void SimulateTagLowFrequency(int period, int ledcontrol);\r
void CmdHIDsimTAG(int hi, int lo, int ledcontrol);\r
void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol);\r
+void SimulateTagLowFrequencyBidir(int divisor, int max_bitlen);\r
\r
/// iso14443.h\r
void SimulateIso14443Tag(void);\r