mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-04 16:01:14 -05:00
446 lines
16 KiB
C++
446 lines
16 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 Edouard Griffiths, F4EXB. //
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// //
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// SDRdaemon sink channel (Rx) //
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// //
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// SDRdaemon is a detached SDR front end that handles the interface with a //
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// physical device and sends or receives the I/Q samples stream to or from a //
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// SDRangel instance via UDP. It is controlled via a Web REST API. //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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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 V3 for more details. //
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// //
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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, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <sys/time.h>
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#include <unistd.h>
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#include <boost/crc.hpp>
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#include <boost/cstdint.hpp>
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#include "SWGChannelSettings.h"
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#include "util/simpleserializer.h"
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#include "dsp/threadedbasebandsamplesink.h"
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#include "dsp/downchannelizer.h"
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#include "dsp/dspcommands.h"
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#include "device/devicesourceapi.h"
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#include "daemonsinkthread.h"
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#include "daemonsink.h"
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MESSAGE_CLASS_DEFINITION(DaemonSink::MsgConfigureDaemonSink, Message)
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MESSAGE_CLASS_DEFINITION(DaemonSink::MsgSampleRateNotification, Message)
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const QString DaemonSink::m_channelIdURI = "sdrangel.channel.daemonsink";
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const QString DaemonSink::m_channelId = "DaemonSink";
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DaemonSink::DaemonSink(DeviceSourceAPI *deviceAPI) :
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ChannelSinkAPI(m_channelIdURI),
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m_deviceAPI(deviceAPI),
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m_running(false),
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m_sinkThread(0),
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m_txBlockIndex(0),
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m_frameCount(0),
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m_sampleIndex(0),
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m_dataBlock(0),
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m_centerFrequency(0),
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m_sampleRate(48000),
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m_nbBlocksFEC(0),
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m_txDelay(35),
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m_dataAddress("127.0.0.1"),
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m_dataPort(9090)
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{
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setObjectName(m_channelId);
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m_channelizer = new DownChannelizer(this);
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m_threadedChannelizer = new ThreadedBasebandSampleSink(m_channelizer, this);
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m_deviceAPI->addThreadedSink(m_threadedChannelizer);
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m_deviceAPI->addChannelAPI(this);
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}
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DaemonSink::~DaemonSink()
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{
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m_dataBlockMutex.lock();
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if (m_dataBlock && !m_dataBlock->m_txControlBlock.m_complete) {
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delete m_dataBlock;
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}
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m_dataBlockMutex.unlock();
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m_deviceAPI->removeChannelAPI(this);
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m_deviceAPI->removeThreadedSink(m_threadedChannelizer);
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delete m_threadedChannelizer;
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delete m_channelizer;
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}
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void DaemonSink::setTxDelay(int txDelay, int nbBlocksFEC)
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{
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double txDelayRatio = txDelay / 100.0;
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int samplesPerBlock = SDRDaemonNbBytesPerBlock / sizeof(Sample);
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double delay = m_sampleRate == 0 ? 1.0 : (127*samplesPerBlock*txDelayRatio) / m_sampleRate;
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delay /= 128 + nbBlocksFEC;
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m_txDelay = roundf(delay*1e6); // microseconds
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qDebug() << "DaemonSink::setTxDelay:"
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<< " " << txDelay
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<< "% m_txDelay: " << m_txDelay << "us"
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<< " m_sampleRate: " << m_sampleRate << "S/s";
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}
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void DaemonSink::setNbBlocksFEC(int nbBlocksFEC)
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{
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qDebug() << "DaemonSink::setNbBlocksFEC: nbBlocksFEC: " << nbBlocksFEC;
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m_nbBlocksFEC = nbBlocksFEC;
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}
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void DaemonSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
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{
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(void) firstOfBurst;
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SampleVector::const_iterator it = begin;
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while (it != end)
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{
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int inSamplesIndex = it - begin;
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int inRemainingSamples = end - it;
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if (m_txBlockIndex == 0)
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{
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struct timeval tv;
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SDRDaemonMetaDataFEC metaData;
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gettimeofday(&tv, 0);
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metaData.m_centerFrequency = m_centerFrequency;
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metaData.m_sampleRate = m_sampleRate;
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metaData.m_sampleBytes = (SDR_RX_SAMP_SZ <= 16 ? 2 : 4);
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metaData.m_sampleBits = SDR_RX_SAMP_SZ;
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metaData.m_nbOriginalBlocks = SDRDaemonNbOrginalBlocks;
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metaData.m_nbFECBlocks = m_nbBlocksFEC;
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metaData.m_tv_sec = tv.tv_sec;
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metaData.m_tv_usec = tv.tv_usec;
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if (!m_dataBlock) { // on the very first cycle there is no data block allocated
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m_dataBlock = new SDRDaemonDataBlock();
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}
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boost::crc_32_type crc32;
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crc32.process_bytes(&metaData, 20);
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metaData.m_crc32 = crc32.checksum();
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SDRDaemonSuperBlock& superBlock = m_dataBlock->m_superBlocks[0]; // first block
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superBlock.init();
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superBlock.m_header.m_frameIndex = m_frameCount;
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superBlock.m_header.m_blockIndex = m_txBlockIndex;
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superBlock.m_header.m_sampleBytes = (SDR_RX_SAMP_SZ <= 16 ? 2 : 4);
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superBlock.m_header.m_sampleBits = SDR_RX_SAMP_SZ;
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memcpy((void *) &superBlock.m_protectedBlock, (const void *) &metaData, sizeof(SDRDaemonMetaDataFEC));
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if (!(metaData == m_currentMetaFEC))
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{
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qDebug() << "SDRDaemonChannelSink::feed: meta: "
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<< "|" << metaData.m_centerFrequency
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<< ":" << metaData.m_sampleRate
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<< ":" << (int) (metaData.m_sampleBytes & 0xF)
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<< ":" << (int) metaData.m_sampleBits
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<< "|" << (int) metaData.m_nbOriginalBlocks
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<< ":" << (int) metaData.m_nbFECBlocks
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<< "|" << metaData.m_tv_sec
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<< ":" << metaData.m_tv_usec;
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m_currentMetaFEC = metaData;
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}
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m_txBlockIndex = 1; // next Tx block with data
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} // block zero
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// handle different sample sizes...
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int samplesPerBlock = SDRDaemonNbBytesPerBlock / (SDR_RX_SAMP_SZ <= 16 ? 4 : 8); // two I or Q samples
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if (m_sampleIndex + inRemainingSamples < samplesPerBlock) // there is still room in the current super block
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{
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memcpy((void *) &m_superBlock.m_protectedBlock.buf[m_sampleIndex*sizeof(Sample)],
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(const void *) &(*(begin+inSamplesIndex)),
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inRemainingSamples * sizeof(Sample));
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m_sampleIndex += inRemainingSamples;
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it = end; // all input samples are consumed
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}
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else // complete super block and initiate the next if not end of frame
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{
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memcpy((void *) &m_superBlock.m_protectedBlock.buf[m_sampleIndex*sizeof(Sample)],
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(const void *) &(*(begin+inSamplesIndex)),
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(samplesPerBlock - m_sampleIndex) * sizeof(Sample));
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it += samplesPerBlock - m_sampleIndex;
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m_sampleIndex = 0;
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m_superBlock.m_header.m_frameIndex = m_frameCount;
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m_superBlock.m_header.m_blockIndex = m_txBlockIndex;
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m_superBlock.m_header.m_sampleBytes = (SDR_RX_SAMP_SZ <= 16 ? 2 : 4);
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m_superBlock.m_header.m_sampleBits = SDR_RX_SAMP_SZ;
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m_dataBlock->m_superBlocks[m_txBlockIndex] = m_superBlock;
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if (m_txBlockIndex == SDRDaemonNbOrginalBlocks - 1) // frame complete
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{
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m_dataBlockMutex.lock();
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m_dataBlock->m_txControlBlock.m_frameIndex = m_frameCount;
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m_dataBlock->m_txControlBlock.m_processed = false;
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m_dataBlock->m_txControlBlock.m_complete = true;
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m_dataBlock->m_txControlBlock.m_nbBlocksFEC = m_nbBlocksFEC;
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m_dataBlock->m_txControlBlock.m_txDelay = m_txDelay;
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m_dataBlock->m_txControlBlock.m_dataAddress = m_dataAddress;
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m_dataBlock->m_txControlBlock.m_dataPort = m_dataPort;
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emit dataBlockAvailable(m_dataBlock);
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m_dataBlock = new SDRDaemonDataBlock(); // create a new one immediately
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m_dataBlockMutex.unlock();
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m_txBlockIndex = 0;
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m_frameCount++;
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}
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else
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{
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m_txBlockIndex++;
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}
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}
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}
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}
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void DaemonSink::start()
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{
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qDebug("DaemonSink::start");
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memset((void *) &m_currentMetaFEC, 0, sizeof(SDRDaemonMetaDataFEC));
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if (m_running) {
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stop();
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}
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m_sinkThread = new DaemonSinkThread();
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connect(this,
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SIGNAL(dataBlockAvailable(SDRDaemonDataBlock *)),
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m_sinkThread,
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SLOT(processDataBlock(SDRDaemonDataBlock *)),
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Qt::QueuedConnection);
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m_sinkThread->startStop(true);
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m_running = true;
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}
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void DaemonSink::stop()
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{
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qDebug("DaemonSink::stop");
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if (m_sinkThread != 0)
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{
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m_sinkThread->startStop(false);
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m_sinkThread->deleteLater();
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m_sinkThread = 0;
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}
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m_running = false;
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}
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bool DaemonSink::handleMessage(const Message& cmd)
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{
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(void) cmd;
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if (DownChannelizer::MsgChannelizerNotification::match(cmd))
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{
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DownChannelizer::MsgChannelizerNotification& notif = (DownChannelizer::MsgChannelizerNotification&) cmd;
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qDebug() << "DaemonSink::handleMessage: MsgChannelizerNotification:"
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<< " channelSampleRate: " << notif.getSampleRate()
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<< " offsetFrequency: " << notif.getFrequencyOffset();
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if (notif.getSampleRate() > 0) {
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setSampleRate(notif.getSampleRate());
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}
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setTxDelay(m_settings.m_txDelay, m_settings.m_nbFECBlocks);
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if (m_guiMessageQueue)
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{
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MsgSampleRateNotification *msg = MsgSampleRateNotification::create(notif.getSampleRate());
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m_guiMessageQueue->push(msg);
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}
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return true;
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}
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else if (DSPSignalNotification::match(cmd))
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{
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DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
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qDebug() << "DaemonSink::handleMessage: DSPSignalNotification:"
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<< " inputSampleRate: " << notif.getSampleRate()
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<< " centerFrequency: " << notif.getCenterFrequency();
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setCenterFrequency(notif.getCenterFrequency());
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return true;
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}
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else if (MsgConfigureDaemonSink::match(cmd))
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{
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MsgConfigureDaemonSink& cfg = (MsgConfigureDaemonSink&) cmd;
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qDebug() << "DaemonSink::handleMessage: MsgConfigureDaemonSink";
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applySettings(cfg.getSettings(), cfg.getForce());
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return true;
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}
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else
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{
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return false;
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}
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}
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QByteArray DaemonSink::serialize() const
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{
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return m_settings.serialize();
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}
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bool DaemonSink::deserialize(const QByteArray& data)
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{
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(void) data;
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if (m_settings.deserialize(data))
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{
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MsgConfigureDaemonSink *msg = MsgConfigureDaemonSink::create(m_settings, true);
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m_inputMessageQueue.push(msg);
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return true;
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}
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else
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{
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m_settings.resetToDefaults();
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MsgConfigureDaemonSink *msg = MsgConfigureDaemonSink::create(m_settings, true);
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m_inputMessageQueue.push(msg);
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return false;
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}
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}
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void DaemonSink::applySettings(const DaemonSinkSettings& settings, bool force)
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{
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qDebug() << "DaemonSink::applySettings:"
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<< " m_nbFECBlocks: " << settings.m_nbFECBlocks
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<< " m_txDelay: " << settings.m_txDelay
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<< " m_dataAddress: " << settings.m_dataAddress
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<< " m_dataPort: " << settings.m_dataPort
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<< " force: " << force;
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if ((m_settings.m_nbFECBlocks != settings.m_nbFECBlocks) || force) {
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setNbBlocksFEC(settings.m_nbFECBlocks);
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setTxDelay(settings.m_txDelay, settings.m_nbFECBlocks);
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}
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if ((m_settings.m_txDelay != settings.m_txDelay) || force) {
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setTxDelay(settings.m_txDelay, settings.m_nbFECBlocks);
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}
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if ((m_settings.m_dataAddress != settings.m_dataAddress) || force) {
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m_dataAddress = settings.m_dataAddress;
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}
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if ((m_settings.m_dataPort != settings.m_dataPort) || force) {
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m_dataPort = settings.m_dataPort;
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}
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m_settings = settings;
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}
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int DaemonSink::webapiSettingsGet(
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SWGSDRangel::SWGChannelSettings& response,
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QString& errorMessage)
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{
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(void) errorMessage;
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response.setDaemonSinkSettings(new SWGSDRangel::SWGDaemonSinkSettings());
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response.getDaemonSinkSettings()->init();
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webapiFormatChannelSettings(response, m_settings);
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return 200;
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}
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int DaemonSink::webapiSettingsPutPatch(
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bool force,
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const QStringList& channelSettingsKeys,
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SWGSDRangel::SWGChannelSettings& response,
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QString& errorMessage)
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{
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(void) errorMessage;
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DaemonSinkSettings settings = m_settings;
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if (channelSettingsKeys.contains("nbFECBlocks"))
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{
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int nbFECBlocks = response.getDaemonSinkSettings()->getNbFecBlocks();
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if ((nbFECBlocks < 0) || (nbFECBlocks > 127)) {
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settings.m_nbFECBlocks = 8;
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} else {
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settings.m_nbFECBlocks = response.getDaemonSinkSettings()->getNbFecBlocks();
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}
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}
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if (channelSettingsKeys.contains("txDelay"))
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{
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int txDelay = response.getDaemonSinkSettings()->getTxDelay();
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if (txDelay < 0) {
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settings.m_txDelay = 35;
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} else {
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settings.m_txDelay = txDelay;
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}
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}
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if (channelSettingsKeys.contains("dataAddress")) {
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settings.m_dataAddress = *response.getDaemonSinkSettings()->getDataAddress();
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}
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if (channelSettingsKeys.contains("dataPort"))
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{
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int dataPort = response.getDaemonSinkSettings()->getDataPort();
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if ((dataPort < 1024) || (dataPort > 65535)) {
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settings.m_dataPort = 9090;
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} else {
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settings.m_dataPort = dataPort;
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}
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}
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if (channelSettingsKeys.contains("rgbColor")) {
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settings.m_rgbColor = response.getDaemonSinkSettings()->getRgbColor();
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}
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if (channelSettingsKeys.contains("title")) {
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settings.m_title = *response.getDaemonSinkSettings()->getTitle();
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}
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MsgConfigureDaemonSink *msg = MsgConfigureDaemonSink::create(settings, force);
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m_inputMessageQueue.push(msg);
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qDebug("DaemonSink::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
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if (m_guiMessageQueue) // forward to GUI if any
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{
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MsgConfigureDaemonSink *msgToGUI = MsgConfigureDaemonSink::create(settings, force);
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m_guiMessageQueue->push(msgToGUI);
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}
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webapiFormatChannelSettings(response, settings);
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return 200;
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}
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void DaemonSink::webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const DaemonSinkSettings& settings)
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{
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response.getDaemonSinkSettings()->setNbFecBlocks(settings.m_nbFECBlocks);
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response.getDaemonSinkSettings()->setTxDelay(settings.m_txDelay);
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if (response.getDaemonSinkSettings()->getDataAddress()) {
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*response.getDaemonSinkSettings()->getDataAddress() = settings.m_dataAddress;
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} else {
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response.getDaemonSinkSettings()->setDataAddress(new QString(settings.m_dataAddress));
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}
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response.getDaemonSinkSettings()->setDataPort(settings.m_dataPort);
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response.getDaemonSinkSettings()->setRgbColor(settings.m_rgbColor);
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if (response.getDaemonSinkSettings()->getTitle()) {
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*response.getDaemonSinkSettings()->getTitle() = settings.m_title;
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} else {
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response.getDaemonSinkSettings()->setTitle(new QString(settings.m_title));
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}
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}
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