/* * Copyright (c) 2022, sakumisu * * SPDX-License-Identifier: Apache-2.0 */ #ifndef USBD_AUDIO_H #define USBD_AUDIO_H #include "usb_audio.h" #ifdef __cplusplus extern "C" { #endif struct audio_entity_info { uint8_t bDescriptorSubtype; uint8_t bEntityId; uint8_t ep; }; /* Init audio interface driver */ struct usbd_interface *usbd_audio_init_intf(uint8_t busid, struct usbd_interface *intf, uint16_t uac_version, struct audio_entity_info *table, uint8_t num); void usbd_audio_open(uint8_t busid, uint8_t intf); void usbd_audio_close(uint8_t busid, uint8_t intf); void usbd_audio_set_volume(uint8_t busid, uint8_t ep, uint8_t ch, int volume); int usbd_audio_get_volume(uint8_t busid, uint8_t ep, uint8_t ch); void usbd_audio_set_mute(uint8_t busid, uint8_t ep, uint8_t ch, bool mute); bool usbd_audio_get_mute(uint8_t busid, uint8_t ep, uint8_t ch); void usbd_audio_set_sampling_freq(uint8_t busid, uint8_t ep, uint32_t sampling_freq); uint32_t usbd_audio_get_sampling_freq(uint8_t busid, uint8_t ep); void usbd_audio_get_sampling_freq_table(uint8_t busid, uint8_t ep, uint8_t **sampling_freq_table); #ifdef __cplusplus } #endif #endif /* USBD_AUDIO_H */