Descriptor for a Type 2 Tag TLV block. More...

Data Structures
struct	tlv_block_t
	TLV block descriptor. More...

Macros
#define	TLV_T_LENGTH 1
	Length of a tag field.
#define	TLV_L_SHORT_LENGTH 1
	Length of a short length field.
#define	TLV_L_LONG_LENGTH 3
	Length of an extended length field.
#define	TLV_L_FORMAT_FLAG 0xFF
	Value indicating the use of an extended length field.
#define	TLV_NULL_TERMINATOR_LEN 0
	Predefined length of the NULL and TERMINATOR TLV blocks.
#define	TLV_LOCK_MEMORY_CTRL_LEN 3
	Predefined length of the LOCK CONTROL and MEMORY CONTROL blocks.

Enumerations
enum	tlv_block_types_t { TLV_NULL = 0x00, TLV_LOCK_CONTROL = 0x01, TLV_MEMORY_CONTROL = 0x02, TLV_NDEF_MESSAGE = 0x03, TLV_PROPRIETARY = 0xFD, TLV_TERMINATOR = 0xFE }
	Tag field values. More...

Detailed Description

Descriptor for a Type 2 Tag TLV block.

Enumeration Type Documentation

enum tlv_block_types_t

Tag field values.

Possible values for the tag field in a TLV block.

Enumerator
TLV_NULL	Might be used for padding of memory areas.
TLV_LOCK_CONTROL	Defines details of the lock bits.
TLV_MEMORY_CONTROL	Identifies reserved memory areas.
TLV_NDEF_MESSAGE	Contains an NDEF message.
TLV_PROPRIETARY	Tag proprietary information.
TLV_TERMINATOR	Last TLV block in the data area.