kbd_state Struct Reference

Keyboard status structure. More...

#include <dc/maple/keyboard.h>

Data Fields
kbd_cond_t	cond
	The lastest raw condition of the keyboard.
uint8	matrix [256]
	Key array.
int	shift_keys
	Modifier key status.
int	region
	Keyboard type/region.
uint32	key_queue [KBD_QUEUE_SIZE]
	Individual keyboard queue. You should not access this variable directly. Please use the appropriate function to access it.
int	queue_tail
	Key queue tail.
int	queue_head
	Key queue head.
int	queue_len
	Current length of queue.

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Detailed Description

Keyboard status structure.

This structure holds information about the current status of the keyboard device. This is what maple_dev_status() will return.

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Field Documentation

kbd_cond_t kbd_state::cond

The lastest raw condition of the keyboard.

uint32 kbd_state::key_queue[KBD_QUEUE_SIZE]

Individual keyboard queue. You should not access this variable directly. Please use the appropriate function to access it.

uint8 kbd_state::matrix[256]

Key array.

This array lists the state of all possible keys on the keyboard. It can be used for key repeat and debouncing. This will be non-zero if the key is currently being pressed.

See also:

Keyboard keys

int kbd_state::queue_head

Key queue head.

int kbd_state::queue_len

Current length of queue.

int kbd_state::queue_tail

Key queue tail.

int kbd_state::region

Keyboard type/region.

int kbd_state::shift_keys

Modifier key status.

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The documentation for this struct was generated from the following file:

• /Users/lj/Projects/releases/kos-2.0.0-src/kernel/arch/dreamcast/include/dc/maple/keyboard.h