Revise package WM8994, packages Audio and STM32.Board for F746 and F769#477

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pat-rogers wants to merge 22 commits into

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pat-rogers:audio_wm8994

Commits on May 13, 2026

adding/revising WM8994 driver and Audio wrapper driver for it

Pat Rogers
authored and
pat-rogers
committed
use new IO package for WM8994, with constants for register addresses

Pat Rogers
authored and
pat-rogers
committed
better name for procedure Play

Pat Rogers
authored and
pat-rogers
committed
Move to signed 16-bit PCM samples, rather than unsigned

Pat Rogers
authored and
pat-rogers
committed
Add important comments re: mystery code and update copyright year

Pat Rogers
authored and
pat-rogers
committed
Make the output device type use a static predicate to limit the options

Pat Rogers
authored and
pat-rogers
committed
Change type names to match WM8994 datasheet.
pat-rogers
committed
use new name for WM8994_Audio_Device
pat-rogers
committed
change procedure name Start_Playing back to Play
pat-rogers
committed
use a "private with" for Ravenscar_Time
pat-rogers
committed
Minor name refactoring for consistency within the package
pat-rogers
committed
Move the odd package-level Boolean objects to be components of the primary ADT
pat-rogers
committed
Update for type name change in package WM8994, in which Analog_Outputs was changed back to Output_Device
pat-rogers
committed
Remove immediate internal read after write in procedure I2C_Write.
pat-rogers
committed
Keep track of which output is selected and only manipulate the hardware for that selection.
pat-rogers
committed
Refactor sequences of I2C writes into internal help er procedures for readability/comprehension
pat-rogers
committed
Minor formatting and formal parameter name changes
pat-rogers
committed
Add ability to specify the incoming sample bit width
pat-rogers
committed
Update due to new WM889 CODEC ability to set sample bit width.
pat-rogers
committed

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Revise package WM8994, packages Audio and STM32.Board for F746 and F769#477

Revise package WM8994, packages Audio and STM32.Board for F746 and F769#477
pat-rogers wants to merge 22 commits into
AdaCore:masterfrom
pat-rogers:audio_wm8994

Commits on May 13, 2026

adding/revising WM8994 driver and Audio wrapper driver for it

use new IO package for WM8994, with constants for register addresses

better name for procedure Play

Move to signed 16-bit PCM samples, rather than unsigned

Add important comments re: mystery code and update copyright year

Make the output device type use a static predicate to limit the options

Change type names to match WM8994 datasheet.

use new name for WM8994_Audio_Device

change procedure name Start_Playing back to Play

use a "private with" for Ravenscar_Time

Minor name refactoring for consistency within the package

Move the odd package-level Boolean objects to be components of the primary ADT

Update for type name change in package WM8994, in which Analog_Outputs was changed back to Output_Device

Remove immediate internal read after write in procedure I2C_Write.

Keep track of which output is selected and only manipulate the hardware for that selection.

Refactor sequences of I2C writes into internal help er procedures for readability/comprehension

Minor formatting and formal parameter name changes

Add ability to specify the incoming sample bit width

Update due to new WM889 CODEC ability to set sample bit width.

Commits on May 14, 2026

No need for Audio_Device to be aliased

In Audio.Set_Audio_Clock, add support for missing frequencies

Updates for sake of changes to WM8994 package.