protocol/pjrc/usb_extra.h

   1 /* USB Keyboard Plus Debug Channel Example for Teensy USB Development Board
   2  * http://www.pjrc.com/teensy/usb_keyboard.html
   3  * Copyright (c) 2009 PJRC.COM, LLC
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy
   6  * of this software and associated documentation files (the "Software"), to deal
   7  * in the Software without restriction, including without limitation the rights
   8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  * copies of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21  * THE SOFTWARE.
  22  */
  23
  24 #ifndef USB_EXTRA_H
  25 #define  USB_EXTRA_H 1
  26 /*
  27  * Enhanced keyboard features for Windows:
  28  * Audio control and System control
  29  *
  30  * http://www.microsoft.com/whdc/archive/w2kbd.mspx
  31  */
  32
  33 #include <stdint.h>
  34 #include "usb.h"
  35
  36
  37 #define EXTRA_INTERFACE         3
  38 #define EXTRA_ENDPOINT          4
  39 #define EXTRA_SIZE              8
  40 #define EXTRA_BUFFER            EP_DOUBLE_BUFFER
  41
  42
  43 int8_t usb_extra_consumer_send(uint16_t bits);
  44 int8_t usb_extra_system_send(uint16_t bits);
  45
  46 #endif