git.zerfleddert.de Git - proxmark3-svn/blob - armsrc/BigBuf.h

   1 //-----------------------------------------------------------------------------
   2 // Jonathan Westhues, Aug 2005
   3 // Gerhard de Koning Gans, April 2008, May 2011
   4 //
   5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   6 // at your option, any later version. See the LICENSE.txt file for the text of
   7 // the license.
   8 //-----------------------------------------------------------------------------
   9 // BigBuf and functions to allocate/free parts of it.
  10 //-----------------------------------------------------------------------------
  11
  12 #ifndef __BIGBUF_H
  13 #define __BIGBUF_H
  14
  15
  16 #define BIGBUF_SIZE                             40000
  17 #define TRACE_OFFSET                    0
  18 #define TRACE_SIZE                              3000
  19 #define RECV_CMD_OFFSET                 (TRACE_OFFSET + TRACE_SIZE)
  20 #define MAX_FRAME_SIZE                  256
  21 #define MAX_PARITY_SIZE                 ((MAX_FRAME_SIZE + 1)/ 8)
  22 #define RECV_CMD_PAR_OFFSET             (RECV_CMD_OFFSET + MAX_FRAME_SIZE)
  23 #define RECV_RESP_OFFSET                (RECV_CMD_PAR_OFFSET + MAX_PARITY_SIZE)
  24 #define RECV_RESP_PAR_OFFSET    (RECV_RESP_OFFSET + MAX_FRAME_SIZE)
  25 #define CARD_MEMORY_OFFSET              (RECV_RESP_PAR_OFFSET + MAX_PARITY_SIZE)
  26 #define CARD_MEMORY_SIZE                4096
  27 #define DMA_BUFFER_OFFSET               CARD_MEMORY_OFFSET
  28 #define DMA_BUFFER_SIZE                 CARD_MEMORY_SIZE
  29 #define FREE_BUFFER_OFFSET              (CARD_MEMORY_OFFSET + CARD_MEMORY_SIZE)
  30 #define FREE_BUFFER_SIZE                (BIGBUF_SIZE - FREE_BUFFER_OFFSET - 1)
  31
  32 extern uint8_t *BigBuf_get_addr(void);
  33 extern uint16_t BigBuf_max_trace_len(void);
  34 void BigBuf_Clear(void);
  35 extern uint8_t *BigBuf_malloc(uint16_t);
  36 extern void BigBuf_free(void);
  37
  38 extern uint16_t traceLen;
  39
  40 #endif /* __BIGBUF_H */