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Clean up the M17 synchronisation logic.

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This commit is contained in:
Jonathan Naylor
2021-01-02 12:24:11 +00:00
parent bada4d9285
commit 7e919b12f7
3 changed files with 30 additions and 38 deletions
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M17RX.h
+3 -3
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@@ -27,7 +27,7 @@
enum M17RX_STATE {
M17RXS_NONE,
M17RXS_HEADER,
M17RXS_LINK_SETUP,
M17RXS_STREAM,
M17RXS_PACKET
};
@@ -64,10 +64,10 @@ private:
uint16_t m_rssiCount;
void processNone(q15_t sample);
void processHeader(q15_t sample);
void processLinkSetup(q15_t sample);
void processStream(q15_t sample);
void processPacket(q15_t sample);
bool correlateSync(uint8_t syncSymbols, const int8_t* syncSymbolValues, const uint8_t* syncBytes);
bool correlateSync(uint8_t syncSymbols, const int8_t* syncSymbolValues, const uint8_t* syncBytes, uint8_t maxSymbolErrs, uint8_t maxBitErrs);
void calculateLevels(uint16_t start, uint16_t count);
void samplesToBits(uint16_t start, uint16_t count, uint8_t* buffer, uint16_t offset, q15_t centre, q15_t threshold);
void writeRSSIHeader(uint8_t* data);