Morse Decoder: initial commit

2026-06-05 15:34:57 -04:00 · 2024-05-15 11:38:25 +02:00
parent 0714e5dba5
commit 4387f54f0d
18 changed files with 2698 additions and 1 deletions
@@ -0,0 +1,121 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2024 Edouard Griffiths, F4EXB <f4exb06@gmail.com>               //
+//                                                                               //
+// This program is free software; you can redistribute it and/or modify          //
+// it under the terms of the GNU General Public License as published by          //
+// the Free Software Foundation as version 3 of the License, or                  //
+// (at your option) any later version.                                           //
+//                                                                               //
+// This program is distributed in the hope that it will be useful,               //
+// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
+// GNU General Public License V3 for more details.                               //
+//                                                                               //
+// You should have received a copy of the GNU General Public License             //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef INCLUDE_FEATURE_MORSEDECODERWORKER_H_
+#define INCLUDE_FEATURE_MORSEDECODERWORKER_H_
+
+#include <vector>
+
+#include <QObject>
+#include <QRecursiveMutex>
+#include <QByteArray>
+
+#include "dsp/dsptypes.h"
+#include "dsp/datafifo.h"
+#include "util/message.h"
+#include "util/messagequeue.h"
+
+#include "morsedecodersettings.h"
+
+
+class MorseDecoderWorker : public QObject {
+    Q_OBJECT
+public:
+    class MsgConfigureMorseDecoderWorker : public Message {
+        MESSAGE_CLASS_DECLARATION
+
+    public:
+        const MorseDecoderSettings& getSettings() const { return m_settings; }
+        const QList<QString>& getSettingsKeys() const { return m_settingsKeys; }
+        bool getForce() const { return m_force; }
+
+        static MsgConfigureMorseDecoderWorker* create(const MorseDecoderSettings& settings, const QList<QString>& settingsKeys, bool force)
+        {
+            return new MsgConfigureMorseDecoderWorker(settings, settingsKeys, force);
+        }
+
+    private:
+        MorseDecoderSettings m_settings;
+        QList<QString> m_settingsKeys;
+        bool m_force;
+
+        MsgConfigureMorseDecoderWorker(const MorseDecoderSettings& settings, const QList<QString>& settingsKeys, bool force) :
+            Message(),
+            m_settings(settings),
+            m_settingsKeys(settingsKeys),
+            m_force(force)
+        { }
+    };
+
+    class MsgConnectFifo : public Message {
+        MESSAGE_CLASS_DECLARATION
+
+    public:
+        DataFifo *getFifo() { return m_fifo; }
+        bool getConnect() const { return m_connect; }
+
+        static MsgConnectFifo* create(DataFifo *fifo, bool connect) {
+            return new MsgConnectFifo(fifo, connect);
+        }
+    private:
+        DataFifo *m_fifo;
+        bool m_connect;
+        MsgConnectFifo(DataFifo *fifo, bool connect) :
+            Message(),
+            m_fifo(fifo),
+            m_connect(connect)
+        { }
+    };
+
+    MorseDecoderWorker();
+	~MorseDecoderWorker();
+    void reset();
+    void startWork();
+    void stopWork();
+    MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
+    void setMessageQueueToFeature(MessageQueue *messageQueue) { m_msgQueueToFeature = messageQueue; }
+
+    void applySampleRate(int sampleRate);
+	void applySettings(const MorseDecoderSettings& settings, const QList<QString>& settingsKeys, bool force = false);
+
+private:
+    DataFifo *m_dataFifo;
+    int m_channelSampleRate;
+    int m_sinkSampleRate;
+	MessageQueue m_inputMessageQueue;  //!< Queue for asynchronous inbound communication
+    MessageQueue *m_msgQueueToFeature; //!< Queue to report channel change to main feature object
+    MorseDecoderSettings m_settings;
+	double m_magsq;
+	SampleVector m_sampleBuffer;
+    int m_sampleBufferSize;
+    int m_nbBytes;
+    QRecursiveMutex m_mutex;
+
+    void feedPart(
+        const QByteArray::const_iterator& begin,
+        const QByteArray::const_iterator& end,
+        DataFifo::DataType dataType
+    );
+
+    bool handleMessage(const Message& cmd);
+
+private slots:
+    void handleInputMessages();
+    void handleData(); //!< Handle data when samples have to be processed
+};
+
+#endif // INCLUDE_FEATURE_MORSEDECODERWORKER_H_