-uint8_t manchester_decode(const uint8_t * data, const size_t len, uint8_t * dataout);
-void PrintPaddedManchester( uint8_t * bitStream, size_t len, size_t blocksize);
+void iceIIR_Butterworth(int * data, const size_t len);
+void iceSimple_Filter(int *data, const size_t len, uint8_t k);