+uint32_t bytebits_to_byteLSBF(uint8_t* src, size_t numbits);
+uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj);
+int DetectASKClock(uint8_t dest[], size_t size, int *clock, int maxErr);
+uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
+uint8_t detectFSKClk(uint8_t *BitStream, size_t size, uint8_t fcHigh, uint8_t fcLow);
+int DetectNRZClock(uint8_t dest[], size_t size, int clock);
+int DetectPSKClock(uint8_t dest[], size_t size, int clock);
+int DetectStrongAskClock(uint8_t dest[], size_t size, uint8_t high, uint8_t low);
+uint8_t Em410xDecode(uint8_t *BitStream, size_t *size, size_t *startIdx, uint32_t *hi, uint64_t *lo);
+int fskdemod(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t invert, uint8_t fchigh, uint8_t fclow);
+int getHiLo(uint8_t *BitStream, size_t size, int *high, int *low, uint8_t fuzzHi, uint8_t fuzzLo);
+int ManchesterEncode(uint8_t *BitStream, size_t size);
+int manrawdecode(uint8_t *BitStream, size_t *size, uint8_t invert);
+int nrzRawDemod(uint8_t *dest, size_t *size, int *clk, int *invert, int maxErr);
+uint8_t parityTest(uint32_t bits, uint8_t bitLen, uint8_t pType);
+uint8_t preambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t *size, size_t *startIdx);
+int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert);
+void psk2TOpsk1(uint8_t *BitStream, size_t size);
+void psk1TOpsk2(uint8_t *BitStream, size_t size);
+size_t removeParity(uint8_t *BitStream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen);
+
+//tag specific
+int FDXBdemodBI(uint8_t *dest, size_t *size);
+int AWIDdemodFSK(uint8_t *dest, size_t *size);
+int gProxII_Demod(uint8_t BitStream[], size_t *size);
+int HIDdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, uint32_t *lo);
+int IOdemodFSK(uint8_t *dest, size_t size);