pub struct R(_);
Expand description
Register CTRL
reader
Implementations
sourceimpl R
impl R
sourcepub fn mode(&self) -> MODE_R
pub fn mode(&self) -> MODE_R
Bits 0:2 - The operational mode to use, or 0 if none. Note that the CONFIG register will indicate if specific modes beyond SHA1 and SHA2-256 are available.
sourcepub fn dma_i(&self) -> DMA_I_R
pub fn dma_i(&self) -> DMA_I_R
Bit 8 - Written with 1 to use DMA to fill INDATA. If Hash, will request from DMA for 16 words and then will process the Hash. If Cryptographic, it will load as many words as needed, including key if not already loaded. It will then request again. Normal model is that the DMA interrupts the processor when its length expires. Note that if the processor will write the key and optionally IV, it should not enable this until it has done so. Otherwise, the DMA will be expected to load those for the 1st block (when needed).
sourcepub fn dma_o(&self) -> DMA_O_R
pub fn dma_o(&self) -> DMA_O_R
Bit 9 - Written to 1 to use DMA to drain the digest/output. If both DMA_I and DMA_O are set, the DMA has to know to switch direction and the locations. This can be used for crypto uses.
sourcepub fn hashswpb(&self) -> HASHSWPB_R
pub fn hashswpb(&self) -> HASHSWPB_R
Bit 12 - If 1, will swap bytes in the word for SHA hashing. The default is byte order (so LSB is 1st byte) but this allows swapping to MSB is 1st such as is shown in SHS spec. For cryptographic swapping, see the CRYPTCFG register.
Methods from Deref<Target = R<CTRL_SPEC>>
Trait Implementations
Auto Trait Implementations
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more