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Fixed M17 to be compatible with the latest protocol speciication.

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This commit is contained in:
Jonathan Naylor
2021-03-25 21:07:44 +00:00
parent 69a4fdd23c
commit dbf771d80c
25 changed files with 481 additions and 390 deletions
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15
M17Utils.cpp
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2020 by Jonathan Naylor G4KLX
* Copyright (C) 2020,2021 by Jonathan Naylor G4KLX
*
* 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
@@ -60,12 +60,13 @@ void CM17Utils::decodeCallsign(const unsigned char* encoded, std::string& callsi
callsign.clear();
uint64_t enc = (uint64_t(encoded[0U]) << 40) +
(uint64_t(encoded[1U]) << 32) +
(uint64_t(encoded[2U]) << 24) +
(uint64_t(encoded[3U]) << 16) +
(uint64_t(encoded[4U]) << 8) +
(uint64_t(encoded[5U]) << 0);
uint64_t enc =
(uint64_t(encoded[0U]) << 40) +
(uint64_t(encoded[1U]) << 32) +
(uint64_t(encoded[2U]) << 24) +
(uint64_t(encoded[3U]) << 16) +
(uint64_t(encoded[4U]) << 8) +
(uint64_t(encoded[5U]) << 0);
if (enc >= 262144000000000ULL) // 40^9
return;