+#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 bitCount;
+ uint16_t collisionPos;
+ uint16_t syncBit;
+ uint16_t parityBits;
+ uint16_t shiftReg;
+ uint16_t samples;
+ uint16_t len;
+ uint8_t *output;
+} tDemod;
+
+typedef struct {
+ enum {
+ STATE_UNSYNCD,
+ STATE_START_OF_COMMUNICATION,
+ STATE_MILLER_X,
+ STATE_MILLER_Y,
+ STATE_MILLER_Z,
+ STATE_ERROR_WAIT
+ } state;
+ uint16_t shiftReg;
+ int bitCnt;
+ int byteCnt;
+ int byteCntMax;
+ int posCnt;
+ int syncBit;
+ int parityBits;
+ int samples;
+ int highCnt;
+ int bitBuffer;
+ enum {
+ DROP_NONE,
+ DROP_FIRST_HALF,
+ DROP_SECOND_HALF
+ } drop;
+ 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);