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devKeyboard.h
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1 /*
2 * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23 #ifndef __DEV_KEYBOARD_H__
24 #define __DEV_KEYBOARD_H__
25
26 #include <stdio.h>
27 #include <stdint.h>
28 #include <string.h>
29 #include <string>
30
31 #include <linux/input-event-codes.h>
32
33
38 class KeyboardDevice
39 {
40 public:
44static KeyboardDevice* Create( const char* path="/dev/input/by-path/platform-i8042-serio-0-event-kbd" );
45
49~KeyboardDevice();
50
54bool Poll( uint32_t timeout=0 );
55
59bool KeyDown( uint32_t code ) const;
60
61 protected:
62// constructor
63KeyboardDevice();
64
65static const int MAX_KEYS = 256;
66
69
71 };
72
73 #endif
74
int mFD
Definition: devKeyboard.h:68
KeyboardDevice::KeyboardDevice
KeyboardDevice()
int mKeyMap[MAX_KEYS]
Definition: devKeyboard.h:67
bool KeyDown(uint32_t code) const
Check if a particular key is pressed.
static const int MAX_KEYS
Definition: devKeyboard.h:65
Keyboard device.
Definition: devKeyboard.h:38
std::string mPath
Definition: devKeyboard.h:70
KeyboardDevice::~KeyboardDevice
~KeyboardDevice()
Destructor.
static KeyboardDevice * Create(const char *path="/dev/input/by-path/platform-i8042-serio-0-event-kbd")
Create device.
bool Poll(uint32_t timeout=0)
Poll the device for updates.