+#include "mifaresniff.h"
+
+// mifare reader over DMA buffer (SnoopIso14443a())!!!
+#define MIFARE_BUFF_OFFSET 3560 // \/ \/ \/
+// card emulator memory
+#define EML_RESPONSES 4000
+#define CARD_MEMORY 6000
+#define CARD_MEMORY_LEN 4096
+
+typedef struct {
+ enum {
+ DEMOD_UNSYNCD,
+ // DEMOD_HALF_SYNCD,
+ // DEMOD_MOD_FIRST_HALF,
+ // DEMOD_NOMOD_FIRST_HALF,
+ DEMOD_MANCHESTER_DATA
+ } state;
+ uint16_t twoBits;
+ uint16_t highCnt;
+ uint16_t bitCount;
+ uint16_t collisionPos;
+ uint16_t syncBit;
+ uint32_t parityBits;
+ uint16_t shiftReg;
+ uint16_t samples;
+ uint16_t len;
+ uint32_t startTime, endTime;
+ uint8_t *output;
+} tDemod;
+
+typedef enum {
+ MOD_NOMOD = 0,
+ MOD_SECOND_HALF,
+ MOD_FIRST_HALF,
+ MOD_BOTH_HALVES
+ } Modulation_t;
+
+typedef struct {
+ enum {
+ STATE_UNSYNCD,
+ STATE_START_OF_COMMUNICATION,
+ STATE_MILLER_X,
+ STATE_MILLER_Y,
+ STATE_MILLER_Z,
+ // DROP_NONE,
+ // DROP_FIRST_HALF,
+ } state;
+ uint16_t shiftReg;
+ uint16_t bitCount;
+ uint16_t len;
+ uint16_t byteCntMax;
+ uint16_t posCnt;
+ uint16_t syncBit;
+ uint32_t parityBits;
+ uint16_t highCnt;
+ uint16_t twoBits;
+ uint32_t startTime, endTime;
+ uint8_t *output;
+} tUart;
+
+
+
+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 ReaderTransmit(uint8_t *frame, int len, uint32_t *timing);
+extern void ReaderTransmitBitsPar(uint8_t *frame, int bits, uint32_t par, uint32_t *timing);
+extern void ReaderTransmitPar(uint8_t *frame, int len, uint32_t par, uint32_t *timing);
+extern int ReaderReceive(uint8_t *receivedAnswer);
+extern int ReaderReceivePar(uint8_t *receivedAnswer, uint32_t *parptr);
+
+extern void iso14443a_setup(uint8_t fpga_minor_mode);
+extern int iso14_apdu(uint8_t *cmd, size_t cmd_len, void *data);
+extern int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *resp_data, uint32_t *cuid_ptr);
+extern void iso14a_set_trigger(bool enable);
+extern void iso14a_set_timeout(uint32_t timeout);