Struct Version

pub struct Version(pub u8, pub u8, pub u8);

The version value (for BCD and USB) is in binary coded decimal with a format of 0xJJMN where JJ is the major version number, M is the minor version number and N is the sub minor version number. e.g. USB 2.0 is reported as 0x0200, USB 1.1 as 0x0110 and USB 1.0 as 0x0100. The type is a mirror of the one from rusb in order to impl Display, From etc.

let version = cyme::usb::Version(2, 0, 1);

Represents the version 2.0.1, or in String representation it is base16 encoded:

assert_eq!(version.to_string(), "2.01");
let version = cyme::usb::Version(155, 15, 1);
assert_eq!(version.to_string(), "9b.f1");

Tuple Fields

0: u8

1: u8

2: u8

Implementations

impl Version

pub fn from_bcd(raw: u16) -> Self

Extracts a version from a binary coded decimal (BCD) field. BCD fields exist in USB descriptors as 16-bit integers encoding a version as 0xJJMN, where JJ is the major version, M is the minor version, and N is the sub minor version. For example, 2.0 is encoded as 0x0200 and 1.1 is encoded as 0x0110.

pub fn major(self) -> u8

Returns the major version.

pub fn minor(self) -> u8

Returns the minor version.

pub fn sub_minor(self) -> u8

Returns the sub minor version.

Trait Implementations

impl Clone for Version

fn clone(&self) -> Version

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Version

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

Formats the value using the given formatter.

impl Display for Version

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

Output is a base16 encoding of Major.MinorSub

assert_eq!(cyme::usb::Version(155, 0, 0).to_string(), "9b.00");
assert_eq!(cyme::usb::Version(2, 0, 1).to_string(), "2.01");

impl From<Version> for Version

fn from(libusb: Version) -> Self

Converts to this type from the input type.

impl FromStr for Version

type Err = Error

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self>

Parses a string s to return a value of this type.

impl Hash for Version

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for Version

fn cmp(&self, other: &Version) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Version

fn eq(&self, other: &Version) -> 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 PartialOrd for Version

fn partial_cmp(&self, other: &Version) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl TryFrom<f32> for Version

For legacy import where I thought the value was a f32…

type Error = Error

The type returned in the event of a conversion error.

fn try_from(f: f32) -> Result<Self>

Performs the conversion.

impl Copy for Version

impl Eq for Version

impl StructuralPartialEq for Version