Merged with master

[proxmark3-svn] / armsrc / BigBuf.h

diff --git a/armsrc/BigBuf.h b/armsrc/BigBuf.h
new file mode 100644 (file)
index 0000000..9d89a4f
--- /dev/null
+++ b/armsrc/BigBuf.h
@@ -0,0 +1,34 @@
+//-----------------------------------------------------------------------------
+// Jonathan Westhues, Aug 2005
+// Gerhard de Koning Gans, April 2008, May 2011
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// BigBuf and functions to allocate/free parts of it.
+//-----------------------------------------------------------------------------
+
+#ifndef __BIGBUF_H
+#define __BIGBUF_H
+
+
+#define BIGBUF_SIZE                            40000
+#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_SIZE                128
+
+extern uint8_t *BigBuf_get_addr(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;
+
+#endif /* __BIGBUF_H */