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sdrangel/sdrbase/dsp/cwkeyer.h

105 lines
2.9 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2016 F4EXB //
// written by Edouard Griffiths //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef SDRBASE_DSP_CWKEYER_H_
#define SDRBASE_DSP_CWKEYER_H_
#include <QObject>
#include <QMutex>
#include "util/export.h"
class SDRANGEL_API CWKeyer : public QObject {
Q_OBJECT
public:
typedef enum
{
CWNone,
CWText,
CWDots,
CWDashes
} CWMode;
typedef enum
{
KeySilent,
KeyDot,
KeyDash
} CWKeyIambicState;
typedef enum
{
TextStart,
TextStartChar,
TextStartElement,
TextElement,
TextCharSpace,
TextWordSpace,
TextEnd,
TextStop
} CWTextState;
CWKeyer();
~CWKeyer();
void resetToDefaults();
QByteArray serialize() const;
bool deserialize(const QByteArray& data);
void setSampleRate(int sampleRate);
void setWPM(int wpm);
void setText(const QString& text);
void setMode(CWMode mode);
void setLoop(bool loop) { m_loop = loop; }
int getSample();
bool eom();
void resetText() { m_textState = TextStart; }
void stopText() { m_textState = TextStop; }
private:
QMutex m_mutex;
int m_sampleRate;
int m_wpm;
int m_dotLength; //!< dot length in samples
QString m_text;
int m_textPointer;
int m_elementPointer;
int m_samplePointer;
bool m_elementSpace;
bool m_characterSpace;
bool m_key;
bool m_dot;
bool m_dash;
bool m_elementOn;
bool m_loop;
char m_asciiChar;
CWMode m_mode;
CWKeyIambicState m_keyIambicState;
CWTextState m_textState;
static const char m_asciiToMorse[128][7];
void nextStateIambic();
void nextStateText();
};
#endif /* SDRBASE_DSP_CWKEYER_H_ */