-extern byte_t oddparity (const byte_t bt);
-extern uint32_t GetParity(const uint8_t * pbtCmd, int iLen);
-extern void AppendCrc14443a(uint8_t* data, int len);
+extern void GetParity(const uint8_t *pbtCmd, uint16_t len, uint8_t *par);
+extern void AppendCrc14443a(uint8_t *data, int len);
+
+extern void ReaderTransmit(uint8_t *frame, uint16_t len, uint32_t *timing);
+extern void ReaderTransmitBitsPar(uint8_t *frame, uint16_t bits, uint8_t *par, uint32_t *timing);
+extern void ReaderTransmitPar(uint8_t *frame, uint16_t len, uint8_t *par, uint32_t *timing);
+extern int ReaderReceive(uint8_t *receivedAnswer, uint8_t *par);
+
+extern void iso14443a_setup(uint8_t fpga_minor_mode);
+extern int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, void *data);
+extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr, bool anticollision, uint8_t num_cascades);
+extern void iso14a_set_trigger(bool enable);