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keyboard.h File Reference

Low level keyboard driver header. More...

Go to the source code of this file.

Defines
#define	KEYB_PORT   0x60
	Keyboard base address port.
#define	KEYB_ACK   0x61
	Keyboard acknowledge register.
#define	KEYB_STATUS   0x64
	Keyboard status register.
#define	KEYB_LED_CODE   0xED
	Keyboard LED register.
#define	KEYB_BUSY   0x02
	The keyboard controller is busy.
#define	KEYB_SET_TYPEMATIC   0xF3
	Command to set the typematic delay and rate.
#define	DEL_SCAN   83
	DEL scan code.
#define	CTRL_C   0x2E03
	CTRL+C ASCII code.
#define	CTRL_X   0x2D18
	CTRL+X ASCII code.
#define	ALT_F1   0x6800
	ALT+F1 ASCII code.
#define	ALT_F2   0x6900
	ALT+F2 ASCII code.
#define	ALT_F3   0x6A00
	ALT+F3 ASCII code.
#define	ALT_F4   0x6B00
	ALT+F4 ASCII code.
#define	ALT_F5   0x6C00
	ALT+F5 ASCII code.
#define	ALT_F6   0x6D00
	ALT+F6 ASCII code.
#define	ALT_F7   0x6E00
	ALT+F7 ASCII code.
#define	ALT_F8   0x6F00
	ALT+F8 ASCII code.
#define	ALT_F9   0x7000
	ALT+F9 ASCII code.
#define	ALT_F10   0x7100
	ALT+F10 ASCII code.
#define	ALT_F11   0x8B00
	ALT+F11 ASCII code.
#define	ALT_F12   0x8C00
	ALT+F12 ASCII code.
Functions
void	update_leds ()
	Update keyboard leds.
void	keyb_wait ()
	Wait after a keyboard operation.
void	init_keyboard ()
	Initialize the low-level keyboard driver.
word	scan_key ()
	Get the hitten key keyboard code. Returns: The hitten key scan code.
void	keyboard_handler ()
	This is the keyboard interrupt handler routine. It is invoked every time a key is pressed or released on the keyboard.
int	kgetchar ()
	Wait for keypressed and return the hitten character ASCII code. Returns: The hitten character ASCII code.
int	keyb_read ()
	Return the first key in the buffer, without waiting if the buffer is empty. Returns: The hitten character ASCII code if a character has been hitten or NULL otherwise.

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Detailed Description

Low level keyboard driver header.

Author:

Andrea Righi <drizzt@inwind.it>

Date:

Last update: 2003-11-08

Note:

Copyright (©) 2003 Andrea Righi

Definition in file keyboard.h.

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Define Documentation

#define ALT_F1   0x6800

ALT+F1 ASCII code. Definition at line 40 of file keyboard.h.

#define ALT_F10   0x7100

ALT+F10 ASCII code. Definition at line 58 of file keyboard.h.

#define ALT_F11   0x8B00

ALT+F11 ASCII code. Definition at line 60 of file keyboard.h.

#define ALT_F12   0x8C00

ALT+F12 ASCII code. Definition at line 62 of file keyboard.h.

#define ALT_F2   0x6900

ALT+F2 ASCII code. Definition at line 42 of file keyboard.h.

#define ALT_F3   0x6A00

ALT+F3 ASCII code. Definition at line 44 of file keyboard.h.

#define ALT_F4   0x6B00

ALT+F4 ASCII code. Definition at line 46 of file keyboard.h.

#define ALT_F5   0x6C00

ALT+F5 ASCII code. Definition at line 48 of file keyboard.h.

#define ALT_F6   0x6D00

ALT+F6 ASCII code. Definition at line 50 of file keyboard.h.

#define ALT_F7   0x6E00

ALT+F7 ASCII code. Definition at line 52 of file keyboard.h.

#define ALT_F8   0x6F00

ALT+F8 ASCII code. Definition at line 54 of file keyboard.h.

#define ALT_F9   0x7000

ALT+F9 ASCII code. Definition at line 56 of file keyboard.h.

#define CTRL_C   0x2E03

CTRL+C ASCII code. Definition at line 35 of file keyboard.h.

#define CTRL_X   0x2D18

CTRL+X ASCII code. Definition at line 37 of file keyboard.h.

#define DEL_SCAN   83

DEL scan code. Definition at line 32 of file keyboard.h.

#define KEYB_ACK   0x61

Keyboard acknowledge register. Definition at line 16 of file keyboard.h.

#define KEYB_BUSY   0x02

The keyboard controller is busy. Definition at line 25 of file keyboard.h.

#define KEYB_LED_CODE   0xED

Keyboard LED register. Definition at line 20 of file keyboard.h.

#define KEYB_PORT   0x60

Keyboard base address port. Definition at line 14 of file keyboard.h.

#define KEYB_SET_TYPEMATIC   0xF3

Command to set the typematic delay and rate. Definition at line 27 of file keyboard.h.

#define KEYB_STATUS   0x64

Keyboard status register. Definition at line 18 of file keyboard.h.

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