Struct DmaChannel 

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

An ISA DMA data channel: 0 through 3 or 5 through 7.

Channel 4 cascades the two AT DMA controllers and cannot transfer device data.

Implementations

impl DmaChannel

pub const fn new(channel: u8) -> Option<DmaChannel>

Validate a DMA data channel, excluding the cascade channel.

pub const fn number(self) -> u8

Physical DMA channel number.

pub const fn width(self) -> DmaWidth

Width implied by the selected channel.

Trait Implementations

impl Clone for DmaChannel

fn clone(&self) -> DmaChannel

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for DmaChannel

impl Debug for DmaChannel

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

Formats the value using the given formatter.

impl Eq for DmaChannel

impl Hash for DmaChannel

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

where __H: Hasher,

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 DmaChannel

fn cmp(&self, other: &DmaChannel) -> 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.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)

Restrict a value to a certain range.

impl PartialEq for DmaChannel

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for DmaChannel

fn partial_cmp(&self, other: &DmaChannel) -> 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 StructuralPartialEq for DmaChannel