keyboard.c File Reference

(475a4fe LLVM update: finally on 18.x!)

#include <stdint.h>
#include <string.h>
#include <sys/syscalls.h>
#include <sys/io.h>
#include <errno.h>
#include "main.h"
#include <vterm.h>
#include <vterm_keycodes.h>

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Macros
#define	vterm_keycode(x)   ((uint16_t)(x) | 0x8000)
#define	unused_single(x)   0xFFFF
#define	unused(x)   unused_single(x), unused_single(x), unused_single(x)
#define	unmapped   unused(not_mapped)
#define	unmapped_single   unused_single(not_mapped)

Functions
static void	translate_and_feed_scancode (lfos_term_state *term, int set, uint16_t scancode)
static void	kbd_handle_input (lfos_term_state *term)
static void	kbd_send_cmd (uint8_t cmd)
static bool	kbd_wait_interrupt ()
void	kbd_read (lfos_term_state *term)
void	kbd_init ()

Macro Definition Documentation

unmapped

#define unmapped   unused(not_mapped)

unmapped_single

#define unmapped_single   unused_single(not_mapped)

unused

#define unused

(

x

)

unused_single(x), unused_single(x), unused_single(x)

unused_single

#define unused_single

(

x

)

0xFFFF

vterm_keycode

#define vterm_keycode

(

x

)

((uint16_t)(x) | 0x8000)

Function Documentation

kbd_handle_input()

static void kbd_handle_input ( lfos_term_state *  term )

static

Definition at line 217 of file keyboard.c.

References inb(), and translate_and_feed_scancode().

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kbd_init()

void kbd_init

(

)

Definition at line 288 of file keyboard.c.

References error, inb(), and kbd_send_cmd().

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kbd_read()

void kbd_read

(

lfos_term_state *

term

)

Definition at line 277 of file keyboard.c.

References kbd_handle_input(), and kbd_wait_interrupt().

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kbd_send_cmd()

static void kbd_send_cmd ( uint8_t  cmd )

static

Definition at line 254 of file keyboard.c.

References inb(), and outb().

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kbd_wait_interrupt()

static bool kbd_wait_interrupt ( )

static

Definition at line 259 of file keyboard.c.

References EAGAIN, error, free(), malloc(), memset(), MT_HardwareInterrupt, size, Message::size, and Message::type.

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translate_and_feed_scancode()

static void translate_and_feed_scancode ( lfos_term_state *  term, int  set, uint16_t  scancode  )

static

Definition at line 12 of file keyboard.c.

References unmapped, unmapped_single, unused, unused_single, lfos_term_state::vterm, VTERM_KEY_BACKSPACE, VTERM_KEY_DEL, VTERM_KEY_DOWN, VTERM_KEY_END, VTERM_KEY_ENTER, VTERM_KEY_ESCAPE, VTERM_KEY_FUNCTION, VTERM_KEY_HOME, VTERM_KEY_INS, VTERM_KEY_KP_0, VTERM_KEY_KP_1, VTERM_KEY_KP_2, VTERM_KEY_KP_3, VTERM_KEY_KP_4, VTERM_KEY_KP_5, VTERM_KEY_KP_6, VTERM_KEY_KP_7, VTERM_KEY_KP_8, VTERM_KEY_KP_9, VTERM_KEY_KP_DIVIDE, VTERM_KEY_KP_ENTER, VTERM_KEY_KP_MINUS, VTERM_KEY_KP_MULT, VTERM_KEY_KP_PERIOD, VTERM_KEY_KP_PLUS, VTERM_KEY_LEFT, VTERM_KEY_PAGEDOWN, VTERM_KEY_PAGEUP, VTERM_KEY_RIGHT, VTERM_KEY_TAB, VTERM_KEY_UP, vterm_keyboard_key(), vterm_keyboard_unichar(), vterm_keycode, VTERM_MOD_ALT, VTERM_MOD_CTRL, VTERM_MOD_NONE, and VTERM_MOD_SHIFT.

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