#define BIGBUF_SIZE 40000
-#define TRACE_OFFSET 0
-#define TRACE_SIZE 3000
-#define RECV_CMD_OFFSET (TRACE_OFFSET + TRACE_SIZE)
-#define MAX_FRAME_SIZE 256
-#define MAX_PARITY_SIZE ((MAX_FRAME_SIZE + 1)/ 8)
-#define RECV_CMD_PAR_OFFSET (RECV_CMD_OFFSET + MAX_FRAME_SIZE)
-#define RECV_RESP_OFFSET (RECV_CMD_PAR_OFFSET + MAX_PARITY_SIZE)
-#define RECV_RESP_PAR_OFFSET (RECV_RESP_OFFSET + MAX_FRAME_SIZE)
-#define CARD_MEMORY_OFFSET (RECV_RESP_PAR_OFFSET + MAX_PARITY_SIZE)
+#define MAX_FRAME_SIZE 256 // maximum allowed ISO14443 frame
+#define MAX_PARITY_SIZE ((MAX_FRAME_SIZE + 7) / 8)
+#define MAX_MIFARE_FRAME_SIZE 18 // biggest Mifare frame is answer to a read (one block = 16 Bytes) + 2 Bytes CRC
+#define MAX_MIFARE_PARITY_SIZE 3 // need 18 parity bits for the 18 Byte above. 3 Bytes are enough to store these
#define CARD_MEMORY_SIZE 4096
-#define DMA_BUFFER_OFFSET CARD_MEMORY_OFFSET
-#define DMA_BUFFER_SIZE CARD_MEMORY_SIZE
-#define FREE_BUFFER_OFFSET (CARD_MEMORY_OFFSET + CARD_MEMORY_SIZE)
-#define FREE_BUFFER_SIZE (BIGBUF_SIZE - FREE_BUFFER_OFFSET - 1)
+#define DMA_BUFFER_SIZE 128
extern uint8_t *BigBuf_get_addr(void);
-extern uint16_t BigBuf_max_trace_len(void);
-void BigBuf_Clear(void);
+extern uint8_t *BigBuf_get_EM_addr(void);
+extern uint16_t BigBuf_max_traceLen(void);
+extern void BigBuf_Clear(void);
extern uint8_t *BigBuf_malloc(uint16_t);
extern void BigBuf_free(void);
-
-extern uint16_t traceLen;
-
+extern void BigBuf_free_keep_EM(void);
+extern void BigBuf_print_status(void);
+extern uint16_t BigBuf_get_traceLen(void);
+extern void clear_trace(void);
+extern void set_tracing(bool enable);
+extern bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag);
+extern int LogTraceHitag(const uint8_t * btBytes, int iBits, int iSamples, uint32_t dwParity, int bReader);
+extern uint8_t emlSet(uint8_t *data, uint32_t offset, uint32_t length);
#endif /* __BIGBUF_H */