USB Audio Class 2 device public header. More...

#include <zephyr/device.h>

Data Structures
struct	uac2_ops
	USB Audio 2 application event handlers. More...

Macros
#define	UAC2_ENTITY_ID(node)

Functions
void	usbd_uac2_set_ops (const struct device dev, const struct uac2_ops ops, void *user_data)
	Register USB Audio 2 application callbacks.

int	usbd_uac2_send (const struct device dev, uint8_t terminal, void data, uint16_t size)
	Send audio data to output terminal.

Detailed Description

USB Audio Class 2 device public header.

This header describes only class API interaction with application. The audio device itself is modelled with devicetree zephyr,uac2 compatible.

This API is currently considered experimental.

Macro Definition Documentation

◆ UAC2_ENTITY_ID

#define UAC2_ENTITY_ID ( node )

Value:

        ({                                                                      \
                BUILD_ASSERT(DT_NODE_HAS_COMPAT(DT_PARENT(node), zephyr_uac2)); \
                UTIL_INC(DT_NODE_CHILD_IDX(node));                              \
        })

Function Documentation

◆ usbd_uac2_send()

int usbd_uac2_send	(	const struct device *	dev,
		uint8_t	terminal,
		void *	data,
		uint16_t	size
	)

Send audio data to output terminal.

Parameters

dev	USB Audio 2 device
terminal	Output Terminal ID linked to AudioStreaming interface
data	Buffer containing outgoing data
size	Number of bytes to send

Returns: 0 on success, negative value on error

◆ usbd_uac2_set_ops()

void usbd_uac2_set_ops	(	const struct device *	dev,
		const struct uac2_ops *	ops,
		void *	user_data
	)

Register USB Audio 2 application callbacks.