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CW Keyer: interim state (1)

This commit is contained in:
f4exb 2016-12-09 01:35:49 +01:00
parent 3ed1f68253
commit 35baa46f3d
4 changed files with 971 additions and 582 deletions
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2
CMakeLists.txt
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@ -102,6 +102,7 @@ set(sdrbase_SOURCES
sdrbase/dsp/upchannelizer.cpp
sdrbase/dsp/channelmarker.cpp
sdrbase/dsp/ctcssdetector.cpp
sdrbase/dsp/cwkeyer.cpp
sdrbase/dsp/dspcommands.cpp
sdrbase/dsp/dspengine.cpp
sdrbase/dsp/dspdevicesourceengine.cpp
@ -194,6 +195,7 @@ set(sdrbase_HEADERS
sdrbase/dsp/upchannelizer.h
sdrbase/dsp/channelmarker.h
sdrbase/dsp/complex.h
sdrbase/dsp/cwkeyer.h
sdrbase/dsp/decimators.h
sdrbase/dsp/dspcommands.h
sdrbase/dsp/dspengine.h

293
sdrbase/dsp/cwkeyer.cpp Normal file
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@ -0,0 +1,293 @@
///////////////////////////////////////////////////////////////////////////////////
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#include "cwkeyer.h"
const char m_asciiToMorse[][128] = {
{-1}, // 0
{-1}, // 1
{-1}, // 2
{-1}, // 3
{-1}, // 4
{-1}, // 5
{-1}, // 6
{-1}, // 7
{-1}, // 8
{-1}, // 9
{-1}, // 10
{-1}, // 11
{-1}, // 12
{-1}, // 13
{-1}, // 14
{-1}, // 15
{-1}, // 16
{-1}, // 17
{-1}, // 18
{-1}, // 19
{-1}, // 20
{-1}, // 21
{-1}, // 22
{-1}, // 23
{-1}, // 24
{-1}, // 25
{-1}, // 26
{-1}, // 27
{-1}, // 28
{-1}, // 29
{-1}, // 30
{-1}, // 31
{-1}, // 32
{1,0,1,0,1,1,-1}, // 33 !
{0,1,0,0,1,0,-1}, // 34 "
{-1}, // 35
{-1}, // 36
{-1}, // 37
{-1}, // 38
{0,1,1,1,1,0,-1}, // 39 '
{1,0,1,1,0,1,-1}, // 40 (
{1,0,1,1,0,1,-1}, // 41 )
{-1}, // 42
{0,1,0,1,0,-1}, // 43 +
{1,1,0,0,1,1,-1}, // 44 ,
{1,0,0,0,0,1,-1}, // 45 -
{0,1,0,1,0,1,-1}, // 46 .
{1,0,0,1,0,-1}, // 47 /
{1,1,1,1,1,-1}, // 48 0
{0,1,1,1,1,-1}, // 49 1
{0,0,1,1,1,-1}, // 50 2
{0,0,0,1,1,-1}, // 51 3
{0,0,0,0,1,-1}, // 52 4
{0,0,0,0,0,-1}, // 53 5
{1,0,0,0,0,-1}, // 54 6
{1,1,0,0,0,-1}, // 55 7
{1,1,1,0,0,-1}, // 56 8
{1,1,1,1,0,-1}, // 57 9
{1,1,1,0,0,0,-1}, // 58 :
{1,0,1,0,1,0,-1}, // 59 ;
{-1}, // 60 <
{1,0,0,0,1,-1}, // 61 =
{-1}, // 62 >
{0,0,1,1,0,0,-1}, // 63 ?
{0,1,1,0,1,0,-1}, // 64 @
{0,1,-1}, // 65 A
{1,0,0,0,-1}, // 66 B
{1,0,1,0,-1}, // 67 C
{1,0,0,-1}, // 68 D
{0,-1}, // 69 E
{0,0,1,0,-1}, // 70 F
{1,1,0,-1}, // 71 G
{0,0,0,0,-1}, // 72 H
{0,0,-1}, // 73 I
{0,1,1,1,-1}, // 74 J
{1,0,1,-1}, // 75 K
{0,1,0,0,-1}, // 76 L
{1,1,-1}, // 77 M
{1,0,-1}, // 78 N
{1,1,1,-1}, // 79 O
{0,1,1,0,-1}, // 80 P
{1,1,0,1,-1}, // 81 Q
{0,1,0,-1}, // 82 R
{0,0,0,-1}, // 83 S
{1,-1}, // 84 T
{0,0,1,-1}, // 85 U
{0,0,0,1,-1}, // 86 V
{0,1,1,-1}, // 87 W
{1,0,0,1,-1}, // 88 X
{1,0,1,1,-1}, // 89 Y
{1,1,0,0,-1}, // 90 Z
{-1}, // 91 [
{-1}, // 92 \
{-1}, // 93 ]
{-1}, // 94 ^
{-1}, // 95 _
{-1}, // 96 `
{0,1,-1}, // 97 A
{1,0,0,0,-1}, // 98 B
{1,0,1,0,-1}, // 99 C
{1,0,0,-1}, // 100 D
{0,-1}, // 101 E
{0,0,1,0,-1}, // 102 F
{1,1,0,-1}, // 103 G
{0,0,0,0,-1}, // 104 H
{0,0,-1}, // 105 I
{0,1,1,1,-1}, // 106 J
{1,0,1,-1}, // 107 K
{0,1,0,0,-1}, // 108 L
{1,1,-1}, // 109 M
{1,0,-1}, // 110 N
{1,1,1,-1}, // 111 O
{0,1,1,0,-1}, // 112 P
{1,1,0,1,-1}, // 113 Q
{0,1,0,-1}, // 114 R
{0,0,0,-1}, // 115 S
{1,-1}, // 116 T
{0,0,1,-1}, // 117 U
{0,0,0,1,-1}, // 118 V
{0,1,1,-1}, // 119 W
{1,0,0,1,-1}, // 120 X
{1,0,1,1,-1}, // 121 Y
{1,1,0,0,-1}, // 122 Z
{-1}, // 123 {
{-1}, // 124 |
{-1}, // 125 }
{-1}, // 126 ~
{-1}, // 127 DEL
};
CWKeyer::CWKeyer() :
m_sampleRate(48000),
m_textPointer(0),
m_elementPointer(0),
m_elementSpace(false),
m_characterSpace(false),
m_key(false),
m_dot(false),
m_dash(false),
m_elementOn(false),
m_mode(CWKey),
m_keyState(KeySilent)
{
setWPM(13);
}
CWKeyer::~CWKeyer()
{
}
void CWKeyer::setWPM(int wpm)
{
if ((wpm > 0) && (wpm < 21))
{
m_wpm = wpm;
m_dotLength = (int) (m_sampleRate / (2.4f * wpm));
}
}
void CWKeyer::setDot(bool dotOn)
{
if (dotOn)
{
m_dash = false;
m_dot = true;
}
else
{
m_dot = false;
}
}
void CWKeyer::setDash(bool dashOn)
{
if (dashOn)
{
m_dot = false;
m_dash = true;
}
else
{
m_dash = false;
}
}
int CWKeyer::getSample()
{
if (m_mode == CWKey)
{
return m_key ? 1 : 0;
}
else if (m_mode == CWIambic)
{
switch (m_keyState)
{
case KeySilent:
if (m_dot)
{
m_keyState = KeyDot;
m_elementPointer = 0;
}
else if (m_dash)
{
m_keyState = KeyDash;
m_elementPointer = 0;
}
m_key = false;
break;
case KeyDot:
if (m_elementPointer < m_dotLength) // dot key
{
m_key = true;
m_elementPointer++;
}
else if (m_elementPointer < 2*m_dotLength) // dot silence
{
m_key = false;
m_elementPointer++;
}
else // end
{
if (m_dash)
{
m_elementPointer = 0;
m_keyState = KeyDash;
}
else if (!m_dot)
{
m_keyState = KeySilent;
}
m_elementPointer = 0;
m_key = false;
}
break;
case KeyDash:
if (m_elementPointer < 3*m_dotLength) // dash key
{
m_key = true;
m_elementPointer++;
}
else if (m_elementPointer < 4*m_dotLength) // dash silence
{
m_key = false;
m_elementPointer++;
}
else // end
{
if (m_dot)
{
m_elementPointer = 0;
m_keyState = KeyDot;
}
else if (!m_dash)
{
m_keyState = KeySilent;
}
m_elementPointer = 0;
m_key = false;
}
break;
default:
m_elementPointer = 0;
m_key = false;
break;
}
return m_key ? 1 : 0;
}
}

78
sdrbase/dsp/cwkeyer.h Normal file
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@ -0,0 +1,78 @@
///////////////////////////////////////////////////////////////////////////////////
// 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 "util/export.h"
class SDRANGEL_API CWKeyer : public QObject {
Q_OBJECT
public:
typedef enum
{
CWText,
CWKey,
CWIambic
} CWMode;
typedef enum
{
KeySilent,
KeyDot,
KeyDash
} CWKeyState;
CWKeyer();
~CWKeyer();
void setSampleRate(int sampleRate) { m_sampleRate = sampleRate; }
void setWPM(int wpm);
void setText(QString& text) { m_text = text; }
void setMode(CWMode mode) { m_mode = mode; }
void setKey(bool key) { m_key = key; };
void setDot(bool dotOn);
void setDash(bool dashOn);
int getSample();
bool eom();
private:
int m_sampleRate;
int m_wpm;
int m_dotLength; //!< dot length in samples
QString m_text;
int m_textPointer;
int m_elementPointer;
bool m_elementSpace;
bool m_characterSpace;
bool m_key;
bool m_dot;
bool m_dash;
bool m_elementOn;
CWMode m_mode;
CWKeyState m_keyState;
static const char m_asciiToMorse[][128];
};
#endif /* SDRBASE_DSP_CWKEYER_H_ */

1180
sdrbase/gui/cwkeyergui.ui
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