Audio USB interface API for Audio applications. More...

Macros
#define	USB_1MS_BLOCKS_NUM_MAX

#define	USB_BLOCK_1MS_MONO_SIZE (CONFIG_AUDIO_SAMPLE_RATE_HZ * CONFIG_AUDIO_BIT_DEPTH_OCTETS / MSEC_PER_SEC)

#define	USB_BLOCK_MULTI_CHAN_1MS_SIZE (USB_BLOCK_1MS_MONO_SIZE * MAX(CONFIG_AUDIO_INPUT_CHANNELS, CONFIG_AUDIO_OUTPUT_CHANNELS))

Functions
struct usbd_context *	audio_usbd_init_device (usbd_msg_cb_t msg_cb)

bool	audio_usb_headphones_out_enabled (void)
	Get the state of the USB devices headphones out.

bool	audio_usb_headset_out_enabled (void)
	Get the state of the USB devices headset out.

bool	audio_usb_headset_in_enabled (void)
	Get the state of the USB devices headset in.

int	audio_usb_start (struct k_msgq audio_q_out_ptr, struct k_msgq audio_q_in_ptr)
	Set pointers to the queues to be used by the USB module and start sending/receiving data.

int	audio_usb_stop (void)
	Stop sending/receiving data.

int	audio_usb_disable (void)
	Stop and disable USB device.

int	audio_usb_init (bool host_in, bool host_out)
	Register and enable USB device.

Detailed Description

Audio USB interface API for Audio applications.

This module provides USB audio functionality, enabling audio input/output through USB connections.

Macros