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CherryUSB/class/audio/usbd_audio.h
2021-11-29 10:32:05 +08:00

38 lines
862 B
C

/**
* @file
* @brief USB Audio Device Class public header
*
* Header follows below documentation:
* - USB Device Class Definition for Audio Devices (audio10.pdf)
*
* Additional documentation considered a part of USB Audio v1.0:
* - USB Device Class Definition for Audio Data Formats (frmts10.pdf)
* - USB Device Class Definition for Terminal Types (termt10.pdf)
*/
#ifndef _USBD_AUDIO_H_
#define _USBD_AUDIO_H_
#include "usb_audio.h"
#ifdef __cplusplus
extern "C" {
#endif
struct usbd_audio_control_info {
uint16_t vol_min;
uint16_t vol_max;
uint16_t vol_res;
uint16_t vol_current;
uint8_t mute;
};
void usbd_audio_add_interface(usbd_class_t *class, usbd_interface_t *intf);
void usbd_audio_set_interface_callback(uint8_t value);
void usbd_audio_set_volume(uint8_t vol);
#ifdef __cplusplus
}
#endif
#endif /* _USB_AUDIO_H_ */