Struct embassy_stm32::flash::Flash

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pub struct Flash<'d, MODE = Async> { /* private fields */ }
Expand description

Internal flash memory driver.

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impl<'d> Flash<'d, Blocking>

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pub fn new_blocking(p: impl Peripheral<P = FLASH> + 'd) -> Self

Create a new flash driver, usable in blocking mode.

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impl<'d, MODE> Flash<'d, MODE>

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pub fn into_blocking_regions(self) -> FlashLayout<'d, Blocking>

Split this flash driver into one instance per flash memory region.

See module-level documentation for details on how memory regions work.

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pub fn blocking_read( &mut self, offset: u32, bytes: &mut [u8] ) -> Result<(), Error>

Blocking read.

NOTE: offset is an offset from the flash start, NOT an absolute address. For example, to read address 0x0800_1234 you have to use offset 0x1234.

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pub fn blocking_write(&mut self, offset: u32, bytes: &[u8]) -> Result<(), Error>

Blocking write.

NOTE: offset is an offset from the flash start, NOT an absolute address. For example, to write address 0x0800_1234 you have to use offset 0x1234.

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pub fn blocking_erase(&mut self, from: u32, to: u32) -> Result<(), Error>

Blocking erase.

NOTE: from and to are offsets from the flash start, NOT an absolute address. For example, to erase address 0x0801_0000 you have to use offset 0x1_0000.

Trait Implementations§

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impl<MODE> ErrorType for Flash<'_, MODE>

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type Error = Error

Errors returned by this NOR flash.
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impl<MODE> NorFlash for Flash<'_, MODE>

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const WRITE_SIZE: usize = 4usize

The minumum number of bytes the storage peripheral can write
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const ERASE_SIZE: usize = 1_024usize

The minumum number of bytes the storage peripheral can erase
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fn write(&mut self, offset: u32, bytes: &[u8]) -> Result<(), Self::Error>

If power is lost during write, the contents of the written words are undefined, but the rest of the page is guaranteed to be unchanged. It is not allowed to write to the same word twice. Read more
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fn erase(&mut self, from: u32, to: u32) -> Result<(), Self::Error>

Erase the given storage range, clearing all data within [from..to]. The given range will contain all 1s afterwards. Read more
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impl<MODE> ReadNorFlash for Flash<'_, MODE>

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const READ_SIZE: usize = 1usize

The minumum number of bytes the storage peripheral can read
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fn read(&mut self, offset: u32, bytes: &mut [u8]) -> Result<(), Self::Error>

Read a slice of data from the storage peripheral, starting the read operation at the given address offset, and reading bytes.len() bytes. Read more
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fn capacity(&self) -> usize

The capacity of the peripheral in bytes.

Auto Trait Implementations§

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impl<'d, MODE> Freeze for Flash<'d, MODE>

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impl<'d, MODE> RefUnwindSafe for Flash<'d, MODE>
where MODE: RefUnwindSafe,

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impl<'d, MODE> Send for Flash<'d, MODE>
where MODE: Send,

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impl<'d, MODE> Sync for Flash<'d, MODE>
where MODE: Sync,

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impl<'d, MODE> Unpin for Flash<'d, MODE>
where MODE: Unpin,

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impl<'d, MODE = Async> !UnwindSafe for Flash<'d, MODE>

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> 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.