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https://github.com/qmk/qmk_firmware
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20 lines
332 B
C
20 lines
332 B
C
#ifndef USB_EXTRA_H
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#define USB_EXTRA_H 1
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#include <stdint.h>
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#include "usb.h"
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#define EXTRA_INTERFACE 3
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#define EXTRA_ENDPOINT 4
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#define EXTRA_SIZE 2
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#define EXTRA_BUFFER EP_DOUBLE_BUFFER
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#define AUDIO_VOL_UP (1<<0)
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#define AUDIO_VOL_DOWN (1<<1)
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#define AUDIO_MUTE (1<<2)
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int8_t usb_extra_send(uint8_t bits);
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#endif
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