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Struct stm32_metapac::octospi::regs::Dlr

#[repr(transparent)]
pub struct Dlr(pub u32);
Expand description

data length register

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§0: u32

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impl Dlr

pub const fn dl(&self) -> u32

31: 0]: Data length Number of data to be retrieved (value+1) in Indirect and Automatic status-polling modes. A value not greater than three (indicating 4 bytes) must be used for Automatic status-polling mode. All 1’s in Indirect mode means undefined length, where OCTOSPI continues until the end of the memory, as defined by DEVSIZE. 0x0000_0000: 1 byte is to be transferred. 0x0000_0001: 2 bytes are to be transferred. 0x0000_0002: 3 bytes are to be transferred. 0x0000_0003: 4 bytes are to be transferred. … 0xFFFF_FFFD: 4,294,967,294 (4G-2) bytes are to be transferred. 0xFFFF_FFFE: 4,294,967,295 (4G-1) bytes are to be transferred. 0xFFFF_FFFF: undefined length; all bytes, until the end of the external device, (as defined by DEVSIZE) are to be transferred. Continue reading indefinitely if DEVSIZE = 0x1F. DL[0] is stuck at 1 in dual-memory configuration (DMM = 1) even when 0 is written to. this bit, thus assuring that each access transfers an even number of bytes. This field has no effect in Memory-mapped mode.

pub fn set_dl(&mut self, val: u32)

31: 0]: Data length Number of data to be retrieved (value+1) in Indirect and Automatic status-polling modes. A value not greater than three (indicating 4 bytes) must be used for Automatic status-polling mode. All 1’s in Indirect mode means undefined length, where OCTOSPI continues until the end of the memory, as defined by DEVSIZE. 0x0000_0000: 1 byte is to be transferred. 0x0000_0001: 2 bytes are to be transferred. 0x0000_0002: 3 bytes are to be transferred. 0x0000_0003: 4 bytes are to be transferred. … 0xFFFF_FFFD: 4,294,967,294 (4G-2) bytes are to be transferred. 0xFFFF_FFFE: 4,294,967,295 (4G-1) bytes are to be transferred. 0xFFFF_FFFF: undefined length; all bytes, until the end of the external device, (as defined by DEVSIZE) are to be transferred. Continue reading indefinitely if DEVSIZE = 0x1F. DL[0] is stuck at 1 in dual-memory configuration (DMM = 1) even when 0 is written to. this bit, thus assuring that each access transfers an even number of bytes. This field has no effect in Memory-mapped mode.

Trait Implementations§

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impl Clone for Dlr

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fn clone(&self) -> Dlr

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for Dlr

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fn default() -> Dlr

Returns the “default value” for a type. Read more
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impl PartialEq for Dlr

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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impl Eq for Dlr

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impl StructuralPartialEq for Dlr

Auto Trait Implementations§

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impl Freeze for Dlr

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impl RefUnwindSafe for Dlr

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impl Send for Dlr

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impl Sync for Dlr

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impl Unpin for Dlr

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impl UnwindSafe for Dlr

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.