Keyboard handling. More...

Macros
#define	__DEBUG_HEADER__ "[KEYBRD]"
	Change header.

#define	__DEBUG_LEVEL__ LOGLEVEL_NOTICE
	Set log level.

#define	KBD_LEFT_SHIFT (1 << 0)
	Flag which identifies the left shift.

#define	KBD_RIGHT_SHIFT (1 << 1)
	Flag which identifies the right shift.

#define	KBD_CAPS_LOCK (1 << 2)
	Flag which identifies the caps lock.

#define	KBD_NUM_LOCK (1 << 3)
	Flag which identifies the num lock.

#define	KBD_SCROLL_LOCK (1 << 4)
	Flag which identifies the scroll lock.

#define	KBD_LEFT_CONTROL (1 << 5)
	Flag which identifies the left control.

#define	KBD_RIGHT_CONTROL (1 << 6)
	Flag which identifies the right control.

#define	KBD_LEFT_ALT (1 << 7)
	Flag which identifies the left alt.

#define	KBD_RIGHT_ALT (1 << 8)
	Flag which identifies the right alt.

Functions
static void	keyboard_push_front (unsigned int c)
	Pushes a character into the scancode ring buffer. More...

static void	keyboard_push_sequence (char *sequence)
	Pushes a sequence of characters (scancodes) into the keyboard buffer. More...

int	keyboard_pop_back (void)
	Gets and removes a char from the back of the buffer. More...

int	keyboard_back (void)
	Gets a char from the back of the buffer. More...

int	keyboard_front (void)
	Gets a char from the front of the buffer. More...

void	keyboard_isr (pt_regs *f)
	The interrupt service routine of the keyboard. More...

void	keyboard_update_leds (void)
	Leds handler.

void	keyboard_enable (void)
	Enable the keyboard.

void	keyboard_disable (void)
	Disable the keyboard.

int	keyboard_initialize (void)
	Initializes the keyboard drivers. More...

int	keyboard_finalize (void)
	De-initializes the keyboard drivers. More...

Variables
static uint8_t	ledstate = 0
	Tracks the state of the leds.

static uint32_t	kflags = 0
	The flags concerning the keyboard.

fs_rb_scancode_t	scancodes
	Where we store the keypress.

spinlock_t	scancodes_lock
	Spinlock to protect access to the scancode buffer.

Detailed Description

Keyboard handling.

Copyright: (c) 2014-2024 This file is distributed under the MIT License. See LICENSE.md for details.

Macros