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usb_keyboard.hpp
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#pragma once
//=========================================================================//
/*! @file
@brief USB/KEYBOARD Class @n
USB/KEYBOARD から送られて来るデータ列をデコードして ASCII コードを得る。 @n
キーマップに従ったデータを管理する。 @n
通常８バイトのデータが来る。
@author 平松邦仁 (hira@rvf-rc45.net)
@copyright Copyright (C) 2020, 2022 Kunihito Hiramatsu @n
Released under the MIT license @n
https://github.com/hirakuni45/RX/blob/master/LICENSE
*/
//=========================================================================//
#include "common/fixed_fifo.hpp"
#include "tinyusb/src/class/hid/hid.h"
namespace usb {
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
/*!
@brief USB/KEYBOARD class
*/
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
class keyboard {
public:
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
/*!
@brief キー・マップ型
*/
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
enum class MAP : uint8_t {
NONE = HID_KEY_NONE,
A = HID_KEY_A,
B = HID_KEY_B,
C = HID_KEY_C,
D = HID_KEY_D,
E = HID_KEY_E,
F = HID_KEY_F,
G = HID_KEY_G,
H = HID_KEY_H,
I = HID_KEY_I,
J = HID_KEY_J,
K = HID_KEY_K,
L = HID_KEY_L,
M = HID_KEY_M,
N = HID_KEY_N,
O = HID_KEY_O,
P = HID_KEY_P,
Q = HID_KEY_Q,
R = HID_KEY_R,
S = HID_KEY_S,
T = HID_KEY_T,
U = HID_KEY_U,
V = HID_KEY_V,
W = HID_KEY_W,
X = HID_KEY_X,
Y = HID_KEY_Y,
Z = HID_KEY_Z,
_1 = HID_KEY_1,
_2 = HID_KEY_2,
_3 = HID_KEY_3,
_4 = HID_KEY_4,
_5 = HID_KEY_5,
_6 = HID_KEY_6,
_7 = HID_KEY_7,
_8 = HID_KEY_8,
_9 = HID_KEY_9,
_0 = HID_KEY_0,
ENTER = HID_KEY_ENTER,
ESCAPE = HID_KEY_ESCAPE,
BACKSPACE = HID_KEY_BACKSPACE,
TAB = HID_KEY_TAB,
SPACE = HID_KEY_SPACE,
MINUS = HID_KEY_MINUS,
EQUAL = HID_KEY_EQUAL,
BRACKET_LEFT = HID_KEY_BRACKET_LEFT,
BRACKET_RIGHT = HID_KEY_BRACKET_RIGHT,
BACKSLASH = HID_KEY_BACKSLASH,
EUROPE_1 = HID_KEY_EUROPE_1,
SEMICOLON = HID_KEY_SEMICOLON,
APOSTROPHE = HID_KEY_APOSTROPHE,
GRAVE = HID_KEY_GRAVE,
COMMA = HID_KEY_COMMA,
PERIOD = HID_KEY_PERIOD,
SLASH = HID_KEY_SLASH,
CAPS_LOCK = HID_KEY_CAPS_LOCK,
F1 = HID_KEY_F1,
F2 = HID_KEY_F2,
F3 = HID_KEY_F3,
F4 = HID_KEY_F4,
F5 = HID_KEY_F5,
F6 = HID_KEY_F6,
F7 = HID_KEY_F7,
F8 = HID_KEY_F8,
F9 = HID_KEY_F9,
F10 = HID_KEY_F10,
F11 = HID_KEY_F11,
F12 = HID_KEY_F12,
PRINT_SCREEN = HID_KEY_PRINT_SCREEN,
SCROLL_LOCK = HID_KEY_SCROLL_LOCK,
PAUSE = HID_KEY_PAUSE,
INSERT = HID_KEY_INSERT,
HOME = HID_KEY_HOME,
PAGE_UP = HID_KEY_PAGE_UP,
DELETE = HID_KEY_DELETE,
END = HID_KEY_END,
PAGE_DOWN = HID_KEY_PAGE_DOWN,
ARROW_RIGHT = HID_KEY_ARROW_RIGHT,
ARROW_LEFT = HID_KEY_ARROW_LEFT,
ARROW_DOWN = HID_KEY_ARROW_DOWN,
ARROW_UP = HID_KEY_ARROW_UP,
NUM_LOCK = HID_KEY_NUM_LOCK,
KEYPAD_DIVIDE = HID_KEY_KEYPAD_DIVIDE,
KEYPAD_MULTIPLY = HID_KEY_KEYPAD_MULTIPLY,
KEYPAD_SUBTRACT = HID_KEY_KEYPAD_SUBTRACT,
KEYPAD_ADD = HID_KEY_KEYPAD_ADD,
KEYPAD_ENTER = HID_KEY_KEYPAD_ENTER,
KEYPAD_1 = HID_KEY_KEYPAD_1,
KEYPAD_2 = HID_KEY_KEYPAD_2,
KEYPAD_3 = HID_KEY_KEYPAD_3,
KEYPAD_4 = HID_KEY_KEYPAD_4,
KEYPAD_5 = HID_KEY_KEYPAD_5,
KEYPAD_6 = HID_KEY_KEYPAD_6,
KEYPAD_7 = HID_KEY_KEYPAD_7,
KEYPAD_8 = HID_KEY_KEYPAD_8,
KEYPAD_9 = HID_KEY_KEYPAD_9,
KEYPAD_0 = HID_KEY_KEYPAD_0,
KEYPAD_DECIMAL = HID_KEY_KEYPAD_DECIMAL,
#if 0
#define HID_KEY_EUROPE_2 0x64
#define HID_KEY_APPLICATION 0x65
#define HID_KEY_POWER 0x66
#define HID_KEY_KEYPAD_EQUAL 0x67
#define HID_KEY_F13 0x68
#define HID_KEY_F14 0x69
#define HID_KEY_F15 0x6A
#define HID_KEY_F16 0x6B
#define HID_KEY_F17 0x6C
#define HID_KEY_F18 0x6D
#define HID_KEY_F19 0x6E
#define HID_KEY_F20 0x6F
#define HID_KEY_F21 0x70
#define HID_KEY_F22 0x71
#define HID_KEY_F23 0x72
#define HID_KEY_F24 0x73
#define HID_KEY_EXECUTE 0x74
#define HID_KEY_HELP 0x75
#define HID_KEY_MENU 0x76
#define HID_KEY_SELECT 0x77
#define HID_KEY_STOP 0x78
#define HID_KEY_AGAIN 0x79
#define HID_KEY_UNDO 0x7A
#define HID_KEY_CUT 0x7B
#define HID_KEY_COPY 0x7C
#define HID_KEY_PASTE 0x7D
#define HID_KEY_FIND 0x7E
#define HID_KEY_MUTE 0x7F
#define HID_KEY_VOLUME_UP 0x80
#define HID_KEY_VOLUME_DOWN 0x81
#define HID_KEY_LOCKING_CAPS_LOCK 0x82
#define HID_KEY_LOCKING_NUM_LOCK 0x83
#define HID_KEY_LOCKING_SCROLL_LOCK 0x84
#define HID_KEY_KEYPAD_COMMA 0x85
#define HID_KEY_KEYPAD_EQUAL_SIGN 0x86
#define HID_KEY_KANJI1 0x87
#define HID_KEY_KANJI2 0x88
#define HID_KEY_KANJI3 0x89
#define HID_KEY_KANJI4 0x8A
#define HID_KEY_KANJI5 0x8B
#define HID_KEY_KANJI6 0x8C
#define HID_KEY_KANJI7 0x8D
#define HID_KEY_KANJI8 0x8E
#define HID_KEY_KANJI9 0x8F
#define HID_KEY_LANG1 0x90
#define HID_KEY_LANG2 0x91
#define HID_KEY_LANG3 0x92
#define HID_KEY_LANG4 0x93
#define HID_KEY_LANG5 0x94
#define HID_KEY_LANG6 0x95
#define HID_KEY_LANG7 0x96
#define HID_KEY_LANG8 0x97
#define HID_KEY_LANG9 0x98
#define HID_KEY_ALTERNATE_ERASE 0x99
#define HID_KEY_SYSREQ_ATTENTION 0x9A
#define HID_KEY_CANCEL 0x9B
#define HID_KEY_CLEAR 0x9C
#define HID_KEY_PRIOR 0x9D
#define HID_KEY_RETURN 0x9E
#define HID_KEY_SEPARATOR 0x9F
#define HID_KEY_OUT 0xA0
#define HID_KEY_OPER 0xA1
#define HID_KEY_CLEAR_AGAIN 0xA2
#define HID_KEY_CRSEL_PROPS 0xA3
#define HID_KEY_EXSEL 0xA4
#endif
};
/// 特殊キービット列定数
static constexpr uint8_t SP_CTRL_LEFT = KEYBOARD_MODIFIER_LEFTCTRL; ///< Left Control
static constexpr uint8_t SP_SHIFT_LEFT = KEYBOARD_MODIFIER_LEFTSHIFT; ///< Left Shift
static constexpr uint8_t SP_ALT_LEFT = KEYBOARD_MODIFIER_LEFTALT; ///< Left Alt
static constexpr uint8_t SP_GUI_LEFT = KEYBOARD_MODIFIER_LEFTGUI; ///< Left Window
static constexpr uint8_t SP_CTRL_RIGHT = KEYBOARD_MODIFIER_RIGHTCTRL; ///< Right Control
static constexpr uint8_t SP_SHIFT_RIGHT = KEYBOARD_MODIFIER_RIGHTSHIFT; ///< Right Shift
static constexpr uint8_t SP_ALT_RIGHT = KEYBOARD_MODIFIER_RIGHTALT; ///< Right Alt
static constexpr uint8_t SP_GUI_RIGHT = KEYBOARD_MODIFIER_RIGHTGUI; ///< Right Window
/// LED ビット列定数
static constexpr uint8_t LED_NUMLOCK = KEYBOARD_LED_NUMLOCK; ///< Num Lock LED
static constexpr uint8_t LED_CAPSLOCK = KEYBOARD_LED_CAPSLOCK; ///< Caps Lock LED
static constexpr uint8_t LED_SCROLLLOCK = KEYBOARD_LED_SCROLLLOCK; ///< Scroll Lock LED
static constexpr uint8_t LED_COMPOSE = KEYBOARD_LED_COMPOSE; ///< Composition Mode
static constexpr uint8_t LED_KANA = KEYBOARD_LED_KANA; ///< Kana mode
struct key_t {
char code;
MAP map;
key_t(char c = '\0', MAP m = MAP::NONE) noexcept : code(c), map(m) { }
};
typedef utils::fixed_fifo<key_t, 16> FIFO;
private:
static constexpr uint8_t KEY_BUFF_NUM = 8;
uint16_t vid_;
uint16_t pid_;
uint8_t key_pad_[KEY_BUFF_NUM];
bool shift_;
bool ctrl_;
bool num_lock_;
bool caps_lock_;
bool scroll_lock_;
bool probe_;
uint8_t led_bits_;
FIFO fifo_;
char convert_map_to_ascii_(uint8_t map)
{
char ch = 0;
switch(static_cast<MAP>(map)) {
case MAP::_1:
if(shift_) ch = '!'; else ch = '1';
break;
case MAP::_2:
if(shift_) ch = '@'; else ch = '2';
break;
case MAP::_3:
if(shift_) ch = '#'; else ch = '3';
break;
case MAP::_4:
if(shift_) ch = '$'; else ch = '4';
break;
case MAP::_5:
if(shift_) ch = '%'; else ch = '5';
break;
case MAP::_6:
if(shift_) ch = '^'; else ch = '6';
break;
case MAP::_7:
if(shift_) ch = '&'; else ch = '7';
break;
case MAP::_8:
if(shift_) ch = '*'; else ch = '8';
break;
case MAP::_9:
if(shift_) ch = '('; else ch = '9';
break;
case MAP::_0:
if(shift_) ch = ')'; else ch = '0';
break;
case MAP::MINUS:
if(shift_) ch = '_'; else ch = '-';
break;
case MAP::EQUAL:
if(shift_) ch = '+'; else ch = '=';
break;
case MAP::BRACKET_LEFT:
if(shift_) ch = '{'; else ch = '[';
break;
case MAP::BRACKET_RIGHT:
if(shift_) ch = '}'; else ch = ']';
break;
case MAP::BACKSLASH:
if(shift_) ch = '|'; else ch = '\\';
break;
case MAP::SEMICOLON:
if(shift_) ch = ':'; else ch = ';';
break;
case MAP::APOSTROPHE:
if(shift_) ch = '"'; else ch = '\'';
break;
case MAP::COMMA:
if(shift_) ch = '<'; else ch = ',';
break;
case MAP::PERIOD:
if(shift_) ch = '>'; else ch = '.';
break;
case MAP::SLASH:
if(shift_) ch = '?'; else ch = '/';
break;
case MAP::GRAVE:
if(shift_) ch = '~'; else ch = '`';
break;
case MAP::BACKSPACE: return 0x08;
case MAP::TAB: return 0x09;
case MAP::ESCAPE: return 0x1B;
case MAP::ENTER: return 0x0D;
case MAP::SPACE: return 0x20;
case MAP::DELETE: return 0x7F;
case MAP::NUM_LOCK:
num_lock_ = !num_lock_;
break;
case MAP::CAPS_LOCK:
caps_lock_ = !caps_lock_;
break;
case MAP::SCROLL_LOCK:
scroll_lock_ = !scroll_lock_;
break;
case MAP::KEYPAD_DIVIDE: return '/';
case MAP::KEYPAD_MULTIPLY: return '*';
case MAP::KEYPAD_SUBTRACT: return '-';
case MAP::KEYPAD_ADD: return '+';
case MAP::KEYPAD_ENTER: return 0x0D;
case MAP::KEYPAD_1: return '1';
case MAP::KEYPAD_2: return '2';
case MAP::KEYPAD_3: return '3';
case MAP::KEYPAD_4: return '4';
case MAP::KEYPAD_5: return '5';
case MAP::KEYPAD_6: return '6';
case MAP::KEYPAD_7: return '7';
case MAP::KEYPAD_8: return '8';
case MAP::KEYPAD_9: return '9';
case MAP::KEYPAD_0: return '0';
case MAP::KEYPAD_DECIMAL: return '.';
default:
if(map >= static_cast<uint8_t>(MAP::A) && map <= static_cast<uint8_t>(MAP::Z)) {
ch = map - static_cast<uint8_t>(MAP::A) + 'a';
}
if(shift_) {
if(!caps_lock_) ch -= 0x20;
} else {
if(caps_lock_) ch -= 0x20;
}
break;
}
if(ctrl_) {
if(ch >= 0x40 && ch <= 0x5f) {
ch -= 0x40;
} else if(ch >= 0x60 && ch <= 0x7f) {
ch -= 0x60;
}
}
led_bits_ = 0;
if(num_lock_) led_bits_ |= LED_NUMLOCK;
if(caps_lock_) led_bits_ |= LED_CAPSLOCK;
if(scroll_lock_) led_bits_ |= LED_SCROLLLOCK;
return ch;
}
public:
//-----------------------------------------------------------------//
/*!
@brief コンストラクター
*/
//-----------------------------------------------------------------//
keyboard() noexcept :
vid_(0), pid_(0),
key_pad_{ 0 }, shift_(false), ctrl_(false),
num_lock_(false), caps_lock_(false), scroll_lock_(false), probe_(false), led_bits_(0),
fifo_()
{ }
//-----------------------------------------------------------------//
/*!
@brief mount（デバイスが、umount されたら呼ぶ）
@param[in] vid デバイスの VID
@param[in] pid デバイスの PID
*/
//-----------------------------------------------------------------//
void mount(uint16_t vid, uint16_t pid) noexcept
{
vid_ = vid;
pid_ = pid;
for(uint8_t i = 0; i < KEY_BUFF_NUM; ++i) {
key_pad_[i] = 0;
}
shift_ = false;
ctrl_ = false;
num_lock_ = false;
caps_lock_ = false;
scroll_lock_ = false;
probe_ = false;
led_bits_ = 0;
fifo_.clear();
}
//-----------------------------------------------------------------//
/*!
@brief unmount（デバイスが、umount されたら呼ぶ）
*/
//-----------------------------------------------------------------//
void unmount() noexcept
{
fifo_.clear();
}
void injection(const uint8_t* msg, uint16_t len) noexcept
{
if(len > KEY_BUFF_NUM) {
len = KEY_BUFF_NUM;
}
if((msg[0] & (SP_CTRL_LEFT | SP_CTRL_RIGHT)) != 0) {
ctrl_ = true;
} else {
ctrl_ = false;
}
if((msg[0] & (SP_SHIFT_LEFT | SP_SHIFT_RIGHT)) != 0) {
shift_ = true;
} else {
shift_ = false;
}
for(uint8_t i = 2; i < len; ++i) {
if(msg[i] != 0) {
bool first = true;
for(uint8_t j = 2; j < len; ++j) {
if(key_pad_[j] == msg[i]) {
first = false;
break;
}
}
if(first) {
auto ch = convert_map_to_ascii_(msg[i]);
if(ch != 0) {
if(fifo_.length() >= (fifo_.size() - 1)) {
fifo_.get(); // 先頭を捨てる
}
fifo_.put(key_t(ch, static_cast<MAP>(msg[i])));
}
}
}
}
for(uint8_t i = 0; i < len; ++i) {
key_pad_[i] = msg[i];
}
probe_ = true;
// memcpy(key_pad_, msg, len);
}
//-----------------------------------------------------------------//
/*!
@brief キーボードが接続されているか検査
@return キーボードが接続されている場合「true」
*/
//-----------------------------------------------------------------//
bool probe() const noexcept { return true; }
//-----------------------------------------------------------------//
/*!
@brief 特殊キーの状態を取得 @n
CTRL, SHIFT, ALT, GUI キーの状態
@return 特殊キーの状態
*/
//-----------------------------------------------------------------//
auto get_sp_key_state() const noexcept { return key_pad_[0]; }
//-----------------------------------------------------------------//
/*!
@brief LED の状態を取得
@return LED の状態
*/
//-----------------------------------------------------------------//
auto get_led_state() const noexcept { return led_bits_; }
//-----------------------------------------------------------------//
/*!
@brief 入力数を取得
@return 入力数
*/
//-----------------------------------------------------------------//
auto get_num() const noexcept { return fifo_.length(); }
//-----------------------------------------------------------------//
/*!
@brief 入力キーを取得 @n
文字が無い場合「０、MAP::NONE」が返る。
@return 入力キー
*/
//-----------------------------------------------------------------//
auto get_key() noexcept
{
if(fifo_.length() > 0) {
return fifo_.get();
} else {
return key_t('\0', MAP::NONE);
}
}
};
}