2020-11-09 12:56:06 -05:00
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020 Edouard Griffiths, F4EXB //
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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 "chirpchatmodencodertty.h"
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const signed char ChirpChatModEncoderTTY::asciiToTTYLetters[128] = {
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// '\x00' '\x01' '\x02' '\x03' '\x04' '\x05' '\x06' '\x07'
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0x00, -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// '\x08' '\t' '\n' '\x0b' '\x0c' '\r' '\x0e' '\x0f'
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-1 , -1 , 0x02, -1 , -1 , 0x08, -1 , -1 ,
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// '\x10' '\x11' '\x12' '\x13' '\x14' '\x15' '\x16' '\x17'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// '\x18' '\x19' '\x1a' '\x1b' '\x1c' '\x1d' '\x1e' '\x1f'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// ' ' '!' '"' '#' '$' '%' '&' "'"
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0x04, -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// '(' ')' '*' '+' ',' '-' '.' '/'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// '0' '1' '2' '3' '4' '5' '6' '7'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// '8' '9' ':' ';' '<' '=' '>' '?'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// '@' 'A' 'B' 'C' 'D' 'E' 'F' 'G'
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-1 , 0x03, 0x19, 0x0e, 0x09, 0x01, 0x0d, 0x1a,
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// 'H' 'I' 'J' 'K' 'L' 'M' 'N' 'O'
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0x14, 0x06, 0x0b, 0x0f, 0x12, 0x1c, 0x0c, 0x18,
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// 'P' 'Q' 'R' 'S' 'T' 'U' 'V' 'W'
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0x16, 0x17, 0x0a, 0x05, 0x10, 0x07, 0x1e, 0x13,
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// 'X' 'Y' 'Z' '[' '\\' ']' '^' '_'
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0x1d, 0x15, 0x11, -1 , -1 , -1 , -1 , -1 ,
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// '`' 'a' 'b' 'c' 'd' 'e' 'f' 'g'
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-1 , 0x03, 0x19, 0x0e, 0x09, 0x01, 0x0d, 0x1a,
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// 'h' 'i' 'j' 'k' 'l' 'm' 'n' 'o'
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0x14, 0x06, 0x0b, 0x0f, 0x12, 0x1c, 0x0c, 0x18,
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// 'p' 'q' 'r' 's' 't' 'u' 'v' 'w'
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0x16, 0x17, 0x0a, 0x05, 0x10, 0x07, 0x1e, 0x13,
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// 'x' 'y' 'z' '{' '|' '}' '~' '\x7f'
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0x1d, 0x15, 0x11, -1 , -1 , -1 , -1 , -1
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};
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const signed char ChirpChatModEncoderTTY::asciiToTTYFigures[128] = {
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// '\x00' '\x01' '\x02' '\x03' '\x04' '\x05' '\x06' '\x07'
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0x00, -1 , -1 , -1 , -1 , -1 , -1 , 0x05,
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// '\x08' '\t' '\n' '\x0b' '\x0c' '\r' '\x0e' '\x0f'
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-1 , -1 , 0x02, -1 , -1 , 0x08, -1 , -1 ,
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// '\x10' '\x11' '\x12' '\x13' '\x14' '\x15' '\x16' '\x17'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// '\x18' '\x19' '\x1a' '\x1b' '\x1c' '\x1d' '\x1e' '\x1f'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// ' ' '!' '"' '#' '$' '%' '&' "'"
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0x04, 0x0d, 0x11, 0x14, 0x09, -1 , 0x1a, -1 ,
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// '(' ')' '*' '+' ',' '-' '.' '/'
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0x0f, 0x12, -1 , -1 , 0x0c, 0x03, 0x1c, 0x1d,
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// '0' '1' '2' '3' '4' '5' '6' '7'
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0x16, 0x17, 0x13, 0x01, 0x0a, 0x10, 0x15, 0x07,
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// '8' '9' ':' ';' '<' '=' '>' '?'
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0x06, 0x18, 0x0e, 0x1e, -1 , -1 , -1 , 0x19,
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// '@' 'A' 'B' 'C' 'D' 'E' 'F' 'G'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// 'H' 'I' 'J' 'K' 'L' 'M' 'N' 'O'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// 'P' 'Q' 'R' 'S' 'T' 'U' 'V' 'W'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// 'X' 'Y' 'Z' '[' '\\' ']' '^' '_'
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-1 , -1 , -1 , -1 , 0x0b, -1 , -1 , -1 ,
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// '`' 'a' 'b' 'c' 'd' 'e' 'f' 'g'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// 'h' 'i' 'j' 'k' 'l' 'm' 'n' 'o'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// 'p' 'q' 'r' 's' 't' 'u' 'v' 'w'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 ,
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// 'x' 'y' 'z' '{' '|' '}' '~' '\x7f'
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-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1
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};
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void ChirpChatModEncoderTTY::encodeString(const QString& str, std::vector<unsigned short>& symbols)
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{
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TTYState ttyState = TTYLetters;
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QByteArray asciiStr = str.toUtf8();
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QByteArray::const_iterator it = asciiStr.begin();
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for (; it != asciiStr.end(); ++it)
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{
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char asciiChar = *it & 0x7F;
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2020-11-14 19:11:16 -05:00
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int ttyLetter = asciiToTTYLetters[(int) asciiChar];
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int ttyFigure = asciiToTTYFigures[(int) asciiChar];
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2020-11-09 12:56:06 -05:00
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if (ttyLetter < 0)
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{
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if (ttyFigure >= 0)
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{
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if (ttyState != TTYFigures)
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{
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symbols.push_back(ttyFigures);
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ttyState = TTYFigures;
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}
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symbols.push_back(ttyFigure);
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} // else skip
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}
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else
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{
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if (ttyFigure >= 0)
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{
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symbols.push_back(ttyFigure); // same TTY character no state change
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}
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else
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{
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if (ttyState != TTYLetters)
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{
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symbols.push_back(ttyLetters);
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ttyState = TTYLetters;
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}
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symbols.push_back(ttyLetter);
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}
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}
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}
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}
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