imxrt-dma 0.2.0

DMA driver for i.MX RT processors
Documentation 
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//! Trait to generalize acceptable DMA transfer elements

/// Describes a transferrable DMA element; basically, an unsigned
/// integer of any size.
pub trait Element: Copy + private::Sealed {
    /// An identifier describing the data transfer size
    ///
    /// Part of the TCD API; see documentation on TCD\[SSIZE\]
    /// and TCD\[DSIZE\] for more information.
    const DATA_TRANSFER_ID: u8;
}

impl Element for u8 {
    const DATA_TRANSFER_ID: u8 = 0;
}

impl Element for u16 {
    const DATA_TRANSFER_ID: u8 = 1;
}

impl Element for u32 {
    const DATA_TRANSFER_ID: u8 = 2;
}

impl Element for u64 {
    const DATA_TRANSFER_ID: u8 = 3;
}

mod private {
    pub trait Sealed {}

    impl Sealed for u8 {}
    impl Sealed for u16 {}
    impl Sealed for u32 {}
    impl Sealed for u64 {}
}