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/* USB Keyboard Plus Debug Channel Example for Teensy USB Development Board
* http : //www.pjrc.com/teensy/usb_keyboard.html
* Copyright ( c ) 2009 PJRC . COM , LLC
*
* Permission is hereby granted , free of charge , to any person obtaining a copy
* of this software and associated documentation files ( the " Software " ) , to deal
* in the Software without restriction , including without limitation the rights
* to use , copy , modify , merge , publish , distribute , sublicense , and / or sell
* copies of the Software , and to permit persons to whom the Software is
* furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER
* LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM ,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE .
*/
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# ifndef USB_EXTRA_H
# define USB_EXTRA_H 1
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/*
* Enhanced keyboard features for Windows :
* Audio control and System control
*
* http : //www.microsoft.com/whdc/archive/w2kbd.mspx
*/
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# include <stdint.h>
# include "usb.h"
# define EXTRA_INTERFACE 3
# define EXTRA_ENDPOINT 4
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# define EXTRA_SIZE 8
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# define EXTRA_BUFFER EP_DOUBLE_BUFFER
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int8_t usb_extra_consumer_send ( uint16_t bits ) ;
int8_t usb_extra_system_send ( uint16_t bits ) ;
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# endif