mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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033c4e9a5b
* Updated style * Updated files * fixed new line * Updated spacing * File fix WIP * Updated to clang 13 * updated comment style * Removed old comment code
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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*
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* This file is part of PortaPack.
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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; either version 2, or (at your option)
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* 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 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "lcr.hpp"
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#include "string_format.hpp"
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namespace lcr {
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std::string generate_message(std::string rgsb, std::vector<std::string> litterals, size_t option_ec) {
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const std::string ec_lut[4] = {"A", "J", "N", "S"}; // Eclairage (Auto, Jour, Nuit)
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char eom[3] = {3, 0, 0}; // EOM and space for checksum
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uint8_t i;
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std::string lcr_message{127, 127, 127, 127, 127, 127, 127, 5}; // 5/15 ? Modem sync and SOM
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char checksum = 0;
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// Pad litterals to 7 chars (not required ?)
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for (auto& litteral : litterals)
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while (litteral.length() < 7)
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litteral += ' ';
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// Compose LCR message
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lcr_message += rgsb;
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lcr_message += "PA ";
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i = 1;
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for (auto& litteral : litterals) {
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lcr_message += "AM=";
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lcr_message += to_string_dec_uint(i, 1);
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lcr_message += " AF=\"";
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lcr_message += litteral;
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lcr_message += "\" CL=0 ";
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i++;
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}
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lcr_message += "EC=";
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lcr_message += ec_lut[option_ec];
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lcr_message += " SAB=0";
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// Checksum
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i = 7; // Skip modem sync
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while (lcr_message[i])
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checksum ^= lcr_message[i++];
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checksum ^= eom[0]; // EOM char
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checksum &= 0x7F; // Trim
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eom[1] = checksum;
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lcr_message += eom;
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return lcr_message;
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}
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} /* namespace lcr */
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