black_pill_audio

usb audio device for the STM32F411CE black pill board

• for setup and config see https://github.com/STM32Libs/black_pill_cdc

usb audio

This example is using the CubeMX generated USB Audio middleware

Middleware / USB_DEVICE / Class For FS IP / Audio Device Class

usb audio init

usb audio data out

USB User manual

• STM32Cube usb device library user manual

USB Peripheral Datasheet

USB Audio expansion

STM32 USB Device Audio Streaming software expansion for STM32Cube

Samples Comparision

• CubeMX : 6.0.1
• AWECore : ST_EVAL_CortexM4 Release-8.B.5.1_ST_Eval_build61
• STM32CubeExpansion_USBAudioStreaming : V1.0.0

STM32F4xx_HAL_Driver

CubeMX	Expansion USBAudioStreaming	AWE Sample
2016	2017 update	2016 base
	no HS FS
removed LS_PHY_6MHZ		DMA enable in USB_DevInit

USB Lib Class Audio

CubeMX	Expansion USBAudioStreaming	AWE Sample
2015 update	2015
added AUDIO_HS/FS_BINTERVAL
added AUDIO_IN/OUT_TC
added PeriodicTC params
return with types
	ST 2015	ST version 2.4.2 dec 2015
	audio out	audio in/out HID in/out
	mute only	volume
		added cs43l22 and Disc platform
	desc in usbd_audio.c	ext from USBDescriptors.c
	USBD_AUDIO_Sync	no USBD_AUDIO_Sync own asrc

USB App

CubeMX	Expansion USBAudioStreaming	AWE Sample
usbd_audio_if v1.0_Cube 2020	MCD App 2019	2016
usbd_audio_if.h similar		similar
usbd_audio.c is in Class lib		V2.4.2 11 dec 2015
1 Audio Streaming interface	2 Audio Streaming interfaces	1 Audio streaming ?