apdu.h

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/*
 * Copyright (c) 2019 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef NFC_T4T_APDU_H_
#define NFC_T4T_APDU_H_
 
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define NFC_T4T_APDU_CLASS_BYTE_NO_SECURE_MSG 0x00
 
#define NFC_T4T_APDU_SELECT_BY_FILE_ID 0x000C
 
#define NFC_T4T_APDU_SELECT_BY_NAME 0x0400
#define NFC_T4T_APDU_RAPDU_STATUS_CMD_COMPLETED 0x9000
 
#define NFC_T4T_APDU_RAPDU_STATUS_SEL_ITEM_NOT_FOUND 0x6A82
 
enum nfc_t4t_apdu_comm_ins {
        NFC_T4T_APDU_COMM_INS_SELECT = 0xA4,
 
        NFC_T4T_APDU_COMM_INS_READ = 0xB0,
 
        NFC_T4T_APDU_COMM_INS_UPDATE = 0xD6
};
 
struct nfc_t4t_apdu_data {
        uint16_t len;
 
        uint8_t *buff;
};
 
struct nfc_t4t_apdu_comm {
        /* Class byte. */
        uint8_t class_byte;
 
        enum nfc_t4t_apdu_comm_ins instruction;
 
        uint16_t parameter;
 
        struct nfc_t4t_apdu_data data;
 
        uint16_t resp_len;
};
 
struct nfc_t4t_apdu_resp {
        uint16_t status;
 
        struct nfc_t4t_apdu_data data;
};
 
static inline void nfc_t4t_apdu_comm_clear(struct nfc_t4t_apdu_comm *cmd_apdu);
 
static inline void nfc_t4t_apdu_resp_clear(struct nfc_t4t_apdu_resp *resp_apdu);
 
int nfc_t4t_apdu_comm_encode(const struct nfc_t4t_apdu_comm *cmd_apdu,
                             uint8_t *raw_data, uint16_t *len);
 
int nfc_t4t_apdu_resp_decode(struct nfc_t4t_apdu_resp *resp_apdu,
                             const uint8_t *raw_data, uint16_t len);
 
void nfc_t4t_apdu_resp_printout(const struct nfc_t4t_apdu_resp *resp_apdu);
 
static inline void nfc_t4t_apdu_comm_clear(struct nfc_t4t_apdu_comm *cmd_apdu)
{
        memset(cmd_apdu, 0, sizeof(struct nfc_t4t_apdu_comm));
}
 
static inline void nfc_t4t_apdu_resp_clear(struct nfc_t4t_apdu_resp *resp_apdu)
{
        memset(resp_apdu, 0, sizeof(struct nfc_t4t_apdu_resp));
}
 
#ifdef __cplusplus
}
#endif
 
#endif /* NFC_T4T_APDU_H_ */