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#ifndef _RFID_ISO14443A_H
#define _RFID_ISO14443A_H
#include <sys/types.h>
/* protocol definitions */
/* ISO 14443-3, Chapter 6.3.1 */
enum iso14443a_sf_cmd {
ISO14443A_SF_CMD_REQA = 0x26,
ISO14443A_SF_CMD_WUPA = 0x52,
ISO14443A_SF_CMD_OPT_TIMESLOT = 0x35, /* Annex C */
/* 40 to 4f and 78 to 7f: proprietary */
};
struct iso14443a_atqa {
u_int8_t bf_anticol:5,
rfu1:1,
uid_size:2;
u_int8_t proprietary:4,
rfu2:4;
};
#define ISO14443A_HLTA 0x5000
/* ISO 14443-3, Chapter 6.3.2 */
struct iso14443a_anticol_cmd {
unsigned char sel_code;
unsigned char nvb;
unsigned char uid_bits[5];
};
enum iso14443a_anticol_sel_code {
ISO14443A_AC_SEL_CODE_CL1 = 0x93,
ISO14443A_AC_SEL_CODE_CL2 = 0x95,
ISO14443A_AC_SEL_CODE_CL3 = 0x97,
};
#define ISO14443A_BITOFCOL_NONE 0xffffffff
struct iso14443a_handle;
struct iso14443a_transport {
unsigned char *name;
struct {
int (*init)(struct iso14443a_handle *handle);
int (*fini)(struct iso14443a_handle *handle);
int (*transcieve_sf)(struct iso14443a_handle *handle,
unsigned char cmd,
struct iso14443a_atqa *atqa);
int (*transcieve_acf)(struct iso14443a_handle *handle,
struct iso14443a_anticol_cmd *acf,
unsigned int *bit_of_col);
int (*transcieve)(struct iso14443a_handle *handle,
const unsigned char *tx_buf,
unsigned int tx_len,
unsigned char *rx_buf,
unsigned int *rx_len);
} fn;
union {
} priv;
};
struct iso14443a_handle {
unsigned int state;
unsigned int level;
unsigned int tcl_capable;
};
enum iso14443a_level {
ISO14443A_LEVEL_NONE,
ISO14443A_LEVEL_CL1,
ISO14443A_LEVEL_CL2,
ISO14443A_LEVEL_CL3,
};
enum iso14443a_state {
ISO14443A_STATE_ERROR,
ISO14443A_STATE_NONE,
ISO14443A_STATE_REQA_SENT,
ISO14443A_STATE_ATQA_RCVD,
ISO14443A_STATE_NO_BITFRAME_ANTICOL,
ISO14443A_STATE_ANTICOL_RUNNING,
ISO14443A_STATE_SELECTED,
};
#include <rfid/rfid_layer2.h>
struct rfid_layer2 rfid_layer2_iso14443a;
#endif /* _ISO14443A_H */
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