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keyboard.h

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/*!     \file include/kernel/keyboard.h
 *      \brief Low level keyboard driver header.
 *      \author Andrea Righi <drizzt@inwind.it>
 *      \date Last update: 2003-11-08
 *      \note Copyright (&copy;) 2003 Andrea Righi
 */

#ifndef KEYBOARD_H
#define KEYBOARD_H

// --- Keyboard registers --------------------------------------------- //

//! Keyboard base address port.
#define KEYB_PORT               0x60
//! Keyboard acknowledge register.
#define KEYB_ACK                0x61
//! Keyboard status register.
#define KEYB_STATUS             0x64
//! Keyboard LED register.
#define KEYB_LED_CODE           0xED

// --- Keyboard register values --------------------------------------- //

//! The keyboard controller is busy.
#define KEYB_BUSY               0x02
//! Command to set the typematic delay and rate.
#define KEYB_SET_TYPEMATIC      0xF3

// --- Key codes ------------------------------------------------------ //

//! DEL scan code.
#define DEL_SCAN                83

//! CTRL+C ASCII code.
#define CTRL_C                  0x2E03
//! CTRL+X ASCII code.
#define CTRL_X                  0x2D18

//! ALT+F1 ASCII code.
#define ALT_F1                  0x6800
//! ALT+F2 ASCII code.
#define ALT_F2                  0x6900
//! ALT+F3 ASCII code.
#define ALT_F3                  0x6A00
//! ALT+F4 ASCII code.
#define ALT_F4                  0x6B00
//! ALT+F5 ASCII code.
#define ALT_F5                  0x6C00
//! ALT+F6 ASCII code.
#define ALT_F6                  0x6D00
//! ALT+F7 ASCII code.
#define ALT_F7                  0x6E00
//! ALT+F8 ASCII code.
#define ALT_F8                  0x6F00
//! ALT+F9 ASCII code.
#define ALT_F9                  0x7000
//! ALT+F10 ASCII code.
#define ALT_F10                 0x7100
//! ALT+F11 ASCII code.
#define ALT_F11                 0x8B00
//! ALT+F12 ASCII code.
#define ALT_F12                 0x8C00

// --- Prototypes ----------------------------------------------------- //

void update_leds();
void keyb_wait();
void init_keyboard();
word scan_key();
void keyboard_handler();
int kgetchar();
int keyb_read();

#endif

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