pjrc/usb_extra.h

   1 #ifndef USB_EXTRA_H
   2 #define  USB_EXTRA_H 1
   3 /*
   4  * Enhanced keyboard features for Windows:
   5  * Audio control and System control
   6  *
   7  * http://www.microsoft.com/whdc/archive/w2kbd.mspx
   8  */
   9
  10 #include <stdint.h>
  11 #include "usb.h"
  12
  13
  14 #define EXTRA_INTERFACE         3
  15 #define EXTRA_ENDPOINT          4
  16 #define EXTRA_SIZE              8
  17 #define EXTRA_BUFFER            EP_DOUBLE_BUFFER
  18
  19
  20 int8_t usb_extra_consumer_send(uint16_t bits);
  21 int8_t usb_extra_system_send(uint16_t bits);
  22
  23 #endif