Trait device_register::EditRegister

pub trait EditRegister<R, A>where
    R: EditableRegister<Address = A>,{
    type Error;

    fn edit<F>(&mut self, f: F) -> Result<(), Self::Error>
    where
        for<'w> F: FnOnce(&'w mut R) -> &'w mut R;
}

Trait to safely read-edit-write a register. Usefull when a register has reserved values for internal uses. Avoids writing garbage to the reserved bits.

Required Associated Types

type Error

Error type returned by editing the register

Required Methods

fn edit<F>(&mut self, f: F) -> Result<(), Self::Error>where
    for<'w> F: FnOnce(&'w mut R) -> &'w mut R,

Edit a register. The closure takes a reference to the register, the same register must be edited, then returned.

Implementors

impl<I, R, A> EditRegister<R, A> for Iwhere
    R: EditableRegister<Address = A>,
    I: RegisterInterface<R, A>,

type Error = <I as RegisterInterface<R, A>>::Error