Struct MetadataFlags 

pub struct MetadataFlags(/* private fields */);

Metadata flags that control which per-tag metadata fields the reader includes in inventory responses.

Defined in the Single Tag Inventory (0x21), Get Tag Buffer (0x29), and Asynchronous Inventory (0xAA) command specifications.

Each enabled bit requests one additional metadata field in the response. When all bits are zero the reader returns only the EPC and tag CRC.

Bit	Value	Field	Size	Description
0	0x0001	Read Count	1 byte	Number of times the tag was archived
1	0x0002	RSSI	1 byte	Signal strength, signed (dBm)
2	0x0004	Antenna ID	1 byte	Logic antenna number
3	0x0008	Frequency	3 bytes	Frequency at archival (kHz)
4	0x0010	Timestamp	4 bytes	Elapsed time from inventory start (ms)
5	0x0020	RFU	2 bytes	Reserved for future use
6	0x0040	Protocol ID	1 byte	Tag protocol (0x05 = Gen2)
7	0x0080	Data Length	2 bytes	Tag data length (0x0000 for 0x21)

Implementations

impl MetadataFlags

pub const NONE: Self

No metadata: only EPC and tag CRC are returned.

pub const ALL: Self

All defined metadata bits set (0x00FF).

pub const fn from_raw(raw: u16) -> Self

Create from the raw protocol value.

pub const fn raw(self) -> u16

Return the raw protocol value.

pub const fn read_count(self) -> bool

Whether the Read Count field is requested (bit 0).

pub const fn rssi(self) -> bool

Whether the RSSI field is requested (bit 1).

pub const fn antenna_id(self) -> bool

Whether the Antenna ID field is requested (bit 2).

pub const fn frequency(self) -> bool

Whether the Frequency field is requested (bit 3).

pub const fn timestamp(self) -> bool

Whether the Timestamp field is requested (bit 4).

pub const fn rfu(self) -> bool

Whether the RFU reserved field is requested (bit 5).

pub const fn protocol_id(self) -> bool

Whether the Protocol ID field is requested (bit 6).

pub const fn data_length(self) -> bool

Whether the Data Length field is requested (bit 7).

pub const fn with_read_count(self, en: bool) -> Self

Set or clear the Read Count bit (bit 0).

pub const fn with_rssi(self, en: bool) -> Self

Set or clear the RSSI bit (bit 1).

pub const fn with_antenna_id(self, en: bool) -> Self

Set or clear the Antenna ID bit (bit 2).

pub const fn with_frequency(self, en: bool) -> Self

Set or clear the Frequency bit (bit 3).

pub const fn with_timestamp(self, en: bool) -> Self

Set or clear the Timestamp bit (bit 4).

pub const fn with_rfu(self, en: bool) -> Self

Set or clear the RFU reserved bit (bit 5).

pub const fn with_protocol_id(self, en: bool) -> Self

Set or clear the Protocol ID bit (bit 6).

pub const fn with_data_length(self, en: bool) -> Self

Set or clear the Data Length bit (bit 7).

Trait Implementations

impl Clone for MetadataFlags

fn clone(&self) -> MetadataFlags

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MetadataFlags

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for MetadataFlags

fn default() -> MetadataFlags

Returns the “default value” for a type.

impl From<MetadataFlags> for u16

fn from(value: MetadataFlags) -> Self

Converts to this type from the input type.

impl From<u16> for MetadataFlags

fn from(value: u16) -> Self

Converts to this type from the input type.

impl PartialEq for MetadataFlags

fn eq(&self, other: &MetadataFlags) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for MetadataFlags

impl Eq for MetadataFlags

impl StructuralPartialEq for MetadataFlags