95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
#ifndef _RFID_ISO14443A_H
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#define _RFID_ISO14443A_H
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enum rfid_14443a_opt {
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RFID_OPT_14443A_SPEED_RX = 0x00010001,
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RFID_OPT_14443A_SPEED_TX = 0x00010002,
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RFID_OPT_14443A_ATQA = 0x00010003,
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};
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enum rfid_14443_opt_speed {
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RFID_14443A_SPEED_106K = 0x01,
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RFID_14443A_SPEED_212K = 0x02,
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RFID_14443A_SPEED_424K = 0x04,
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RFID_14443A_SPEED_848K = 0x08,
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};
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#ifdef __LIBRFID__
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#include <sys/types.h>
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/* protocol definitions */
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/* ISO 14443-3, Chapter 6.3.1 */
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enum iso14443a_sf_cmd {
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ISO14443A_SF_CMD_REQA = 0x26,
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ISO14443A_SF_CMD_WUPA = 0x52,
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ISO14443A_SF_CMD_OPT_TIMESLOT = 0x35, /* Annex C */
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/* 40 to 4f and 78 to 7f: proprietary */
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};
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struct iso14443a_atqa {
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u_int8_t bf_anticol:5,
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rfu1:1,
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uid_size:2;
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u_int8_t proprietary:4,
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rfu2:4;
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} __attribute__((packed));
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#define ISO14443A_HLTA 0x5000
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/* ISO 14443-3, Chapter 6.3.2 */
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struct iso14443a_anticol_cmd {
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unsigned char sel_code;
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unsigned char nvb;
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unsigned char uid_bits[5];
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} __attribute__((packed));
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enum iso14443a_anticol_sel_code {
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ISO14443A_AC_SEL_CODE_CL1 = 0x93,
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ISO14443A_AC_SEL_CODE_CL2 = 0x95,
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ISO14443A_AC_SEL_CODE_CL3 = 0x97,
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};
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#define ISO14443A_BITOFCOL_NONE 0xffffffff
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struct iso14443a_handle {
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unsigned int state;
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unsigned int level;
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unsigned int tcl_capable;
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struct iso14443a_atqa atqa;
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};
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enum iso14443a_level {
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ISO14443A_LEVEL_NONE,
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ISO14443A_LEVEL_CL1,
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ISO14443A_LEVEL_CL2,
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ISO14443A_LEVEL_CL3,
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};
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enum iso14443a_state {
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ISO14443A_STATE_ERROR,
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ISO14443A_STATE_NONE,
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ISO14443A_STATE_REQA_SENT,
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ISO14443A_STATE_ATQA_RCVD,
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ISO14443A_STATE_NO_BITFRAME_ANTICOL,
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ISO14443A_STATE_ANTICOL_RUNNING,
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ISO14443A_STATE_SELECTED,
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};
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/* Section 6.1.2 values in usec, rounded up to next usec */
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#define ISO14443A_FDT_ANTICOL_LAST1 92 /* 1236 / fc = 91.15 usec */
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#define ISO14443A_FDT_ANTICOL_LAST0 87 /* 1172 / fc = 86.43 usec */
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#define ISO14443_CARRIER_FREQ 13560000
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#define ISO14443A_FDT_OTHER_LAST1(n) (((n*128+84)*1000000)/ISO14443_CARRIER_FREQ)
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#include <librfid/rfid_layer2.h>
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extern const struct rfid_layer2 rfid_layer2_iso14443a;
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#endif /* __LIBRFID__ */
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#endif /* _ISO14443A_H */
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