mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-09-09 22:56:34 -04:00
189 lines
5.7 KiB
C++
189 lines
5.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Vort //
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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 <boost/endian/conversion.hpp>
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#include "util/messagequeue.h"
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#include "kiwisdrworker.h"
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MESSAGE_CLASS_DEFINITION(KiwiSDRWorker::MsgReportSampleRate, Message)
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KiwiSDRWorker::KiwiSDRWorker(SampleSinkFifo* sampleFifo) :
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QObject(),
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m_timer(this),
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m_samplesBuf(),
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m_sampleFifo(sampleFifo),
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m_centerFrequency(1450000),
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m_sampleRate(12000),
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m_inputMessageQueue(nullptr),
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m_gain(20),
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m_useAGC(true),
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m_status(0)
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{
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connect(&m_timer, SIGNAL(timeout()), this, SLOT(tick()));
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m_webSocket.setParent(this);
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connect(&m_webSocket, &QWebSocket::connected,
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this, &KiwiSDRWorker::onConnected);
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connect(&m_webSocket, &QWebSocket::binaryMessageReceived,
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this, &KiwiSDRWorker::onBinaryMessageReceived);
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connect(&m_webSocket, QOverload<QAbstractSocket::SocketError>::of(&QWebSocket::error),
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this, &KiwiSDRWorker::onSocketError);
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connect(&m_webSocket, &QWebSocket::disconnected,
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this, &KiwiSDRWorker::onDisconnected);
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}
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void KiwiSDRWorker::onConnected()
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{
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m_webSocket.sendTextMessage("SET auth t=kiwi p=#");
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}
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void KiwiSDRWorker::onDisconnected()
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{
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qDebug("KiwiSDRWorker::onDisconnected");
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m_status = 4;
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emit updateStatus(4);
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}
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void KiwiSDRWorker::onSocketError(QAbstractSocket::SocketError error)
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{
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(void) error;
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m_status = 3;
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emit updateStatus(3);
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}
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void KiwiSDRWorker::sendCenterFrequency()
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{
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if (!m_webSocket.isValid())
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return;
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QString freq = QString::number(m_centerFrequency / 1000.0, 'f', 3);
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int bw = (m_sampleRate/2) - 20;
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QString msg = QString("SET mod=iq low_cut=-%1 high_cut=%2 freq=%3").arg(bw).arg(bw).arg(freq);
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m_webSocket.sendTextMessage(msg);
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}
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void KiwiSDRWorker::sendGain()
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{
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if (!m_webSocket.isValid())
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return;
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QString msg("SET agc=");
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msg.append(m_useAGC ? "1" : "0");
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msg.append(" hang=0 thresh=-130 slope=6 decay=1000 manGain=");
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msg.append(QString::number(m_gain));
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m_webSocket.sendTextMessage(msg);
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}
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void KiwiSDRWorker::onBinaryMessageReceived(const QByteArray &message)
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{
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if (message[0] == 'M' && message[1] == 'S' && message[2] == 'G')
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{
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QStringList al = QString::fromUtf8(message).split(' ');
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if ((al.size() > 2) && al[2].startsWith("audio_rate="))
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{
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QStringList rateKeyVal = al[2].split('=');
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if (rateKeyVal.size() > 1)
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{
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bool ok;
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int sampleRate = rateKeyVal[1].toInt(&ok);
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if (ok) {
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m_sampleRate = sampleRate;
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}
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qDebug("KiwiSDRWorker::onBinaryMessageReceived: sample rate: %d", m_sampleRate);
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if (m_inputMessageQueue) {
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m_inputMessageQueue->push(MsgReportSampleRate::create(m_sampleRate));
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}
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QString msg = QString("SET AR OK in=%1 out=48000").arg(m_sampleRate);
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m_webSocket.sendTextMessage(msg);
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m_webSocket.sendTextMessage("SERVER DE CLIENT KiwiAngel SND");
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sendGain();
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sendCenterFrequency();
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m_timer.start(5000);
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m_status = 2;
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emit updateStatus(2);
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}
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}
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}
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else if (message[0] == 'S' && message[1] == 'N' && message[2] == 'D')
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{
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int dataOffset = 20;
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int sampleCount = 512;
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const int16_t* messageSamples = (const int16_t*)(message.constData() + dataOffset);
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m_samplesBuf.clear();
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for (int i = 0; i < sampleCount; i++)
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{
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m_samplesBuf.push_back(Sample(
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boost::endian::endian_reverse(messageSamples[i * 2]) << (SDR_RX_SAMP_SZ - 16),
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boost::endian::endian_reverse(messageSamples[i * 2 + 1]) << (SDR_RX_SAMP_SZ - 16)
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));
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}
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m_sampleFifo->write(m_samplesBuf.begin(), m_samplesBuf.end());
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}
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}
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void KiwiSDRWorker::onCenterFrequencyChanged(quint64 centerFrequency)
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{
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if (m_centerFrequency == centerFrequency)
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return;
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m_centerFrequency = centerFrequency;
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sendCenterFrequency();
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}
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void KiwiSDRWorker::onGainChanged(quint32 gain, bool useAGC)
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{
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if (m_gain == gain && m_useAGC == useAGC)
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return;
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m_gain = gain;
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m_useAGC = useAGC;
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sendGain();
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}
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void KiwiSDRWorker::onServerAddressChanged(QString serverAddress)
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{
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if (m_serverAddress == serverAddress) {
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return;
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}
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m_serverAddress = serverAddress;
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m_status = 1;
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emit updateStatus(1);
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QString url("ws://");
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url.append(m_serverAddress);
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url.append("/kiwi/");
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url.append(QString::number(QDateTime::currentMSecsSinceEpoch()));
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url.append("/SND");
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m_webSocket.open(QUrl(url));
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}
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void KiwiSDRWorker::tick()
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{
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m_webSocket.sendTextMessage("SET keepalive");
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}
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