Crate wm8731_another_hal

A thin HAL to control and configure the Cirrus Logic/Wolfson WM8731 audio codec

This crate provide abstractions to communicate with the WM8731 Software Control Interface and edit content of Control Registers. Look Wm8731 documentation to know how to control the codec.

Part of this documentation refers to WM8731 datasheets. Copy are available in the project repository.

Modules

interface

Handle communication details

prelude

Prelude. Bring into scope everything you need for most common use.

registers

Registers of Wm8731 codec.

Structs

HpVoldB

Headphone volume in dB

InVoldB

Abstraction to represent input volume in dB.

SamplingRates

Abstraction for Sampling Rates. Replace USB/NORMAL, BOSR and SR fields representation.

SideAttdB

Mic to output attenuation in dB. Beware, greater value mean greater attenuation, ie lower volume.

Wm8731

Wm8731 Control Interface Abstraction.

Enums

DeempV

De-emphasis filter selection.

FormatV

Audio data format selection.

InselV

Inputs to ADC selection.

IwlV

Input audio data bit length selection.

MsV

Master or slave mode selection.