X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/117d9ec25c7cbc88555a6a990293ca95a544b915..31b3689f0b54048de31957e001c60bbd8dfca5a3:/armsrc/BigBuf.h?ds=inline

diff --git a/armsrc/BigBuf.h b/armsrc/BigBuf.h
index 07535277..be558979 100644
--- a/armsrc/BigBuf.h
+++ b/armsrc/BigBuf.h
@@ -14,27 +14,24 @@
 
 
 #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);
+extern uint8_t *BigBuf_get_EM_addr(void);
+extern uint16_t BigBuf_max_traceLen(void);
 void BigBuf_Clear(void);
 extern uint8_t *BigBuf_malloc(uint16_t);
 extern void BigBuf_free(void);
+extern void BigBuf_free_keep_EM(void);
 
-extern uint16_t traceLen;
-
+uint16_t BigBuf_get_traceLen(void);
+void clear_trace();
+void set_tracing(bool enable);
+bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_start, uint32_t timestamp_end, uint8_t *parity, bool readerToTag);
+int LogTraceHitag(const uint8_t * btBytes, int iBits, int iSamples, uint32_t dwParity, int bReader);
 #endif /* __BIGBUF_H */