Struct GpdmaStreamConfig 

#[repr(C)]
pub struct GpdmaStreamConfig {

    pub channel: u16,
    pub stream: u16,
    pub controller: u16,
    pub transfer_type: u16,
    pub source: usize,
    pub dest: usize,
    pub transfer_len: usize,
    pub circular_source: bool,
    pub circular_dest: bool,
    pub interrupts: u8,
    pub is_triggered: bool,
    pub trigger: u8,
    pub priority: u8,
    pub transfer_mode: u8,
    pub src_beat_len: u8,
    pub dest_beat_len: u8,
}

DMA static configuration information

Usage

This structure is delivered by the kernel into svc_exchange when calling successfully crate::syscall::dma_get_stream_info().

The structure content correspond to the static build-time information as defined in the device-tree and do not require any DTS manipulation in user-space.

Example

let dmacfg: dma_stream_cfg;
match get_dma_stream_info(dmah) {
   Status::Ok => (svc_exchange::copy_from(&dma_stream_cfg, mem::sizeof(dma_stream_cfg)))
}

Fields

channel: u16

stream: u16

controller: u16

transfer_type: u16

source: usize

dest: usize

transfer_len: usize

circular_source: bool

circular_dest: bool

interrupts: u8

is_triggered: bool

trigger: u8

priority: u8

transfer_mode: u8

src_beat_len: u8

dest_beat_len: u8

Trait Implementations

impl Clone for GpdmaStreamConfig

fn clone(&self) -> GpdmaStreamConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for GpdmaStreamConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for GpdmaStreamConfig