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//! # BlockDevice trait
//! ```rust
//! pub trait BlockDevice {
//!     const BLOCK_SIZE: u32 = 512;
//!
//!     type Error;
//!     fn read(&self, buf: &mut [u8], address: usize, number_of_blocks: usize) -> Result<(), Self::Error>;
//!     fn write(&self, buf: &[u8], address: usize, number_of_blocks: usize) -> Result<(), Self::Error>;
//! }
//! ```

#![no_std]

/// BlockDevice trait
pub trait BlockDevice {
    // size in Bytes for one block
    const BLOCK_SIZE: u32 = 512;
    type Error;
    fn read(
        &self,
        buf: &mut [u8],
        address: usize,
        number_of_blocks: usize,
    ) -> Result<(), Self::Error>;
    fn write(&self, buf: &[u8], address: usize, number_of_blocks: usize)
        -> Result<(), Self::Error>;
}