proxmark3/armsrc/BigBuf.h
2018-01-29 13:42:42 +01:00

47 lines
2.1 KiB
C

//-----------------------------------------------------------------------------
// 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
#include <stdbool.h> // for bool
#include "proxmark3.h"
#include "string.h"
#include "ticks.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 256 //128 (how big is the dma?!?
extern uint8_t *BigBuf_get_addr(void);
extern uint8_t *BigBuf_get_EM_addr(void);
extern uint16_t BigBuf_max_traceLen(void);
extern void BigBuf_Clear(void);
extern void BigBuf_Clear_ext(bool verbose);
extern void BigBuf_Clear_keep_EM(void);
extern void BigBuf_Clear_EM(void);
extern uint8_t *BigBuf_malloc(uint16_t);
extern void BigBuf_free(void);
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 void set_tracelen(uint16_t value);
extern bool get_tracing(void);
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 */