mirror of
https://github.com/f4exb/sdrangel.git
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660 lines
21 KiB
C++
660 lines
21 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020 Edouard Griffiths, F4EXB //
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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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// (at your option) any later version. //
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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 "dsp/samplemififo.h"
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#include "dsp/samplemofifo.h"
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#include "metismisoudphandler.h"
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MESSAGE_CLASS_DEFINITION(MetisMISOUDPHandler::MsgStartStop, Message)
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MetisMISOUDPHandler::MetisMISOUDPHandler(SampleMIFifo *sampleMIFifo, SampleMOFifo *sampleMOFifo, DeviceAPI *deviceAPI) :
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m_deviceAPI(deviceAPI),
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m_socket(nullptr),
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m_metisAddress(QHostAddress::LocalHost),
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m_metisPort(9090),
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m_running(false),
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m_dataConnected(false),
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m_sampleMIFifo(sampleMIFifo),
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m_sampleMOFifo(sampleMOFifo),
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m_sampleCount(0),
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m_sampleTxCount(0),
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m_messageQueueToGUI(nullptr),
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m_mutex(QMutex::Recursive),
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m_commandBase(0),
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m_receiveSequence(0),
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m_receiveSequenceError(0)
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{
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setNbReceivers(m_settings.m_nbReceivers);
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for (unsigned int i = 0; i < MetisMISOSettings::m_maxReceivers; i++) {
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m_convertBuffer[i].resize(1024, Sample{0,0});
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}
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connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleMessages()));
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}
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MetisMISOUDPHandler::~MetisMISOUDPHandler()
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{
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stop();
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}
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void MetisMISOUDPHandler::start()
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{
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qDebug("MetisMISOUDPHandler::start");
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m_rxFrame = 0;
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m_txFrame = 0;
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m_sendSequence = -1;
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m_offset = 8;
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m_receiveSequence = 0;
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if (m_running) {
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return;
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}
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if (!m_dataConnected)
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{
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if (m_socket.bind(QHostAddress::AnyIPv4, 10001, QUdpSocket::ShareAddress))
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{
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qDebug("MetisMISOUDPHandler::start: bind host socket OK");
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connect(&m_socket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()));
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m_dataConnected = true;
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}
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else
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{
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qWarning("MetisMISOUDPHandler::start: cannot bind host socket");
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m_dataConnected = false;
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return;
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}
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}
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// Start Metis
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unsigned char buffer[64];
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buffer[0] = (unsigned char) 0xEF;
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buffer[1] = (unsigned char) 0XFE;
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buffer[2] = (unsigned char) 0x04;
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buffer[3] = (unsigned char) 0x01;
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std::fill(&buffer[4], &buffer[64], 0);
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if (m_socket.writeDatagram((const char*) buffer, sizeof(buffer), m_metisAddress, m_metisPort) < 0)
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{
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qDebug() << "MetisMISOUDPHandler::start: writeDatagram start command failed " << m_socket.errorString();
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return;
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}
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else
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{
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qDebug() << "MetisMISOUDPHandler::start: writeDatagram start command" << m_metisAddress.toString() << ":" << m_metisPort;
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}
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m_socket.flush();
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// send 2 frames with control data
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sendData();
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sendData(); // TODO: on the next send frequencies
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m_running = true;
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}
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void MetisMISOUDPHandler::stop()
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{
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qDebug("MetisMISOUDPHandler::stop");
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if (!m_running) {
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return;
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}
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// stop Metis
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unsigned char buffer[64];
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buffer[0] = (unsigned char) 0xEF;
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buffer[1] = (unsigned char) 0XFE;
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buffer[2] = (unsigned char) 0x04;
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buffer[3] = (unsigned char) 0x00;
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std::fill(&buffer[4], &buffer[64], 0);
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if (m_dataConnected)
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{
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disconnect(&m_socket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()));
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m_dataConnected = false;
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}
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if (m_socket.writeDatagram((const char*)buffer, sizeof(buffer), m_metisAddress,m_metisPort) < 0)
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{
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qDebug() << "MetisMISOUDPHandler::stop: writeDatagram failed " << m_socket.errorString();
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return;
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}
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else
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{
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qDebug()<<"MetisMISOUDPHandler::stop: writeDatagram stop command" << m_metisAddress.toString() << ":" << m_metisPort;
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}
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m_socket.flush();
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m_socket.close();
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m_running = false;
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}
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void MetisMISOUDPHandler::setNbReceivers(unsigned int nbReceivers)
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{
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m_nbReceivers = nbReceivers;
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switch(m_nbReceivers)
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{
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case 1: m_bMax = 512-0; break;
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case 2: m_bMax = 512-0; break;
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case 3: m_bMax = 512-4; break;
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case 4: m_bMax = 512-10; break;
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case 5: m_bMax = 512-24; break;
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case 6: m_bMax = 512-10; break;
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case 7: m_bMax = 512-20; break;
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case 8: m_bMax = 512-4; break;
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}
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for (unsigned int i = 0; i < MetisMISOSettings::m_maxReceivers; i++) {
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m_convertBuffer[i].resize(1024, Sample{0,0});
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}
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}
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void MetisMISOUDPHandler::applySettings(const MetisMISOSettings& settings)
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{
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if (m_settings.m_nbReceivers != settings.m_nbReceivers)
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{
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QMutexLocker mutexLocker(&m_mutex);
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int nbReceivers = settings.m_nbReceivers < 1 ?
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1 : settings.m_nbReceivers > MetisMISOSettings::m_maxReceivers ?
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MetisMISOSettings::m_maxReceivers : settings.m_nbReceivers;
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setNbReceivers(nbReceivers);
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}
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if (m_settings.m_log2Decim != settings.m_log2Decim)
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{
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QMutexLocker mutexLocker(&m_mutex);
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m_decimators.resetCounters();
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}
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m_settings = settings;
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}
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void MetisMISOUDPHandler::handleMessages()
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{
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Message* message;
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while ((message = m_inputMessageQueue.pop()) != 0)
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{
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if (handleMessage(*message)) {
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delete message;
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}
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}
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}
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bool MetisMISOUDPHandler::handleMessage(const Message& message)
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{
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if (MsgStartStop::match(message))
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{
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const MsgStartStop& cmd = (const MsgStartStop&) message;
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if (cmd.getStartStop()) {
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start();
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} else {
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stop();
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}
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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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void MetisMISOUDPHandler::sendMetisBuffer(int ep, unsigned char* buffer)
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{
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if (m_offset == 8) // header and first HPSDR frame
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{
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m_sendSequence++;
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m_outputBuffer[0] = 0xEF;
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m_outputBuffer[1] = 0xFE;
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m_outputBuffer[2] = 0x01;
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m_outputBuffer[3] = ep;
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m_outputBuffer[4] = (m_sendSequence>>24) & 0xFF;
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m_outputBuffer[5] = (m_sendSequence>>16) & 0xFF;
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m_outputBuffer[6] = (m_sendSequence>>8) & 0xFF;
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m_outputBuffer[7] = (m_sendSequence) & 0xFF;
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std::copy(buffer, buffer+512, &m_outputBuffer[m_offset]); // copy the buffer over
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m_offset = 520;
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}
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else // second HPSDR frame and send
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{
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std::copy(buffer, buffer+512, &m_outputBuffer[m_offset]); // copy the buffer over
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m_offset = 8;
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// send the buffer
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if (m_socket.writeDatagram((const char*) m_outputBuffer, sizeof(m_outputBuffer), m_metisAddress, m_metisPort) < 0)
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{
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qDebug() << "MetisMISOUDPHandler::sendMetisBuffer: writeDatagram failed " << m_socket.errorString();
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return;
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}
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m_socket.flush();
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}
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}
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void MetisMISOUDPHandler::dataReadyRead()
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{
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QHostAddress metisAddress;
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quint16 metisPort;
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unsigned char receiveBuffer[1032];
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qint64 length;
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unsigned long sequence;
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if ((length = m_socket.readDatagram((char*) &receiveBuffer, (qint64) sizeof(receiveBuffer), &metisAddress, &metisPort)) != 1032)
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{
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qDebug() << "MetisMISOUDPHandler::dataReadyRead: readDatagram failed " << m_socket.errorString();
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return;
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}
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if (receiveBuffer[0] == 0xEF && receiveBuffer[1] == 0xFE)
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{
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// valid frame
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switch(receiveBuffer[2])
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{
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case 1: // IQ data
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switch (receiveBuffer[3])
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{
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case 4: // EP4 data
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break;
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case 6: // EP6 data
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sequence = ((receiveBuffer[4] & 0xFF)<<24) + ((receiveBuffer[5] & 0xFF)<<16) + ((receiveBuffer[6] & 0xFF)<<8) +(receiveBuffer[7] & 0xFF);
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if (m_receiveSequence == 0)
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{
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m_receiveSequence = sequence;
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}
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else
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{
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m_receiveSequence++;
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if (m_receiveSequence != sequence)
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{
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//qDebug()<<"Sequence error: expected "<<receive_sequence<<" got "<<sequence;
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m_receiveSequence = sequence;
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m_receiveSequenceError++;
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}
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}
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processIQBuffer(&receiveBuffer[8]);
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processIQBuffer(&receiveBuffer[520]);
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break;
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default:
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qDebug() << "MetisMISOUDPHandler::dataReadyRead: invalid EP" << receiveBuffer[3];
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break;
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}
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break;
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default:
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qDebug() << "MetisMISOUDPHandler::dataReadyRead: expected data packet (1) got " << receiveBuffer[2];
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break;
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}
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}
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else
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{
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qDebug() << "MetisMISOUDPHandler::dataReadyRead: expected EFFE";
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}
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}
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void MetisMISOUDPHandler::sendData(bool nullPayload)
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{
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unsigned char buffer[512];
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if ((m_settings.m_sampleRateIndex == 0) || (m_txFrame % (1<<m_settings.m_sampleRateIndex) == 0))
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{
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int commandIndex = 2*m_commandBase; // command rotation
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buffer[0] = (unsigned char) 0x7F;
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buffer[1] = (unsigned char) 0x7F;
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buffer[2] = (unsigned char) 0x7F;
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buffer[3] = commandIndex + (m_settings.m_txEnable ? 1 : 0); // C0
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int commandValue = getCommandValue(commandIndex);
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buffer[4]= commandValue>>24; // C1
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buffer[5]= (commandValue>>16) & 0xFF; // C2
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buffer[6]= (commandValue>>8) & 0xFF; // C3
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buffer[7]= commandValue & 0xFF; // C4
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if (m_commandBase < 18) { // base count 0 to 18
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m_commandBase++;
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} else {
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m_commandBase = 0;
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}
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if (nullPayload)
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{
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std::fill(&buffer[8], &buffer[512], 0);
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}
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else
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{
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unsigned int iPart1Begin, iPart1End, iPart2Begin, iPart2End;
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int bufferIndex = 8;
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m_sampleMOFifo->readSync(63, iPart1Begin, iPart1End, iPart2Begin, iPart2End);
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if (iPart1Begin != iPart1End) {
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fillBuffer(buffer, bufferIndex, iPart1Begin, iPart1End);
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}
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if (iPart2Begin != iPart2End) {
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fillBuffer(buffer, bufferIndex, iPart2Begin, iPart2End);
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}
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}
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sendMetisBuffer(2, buffer);
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}
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m_txFrame++;
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}
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void MetisMISOUDPHandler::fillBuffer(unsigned char *buffer, int& bufferIndex, int iBegin, int iEnd)
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{
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SampleVector::iterator it = m_sampleMOFifo->getData(0).begin() + iBegin;
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const SampleVector::iterator itEnd = m_sampleMOFifo->getData(0).begin() + iEnd;
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for (; it != itEnd; ++it)
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{
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std::fill(&buffer[bufferIndex], &buffer[bufferIndex+4], 0); // Fill <L1><L0><R1><R0> with zeros
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bufferIndex += 4;
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buffer[bufferIndex++] = it->imag() >> 8;
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buffer[bufferIndex++] = it->imag() & 0xFF;
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buffer[bufferIndex++] = it->real() >> 8;
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buffer[bufferIndex++] = it->real() & 0xFF;
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}
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}
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int MetisMISOUDPHandler::getCommandValue(int commandIndex)
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{
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int c1 = 0, c3 = 0, c4 = 0;
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if (commandIndex == 0)
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{
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c1 = m_settings.m_sampleRateIndex & 0x03;
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c3 = m_settings.m_preamp ? 0x04 : 0;
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c3 += m_settings.m_dither ? 0x08 : 0;
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c3 += m_settings.m_random ? 0x10 : 0;
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c4 = m_settings.m_duplex ? 0x04 : 0;
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c4 += (((m_nbReceivers-1) & 0x07)<<3);
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return (c1<<24) + (c3<<8) + c4;
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}
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else if (commandIndex == 2)
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{
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return getTxCenterFrequency();
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}
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else if (commandIndex == 4)
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{
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return getRxCenterFrequency(0);
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}
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else if (commandIndex == 6)
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{
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return getRxCenterFrequency(1);
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}
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else if (commandIndex == 8)
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{
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return getRxCenterFrequency(2);
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}
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else if (commandIndex == 10)
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{
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return getRxCenterFrequency(3);
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}
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else if (commandIndex == 12)
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{
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return getRxCenterFrequency(4);
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}
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else if (commandIndex == 14)
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{
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return getRxCenterFrequency(5);
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}
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else if (commandIndex == 16)
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{
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return getRxCenterFrequency(6);
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}
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else if (commandIndex == 18)
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{
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c1 = (m_settings.m_txDrive & 0x0F) << 4;
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return (c1<<24) + (c3<<8) + c4;
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}
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else if (commandIndex == 36)
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{
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return getRxCenterFrequency(7);
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}
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else
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{
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return 0;
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}
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}
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quint64 MetisMISOUDPHandler::getRxCenterFrequency(int index)
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{
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qint64 deviceCenterFrequency;
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qint64 loHalfFrequency = 61440000LL - ((m_settings.m_LOppmTenths * 122880000LL) / 20000000LL);
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qint64 requiredRxFrequency = m_settings.m_rxCenterFrequencies[index]
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- (m_settings.m_rxTransverterMode ? m_settings.m_rxTransverterDeltaFrequency : 0);
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requiredRxFrequency = requiredRxFrequency < 0 ? 0 : requiredRxFrequency;
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if (m_settings.m_rxSubsamplingIndexes[index] % 2 == 0) {
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deviceCenterFrequency = requiredRxFrequency - m_settings.m_rxSubsamplingIndexes[index]*loHalfFrequency;
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} else {
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deviceCenterFrequency = (m_settings.m_rxSubsamplingIndexes[index] + 1)*loHalfFrequency - requiredRxFrequency;
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}
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qint64 df = ((qint64)deviceCenterFrequency * m_settings.m_LOppmTenths) / 10000000LL;
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deviceCenterFrequency += df;
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return deviceCenterFrequency < 0 ? 0 : deviceCenterFrequency > 61440000 ? 61440000 : deviceCenterFrequency;
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}
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quint64 MetisMISOUDPHandler::getTxCenterFrequency()
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{
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qint64 requiredTxFrequency = m_settings.m_txCenterFrequency
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- (m_settings.m_txTransverterMode ? m_settings.m_txTransverterDeltaFrequency : 0);
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requiredTxFrequency = requiredTxFrequency < 0 ? 0 : requiredTxFrequency;
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return requiredTxFrequency;
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}
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bool MetisMISOUDPHandler::getRxIQInversion(int index)
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{
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return ((m_settings.m_rxSubsamplingIndexes[index] % 2) == 1) ^ !m_settings.m_iqOrder;
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}
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void MetisMISOUDPHandler::processIQBuffer(unsigned char* buffer)
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{
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int b = 0;
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unsigned int r;
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int sampleI, sampleQ, sampleMic;
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if (buffer[b++]==0x7F && buffer[b++]==0x7F && buffer[b++]==0x7F)
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{
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QMutexLocker mutexLocker(&m_mutex);
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// extract control bytes
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m_controlIn[0] = buffer[b++];
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m_controlIn[1] = buffer[b++];
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m_controlIn[2] = buffer[b++];
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m_controlIn[3] = buffer[b++];
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m_controlIn[4] = buffer[b++];
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// extract PTT, DOT and DASH
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m_ptt = (m_controlIn[0] & 0x01) == 0x01;
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m_dash = (m_controlIn[0] & 0x02) == 0x02;
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m_dot = (m_controlIn[0] & 0x04) == 0x04;
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switch((m_controlIn[0]>>3) & 0x1F)
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{
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case 0:
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m_lt2208ADCOverflow = m_controlIn[1] & 0x01;
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m_IO1 = (m_controlIn[1] & 0x02) ? 0 : 1;
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m_IO2 = (m_controlIn[1] & 0x04) ? 0 : 1;
|
|
m_IO3 = (m_controlIn[1] & 0x08) ? 0 : 1;
|
|
// {
|
|
// int nbRx = (m_controlIn[4]>>3) & 0x07;
|
|
// nbRx++;
|
|
// qDebug("MetisMISOUDPHandler::processIQBuffer: nbRx: %d", nbRx);
|
|
// }
|
|
if (m_mercurySoftwareVersion != m_controlIn[2])
|
|
{
|
|
m_mercurySoftwareVersion = m_controlIn[2];
|
|
qDebug("MetisMISOUDPHandler::processIQBuffer: Mercury Software version: %d (0x%0X)",
|
|
m_mercurySoftwareVersion, m_mercurySoftwareVersion);
|
|
}
|
|
|
|
if (m_penelopeSoftwareVersion != m_controlIn[3])
|
|
{
|
|
m_penelopeSoftwareVersion = m_controlIn[3];
|
|
qDebug("MetisMISOUDPHandler::processIQBuffer: Penelope Software version: %d (0x%0X)",
|
|
m_penelopeSoftwareVersion, m_penelopeSoftwareVersion);
|
|
}
|
|
|
|
if (m_ozySoftwareVersion != m_controlIn[4])
|
|
{
|
|
m_ozySoftwareVersion = m_controlIn[4];
|
|
qDebug("MetisMISOUDPHandler::processIQBuffer: Ozy Software version: %d (0x%0X)",
|
|
m_ozySoftwareVersion, m_ozySoftwareVersion);
|
|
}
|
|
break;
|
|
|
|
case 1:
|
|
m_forwardPower = (m_controlIn[1]<<8) + m_controlIn[2]; // from Penelope or Hermes
|
|
m_alexForwardPower = (m_controlIn[3]<<8) + m_controlIn[4]; // from Alex or Apollo
|
|
break;
|
|
|
|
case 2:
|
|
m_alexForwardPower = (m_controlIn[1]<<8) + m_controlIn[2]; // from Alex or Apollo
|
|
m_AIN3 = (m_controlIn[3]<<8) + m_controlIn[4]; // from Pennelope or Hermes
|
|
break;
|
|
|
|
case 3:
|
|
m_AIN4 = (m_controlIn[1]<<8) + m_controlIn[2]; // from Pennelope or Hermes
|
|
m_AIN6 = (m_controlIn[3]<<8) + m_controlIn[4]; // from Pennelope or Hermes
|
|
break;
|
|
}
|
|
|
|
// extract the samples
|
|
while (b < m_bMax)
|
|
{
|
|
int samplesAdded = 0;
|
|
|
|
// extract each of the receivers
|
|
for (r = 0; r < m_nbReceivers; r++)
|
|
{
|
|
if (SDR_RX_SAMP_SZ == 16)
|
|
{
|
|
sampleQ = (int)((signed char)buffer[b++]) << 8;
|
|
sampleQ += (int)((unsigned char)buffer[b++]);
|
|
b++;
|
|
sampleI = (int)((signed char)buffer[b++]) << 8;
|
|
sampleI += (int)((unsigned char)buffer[b++]);
|
|
b++;
|
|
}
|
|
else
|
|
{
|
|
sampleQ = (int)((signed char)buffer[b++]) << 16;
|
|
sampleQ += (int)((unsigned char)buffer[b++]) << 8;
|
|
sampleQ += (int)((unsigned char)buffer[b++]);
|
|
sampleI = (int)((signed char)buffer[b++]) << 16;
|
|
sampleI += (int)((unsigned char)buffer[b++]) << 8;
|
|
sampleI += (int)((unsigned char)buffer[b++]);
|
|
}
|
|
|
|
if (r < MetisMISOSettings::m_maxReceivers)
|
|
{
|
|
if (m_settings.m_log2Decim == 0) // no decimation - direct conversion
|
|
{
|
|
m_convertBuffer[r][m_sampleCount] = getRxIQInversion(r)
|
|
? Sample{(FixReal) sampleQ, (FixReal) sampleI}
|
|
: Sample{(FixReal) sampleI, (FixReal) sampleQ};
|
|
samplesAdded = 1;
|
|
}
|
|
else
|
|
{
|
|
SampleVector v(2, Sample{0, 0});
|
|
|
|
switch (m_settings.m_log2Decim)
|
|
{
|
|
case 1:
|
|
samplesAdded = getRxIQInversion(r) ?
|
|
m_decimators.decimate2(sampleQ, sampleI, v, r) : m_decimators.decimate2(sampleI, sampleQ, v, r);
|
|
break;
|
|
case 2:
|
|
samplesAdded = getRxIQInversion(r) ?
|
|
m_decimators.decimate4(sampleQ, sampleI, v, r) : m_decimators.decimate4(sampleI, sampleQ, v, r);
|
|
break;
|
|
case 3:
|
|
samplesAdded = getRxIQInversion(r) ?
|
|
m_decimators.decimate8(sampleQ, sampleI, v, r) : m_decimators.decimate8(sampleI, sampleQ, v, r);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (samplesAdded != 0)
|
|
{
|
|
std::copy(
|
|
v.begin(),
|
|
v.begin() + samplesAdded,
|
|
&m_convertBuffer[r][m_sampleCount]
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sampleMic = (int)((signed char) buffer[b++]) << 8;
|
|
sampleMic += (int)((unsigned char)buffer[b++]);
|
|
m_sampleTxCount++;
|
|
|
|
if (m_sampleTxCount >= 63) // 63 samples per 512 byte Tx block
|
|
{
|
|
sendData(!m_settings.m_txEnable); // synchronous sending of a Tx frame
|
|
m_sampleTxCount = 0;
|
|
}
|
|
|
|
if (samplesAdded != 0)
|
|
{
|
|
m_sampleCount += samplesAdded;
|
|
|
|
if (m_sampleCount >= 1024)
|
|
{
|
|
std::vector<SampleVector::const_iterator> vbegin;
|
|
|
|
for (unsigned int channel = 0; channel < MetisMISOSettings::m_maxReceivers; channel++) {
|
|
vbegin.push_back(m_convertBuffer[channel].begin());
|
|
}
|
|
|
|
m_sampleMIFifo->writeSync(vbegin, 1024);
|
|
m_sampleCount = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qDebug()<<"MetisMISOUDPHandler::processIQBuffer: SYNC Error";
|
|
}
|
|
|
|
m_rxFrame++;
|
|
}
|