Struct ScratchampHeadphoneProtocol

pub struct ScratchampHeadphoneProtocol;

The protocol implementation for headphone output of Scratchamp.

Trait Implementations

impl AvcAudioFeatureSpecification for ScratchampHeadphoneProtocol

const ENTRIES: &'static [(u8, AudioCh)]

The entries of pair of function block identifier and audio channel.

impl AvcLevelOperation for ScratchampHeadphoneProtocol

const LEVEL_MIN: i16 = -32_768i16

The minimum value of signal level.

const LEVEL_MAX: i16 = 0i16

The maximum value of signal level.

const LEVEL_STEP: i16 = 256i16

The step value of signal level.

fn create_level_parameters() -> AvcLevelParameters

Instantiate parameters.

fn cache_levels( avc: &BebobAvc, params: &mut AvcLevelParameters, timeout_ms: u32, ) -> Result<(), Error>

Cache state of hardware to the parameters.

fn update_levels( avc: &BebobAvc, params: &AvcLevelParameters, old: &mut AvcLevelParameters, timeout_ms: u32, ) -> Result<(), Error>

Update the hardware when detecting any changes in the parameters.

impl Debug for ScratchampHeadphoneProtocol

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

Formats the value using the given formatter.

impl Default for ScratchampHeadphoneProtocol

fn default() -> ScratchampHeadphoneProtocol

Returns the “default value” for a type.