📄 keyboard.h
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/* * Keyboard driver * Copyright (c) 2001, David H. Hovemeyer <daveho@cs.umd.edu> * $Revision: 1.13 $ * * This is free software. You are permitted to use, * redistribute, and modify it as specified in the file "COPYING". */#ifndef GEEKOS_KEYBOARD_H#define GEEKOS_KEYBOARD_H#include <geekos/ktypes.h>/* ---------------------------------------------------------------------- * Hardware stuff * ---------------------------------------------------------------------- */#ifdef GEEKOS#define KB_IRQ 1/* * I/O ports */#define KB_CMD 0x64#define KB_DATA 0x60/* * Bits in status port */#define KB_OUTPUT_FULL 0x01/* * High bit in scan code is set when key is released */#define KB_KEY_RELEASE 0x80#endif /* GEEKOS *//* ---------------------------------------------------------------------- * Software keycodes * ---------------------------------------------------------------------- *//* * Each keyboard event generates a 16 bit code. * - The low 10 bits indicate which key was used. * - If bit 8 (KEY_SPECIAL_FLAG) is 0, then the low 8 bits contain * the ASCII code. * - The flags indicate the shift/alt/control state, * and whether the event was a make or release. */typedef ushort_t Keycode;/* * Flags */#define KEY_SPECIAL_FLAG 0x0100#define KEY_KEYPAD_FLAG 0x0200#define KEY_SHIFT_FLAG 0x1000#define KEY_ALT_FLAG 0x2000#define KEY_CTRL_FLAG 0x4000#define KEY_RELEASE_FLAG 0x8000/* * Special key codes */#define _SPECIAL(num) (KEY_SPECIAL_FLAG | (num))#define KEY_UNKNOWN _SPECIAL(0)#define KEY_F1 _SPECIAL(1)#define KEY_F2 _SPECIAL(2)#define KEY_F3 _SPECIAL(3)#define KEY_F4 _SPECIAL(4)#define KEY_F5 _SPECIAL(5)#define KEY_F6 _SPECIAL(6)#define KEY_F7 _SPECIAL(7)#define KEY_F8 _SPECIAL(8)#define KEY_F9 _SPECIAL(9)#define KEY_F10 _SPECIAL(10)#define KEY_F11 _SPECIAL(11)#define KEY_F12 _SPECIAL(12)#define KEY_LCTRL _SPECIAL(13)#define KEY_RCTRL _SPECIAL(14)#define KEY_LSHIFT _SPECIAL(15)#define KEY_RSHIFT _SPECIAL(16)#define KEY_LALT _SPECIAL(17)#define KEY_RALT _SPECIAL(18)#define KEY_PRINTSCRN _SPECIAL(19)#define KEY_CAPSLOCK _SPECIAL(20)#define KEY_NUMLOCK _SPECIAL(21)#define KEY_SCRLOCK _SPECIAL(22)#define KEY_SYSREQ _SPECIAL(23)/* * Keypad keys */#define KEYPAD_START 128#define _KEYPAD(num) (KEY_KEYPAD_FLAG | KEY_SPECIAL_FLAG | (num+KEYPAD_START))#define KEY_KPHOME _KEYPAD(0)#define KEY_KPUP _KEYPAD(1)#define KEY_KPPGUP _KEYPAD(2)#define KEY_KPMINUS _KEYPAD(3)#define KEY_KPLEFT _KEYPAD(4)#define KEY_KPCENTER _KEYPAD(5)#define KEY_KPRIGHT _KEYPAD(6)#define KEY_KPPLUS _KEYPAD(7)#define KEY_KPEND _KEYPAD(8)#define KEY_KPDOWN _KEYPAD(9)#define KEY_KPPGDN _KEYPAD(10)#define KEY_KPINSERT _KEYPAD(11)#define KEY_KPDEL _KEYPAD(12)/* * ASCII codes for which there is no convenient C representation */#define ASCII_ESC 0x1B#define ASCII_BS 0x08#ifdef GEEKOS/* * Public functions */void Init_Keyboard(void);bool Read_Key(Keycode* keycode);Keycode Wait_For_Key(void);#endif /* GEEKOS */#endif /* GEEKOS_KEYBOARD_H */⌨️ 快捷键说明
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