isodep.h

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/*
 * Copyright (c) 2019 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef NFC_T4T_ISODEP_H_
#define NFC_T4T_ISODEP_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define NFC_T4T_ISODEP_SYNTAX_ERROR 1
 
#define NFC_T4T_ISODEP_SEMANTIC_ERROR 2
 
#define NFC_T4T_ISODEP_TRANSMISSION_ERROR 3
 
#define NFC_T4T_ISODEP_TIMEOUT_ERROR 4
 
#define NFC_T4T_ISODEP_HIST_MAX_LEN 15
 
struct nfc_t4t_isodep_tag {
        uint32_t fwt;
 
        uint32_t sfgt;
 
        uint16_t fsc;
 
        uint8_t did;
 
        uint8_t lp_divisor;
 
        uint8_t pl_divisor;
 
        uint8_t historical[NFC_T4T_ISODEP_HIST_MAX_LEN];
 
        uint8_t historical_len;
 
        bool did_supported;
 
        bool nad_supported;
};
 
enum nfc_t4t_isodep_fsd {
        NFC_T4T_ISODEP_FSD_16 = 0,
 
        NFC_T4T_ISODEP_FSD_24,
 
        NFC_T4T_ISODEP_FSD_32,
 
        NFC_T4T_ISODEP_FSD_40,
 
        NFC_T4T_ISODEP_FSD_48,
 
        NFC_T4T_ISODEP_FSD_64,
 
        NFC_T4T_ISODEP_FSD_96,
 
        NFC_T4T_ISODEP_FSD_128,
 
        NFC_T4T_ISODEP_FSD_256
};
 
struct nfc_t4t_isodep_cb {
        void (*data_received)(const uint8_t *data, size_t data_len);
 
        void (*selected)(const struct nfc_t4t_isodep_tag *t4t_tag);
 
        void (*deselected)(void);
 
        void (*ready_to_send)(uint8_t *data, size_t data_len, uint32_t ftd);
 
        void (*error)(int err);
};
 
int nfc_t4t_isodep_rats_send(enum nfc_t4t_isodep_fsd fsd, uint8_t did);
 
int nfc_t4t_isodep_tag_deselect(void);
 
int nfc_t4t_isodep_data_received(const uint8_t *data, size_t data_len, int err);
 
int nfc_t4t_isodep_transmit(const uint8_t *data, size_t data_len);
 
void nfc_t4t_isodep_on_timeout(void);
 
int nfc_t4t_isodep_init(uint8_t *tx_buf, size_t tx_size,
                        uint8_t *rx_buf, size_t rx_size,
                        const struct nfc_t4t_isodep_cb *cb);
 
#ifdef __cplusplus
}
#endif
 
#endif /* NFC_T4T_ISODEP_H_ */