[−][src]Trait embedded_sdmmc::BlockDevice

pub trait BlockDevice {
    type Error: Debug;
    fn read(
        &self, 
        blocks: &mut [Block], 
        start_block_idx: BlockIdx, 
        reason: &str
    ) -> Result<(), Self::Error>;

    fn write(
        &self, 
        blocks: &[Block], 
        start_block_idx: BlockIdx
    ) -> Result<(), Self::Error>;

    fn num_blocks(&self) -> Result<BlockCount, Self::Error>;
}

Represents a block device - a device which can read and write blocks (or sectors). Only supports devices which are <= 2 TiB in size.

Associated Types

type Error: Debug

The errors that the BlockDevice can return. Must be debug formattable.

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Required methods

fn read(
    &self,
    blocks: &mut [Block],
    start_block_idx: BlockIdx,
    reason: &str
) -> Result<(), Self::Error>

Read one or more blocks, starting at the given block index.

fn write(
    &self,
    blocks: &[Block],
    start_block_idx: BlockIdx
) -> Result<(), Self::Error>

Write one or more blocks, starting at the given block index.

fn num_blocks(&self) -> Result<BlockCount, Self::Error>

Determine how many blocks this device can hold.

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Implementors

impl<SPI, CS> BlockDevice for SdMmcSpi<SPI, CS> where
    SPI: FullDuplex<u8>,
    <SPI as FullDuplex<u8>>::Error: Debug,
    CS: OutputPin, [src]

type Error = Error

fn read(
    &self,
    blocks: &mut [Block],
    start_block_idx: BlockIdx,
    _reason: &str
) -> Result<(), Self::Error>[src]

Read one or more blocks, starting at the given block index.

fn write(
    &self,
    blocks: &[Block],
    start_block_idx: BlockIdx
) -> Result<(), Self::Error>[src]

Write one or more blocks, starting at the given block index.

fn num_blocks(&self) -> Result<BlockCount, Self::Error>[src]

Determine how many blocks this device can hold.

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