NDEF

Data Structures
struct	__ndef_msg

Generic NDEF Tag
typedef nfc_err_t(*	ndef_encode_fn_t) (ndef_msg_t *pTag, ac_buffer_builder_t *pBufferBldr, void *pUserData)
	Function called to generate the tag's content on read (target mode)
typedef nfc_err_t(*	ndef_decode_fn_t) (ndef_msg_t *pTag, ac_buffer_t *pBuffer, void *pUserData)
	Function called to decode the tag's content on write (target mode) or read (reader mode)
void	ndef_msg_init (ndef_msg_t *pNdef, ndef_encode_fn_t encode, ndef_decode_fn_t decode, uint8_t *data, size_t size, void *pUserData)
	Initialize NDEF tag abstraction.

Detailed Description

Typedef Documentation

ndef_encode_fn_t

typedef nfc_err_t(* ndef_encode_fn_t) (ndef_msg_t *pTag, ac_buffer_builder_t *pBufferBldr, void *pUserData)

Function called to generate the tag's content on read (target mode)

Parameters

pTag	pointer to ndef_tag_t instance
pBufferBldr	buffer in which to store the generated content
pUserData	User data pointer passed to ndef_msg_init

Definition at line 47 of file ndef.h.

ndef_decode_fn_t

typedef nfc_err_t(* ndef_decode_fn_t) (ndef_msg_t *pTag, ac_buffer_t *pBuffer, void *pUserData)

Function called to decode the tag's content on write (target mode) or read (reader mode)

Parameters

pTag	pointer to ndef_tag_t instance
pBuffer	buffer containing the tag's content
pUserData	User data pointer passed to ndef_msg_init

Definition at line 54 of file ndef.h.

Function Documentation

ndef_msg_init()

void ndef_msg_init	(	ndef_msg_t *	pNdef,
		ndef_encode_fn_t	encode,
		ndef_decode_fn_t	decode,
		uint8_t *	data,
		size_t	size,
		void *	pUserData
	)

Initialize NDEF tag abstraction.

Parameters

pNdef	pointer to ndef_tag_t structure to initialize
encode	function that will be called to generate the NDEF message before sending it to the other party
decode	function that will be called to parse the NDEF message after receiving it from the other party
data	underlying buffer to use (it should be big enough so that any NDEF message you might need could be stored inside)
size	size of the underlying buffer
pUserData	User data pointer to pass to callbacks.