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35 lines
715 B
C
35 lines
715 B
C
#ifndef USB_EXTRA_H
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#define USB_EXTRA_H 1
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/*
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* Enhanced keyboard features for Windows:
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* Audio control and System control
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*
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* http://www.microsoft.com/whdc/archive/w2kbd.mspx
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*/
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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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// Consumer Page(0x0C) Consumer Control(0x01)
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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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// Generic Desktop Page(0x01) System Control(0x80)
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#define SYSTEM_POWER_DOWN (1<<0)
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#define SYSTEM_SLEEP (1<<1)
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#define SYSTEM_WAKE_UP (1<<2)
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int8_t usb_extra_audio_send(uint8_t bits);
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int8_t usb_extra_system_send(uint8_t bits);
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#endif
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