ST25R3911B NFC Reader NFC-A Technology

API for the ST25R3911B NFC Reader NFC-A Technology. More...

Topics
	NFC-A protocol and transmission error.

Data Structures
struct	st25r3911b_nfca_buf
	NFC-A transceiver buffer. More...
struct	st25r3911b_nfca_sens_resp
	NFC-A SENS response. More...
struct	st25r3911b_nfca_tag_info
	NFC-A Tag information. More...
struct	st25r3911b_nfca_crc
	NFCA_A CRC structure. More...
struct	st25r3911b_nfca_cb
	NFC-A callback. More...

Macros
#define	ST25R3911B_NFCA_EVENT_CNT   2
#define	ST25R3911B_NFCA_CRC_LEN   2
#define	ST25R3911B_NFCA_NFCID1_MAX_LEN   10

Enumerations
enum	st25r3911b_nfca_tag_type {   ST25R3911B_NFCA_TAG_TYPE_T2T , ST25R3911B_NFCA_TAG_TYPE_T4T , ST25R3911B_NFCA_TAG_TYPE_NFCDEP , ST25R3911B_NFCA_TAG_TYPE_T4T_NFCDEP ,   ST25R3911B_NFCA_TAG_TYPE_T1T }
	NFC-A Tag types. More...
enum	st25r3911b_nfca_detect_cmd { ST25R3911B_NFCA_DETECT_CMD_ALL_REQ , ST25R3911B_NFCA_DETECT_CMD_SENS_REQ }
	NFC-A Tag detect command. More...

Functions
int	st25r3911b_nfca_init (struct k_poll_event *events, uint8_t cnt, const struct st25r3911b_nfca_cb *cb)
	Initialize NFC Reader NFC-A technology.
int	st25r3911b_nfca_field_on (void)
	Switch on the NFC Reader field.
int	st25r3911b_nfca_field_off (void)
	Switch off the NFC Reader field.
int	st25r3911b_nfca_tag_detect (enum st25r3911b_nfca_detect_cmd cmd)
	Detect tag by sending a detection command.
int	st25r3911b_nfca_anticollision_start (void)
	NFC-A collision resolution procedure.
int	st25r3911b_nfca_transfer (const struct st25r3911b_nfca_buf *tx, const struct st25r3911b_nfca_buf *rx, uint32_t fdt, bool auto_crc)
	Exchange the specified amount of data.
static int	st25r3911b_nfca_transfer_with_crc (const struct st25r3911b_nfca_buf *tx, const struct st25r3911b_nfca_buf *rx, uint32_t fdt)
	Exchange the specified amount of data with an automatically generated CRC.
static int	st25r3911b_nfca_transfer_without_crc (const struct st25r3911b_nfca_buf *tx, const struct st25r3911b_nfca_buf *rx, uint32_t fdt)
	Exchange the specified amount of data with a manually generated CRC.
int	st25r3911b_nfca_tag_sleep (void)
	Send NFC-A tag sleep command.
int	st25r3911b_nfca_crc_calculate (const uint8_t *data, size_t len, struct st25r3911b_nfca_crc *crc_val)
	Calculate CRC 16 for NFC-A payload.
int	st25r3911b_nfca_process (void)
	Process NFC-A library.

Detailed Description

API for the ST25R3911B NFC Reader NFC-A Technology.