Struct Es8311 

pub struct Es8311<I2C> { /* private fields */ }

ES8311 driver.

Implementations

impl<I2C: I2c> Es8311<I2C>

pub const fn new(i2c: I2C, addr: u8) -> Self

Wraps a bus handle. Call init before anything else.

pub async fn chip_id(&mut self) -> Result<[u8; 2], I2C::Error>

Reads CHD1/CHD2. Expect CHIP_ID. The chip doesn’t auto-increment on reads, so this reads one register at a time.

pub async fn init(&mut self, delay: &mut impl DelayNs) -> Result<(), I2C::Error>

Resets the codec and programs clocking and the 16-bit I²S format. Leaves it in Mode::Off, DAC muted at Volume::MIN.

pub const fn mode(&self) -> Mode

Current power mode.

pub async fn set_mode(&mut self, mode: Mode) -> Result<(), I2C::Error>

Powers the requested paths. Silence outside playback modes rests on four independent controls: DAC power-down (0x12), DAC mute (0x31), minimum volume until set (0x32), and gated DAC clocks (0x01).

The I²S clock must be running before entering any mode other than Mode::Off.

Paths are powered down before others are powered up, and the DAC mute is left as it is. Call set_dac_mute after the first samples are flowing to avoid a pop.

pub async fn set_mic_gain(&mut self, gain: MicGain) -> Result<(), I2C::Error>

Microphone pre-amplifier gain (applied now if recording).

pub async fn set_adc_volume(&mut self, volume: Volume) -> Result<(), I2C::Error>

Digital ADC volume.

pub async fn set_dac_volume(&mut self, volume: Volume) -> Result<(), I2C::Error>

Digital DAC volume.

pub async fn set_dac_mute(&mut self, mute: bool) -> Result<(), I2C::Error>

Soft-mutes the DAC (both mute bits).

pub fn release(self) -> I2C

Returns the bus handle.