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sdrangel/sdrdaemon/channel/sdrdaemonchannelsource.cpp

414 lines
16 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Edouard Griffiths, F4EXB. //
// //
// SDRdaemon source channel (Tx) //
// //
// SDRdaemon is a detached SDR front end that handles the interface with a //
// physical device and sends or receives the I/Q samples stream to or from a //
// SDRangel instance via UDP. It is controlled via a Web REST API. //
// //
// 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 //
// //
// 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 <sys/time.h>
#include <unistd.h>
#include <boost/crc.hpp>
#include <boost/cstdint.hpp>
#include <QDebug>
#include "SWGChannelSettings.h"
#include "SWGChannelReport.h"
#include "SWGSDRDaemonChannelSourceReport.h"
#include "util/simpleserializer.h"
#include "dsp/threadedbasebandsamplesource.h"
#include "dsp/upchannelizer.h"
#include "dsp/devicesamplesink.h"
#include "device/devicesinkapi.h"
#include "sdrdaemonchannelsource.h"
#include "channel/sdrdaemonchannelsourcethread.h"
#include "channel/sdrdaemondatablock.h"
MESSAGE_CLASS_DEFINITION(SDRDaemonChannelSource::MsgConfigureSDRDaemonChannelSource, Message)
const QString SDRDaemonChannelSource::m_channelIdURI = "sdrangel.channel.sdrdaemonsource";
const QString SDRDaemonChannelSource::m_channelId = "SDRDaemonChannelSource";
SDRDaemonChannelSource::SDRDaemonChannelSource(DeviceSinkAPI *deviceAPI) :
ChannelSourceAPI(m_channelIdURI),
m_deviceAPI(deviceAPI),
m_sourceThread(0),
m_running(false),
m_nbCorrectableErrors(0),
m_nbUncorrectableErrors(0)
{
setObjectName(m_channelId);
m_channelizer = new UpChannelizer(this);
m_threadedChannelizer = new ThreadedBasebandSampleSource(m_channelizer, this);
m_deviceAPI->addThreadedSource(m_threadedChannelizer);
m_deviceAPI->addChannelAPI(this);
connect(&m_dataQueue, SIGNAL(dataBlockEnqueued()), this, SLOT(handleData()), Qt::QueuedConnection);
m_cm256p = m_cm256.isInitialized() ? &m_cm256 : 0;
m_currentMeta.init();
}
SDRDaemonChannelSource::~SDRDaemonChannelSource()
{
m_deviceAPI->removeChannelAPI(this);
m_deviceAPI->removeThreadedSource(m_threadedChannelizer);
delete m_threadedChannelizer;
delete m_channelizer;
}
void SDRDaemonChannelSource::pull(Sample& sample)
{
m_dataReadQueue.readSample(sample);
}
void SDRDaemonChannelSource::start()
{
qDebug("SDRDaemonChannelSink::start");
if (m_running) {
stop();
}
m_sourceThread = new SDRDaemonChannelSourceThread(&m_dataQueue);
m_sourceThread->startStop(true);
m_sourceThread->dataBind(m_settings.m_dataAddress, m_settings.m_dataPort);
m_running = true;
}
void SDRDaemonChannelSource::stop()
{
qDebug("SDRDaemonChannelSink::stop");
if (m_sourceThread != 0)
{
m_sourceThread->startStop(false);
m_sourceThread->deleteLater();
m_sourceThread = 0;
}
m_running = false;
}
void SDRDaemonChannelSource::setDataLink(const QString& dataAddress, uint16_t dataPort)
{
SDRDaemonChannelSourceSettings settings = m_settings;
settings.m_dataAddress = dataAddress;
settings.m_dataPort = dataPort;
MsgConfigureSDRDaemonChannelSource *msg = MsgConfigureSDRDaemonChannelSource::create(settings, false);
m_inputMessageQueue.push(msg);
}
bool SDRDaemonChannelSource::handleMessage(const Message& cmd __attribute__((unused)))
{
if (UpChannelizer::MsgChannelizerNotification::match(cmd))
{
UpChannelizer::MsgChannelizerNotification& notif = (UpChannelizer::MsgChannelizerNotification&) cmd;
qDebug() << "SDRDaemonChannelSource::handleMessage: UpChannelizer::MsgChannelizerNotification:"
<< " basebandSampleRate: " << notif.getBasebandSampleRate()
<< " outputSampleRate: " << notif.getSampleRate()
<< " inputFrequencyOffset: " << notif.getFrequencyOffset();
//applyChannelSettings(notif.getBasebandSampleRate(), notif.getSampleRate(), notif.getFrequencyOffset());
return true;
}
else if (MsgConfigureSDRDaemonChannelSource::match(cmd))
{
MsgConfigureSDRDaemonChannelSource& cfg = (MsgConfigureSDRDaemonChannelSource&) cmd;
qDebug() << "SDRDaemonChannelSource::handleMessage: MsgConfigureSDRDaemonChannelSource";
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else
{
return false;
}
}
QByteArray SDRDaemonChannelSource::serialize() const
{
return m_settings.serialize();
}
bool SDRDaemonChannelSource::deserialize(const QByteArray& data __attribute__((unused)))
{
if (m_settings.deserialize(data))
{
MsgConfigureSDRDaemonChannelSource *msg = MsgConfigureSDRDaemonChannelSource::create(m_settings, true);
m_inputMessageQueue.push(msg);
return true;
}
else
{
m_settings.resetToDefaults();
MsgConfigureSDRDaemonChannelSource *msg = MsgConfigureSDRDaemonChannelSource::create(m_settings, true);
m_inputMessageQueue.push(msg);
return false;
}
}
void SDRDaemonChannelSource::applySettings(const SDRDaemonChannelSourceSettings& settings, bool force)
{
qDebug() << "SDRDaemonChannelSource::applySettings:"
<< " m_dataAddress: " << settings.m_dataAddress
<< " m_dataPort: " << settings.m_dataPort
<< " force: " << force;
bool change = false;
if ((m_settings.m_dataAddress != settings.m_dataAddress) || force) {
change = true;
}
if ((m_settings.m_dataPort != settings.m_dataPort) || force) {
change = true;
}
if (change && m_sourceThread) {
m_sourceThread->dataBind(settings.m_dataAddress, settings.m_dataPort);
}
m_settings = settings;
}
void SDRDaemonChannelSource::handleDataBlock(SDRDaemonDataBlock* dataBlock)
{
if (dataBlock->m_rxControlBlock.m_blockCount < SDRDaemonNbOrginalBlocks)
{
qWarning("SDRDaemonChannelSource::handleDataBlock: incomplete data block: not processing");
}
else
{
int blockCount = 0;
for (int blockIndex = 0; blockIndex < 256; blockIndex++)
{
if ((blockIndex == 0) && (dataBlock->m_rxControlBlock.m_metaRetrieved))
{
m_cm256DescriptorBlocks[blockCount].Index = 0;
m_cm256DescriptorBlocks[blockCount].Block = (void *) &(dataBlock->m_superBlocks[0].m_protectedBlock);
blockCount++;
}
else if (dataBlock->m_superBlocks[blockIndex].m_header.m_blockIndex != 0)
{
m_cm256DescriptorBlocks[blockCount].Index = dataBlock->m_superBlocks[blockIndex].m_header.m_blockIndex;
m_cm256DescriptorBlocks[blockCount].Block = (void *) &(dataBlock->m_superBlocks[blockIndex].m_protectedBlock);
blockCount++;
}
}
//qDebug("SDRDaemonChannelSource::handleDataBlock: frame: %u blocks: %d", dataBlock.m_rxControlBlock.m_frameIndex, blockCount);
// Need to use the CM256 recovery
if (m_cm256p &&(dataBlock->m_rxControlBlock.m_originalCount < SDRDaemonNbOrginalBlocks))
{
qDebug("SDRDaemonChannelSource::handleDataBlock: %d recovery blocks", dataBlock->m_rxControlBlock.m_recoveryCount);
CM256::cm256_encoder_params paramsCM256;
paramsCM256.BlockBytes = sizeof(SDRDaemonProtectedBlock); // never changes
paramsCM256.OriginalCount = SDRDaemonNbOrginalBlocks; // never changes
if (m_currentMeta.m_tv_sec == 0) {
paramsCM256.RecoveryCount = dataBlock->m_rxControlBlock.m_recoveryCount;
} else {
paramsCM256.RecoveryCount = m_currentMeta.m_nbFECBlocks;
}
// update counters
if (dataBlock->m_rxControlBlock.m_originalCount < SDRDaemonNbOrginalBlocks - paramsCM256.RecoveryCount) {
m_nbUncorrectableErrors += SDRDaemonNbOrginalBlocks - paramsCM256.RecoveryCount - dataBlock->m_rxControlBlock.m_originalCount;
} else {
m_nbCorrectableErrors += dataBlock->m_rxControlBlock.m_recoveryCount;
}
if (m_cm256.cm256_decode(paramsCM256, m_cm256DescriptorBlocks)) // CM256 decode
{
qWarning() << "SDRDaemonChannelSource::handleDataBlock: decode CM256 error:"
<< " m_originalCount: " << dataBlock->m_rxControlBlock.m_originalCount
<< " m_recoveryCount: " << dataBlock->m_rxControlBlock.m_recoveryCount;
}
else
{
for (int ir = 0; ir < dataBlock->m_rxControlBlock.m_recoveryCount; ir++) // restore missing blocks
{
int recoveryIndex = SDRDaemonNbOrginalBlocks - dataBlock->m_rxControlBlock.m_recoveryCount + ir;
int blockIndex = m_cm256DescriptorBlocks[recoveryIndex].Index;
SDRDaemonProtectedBlock *recoveredBlock =
(SDRDaemonProtectedBlock *) m_cm256DescriptorBlocks[recoveryIndex].Block;
memcpy((void *) &(dataBlock->m_superBlocks[blockIndex].m_protectedBlock), recoveredBlock, sizeof(SDRDaemonProtectedBlock));
if ((blockIndex == 0) && !dataBlock->m_rxControlBlock.m_metaRetrieved) {
dataBlock->m_rxControlBlock.m_metaRetrieved = true;
}
}
}
}
// Validate block zero and retrieve its data
if (dataBlock->m_rxControlBlock.m_metaRetrieved)
{
SDRDaemonMetaDataFEC *metaData = (SDRDaemonMetaDataFEC *) &(dataBlock->m_superBlocks[0].m_protectedBlock);
boost::crc_32_type crc32;
crc32.process_bytes(metaData, 20);
if (crc32.checksum() == metaData->m_crc32)
{
if (!(m_currentMeta == *metaData))
{
printMeta("SDRDaemonChannelSource::handleDataBlock", metaData);
if (m_currentMeta.m_centerFrequency != metaData->m_centerFrequency) {
m_deviceAPI->getSampleSink()->setCenterFrequency(metaData->m_centerFrequency*1000); // frequency is in kHz
}
if (m_currentMeta.m_sampleRate != metaData->m_sampleRate)
{
m_channelizer->configure(m_channelizer->getInputMessageQueue(), metaData->m_sampleRate, 0);
m_dataReadQueue.setSize(calculateDataReadQueueSize(metaData->m_sampleRate));
}
}
m_currentMeta = *metaData;
}
else
{
qWarning() << "SDRDaemonChannelSource::handleDataBlock: recovered meta: invalid CRC32";
}
}
m_dataReadQueue.push(dataBlock); // Push into R/W buffer
}
}
void SDRDaemonChannelSource::handleData()
{
SDRDaemonDataBlock* dataBlock;
while (m_running && ((dataBlock = m_dataQueue.pop()) != 0)) {
handleDataBlock(dataBlock);
}
}
void SDRDaemonChannelSource::printMeta(const QString& header, SDRDaemonMetaDataFEC *metaData)
{
qDebug().noquote() << header << ": "
<< "|" << metaData->m_centerFrequency
<< ":" << metaData->m_sampleRate
<< ":" << (int) (metaData->m_sampleBytes & 0xF)
<< ":" << (int) metaData->m_sampleBits
<< ":" << (int) metaData->m_nbOriginalBlocks
<< ":" << (int) metaData->m_nbFECBlocks
<< "|" << metaData->m_tv_sec
<< ":" << metaData->m_tv_usec
<< "|";
}
uint32_t SDRDaemonChannelSource::calculateDataReadQueueSize(int sampleRate)
{
// scale for 20 blocks at 48 kS/s. Take next even number.
uint32_t maxSize = sampleRate / 2400;
maxSize = (maxSize % 2 == 0) ? maxSize : maxSize + 1;
qDebug("SDRDaemonChannelSource::calculateDataReadQueueSize: set max queue size to %u blocks", maxSize);
return maxSize;
}
int SDRDaemonChannelSource::webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage __attribute__((unused)))
{
response.setSdrDaemonChannelSourceSettings(new SWGSDRangel::SWGSDRDaemonChannelSourceSettings());
response.getSdrDaemonChannelSourceSettings()->init();
webapiFormatChannelSettings(response, m_settings);
return 200;
}
int SDRDaemonChannelSource::webapiSettingsPutPatch(
bool force,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage __attribute__((unused)))
{
SDRDaemonChannelSourceSettings settings = m_settings;
if (channelSettingsKeys.contains("dataAddress")) {
settings.m_dataAddress = *response.getSdrDaemonChannelSourceSettings()->getDataAddress();
}
if (channelSettingsKeys.contains("dataPort"))
{
int dataPort = response.getSdrDaemonChannelSourceSettings()->getDataPort();
if ((dataPort < 1024) || (dataPort > 65535)) {
settings.m_dataPort = 9090;
} else {
settings.m_dataPort = dataPort;
}
}
MsgConfigureSDRDaemonChannelSource *msg = MsgConfigureSDRDaemonChannelSource::create(settings, force);
m_inputMessageQueue.push(msg);
qDebug("SDRDaemonChannelSource::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
if (m_guiMessageQueue) // forward to GUI if any
{
MsgConfigureSDRDaemonChannelSource *msgToGUI = MsgConfigureSDRDaemonChannelSource::create(settings, force);
m_guiMessageQueue->push(msgToGUI);
}
webapiFormatChannelSettings(response, settings);
return 200;
}
int SDRDaemonChannelSource::webapiReportGet(
SWGSDRangel::SWGChannelReport& response,
QString& errorMessage __attribute__((unused)))
{
response.setSdrDaemonChannelSourceReport(new SWGSDRangel::SWGSDRDaemonChannelSourceReport());
response.getSdrDaemonChannelSourceReport()->init();
webapiFormatChannelReport(response);
return 200;
}
void SDRDaemonChannelSource::webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const SDRDaemonChannelSourceSettings& settings)
{
if (response.getSdrDaemonChannelSourceSettings()->getDataAddress()) {
*response.getSdrDaemonChannelSourceSettings()->getDataAddress() = settings.m_dataAddress;
} else {
response.getSdrDaemonChannelSourceSettings()->setDataAddress(new QString(settings.m_dataAddress));
}
response.getSdrDaemonChannelSourceSettings()->setDataPort(settings.m_dataPort);
}
void SDRDaemonChannelSource::webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response)
{
struct timeval tv;
gettimeofday(&tv, 0);
response.getSdrDaemonChannelSourceReport()->setTvSec(tv.tv_sec);
response.getSdrDaemonChannelSourceReport()->setTvUSec(tv.tv_usec);
response.getSdrDaemonChannelSourceReport()->setQueueSize(m_dataReadQueue.size());
response.getSdrDaemonChannelSourceReport()->setQueueLength(m_dataReadQueue.length());
response.getSdrDaemonChannelSourceReport()->setSamplesCount(m_dataReadQueue.readSampleCount());
response.getSdrDaemonChannelSourceReport()->setCorrectableErrorsCount(m_nbCorrectableErrors);
response.getSdrDaemonChannelSourceReport()->setUncorrectableErrorsCount(m_nbUncorrectableErrors);
}