65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
#ifndef _NFC_H_
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#define _NFC_H_
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#include <stdint.h>
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#include <stdbool.h>
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#include "apdu.h"
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// Return number of bytes read if any.
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int nfc_loop();
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int nfc_init();
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typedef struct
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{
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uint8_t cclen_hi;
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uint8_t cclen_lo;
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uint8_t version;
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uint8_t MLe_hi;
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uint8_t MLe_lo;
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uint8_t MLc_hi;
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uint8_t MLc_lo;
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uint8_t tlv[8];
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} __attribute__((packed)) CAPABILITY_CONTAINER;
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// WTX time in ms
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#define WTX_TIME_DEFAULT 300
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#define NFC_CMD_REQA 0x26
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#define NFC_CMD_WUPA 0x52
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#define NFC_CMD_HLTA 0x50
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#define NFC_CMD_RATS 0xe0
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#define NFC_CMD_PPSS 0xd0
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#define IS_PPSS_CMD(x) (((x) & 0xf0) == NFC_CMD_PPSS)
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#define NFC_CMD_IBLOCK 0x00
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#define IS_IBLOCK(x) ( (((x) & 0xc0) == NFC_CMD_IBLOCK) && (((x) & 0x02) == 0x02) )
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#define NFC_CMD_RBLOCK 0x80
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#define NFC_CMD_RBLOCK_ACK 0x20
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#define IS_RBLOCK(x) ( (((x) & 0xc0) == NFC_CMD_RBLOCK) && (((x) & 0x02) == 0x02) )
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#define NFC_CMD_SBLOCK 0xc0
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#define IS_SBLOCK(x) ( (((x) & 0xc0) == NFC_CMD_SBLOCK) && (((x) & 0x02) == 0x02) )
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#define NFC_SBLOCK_DESELECT 0x30
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#define NFC_SBLOCK_WTX 0x30
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#define AID_NDEF_TYPE_4 "\xD2\x76\x00\x00\x85\x01\x01"
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#define AID_NDEF_MIFARE_TYPE_4 "\xD2\x76\x00\x00\x85\x01\x00"
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#define AID_CAPABILITY_CONTAINER "\xE1\x03"
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#define AID_NDEF_TAG "\xE1\x04"
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#define AID_FIDO "\xa0\x00\x00\x06\x47\x2f\x00\x01"
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typedef enum
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{
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APP_NOTHING = 0,
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APP_NDEF_TYPE_4 = 1,
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APP_MIFARE_TYPE_4,
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APP_CAPABILITY_CONTAINER,
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APP_NDEF_TAG,
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APP_FIDO,
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} APPLETS;
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void WTX_timer_exec();
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#endif
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