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- #ifndef USB_EXTRA_H
- #define USB_EXTRA_H 1
-
- #include <stdint.h>
- #include "usb.h"
-
-
- #define EXTRA_INTERFACE 3
- #define EXTRA_ENDPOINT 4
- #define EXTRA_SIZE 2
- #define EXTRA_BUFFER EP_DOUBLE_BUFFER
-
- #define AUDIO_VOL_UP (1<<0)
- #define AUDIO_VOL_DOWN (1<<1)
- #define AUDIO_MUTE (1<<2)
-
-
- int8_t usb_extra_send(uint8_t bits);
-
- #endif
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