mirror of
https://github.com/f4exb/sdrangel.git
synced 2025-11-03 21:20:31 -05:00
525 lines
18 KiB
C++
525 lines
18 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// Copyright (C) 2014 John Greb <hexameron@spam.no> //
|
|
// Copyright (C) 2015-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
|
|
// //
|
|
// This program 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 as version 3 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program 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 V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <QDebug>
|
|
|
|
#include <errno.h>
|
|
|
|
#include "rtlsdrthread.h"
|
|
#include "rtlsdrinput.h"
|
|
|
|
#include "dsp/devicesamplesource.h"
|
|
#include "dsp/samplesinkfifo.h"
|
|
|
|
#define FCD_BLOCKSIZE 16384
|
|
|
|
RTLSDRThread::RTLSDRThread(rtlsdr_dev_t* dev, SampleSinkFifo* sampleFifo, ReplayBuffer<quint8> *replayBuffer, const RTLSDRSettings& settings, QObject* parent) :
|
|
QThread(parent),
|
|
m_running(false),
|
|
m_dev(dev),
|
|
m_convertBuffer(FCD_BLOCKSIZE),
|
|
m_sampleFifo(sampleFifo),
|
|
m_replayBuffer(replayBuffer)
|
|
{
|
|
applySettings(settings, QStringList(), true);
|
|
connect(&m_inputMessageQueue, &MessageQueue::messageEnqueued, this, &RTLSDRThread::handleInputMessages);
|
|
}
|
|
|
|
RTLSDRThread::~RTLSDRThread()
|
|
{
|
|
qDebug() << "RTLSDRThread::~RTLSDRThread";
|
|
if (m_running) {
|
|
stopWork();
|
|
}
|
|
}
|
|
|
|
void RTLSDRThread::startWork()
|
|
{
|
|
connect(&m_inputMessageQueue, &MessageQueue::messageEnqueued, this, &RTLSDRThread::handleInputMessages);
|
|
m_startWaitMutex.lock();
|
|
start();
|
|
while (!m_running) {
|
|
m_startWaiter.wait(&m_startWaitMutex, 100);
|
|
}
|
|
m_startWaitMutex.unlock();
|
|
}
|
|
|
|
void RTLSDRThread::stopWork()
|
|
{
|
|
if (m_running)
|
|
{
|
|
disconnect(&m_inputMessageQueue, &MessageQueue::messageEnqueued, this, &RTLSDRThread::handleInputMessages);
|
|
m_running = false; // Cause run() to finish
|
|
#ifndef __EMSCRIPTEN__
|
|
wait();
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void RTLSDRThread::run()
|
|
{
|
|
int res;
|
|
|
|
m_running = true;
|
|
m_startWaiter.wakeAll();
|
|
|
|
while (m_running)
|
|
{
|
|
#ifndef __EMSCRIPTEN__
|
|
if ((res = rtlsdr_read_async(m_dev, &RTLSDRThread::callbackHelper, this, 32, FCD_BLOCKSIZE)) < 0)
|
|
{
|
|
if (m_running) {
|
|
qCritical("RTLSDRThread: async read error: %s", strerror(errno));
|
|
}
|
|
break;
|
|
}
|
|
#else
|
|
int len = 0;
|
|
unsigned char buf[FCD_BLOCKSIZE];
|
|
|
|
if ((res = rtlsdr_read_sync(m_dev, buf, sizeof(buf), &len)) < 0)
|
|
{
|
|
qCritical("RTLSDRThread: read error: %s", strerror(errno));
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (m_settings.m_iqOrder) {
|
|
callbackIQ(buf, len);
|
|
} else {
|
|
callbackQI(buf, len);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
m_running = false;
|
|
}
|
|
|
|
// Decimate according to specified log2 (ex: log2=4 => decim=16)
|
|
// Len is total samples (i.e. one I and Q pair will have len=2)
|
|
void RTLSDRThread::callbackIQ(const quint8* inBuf, qint32 len)
|
|
{
|
|
SampleVector::iterator it = m_convertBuffer.begin();
|
|
|
|
// Save data to replay buffer
|
|
m_replayBuffer->lock();
|
|
bool replayEnabled = m_replayBuffer->getSize() > 0;
|
|
if (replayEnabled) {
|
|
m_replayBuffer->write(inBuf, len);
|
|
}
|
|
|
|
const quint8* buf = inBuf;
|
|
qint32 remaining = len;
|
|
|
|
while (remaining > 0)
|
|
{
|
|
// Choose between live data or replayed data
|
|
if (replayEnabled && m_replayBuffer->useReplay()) {
|
|
len = m_replayBuffer->read(remaining, buf);
|
|
} else {
|
|
len = remaining;
|
|
}
|
|
remaining -= len;
|
|
|
|
if (m_settings.m_log2Decim == 0)
|
|
{
|
|
m_decimatorsIQ.decimate1(&it, buf, len);
|
|
}
|
|
else
|
|
{
|
|
if (m_settings.m_fcPos == 0) // Infradyne
|
|
{
|
|
switch (m_settings.m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsIQ.decimate2_inf(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsIQ.decimate4_inf(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsIQ.decimate8_inf(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsIQ.decimate16_inf(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsIQ.decimate32_inf(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsIQ.decimate64_inf(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (m_settings.m_fcPos == 1) // Supradyne
|
|
{
|
|
switch (m_settings.m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsIQ.decimate2_sup(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsIQ.decimate4_sup(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsIQ.decimate8_sup(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsIQ.decimate16_sup(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsIQ.decimate32_sup(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsIQ.decimate64_sup(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else // Centered
|
|
{
|
|
switch (m_settings.m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsIQ.decimate2_cen(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsIQ.decimate4_cen(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsIQ.decimate8_cen(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsIQ.decimate16_cen(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsIQ.decimate32_cen(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsIQ.decimate64_cen(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
m_replayBuffer->unlock();
|
|
|
|
m_sampleFifo->write(m_convertBuffer.begin(), it);
|
|
|
|
#ifndef __EMSCRIPTEN__
|
|
if (!m_running)
|
|
rtlsdr_cancel_async(m_dev);
|
|
#endif
|
|
}
|
|
|
|
void RTLSDRThread::callbackQI(const quint8* inBuf, qint32 len)
|
|
{
|
|
SampleVector::iterator it = m_convertBuffer.begin();
|
|
|
|
// Save data to replay buffer
|
|
m_replayBuffer->lock();
|
|
bool replayEnabled = m_replayBuffer->getSize() > 0;
|
|
if (replayEnabled) {
|
|
m_replayBuffer->write(inBuf, len);
|
|
}
|
|
|
|
const quint8* buf = inBuf;
|
|
qint32 remaining = len;
|
|
|
|
while (remaining > 0)
|
|
{
|
|
// Choose between live data or replayed data
|
|
if (replayEnabled && m_replayBuffer->useReplay()) {
|
|
len = m_replayBuffer->read(remaining, buf);
|
|
} else {
|
|
len = remaining;
|
|
}
|
|
remaining -= len;
|
|
|
|
if (m_settings.m_log2Decim == 0)
|
|
{
|
|
m_decimatorsQI.decimate1(&it, buf, len);
|
|
}
|
|
else
|
|
{
|
|
if (m_settings.m_fcPos == 0) // Infradyne
|
|
{
|
|
switch (m_settings.m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsQI.decimate2_inf(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsQI.decimate4_inf(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsQI.decimate8_inf(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsQI.decimate16_inf(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsQI.decimate32_inf(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsQI.decimate64_inf(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (m_settings.m_fcPos == 1) // Supradyne
|
|
{
|
|
switch (m_settings.m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsQI.decimate2_sup(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsQI.decimate4_sup(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsQI.decimate8_sup(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsQI.decimate16_sup(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsQI.decimate32_sup(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsQI.decimate64_sup(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else // Centered
|
|
{
|
|
switch (m_settings.m_log2Decim)
|
|
{
|
|
case 1:
|
|
m_decimatorsQI.decimate2_cen(&it, buf, len);
|
|
break;
|
|
case 2:
|
|
m_decimatorsQI.decimate4_cen(&it, buf, len);
|
|
break;
|
|
case 3:
|
|
m_decimatorsQI.decimate8_cen(&it, buf, len);
|
|
break;
|
|
case 4:
|
|
m_decimatorsQI.decimate16_cen(&it, buf, len);
|
|
break;
|
|
case 5:
|
|
m_decimatorsQI.decimate32_cen(&it, buf, len);
|
|
break;
|
|
case 6:
|
|
m_decimatorsQI.decimate64_cen(&it, buf, len);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
m_replayBuffer->unlock();
|
|
|
|
m_sampleFifo->write(m_convertBuffer.begin(), it);
|
|
|
|
#ifndef __EMSCRIPTEN__
|
|
if (!m_running)
|
|
rtlsdr_cancel_async(m_dev);
|
|
#endif
|
|
}
|
|
|
|
#ifndef __EMSCRIPTEN__
|
|
void RTLSDRThread::callbackHelper(unsigned char* buf, uint32_t len, void* ctx)
|
|
{
|
|
RTLSDRThread* thread = (RTLSDRThread*) ctx;
|
|
|
|
if (thread->m_settings.m_iqOrder) {
|
|
thread->callbackIQ(buf, len);
|
|
} else {
|
|
thread->callbackQI(buf, len);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void RTLSDRThread::handleInputMessages()
|
|
{
|
|
Message* message;
|
|
|
|
while ((message = m_inputMessageQueue.pop()) != nullptr)
|
|
{
|
|
if (handleMessage(*message)) {
|
|
delete message;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool RTLSDRThread::handleMessage(const Message& cmd)
|
|
{
|
|
if (RTLSDRInput::MsgConfigureRTLSDR::match(cmd))
|
|
{
|
|
auto& conf = (const RTLSDRInput::MsgConfigureRTLSDR&) cmd;
|
|
|
|
applySettings(conf.getSettings(), conf.getSettingsKeys(), conf.getForce());
|
|
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool RTLSDRThread::applySettings(const RTLSDRSettings& settings, const QStringList& settingsKeys, bool force)
|
|
{
|
|
qDebug() << "RTLSDRThread::applySettings: force: " << force << settings.getDebugString(settingsKeys, force);
|
|
|
|
if ((settingsKeys.contains("agc") && (settings.m_agc != m_settings.m_agc)) || force)
|
|
{
|
|
if (rtlsdr_set_agc_mode(m_dev, settings.m_agc ? 1 : 0) < 0) {
|
|
qCritical("RTLSDRThread::applySettings: could not set AGC mode %s", settings.m_agc ? "on" : "off");
|
|
} else {
|
|
qDebug("RTLSDRThread::applySettings: AGC mode %s", settings.m_agc ? "on" : "off");
|
|
}
|
|
}
|
|
|
|
if ((settingsKeys.contains("loPpmCorrection") && (settings.m_loPpmCorrection != m_settings.m_loPpmCorrection)) || force)
|
|
{
|
|
if (rtlsdr_set_freq_correction(m_dev, settings.m_loPpmCorrection) < 0) {
|
|
qCritical("RTLSDRThread::applySettings: could not set LO ppm correction: %d", settings.m_loPpmCorrection);
|
|
} else {
|
|
qDebug("RTLSDRThread::applySettings: LO ppm correction set to: %d", settings.m_loPpmCorrection);
|
|
}
|
|
}
|
|
|
|
if ((settingsKeys.contains("devSampleRate") && ((settings.m_devSampleRate) != m_settings.m_devSampleRate)) || force)
|
|
{
|
|
if (rtlsdr_set_sample_rate(m_dev, settings.m_devSampleRate) < 0) {
|
|
qCritical("RTLSDRThread::applySettings: could not set sample rate: %d", settings.m_devSampleRate);
|
|
} else {
|
|
qDebug("RTLSDRThread::applySettings: sample rate set to %d", settings.m_devSampleRate);
|
|
}
|
|
}
|
|
|
|
if ((settingsKeys.contains("log2Decim") && (settings.m_log2Decim != m_settings.m_log2Decim)) || force)
|
|
{
|
|
qDebug("RTLSDRThread::applySettings: log2decim set to %d", settings.m_log2Decim);
|
|
}
|
|
|
|
if ( (settingsKeys.contains("centerFrequency") && (settings.m_centerFrequency != m_settings.m_centerFrequency))
|
|
|| (settingsKeys.contains("fcPos") && (settings.m_fcPos != m_settings.m_fcPos))
|
|
|| (settingsKeys.contains("log2Decim") && (settings.m_log2Decim != m_settings.m_log2Decim))
|
|
|| (settingsKeys.contains("devSampleRate") && (settings.m_devSampleRate != m_settings.m_devSampleRate))
|
|
|| (settingsKeys.contains("transverterMode") && (settings.m_transverterMode != m_settings.m_transverterMode))
|
|
|| (settingsKeys.contains("transverterDeltaFrequency") && (settings.m_transverterDeltaFrequency != m_settings.m_transverterDeltaFrequency))
|
|
|| force)
|
|
{
|
|
qint64 deviceCenterFrequency = DeviceSampleSource::calculateDeviceCenterFrequency(
|
|
settings.m_centerFrequency,
|
|
settings.m_transverterDeltaFrequency,
|
|
settings.m_log2Decim,
|
|
(DeviceSampleSource::fcPos_t) settings.m_fcPos,
|
|
settings.m_devSampleRate,
|
|
DeviceSampleSource::FrequencyShiftScheme::FSHIFT_STD,
|
|
settings.m_transverterMode);
|
|
|
|
if (rtlsdr_set_center_freq(m_dev, deviceCenterFrequency) != 0) {
|
|
qWarning("RTLSDRThread::applySettings: rtlsdr_set_center_freq(%lld) failed", deviceCenterFrequency);
|
|
} else {
|
|
qDebug("RTLSDRThread::applySettings: rtlsdr_set_center_freq(%lld)", deviceCenterFrequency);
|
|
}
|
|
}
|
|
|
|
if ((settingsKeys.contains("noModMode") && (settings.m_noModMode != m_settings.m_noModMode)) || force)
|
|
{
|
|
qDebug() << "RTLSDRThread::applySettings: set noModMode to " << settings.m_noModMode;
|
|
|
|
// Direct Modes: 0: off, 1: I, 2: Q, 3: NoMod.
|
|
if (settings.m_noModMode) {
|
|
rtlsdr_set_direct_sampling(m_dev, 3);
|
|
} else {
|
|
rtlsdr_set_direct_sampling(m_dev, 0);
|
|
}
|
|
}
|
|
|
|
if ((settingsKeys.contains("rfBandwidth") && (settings.m_rfBandwidth != m_settings.m_rfBandwidth)) || force)
|
|
{
|
|
if (rtlsdr_set_tuner_bandwidth( m_dev, settings.m_rfBandwidth) != 0) {
|
|
qCritical("RTLSDRThread::applySettings: could not set RF bandwidth to %u", settings.m_rfBandwidth);
|
|
} else {
|
|
qDebug() << "RTLSDRThread::applySettings: set RF bandwidth to " << settings.m_rfBandwidth;
|
|
}
|
|
}
|
|
|
|
// Reapply offset_tuning setting if bandwidth is changed, otherwise frequency response of filter looks wrong on E4000
|
|
if ( (settingsKeys.contains("offsetTuning") && (settings.m_offsetTuning != m_settings.m_offsetTuning))
|
|
|| (settingsKeys.contains("rfBandwidth") && (settings.m_rfBandwidth != m_settings.m_rfBandwidth))
|
|
|| force)
|
|
{
|
|
if (rtlsdr_set_offset_tuning(m_dev, settings.m_offsetTuning ? 0 : 1) != 0) {
|
|
qCritical("RTLSDRThread::applySettings: could not set offset tuning to %s", settings.m_offsetTuning ? "on" : "off");
|
|
} else {
|
|
qDebug("RTLSDRThread::applySettings: offset tuning set to %s", settings.m_offsetTuning ? "on" : "off");
|
|
}
|
|
}
|
|
|
|
if ((settingsKeys.contains("gain") && (settings.m_gain != m_settings.m_gain)) || force)
|
|
{
|
|
// Nooelec E4000 SDRs appear to require tuner_gain_mode to be reset to manual before
|
|
// each call to set_tuner_gain, otherwise tuner AGC seems to be reenabled
|
|
if (rtlsdr_set_tuner_gain_mode(m_dev, 1) < 0) {
|
|
qCritical("RTLSDRThread::applySettings: error setting tuner gain mode to manual");
|
|
}
|
|
if (rtlsdr_set_tuner_gain(m_dev, settings.m_gain) != 0) {
|
|
qCritical("RTLSDRThread::applySettings: rtlsdr_set_tuner_gain() failed");
|
|
} else {
|
|
qDebug("RTLSDRThread::applySettings: rtlsdr_set_tuner_gain() to %d", settings.m_gain);
|
|
}
|
|
}
|
|
|
|
if ((settingsKeys.contains("biasTee") && (settings.m_biasTee != m_settings.m_biasTee)) || force)
|
|
{
|
|
if (rtlsdr_set_bias_tee(m_dev, settings.m_biasTee ? 1 : 0) != 0) {
|
|
qCritical("RTLSDRThread::applySettings: rtlsdr_set_bias_tee() failed");
|
|
} else {
|
|
qDebug("RTLSDRThread::applySettings: rtlsdr_set_bias_tee() to %d", settings.m_biasTee ? 1 : 0);
|
|
}
|
|
}
|
|
|
|
if (force) {
|
|
m_settings = settings;
|
|
} else {
|
|
m_settings.applySettings(settingsKeys, settings);
|
|
}
|
|
|
|
return true;
|
|
}
|