[proxmark3-svn] / armsrc / BigBuf.h

//-----------------------------------------------------------------------------
// 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 */
Commit	Line	Data
117d9ec2	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
f71f4deb	17	#define MAX_FRAME_SIZE 256 // maximum allowed ISO14443 frame
	18	#define MAX_PARITY_SIZE ((MAX_FRAME_SIZE + 7) / 8)
	19	#define MAX_MIFARE_FRAME_SIZE 18 // biggest Mifare frame is answer to a read (one block = 16 Bytes) + 2 Bytes CRC
	20	#define MAX_MIFARE_PARITY_SIZE 3 // need 18 parity bits for the 18 Byte above. 3 Bytes are enough to store these
117d9ec2	21	#define CARD_MEMORY_SIZE 4096
f71f4deb	22	#define DMA_BUFFER_SIZE 128
117d9ec2	23
117d9ec2	24	extern uint8_t *BigBuf_get_addr(void);
f71f4deb	25	extern uint8_t *BigBuf_get_EM_addr(void);
f71f4deb	26	extern uint16_t BigBuf_max_traceLen(void);
117d9ec2	27	void BigBuf_Clear(void);
	28	extern uint8_t *BigBuf_malloc(uint16_t);
	29	extern void BigBuf_free(void);
f71f4deb	30	extern void BigBuf_free_keep_EM(void);
117d9ec2	31
	32	extern uint16_t traceLen;
	33
	34	#endif /* __BIGBUF_H */