-void TransmitTo15693Reader(const uint8_t *cmd, size_t len, uint32_t start_time, bool slow);
-void SnoopIso15693(void);
+void TransmitTo15693Tag(const uint8_t *cmd, int len, uint32_t *start_time);
+int GetIso15693AnswerFromTag(uint8_t* response, uint16_t max_len, uint16_t timeout, uint32_t *eof_time);
+void SnoopIso15693(uint8_t jam_search_len, uint8_t *jam_search_string);