embedded_hal/blocking/
rng.rs

Help

1//! Blocking hardware random number generator
2
3/// Blocking read
4///
5/// *This trait is available if embedded-hal is built with the `"unproven"` feature.*
6#[cfg(feature = "unproven")]
7pub trait Read {
8    /// Error type
9    type Error;
10
11    /// Reads enough bytes from hardware random number generator to fill `buffer`
12    ///
13    /// If any error is encountered then this function immediately returns. The contents of buf are
14    /// unspecified in this case.
15    ///
16    /// If this function returns an error, it is unspecified how many bytes it has read, but it
17    /// will never read more than would be necessary to completely fill the buffer.
18    fn read(&mut self, buffer: &mut [u8]) -> Result<(), Self::Error>;
19}

embedded_hal/blocking/rng.rs

embedded_hal/blocking/
rng.rs