2023-09-06 15:21:22 +01:00
|
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
// Copyright (C) 2023 Jon Beniston, M7RCE //
|
|
|
|
|
// //
|
|
|
|
|
// 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/>. //
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
|
|
#include <QDebug>
|
|
|
|
|
|
|
|
|
|
#include "psk31.h"
|
|
|
|
|
|
|
|
|
|
// ASCII varicode encoding
|
|
|
|
|
// From http://www.aintel.bi.ehu.es/psk31.html
|
|
|
|
|
const QStringList PSK31Varicode::m_varicode = {
|
|
|
|
|
"1010101011",
|
|
|
|
|
"1011011011",
|
|
|
|
|
"1011101101",
|
|
|
|
|
"1101110111",
|
|
|
|
|
"1011101011",
|
|
|
|
|
"1101011111",
|
|
|
|
|
"1011101111",
|
|
|
|
|
"1011111101",
|
|
|
|
|
"1011111111",
|
|
|
|
|
"11101111",
|
|
|
|
|
"11101",
|
|
|
|
|
"1101101111",
|
|
|
|
|
"1011011101",
|
|
|
|
|
"11111",
|
|
|
|
|
"1101110101",
|
|
|
|
|
"1110101011",
|
|
|
|
|
"1011110111",
|
|
|
|
|
"1011110101",
|
|
|
|
|
"1110101101",
|
|
|
|
|
"1110101111",
|
|
|
|
|
"1101011011",
|
|
|
|
|
"1101101011",
|
|
|
|
|
"1101101101",
|
|
|
|
|
"1101010111",
|
|
|
|
|
"1101111011",
|
|
|
|
|
"1101111101",
|
|
|
|
|
"1110110111",
|
|
|
|
|
"1101010101",
|
|
|
|
|
"1101011101",
|
|
|
|
|
"1110111011",
|
|
|
|
|
"1011111011",
|
|
|
|
|
"1101111111",
|
|
|
|
|
"1",
|
|
|
|
|
"111111111",
|
|
|
|
|
"101011111",
|
|
|
|
|
"111110101",
|
|
|
|
|
"111011011",
|
|
|
|
|
"1011010101",
|
|
|
|
|
"1010111011",
|
|
|
|
|
"101111111",
|
|
|
|
|
"11111011",
|
|
|
|
|
"11110111",
|
|
|
|
|
"101101111",
|
|
|
|
|
"111011111",
|
|
|
|
|
"1110101",
|
|
|
|
|
"110101",
|
|
|
|
|
"1010111",
|
|
|
|
|
"110101111",
|
|
|
|
|
"10110111",
|
|
|
|
|
"10111101",
|
|
|
|
|
"11101101",
|
|
|
|
|
"11111111",
|
|
|
|
|
"101110111",
|
|
|
|
|
"101011011",
|
|
|
|
|
"101101011",
|
|
|
|
|
"110101101",
|
|
|
|
|
"110101011",
|
|
|
|
|
"110110111",
|
|
|
|
|
"11110101",
|
|
|
|
|
"110111101",
|
|
|
|
|
"111101101",
|
|
|
|
|
"1010101",
|
|
|
|
|
"111010111",
|
|
|
|
|
"1010101111",
|
|
|
|
|
"1010111101",
|
|
|
|
|
"1111101",
|
|
|
|
|
"11101011",
|
|
|
|
|
"10101101",
|
|
|
|
|
"10110101",
|
|
|
|
|
"1110111",
|
|
|
|
|
"11011011",
|
|
|
|
|
"11111101",
|
|
|
|
|
"101010101",
|
|
|
|
|
"1111111",
|
|
|
|
|
"111111101",
|
|
|
|
|
"101111101",
|
|
|
|
|
"11010111",
|
|
|
|
|
"10111011",
|
|
|
|
|
"11011101",
|
|
|
|
|
"10101011",
|
|
|
|
|
"11010101",
|
|
|
|
|
"111011101",
|
|
|
|
|
"10101111",
|
|
|
|
|
"1101111",
|
|
|
|
|
"1101101",
|
|
|
|
|
"101010111",
|
|
|
|
|
"110110101",
|
|
|
|
|
"101011101",
|
|
|
|
|
"101110101",
|
|
|
|
|
"101111011",
|
|
|
|
|
"1010101101",
|
|
|
|
|
"111110111",
|
|
|
|
|
"111101111",
|
|
|
|
|
"111111011",
|
|
|
|
|
"1010111111",
|
|
|
|
|
"101101101",
|
|
|
|
|
"1011011111",
|
|
|
|
|
"1011",
|
|
|
|
|
"1011111",
|
|
|
|
|
"101111",
|
|
|
|
|
"101101",
|
|
|
|
|
"11",
|
|
|
|
|
"111101",
|
|
|
|
|
"1011011",
|
|
|
|
|
"101011",
|
|
|
|
|
"1101",
|
|
|
|
|
"111101011",
|
|
|
|
|
"10111111",
|
|
|
|
|
"11011",
|
|
|
|
|
"111011",
|
|
|
|
|
"1111",
|
|
|
|
|
"111",
|
|
|
|
|
"111111",
|
|
|
|
|
"110111111",
|
|
|
|
|
"10101",
|
|
|
|
|
"10111",
|
|
|
|
|
"101",
|
|
|
|
|
"110111",
|
|
|
|
|
"1111011",
|
|
|
|
|
"1101011",
|
|
|
|
|
"11011111",
|
|
|
|
|
"1011101",
|
|
|
|
|
"111010101",
|
|
|
|
|
"1010110111",
|
|
|
|
|
"110111011",
|
|
|
|
|
"1010110101",
|
|
|
|
|
"1011010111",
|
|
|
|
|
"1110110101",
|
2023-09-07 09:42:36 +01:00
|
|
|
"1110111101",
|
|
|
|
|
"1110111111",
|
|
|
|
|
"1111010101",
|
|
|
|
|
"1111010111",
|
|
|
|
|
"1111011011",
|
|
|
|
|
"1111011101",
|
|
|
|
|
"1111011111",
|
|
|
|
|
"1111101011",
|
|
|
|
|
"1111101101",
|
|
|
|
|
"1111101111",
|
|
|
|
|
"1111110101",
|
|
|
|
|
"1111110111",
|
|
|
|
|
"1111111011",
|
|
|
|
|
"1111111101",
|
|
|
|
|
"1111111111",
|
|
|
|
|
"10101010101",
|
|
|
|
|
"10101010111",
|
|
|
|
|
"10101011011",
|
|
|
|
|
"10101011101",
|
|
|
|
|
"10101011111",
|
|
|
|
|
"10101101011",
|
|
|
|
|
"10101101101",
|
|
|
|
|
"10101101111",
|
|
|
|
|
"10101110101",
|
|
|
|
|
"10101110111",
|
|
|
|
|
"10101111011",
|
|
|
|
|
"10101111101",
|
|
|
|
|
"10101111111",
|
|
|
|
|
"10110101011",
|
|
|
|
|
"10110101101",
|
|
|
|
|
"10110101111",
|
|
|
|
|
"10110110101",
|
|
|
|
|
"10110110111",
|
|
|
|
|
"10110111011",
|
|
|
|
|
"10110111101",
|
|
|
|
|
"10110111111",
|
|
|
|
|
"10111010101",
|
|
|
|
|
"10111010111",
|
|
|
|
|
"10111011011",
|
|
|
|
|
"10111011101",
|
|
|
|
|
"10111011111",
|
|
|
|
|
"10111101011",
|
|
|
|
|
"10111101101",
|
|
|
|
|
"10111101111",
|
|
|
|
|
"10111110101",
|
|
|
|
|
"10111110111",
|
|
|
|
|
"10111111011",
|
|
|
|
|
"10111111101",
|
|
|
|
|
"10111111111",
|
|
|
|
|
"11010101011",
|
|
|
|
|
"11010101101",
|
|
|
|
|
"11010101111",
|
|
|
|
|
"11010110101",
|
|
|
|
|
"11010110111",
|
|
|
|
|
"11010111011",
|
|
|
|
|
"11010111101",
|
|
|
|
|
"11010111111",
|
|
|
|
|
"11011010101",
|
|
|
|
|
"11011010111",
|
|
|
|
|
"11011011011",
|
|
|
|
|
"11011011101",
|
|
|
|
|
"11011011111",
|
|
|
|
|
"11011101011",
|
|
|
|
|
"11011101101",
|
|
|
|
|
"11011101111",
|
|
|
|
|
"11011110101",
|
|
|
|
|
"11011110111",
|
|
|
|
|
"11011111011",
|
|
|
|
|
"11011111101",
|
|
|
|
|
"11011111111",
|
|
|
|
|
"11101010101",
|
|
|
|
|
"11101010111",
|
|
|
|
|
"11101011011",
|
|
|
|
|
"11101011101",
|
|
|
|
|
"11101011111",
|
|
|
|
|
"11101101011",
|
|
|
|
|
"11101101101",
|
|
|
|
|
"11101101111",
|
|
|
|
|
"11101110101",
|
|
|
|
|
"11101110111",
|
|
|
|
|
"11101111011",
|
|
|
|
|
"11101111101",
|
|
|
|
|
"11101111111",
|
|
|
|
|
"11110101011",
|
|
|
|
|
"11110101101",
|
|
|
|
|
"11110101111",
|
|
|
|
|
"11110110101",
|
|
|
|
|
"11110110111",
|
|
|
|
|
"11110111011",
|
|
|
|
|
"11110111101",
|
|
|
|
|
"11110111111",
|
|
|
|
|
"11111010101",
|
|
|
|
|
"11111010111",
|
|
|
|
|
"11111011011",
|
|
|
|
|
"11111011101",
|
|
|
|
|
"11111011111",
|
|
|
|
|
"11111101011",
|
|
|
|
|
"11111101101",
|
|
|
|
|
"11111101111",
|
|
|
|
|
"11111110101",
|
|
|
|
|
"11111110111",
|
|
|
|
|
"11111111011",
|
|
|
|
|
"11111111101",
|
|
|
|
|
"11111111111",
|
|
|
|
|
"101010101011",
|
|
|
|
|
"101010101101",
|
|
|
|
|
"101010101111",
|
|
|
|
|
"101010110101",
|
|
|
|
|
"101010110111",
|
|
|
|
|
"101010111011",
|
|
|
|
|
"101010111101",
|
|
|
|
|
"101010111111",
|
|
|
|
|
"101011010101",
|
|
|
|
|
"101011010111",
|
|
|
|
|
"101011011011",
|
|
|
|
|
"101011011101",
|
|
|
|
|
"101011011111",
|
|
|
|
|
"101011101011",
|
|
|
|
|
"101011101101",
|
|
|
|
|
"101011101111",
|
|
|
|
|
"101011110101",
|
|
|
|
|
"101011110111",
|
|
|
|
|
"101011111011",
|
|
|
|
|
"101011111101",
|
|
|
|
|
"101011111111",
|
|
|
|
|
"101101010101",
|
|
|
|
|
"101101010111",
|
|
|
|
|
"101101011011"
|
2023-09-06 15:21:22 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
PSK31Encoder::PSK31Encoder()
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool PSK31Encoder::encode(QChar c, unsigned &bits, unsigned int &bitCount)
|
|
|
|
|
{
|
|
|
|
|
bits = 0;
|
|
|
|
|
bitCount = 0;
|
|
|
|
|
|
2023-09-07 09:42:36 +01:00
|
|
|
unsigned char ch = (unsigned char) c.toLatin1();
|
2023-09-06 15:21:22 +01:00
|
|
|
QString code = PSK31Varicode::m_varicode[ch];
|
|
|
|
|
|
|
|
|
|
addCode(bits, bitCount, code);
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void PSK31Encoder::addCode(unsigned& bits, unsigned int& bitCount, const QString& code) const
|
|
|
|
|
{
|
|
|
|
|
int codeBits = 0;
|
|
|
|
|
unsigned int codeLen = code.size();
|
|
|
|
|
|
2023-09-06 15:48:52 +01:00
|
|
|
for (unsigned int i = 0; i < codeLen; i++) {
|
2023-09-23 21:31:25 +01:00
|
|
|
codeBits |= (code[i] == '1' ? 1 : 0) << i;
|
2023-09-06 15:21:22 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
addStartBits(bits, bitCount);
|
|
|
|
|
addBits(bits, bitCount, codeBits, codeLen);
|
|
|
|
|
addStopBits(bits, bitCount);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void PSK31Encoder::addStartBits(unsigned& bits, unsigned int& bitCount) const
|
|
|
|
|
{
|
|
|
|
|
// Start bit is 0
|
|
|
|
|
addBits(bits, bitCount, 0, 1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void PSK31Encoder::addStopBits(unsigned& bits, unsigned int& bitCount) const
|
|
|
|
|
{
|
2023-09-07 09:42:36 +01:00
|
|
|
// Stop bit is 0
|
2023-09-06 15:21:22 +01:00
|
|
|
addBits(bits, bitCount, 0, 1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void PSK31Encoder::addBits(unsigned& bits, unsigned int& bitCount, int data, int count) const
|
|
|
|
|
{
|
|
|
|
|
bits |= data << bitCount;
|
|
|
|
|
bitCount += count;
|
|
|
|
|
}
|
