twr_tag_nfc

Driver for HARDWARIO NFC Module. More...

Data Structures
struct	twr_tag_nfc_t
	Instance. More...
struct	twr_tag_nfc_ndef_t
	NDEF Instance. More...

Macros
#define	TWR_TAG_NFC_I2C_ADDRESS_DEFAULT   0x08
	Default I2C address.
#define	TWR_TAG_NFC_BUFFER_SIZE   864

Functions
bool	twr_tag_nfc_init (twr_tag_nfc_t *self, twr_i2c_channel_t i2c_channel, uint8_t i2c_address)
	Initialize NFC Tag. More...
bool	twr_tag_nfc_memory_read (twr_tag_nfc_t *self, void *buffer, size_t length)
	Read from memory. More...
bool	twr_tag_nfc_memory_write (twr_tag_nfc_t *self, void *buffer, size_t length)
	Write to memory. More...
bool	twr_tag_nfc_memory_write_ndef (twr_tag_nfc_t *self, twr_tag_nfc_ndef_t *ndef)
	Write to memory. More...
void	twr_tag_nfc_ndef_init (twr_tag_nfc_ndef_t *self)
	Initialize NDEF. More...
bool	twr_tag_nfc_ndef_add_text (twr_tag_nfc_ndef_t *self, const char *text, const char *encoding)
	Add ndef text record. More...
bool	twr_tag_nfc_ndef_add_uri (twr_tag_nfc_ndef_t *self, const char *uri)
	Add ndef uri record. More...

Detailed Description

Driver for HARDWARIO NFC Module.

Function Documentation

twr_tag_nfc_init()

bool twr_tag_nfc_init	(	twr_tag_nfc_t *	self,
		twr_i2c_channel_t	i2c_channel,
		uint8_t	i2c_address
	)

Initialize NFC Tag.

Parameters

[in]	self	Instance
[in]	i2c_channel	I2C channel
[in]	i2c_address	I2C device address

Definition at line 10 of file twr_tag_nfc.c.

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twr_tag_nfc_memory_read()

bool twr_tag_nfc_memory_read	(	twr_tag_nfc_t *	self,
		void *	buffer,
		size_t	length
	)

Read from memory.

Parameters

[in]	self	Instance
[out]	buffer	Pointer to destination buffer
[in]	length	Number of bytes to be read, must by modulo 16, max 880

Returns

true On success

false On failure

Definition at line 66 of file twr_tag_nfc.c.

twr_tag_nfc_memory_write()

bool twr_tag_nfc_memory_write	(	twr_tag_nfc_t *	self,
		void *	buffer,
		size_t	length
	)

Write to memory.

Parameters

[in]	self	Instance
[in]	buffer	Pointer to source buffer
[in]	length	Number of bytes to be written, must by modulo 16, max 880

Returns

true On success

false On failure

Definition at line 102 of file twr_tag_nfc.c.

Referenced by twr_tag_nfc_memory_write_ndef().

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twr_tag_nfc_memory_write_ndef()

bool twr_tag_nfc_memory_write_ndef	(	twr_tag_nfc_t *	self,
		twr_tag_nfc_ndef_t *	ndef
	)

Write to memory.

Parameters

[in]	self	Instance
[in]	ndef	Instance

Returns

true On success

false On failure

Definition at line 144 of file twr_tag_nfc.c.

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twr_tag_nfc_ndef_add_text()

bool twr_tag_nfc_ndef_add_text	(	twr_tag_nfc_ndef_t *	self,
		const char *	text,
		const char *	encoding
	)

Add ndef text record.

Parameters

[in]	self	Instance
[in]	*text	String to be added
[in]	*encoding	Encoding for example "en"

Definition at line 171 of file twr_tag_nfc.c.

twr_tag_nfc_ndef_add_uri()

bool twr_tag_nfc_ndef_add_uri	(	twr_tag_nfc_ndef_t *	self,
		const char *	uri
	)

Add ndef uri record.

Parameters

[in]	self	Instance
[in]	*uri	URI

Definition at line 199 of file twr_tag_nfc.c.

twr_tag_nfc_ndef_init()

void twr_tag_nfc_ndef_init

(

twr_tag_nfc_ndef_t *

self

)

Initialize NDEF.

Parameters

[in]

self

Instance

Definition at line 156 of file twr_tag_nfc.c.