parser.h

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/*
 * Copyright (c) 2019 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef NFC_T2T_PARSER_H_
#define NFC_T2T_PARSER_H_
 
#include <stdint.h>
#include <nfc/t2t/tlv_block.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct nfc_t2t_sn {
        uint8_t manufacturer_id;
 
        uint16_t serial_number_part_1;
 
        uint32_t serial_number_part_2;
 
        uint8_t check_byte_0;
 
        uint8_t check_byte_1;
 
        uint8_t internal;
};
 
struct nfc_t2t_cc {
        uint8_t major_version;
 
        uint8_t minor_version;
 
        uint16_t data_area_size;
 
        uint8_t read_access;
 
        uint8_t write_access;
};
 
struct nfc_t2t {
        struct nfc_t2t_sn sn;
 
        uint16_t lock_bytes;
 
        struct nfc_t2t_cc cc;
 
        const uint16_t max_tlv_blocks;
 
        struct nfc_t2t_tlv_block *tlv_block_array;
 
        uint16_t tlv_count;
};
 
#define NFC_T2T_DESC_DEF(_name, _max_blocks)                                   \
        static struct nfc_t2t_tlv_block  _name##_tlv_block_array[_max_blocks]; \
        static struct nfc_t2t NFC_T2T_DESC(_name) =                            \
        {                                                                      \
                .max_tlv_blocks = _max_blocks,                                 \
                .tlv_block_array = _name##_tlv_block_array,                    \
                .tlv_count = 0                                                 \
        }
 
#define NFC_T2T_DESC(_name) (_name##_t2t)
 
#define NFC_T2T_NFC_FORUM_DEFINED_DATA      0xE1
 
#define NFC_T2T_UID_BCC_CASCADE_BYTE        0x88
 
 
#define NFC_T2T_SUPPORTED_MAJOR_VERSION     1
 
#define NFC_T2T_SUPPORTED_MINOR_VERSION     0
 
#define NFC_T2T_BLOCK_SIZE                  4
 
#define NFC_T2T_CC_BLOCK_OFFSET             12
 
#define NFC_T2T_FIRST_DATA_BLOCK_OFFSET     16
 
 
void nfc_t2t_clear(struct nfc_t2t *t2t);
 
int nfc_t2t_parse(struct nfc_t2t *t2t, const uint8_t *raw_data);
 
void nfc_t2t_printout(const struct nfc_t2t *t2t);
 
#ifdef __cplusplus
}
#endif
 
#endif /* NFC_T2T_PARSER_H_ */