Changed project structure

decoder_modules/m17_decoder/src/lsf_decode.h

@@ -0,0 +1,42 @@
+#pragma once
+#include <string>
+#include <stdint.h>
+
+enum M17DataType {
+    M17_DATATYPE_UNKNOWN    = 0b00,
+    M17_DATATYPE_DATA       = 0b01,
+    M17_DATATYPE_VOICE      = 0b10,
+    M17_DATATYPE_DATA_VOICE = 0b11
+};
+
+enum M17EncryptionType {
+    M17_ENCRYPTION_NONE     = 0b00,
+    M17_ENCRYPTION_AES      = 0b01,
+    M17_ENCRYPTION_SCRAMBLE = 0b10,
+    M17_ENCRYPTION_UNKNOWN  = 0b11
+};
+
+extern const char* M17DataTypesTxt[4];
+extern const char* M17EncryptionTypesTxt[4];
+
+struct M17LSF {
+    uint64_t rawDst;
+    uint64_t rawSrc;
+    uint16_t rawType;
+    uint8_t meta[14];
+    uint16_t rawCRC;
+
+    std::string dst;
+    std::string src;
+    bool isStream;
+    M17DataType dataType;
+    M17EncryptionType encryptionType;
+    uint8_t encryptionSubType;
+    uint8_t channelAccessNum;
+
+    bool valid;
+};
+
+bool M17CheckCRC(uint8_t* data, int len);
+
+M17LSF M17DecodeLSF(uint8_t* _lsf);