int)));
}
else
#endif
#ifdef HAVE_FT8_DECODER
if (s == "ft8 decoder") {
theDecoder = new ft8_Decoder (this, decoderRate,
audioData, settings);
}
else
#endif
#ifdef HAVE_NEW_DECODER
if (s == "new decoder") {
theDecoder = new newDecoder (decoderRate,
audioData, settings);
}
else
#endif
#ifdef HAVE_RTTY_DECODER
if (s == "rtty decoder") {
theDecoder = new rttyDecoder (decoderRate,
audioData, settings);
}
else
#endif
#ifdef HAVE_FAX_DECODER
if (s == "wfax decoder") {
theDecoder = new faxDecoder (decoderRate,
audioData, settings);
}
else
#endif
#ifdef HAVE_DRM_DECODER
if (s == "drm decoder") {
theDecoder = new drmDecoder (this,
audioData, settings);
}
else
#endif
#ifdef HAVE_ACARS_DECODER
if (s == "acars decoder") {
theDecoder = new acarsDecoder (true, this);
}
else
#endif
theDecoder = new virtualDecoder (decoderRate, audioData);
// bind the signals in the decoder to some slots
connect (theDecoder, SIGNAL (audioAvailable (int, int)),
this, SLOT (processAudio (int, int)));
connect (theDecoder, SIGNAL (setDetectorMarker (int)),
this, SLOT (setDetectorMarker (int)));
return theDecoder;
}
//
void RadioInterface::handle_freqButton (void) {
if (mykeyPad -> isVisible ())
mykeyPad -> hidePad ();
else
mykeyPad -> showPad ();
}
// setFrequency is called from the frequency panel
// as well as from inside to change VFO and offset
void RadioInterface::setFrequency (quint64 frequency) {
quint64 VFOFrequency = frequency - scopeWidth / 4;
theDevice -> setVFOFrequency (VFOFrequency);
theBand. currentOffset = scopeWidth / 4;
hfScope -> setScope (VFOFrequency, theBand. currentOffset);
hfFilter. setBand (theBand. currentOffset + theBand. lowF,
theBand. currentOffset + theBand. highF,
inputRate);
theFrequency = frequency;
QString ff = FrequencytoString (frequency);
frequencyDisplay -> display (ff);
bandLabel -> setText (my_bandPlan -> getFrequencyLabel (frequency));
}
//
// adjustFrequency is called whenever clicking the mouse
void RadioInterface::adjustFrequency_khz (int32_t n) {
adjustFrequency_hz (1000 * n);
}
void RadioInterface::adjustFrequency_hz (int32_t n) {
int lowF = theBand. lowF;
int highF = theBand. highF;
int currOff = theBand. currentOffset;
if ((currOff + highF + n >= scopeWidth / 2 - scopeWidth / 20) ||
(currOff + lowF + n <= - scopeWidth / 2 + scopeWidth / 20) ) {
quint64 newFreq = theDevice -> getVFOFrequency () +
theBand. currentOffset + n;
setFrequency ((quint64)newFreq);
return;
}
else {
theBand. currentOffset += n;
hfScope -> setScope (theDevice -> getVFOFrequency (),
theBand. currentOffset);
hfFilter. setBand (theBand. currentOffset + theBand. lowF,
theBand. currentOffset + theBand. highF,
inputRate);
theFrequency = theDevice -> getVFOFrequency () +
theBand. currentOffset;
}
int freq = theDevice -> getVFOFrequency () +
theBand. currentOffset;
QString ff = FrequencytoString ((quint64)freq);
// auto lcdPalette = frequencyDisplay -> palette ();
// lcdPalette. setColor (lcdPalette. WindowText, Qt::darkBlue);
// frequencyDisplay -> setPalette (lcdPalette);
frequencyDisplay -> display (ff);
// QPalette labelPalette;
// labelPalette. setColor (QPalette::WindowText, Qt::darkBlue);
// bandLabel -> setAutoFillBackground (true);
// bandLabel -> setPalette (labelPalette);
bandLabel -> setText (my_bandPlan -> getFrequencyLabel (freq));
}
//
// just a convenience button
void RadioInterface::set_inMiddle (void) {
quint64 newFreq = theDevice -> getVFOFrequency () +
theBand. currentOffset;
setFrequency (newFreq);
}
void RadioInterface::set_freqSave (void) {
if (myLine == NULL)
myLine = new QLineEdit ();
myLine -> show ();
connect (myLine, SIGNAL (returnPressed (void)),
this, SLOT (handle_myLine (void)));
}
#ifdef HAVE_EXTIO
// The following signals originate from the Winrad Extio interface
//
// Note: the extio interface provides two signals
// one ExtLO signals that the external LO is set
// to a different value,
// the other one, ExtFreq, requests the client program
// to adapt its (local) tuning settings to a new frequency
void RadioInterface::set_ExtFrequency (int f) {
int32_t vfo = theDevice -> getVFOFrequency ();
setFrequency (vfo);
}
//
// From our perspective, the external device only provides us
// with a vfo
void RadioInterface::set_ExtLO (int f) {
set_ExtFrequency (f);
}
void RadioInterface::set_lockLO (void) {
// fprintf (stderr, "ExtioLock is true\n");
// ExtioLock = true;
}
void RadioInterface::set_unlockLO (void) {
// fprintf (stderr, "ExtioLock is false\n");
// ExtioLock = false;
}
void RadioInterface::set_stopHW (void) {
theDevice -> stopReader ();
}
void RadioInterface::set_startHW (void) {
theDevice -> restartReader ();
}
#endif
void RadioInterface::handle_myLine (void) {
int32_t freq = theDevice -> getVFOFrequency () + theBand. currentOffset;
QString programName = myLine -> text ();
myList -> addRow (programName, QString::number (freq / Khz (1)));
disconnect (myLine, SIGNAL (returnPressed (void)),
this, SLOT (handle_myLine (void)));
myLine -> hide ();
}
void RadioInterface::setBand (const QString &s) {
if (s == "am") {
theBand. lowF = -4500;
theBand. highF = 4500;
}
else
if (s == "200") { // for small modes with IF 0
theBand. lowF = -100;
theBand. highF = +100;
}
else
if (s == "500") {
theBand. lowF = -250;
theBand. highF = +250;
}
else
if (s == "1000") {
theBand. lowF = -500;
theBand. highF = +500;
}
else
if (s == "1500") {
theBand. lowF = -750;
theBand. highF = +750;
}
else
if (s == "2000") {
theBand. lowF = -1000;
theBand. highF = +1000;
}
else
if (s == "4000") {
theBand. lowF = -0;
theBand. highF = +3000;
}
else
if (s == "fax") {
theBand. lowF = -1500;
theBand. highF = + 1500;
}
else
if (s == "usb") {
theBand. lowF = 0;
theBand. highF = 2500;
}
else
if (s == "lsb") {
theBand. lowF = -2500;
theBand. highF = 0;
}
else
if (s == "wide") {
theBand. lowF = -5500;
theBand. highF = 5500;
}
hfFilter. setBand (theBand. currentOffset + theBand. lowF,
theBand. currentOffset + theBand. highF,
inputRate);
}
void RadioInterface::set_mouseIncrement (int inc) {
mouseIncrement = inc;
}
void RadioInterface::wheelEvent (QWheelEvent *e) {
adjustFrequency_hz ((e -> delta () > 0) ?
mouseIncrement : -mouseIncrement);
}
//////////////////////////////////////////////////////////////////
//
void RadioInterface::sampleHandler (int amount) {
std::complex<float> buffer [theDecimator. inSize ()];
std::complex<float> ifBuffer [theDecimator. outSize ()];
float dumpBuffer [2 * 512];
int i, j;
(void)amount;
while (inputData -> GetRingBufferReadAvailable () > 512) {
inputData -> getDataFromBuffer (buffer, 512);
hfScope -> addElements (buffer, 512);
if (dumpfilePointer != NULL) {
for (i = 0; i < 512; i ++) {
dumpBuffer [2 * i] = real (buffer [i]);
dumpBuffer [2 * i + 1] = imag (buffer [i]);
}
sf_writef_float (dumpfilePointer, dumpBuffer, 512);
}
for (i = 0; i < 512; i ++) {
float agcGain;
std::complex<float> temp = hfFilter. Pass (buffer [i]);
temp = hfShifter. do_shift (temp, theBand. currentOffset);
if (theDecimator. add (temp, ifBuffer)) {
lfScope -> addElements (ifBuffer, theDecimator. outSize ());
for (j = 0; j < theDecimator. outSize (); j ++) {
agcGain = agc. doAgc (ifBuffer [j]);
temp = cmul (ifBuffer [j], agcGain);
theDecoder -> process (temp);
}
}
}
}
}
//
//
void RadioInterface::set_hfscopeLevel (int level) {
hfScope -> setLevel (level);
}
void RadioInterface::set_lfscopeLevel (int level) {
lfScope -> setLevel (level);
}
// do not forget that ocnt starts with 1, due
// to Qt list conventions
void RadioInterface::setupSoundOut (QComboBox *streamOutSelector,
audioSink *our_audioSink,
int32_t cardRate,
int16_t *table) {
uint16_t ocnt = 1;
uint16_t i;
for (i = 0; i < our_audioSink -> numberofDevices (); i ++) {
const char *so =
our_audioSink -> outputChannelwithRate (i, cardRate);
if (so != NULL) {
streamOutSelector -> insertItem (ocnt, so, QVariant (i));
table [ocnt] = i;
ocnt ++;
}
}
qDebug () << "added items to combobox";
if (ocnt == 1)
throw (22);
}
void RadioInterface::setStreamOutSelector (int idx) {
int16_t outputDevice;
if (idx == 0)
return;
outputDevice = outTable [idx];
if (!audioHandler -> isValidDevice (outputDevice))
return;
audioHandler -> stop ();
if (!audioHandler -> selectDevice (outputDevice)) {
QMessageBox::warning (this, tr ("sdr"),
tr ("Selecting output stream failed\n"));
return;
}
qWarning () << "selected output device " << idx << outputDevice;
audioHandler -> restart ();
}
void RadioInterface::processAudio (int amount, int rate) {
DSPCOMPLEX buffer [rate / 10];
(void)amount;
usleep (1000);
while (audioData -> GetRingBufferReadAvailable () >
(uint32_t)rate / 10) {
audioData -> getDataFromBuffer (buffer, rate / 10);
if (rate != 48000)
theUpConverter -> handle (buffer, rate / 10);
else
audioHandler -> putSamples (buffer, rate / 10);
showAudio -> setRate (rate);
for (int i = 0; i < rate / 10; i ++)
showAudio -> addElement (buffer [i]);
}
}
void RadioInterface::set_AGCMode (const QString &s) {
uint8_t gainControl;
if (s == "AGC off")
gainControl = agcHandler::AGC_OFF;
else
if (s == "slow")
gainControl = agcHandler::AGC_SLOW;
else
gainControl = agcHandler::AGC_FAST;
agc. setMode (gainControl);
}
void RadioInterface::set_agcThresholdSlider (int v) {
agc. setThreshold (v);
}
void RadioInterface::setDetectorMarker (int m) {
lfScope -> setScope (0, m);
}
void RadioInterface::switch_hfViewMode (int d) {
(void)d;
hfScope -> switch_viewMode ();
}
void RadioInterface::switch_lfViewMode (int d) {
(void)d;
lfScope -> switch_viewMode ();
}
void RadioInterface::updateTime (void) {
QDateTime currentTime = QDateTime::currentDateTime ();
timeDisplay -> setText (currentTime.
toString (QString ("dd.MM.yy:hh:mm:ss")));
}
void RadioInterface::set_dumpButton (void) {
SF_INFO *sf_info = (SF_INFO *)alloca (sizeof (SF_INFO));
if (dumpfilePointer != NULL) {
sf_close (dumpfilePointer);
dumpfilePointer = NULL;
dumpButton -> setText ("dump");
return;
}
QString file = QFileDialog::getSaveFileName (this,
tr ("Save file ..."),
QDir::homePath (),
tr ("PCM wave file (*.wav)"));
if (file == QString (""))
return;
file = QDir::toNativeSeparators (file);
if (!file.endsWith (".wav", Qt::CaseInsensitive))
file.append (".wav");
sf_info -> samplerate = inputRate;
sf_info -> channels = 2;
sf_info -> format = SF_FORMAT_WAV | SF_FORMAT_FLOAT;
dumpfilePointer = sf_open (file. toUtf8 (). data (),
SFM_WRITE, sf_info);
if (dumpfilePointer == NULL) {
qDebug () << "Cannot open " << file. toUtf8 (). data ();
return;
}
dumpButton -> setText ("WRITING");
}
#include <QCloseEvent>
void RadioInterface::closeEvent (QCloseEvent *event) {
QMessageBox::StandardButton resultButton =
QMessageBox::question (this, "dabRadio",
tr("Are you sure?\n"),
QMessageBox::No | QMessageBox::Yes,
QMessageBox::Yes);
if (resultButton != QMessageBox::Yes) {
event -> ignore();
} else {
handle_quitButton ();
event -> accept ();
}
}
int32_t RadioInterface::tunedFrequency () {
return theFrequency;
}