Enum KnownUsage 

#[repr(u16)]
pub enum KnownUsage {
    Undefined = 0,
    Scales = 1,
    ScaleDevice = 32,
    ScaleClass = 33,
    ScaleClassIMetric = 34,
    ScaleClassIiMetric = 35,
    ScaleClassIiiMetric = 36,
    ScaleClassIiilMetric = 37,
    ScaleClassIvMetric = 38,
    ScaleClassIiiEnglish = 39,
    ScaleClassIiilEnglish = 40,
    ScaleClassIvEnglish = 41,
    ScaleClassGeneric = 42,
    ScaleAttributeReport = 48,
    ScaleControlReport = 49,
    ScaleDataReport = 50,
    ScaleStatusReport = 51,
    ScaleWeightLimitReport = 52,
    ScaleStatisticsReport = 53,
    DataWeight = 64,
    DataScaling = 65,
    WeightUnit = 80,
    WeightUnitMilligram = 81,
    WeightUnitGram = 82,
    WeightUnitKilogram = 83,
    WeightUnitCarats = 84,
    WeightUnitTaels = 85,
    WeightUnitGrains = 86,
    WeightUnitPennyweights = 87,
    WeightUnitMetricTon = 88,
    WeightUnitAvoirTon = 89,
    WeightUnitTroyOunce = 90,
    WeightUnitOunce = 91,
    WeightUnitPound = 92,
    CalibrationCount = 96,
    ReZeroCount = 97,
    ScaleStatus = 112,
    ScaleStatusFault = 113,
    ScaleStatusStableAtCenterOfZero = 114,
    ScaleStatusInMotion = 115,
    ScaleStatusWeightStable = 116,
    ScaleStatusUnderZero = 117,
    ScaleStatusOverWeightLimit = 118,
    ScaleStatusRequiresCalibration = 119,
    ScaleStatusRequiresRezeroing = 120,
    ZeroScale = 128,
    EnforcedZeroReturn = 129,
}

Well-known Usage ID values from the Scales Usage Page.

See HID Usage Tables for Universal Serial Bus, section 33.

Variants

Undefined = 0

Scales = 1

ScaleDevice = 32

ScaleClass = 33

ScaleClassIMetric = 34

ScaleClassIiMetric = 35

ScaleClassIiiMetric = 36

ScaleClassIiilMetric = 37

ScaleClassIvMetric = 38

ScaleClassIiiEnglish = 39

ScaleClassIiilEnglish = 40

ScaleClassIvEnglish = 41

ScaleClassGeneric = 42

ScaleAttributeReport = 48

ScaleControlReport = 49

ScaleDataReport = 50

ScaleStatusReport = 51

ScaleWeightLimitReport = 52

ScaleStatisticsReport = 53

DataWeight = 64

DataScaling = 65

WeightUnit = 80

WeightUnitMilligram = 81

WeightUnitGram = 82

WeightUnitKilogram = 83

WeightUnitCarats = 84

WeightUnitTaels = 85

WeightUnitGrains = 86

WeightUnitPennyweights = 87

WeightUnitMetricTon = 88

WeightUnitAvoirTon = 89

WeightUnitTroyOunce = 90

WeightUnitOunce = 91

WeightUnitPound = 92

CalibrationCount = 96

ReZeroCount = 97

ScaleStatus = 112

ScaleStatusFault = 113

ScaleStatusStableAtCenterOfZero = 114

ScaleStatusInMotion = 115

ScaleStatusWeightStable = 116

ScaleStatusUnderZero = 117

ScaleStatusOverWeightLimit = 118

ScaleStatusRequiresCalibration = 119

ScaleStatusRequiresRezeroing = 120

ZeroScale = 128

EnforcedZeroReturn = 129

Trait Implementations

impl Clone for KnownUsage

fn clone(&self) -> KnownUsage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for KnownUsage

impl Debug for KnownUsage

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

Formats the value using the given formatter.

impl Eq for KnownUsage

impl From<KnownUsage> for u16

fn from(enum_value: KnownUsage) -> Self

Converts to this type from the input type.

impl PartialEq for KnownUsage

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for KnownUsage

impl TryFrom<u16> for KnownUsage

type Error = TryFromPrimitiveError<KnownUsage>

The type returned in the event of a conversion error.

fn try_from(number: u16) -> Result<Self, TryFromPrimitiveError<Self>>

Performs the conversion.

impl TryFromPrimitive for KnownUsage

const NAME: &'static str = "KnownUsage"

type Primitive = u16

type Error = TryFromPrimitiveError<KnownUsage>

fn try_from_primitive( number: Self::Primitive, ) -> Result<Self, TryFromPrimitiveError<Self>>