Keyboard.h

/*
  Keyboard.h

  Copyright (c) 2015, Arduino LLC
  Original code (pre-library): Copyright (c) 2011, Peter Barrett

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef KEYBOARD_h
#define KEYBOARD_h

#include <Arduino.h>

#if !defined(USBCON) || !defined(USBD_USE_HID_COMPOSITE)

#error "USB HID not enabled! Select 'HID' in the 'Tools->USB interface' menu."

#else

//================================================================================
//================================================================================
//  Keyboard

#define KEY_LEFT_CTRL   0x80
#define KEY_LEFT_SHIFT    0x81
#define KEY_LEFT_ALT    0x82
#define KEY_LEFT_GUI    0x83
#define KEY_RIGHT_CTRL    0x84
#define KEY_RIGHT_SHIFT   0x85
#define KEY_RIGHT_ALT   0x86
#define KEY_RIGHT_GUI   0x87

#define KEY_UP_ARROW    0xDA
#define KEY_DOWN_ARROW    0xD9
#define KEY_LEFT_ARROW    0xD8
#define KEY_RIGHT_ARROW   0xD7
#define KEY_BACKSPACE   0xB2
#define KEY_TAB       0xB3
#define KEY_RETURN      0xB0
#define KEY_ESC       0xB1
#define KEY_INSERT      0xD1
#define KEY_DELETE      0xD4
#define KEY_PAGE_UP     0xD3
#define KEY_PAGE_DOWN   0xD6
#define KEY_HOME      0xD2
#define KEY_END       0xD5
#define KEY_CAPS_LOCK   0xC1
#define KEY_F1        0xC2
#define KEY_F2        0xC3
#define KEY_F3        0xC4
#define KEY_F4        0xC5
#define KEY_F5        0xC6
#define KEY_F6        0xC7
#define KEY_F7        0xC8
#define KEY_F8        0xC9
#define KEY_F9        0xCA
#define KEY_F10       0xCB
#define KEY_F11       0xCC
#define KEY_F12       0xCD
#define KEY_F13       0xF0
#define KEY_F14       0xF1
#define KEY_F15       0xF2
#define KEY_F16       0xF3
#define KEY_F17       0xF4
#define KEY_F18       0xF5
#define KEY_F19       0xF6
#define KEY_F20       0xF7
#define KEY_F21       0xF8
#define KEY_F22       0xF9
#define KEY_F23       0xFA
#define KEY_F24       0xFB  // Keyboard F24

//  Low level key report: up to 6 keys and shift, ctrl etc at once
typedef struct {
  uint8_t modifiers;
  uint8_t reserved;
  uint8_t keys[6];
} KeyReport;

class Keyboard_ : public Print {
  private:
    KeyReport _keyReport;
    void sendReport(KeyReport *keys);
  public:
    Keyboard_(void);
    void begin(void);
    void end(void);
    size_t write(uint8_t k);
    size_t press(uint8_t k);
    size_t release(uint8_t k);
    void releaseAll(void);
};
extern Keyboard_ Keyboard;

#endif
#endif