keyboards.c File Reference

Keyboard layouts and related functions. More...

#include "keyboards.h"

Macros
#define	STANDARD_KEYBOARD_NUM_ROWS   4
#define	STANDARD_KEYBOARD_NUM_COLS   4
#define	STANDARD_NULL_KEY   '\0'

Variables
static const char	standard_keyboard_layout [STANDARD_KEYBOARD_NUM_ROWS][STANDARD_KEYBOARD_NUM_COLS]
	Standard 4x4 keyboard layout with number and letters, hash and star keys. More...
const keyboard_t	standard_keyboard
	Standard 4x4 keyboard layout with number and letters, hash and star keys. More...

Detailed Description

Keyboard layouts and related functions.

Author

Sistemas Digitales II

Date

2026-01-01

Macro Definition Documentation

STANDARD_KEYBOARD_NUM_COLS

#define STANDARD_KEYBOARD_NUM_COLS   4

Number of columns in the standard keyboard matrix

STANDARD_KEYBOARD_NUM_ROWS

#define STANDARD_KEYBOARD_NUM_ROWS   4

Number of rows in the standard keyboard matrix

STANDARD_NULL_KEY

#define STANDARD_NULL_KEY   '\0'

Null character to represent no key pressed in the standard keyboard

Variable Documentation

standard_keyboard

const keyboard_t standard_keyboard

Initial value:

= {
    .num_rows = STANDARD_KEYBOARD_NUM_ROWS,
    .num_cols = STANDARD_KEYBOARD_NUM_COLS,
    .null_key = STANDARD_NULL_KEY,
    .keys = (const char *)standard_keyboard_layout}

Standard 4x4 keyboard layout with number and letters, hash and star keys.

standard_keyboard_layout

const char standard_keyboard_layout[STANDARD_KEYBOARD_NUM_ROWS][STANDARD_KEYBOARD_NUM_COLS]

static

Initial value:

= {
    {'1', '2', '3', 'A'},
    {'4', '5', '6', 'B'},
    {'7', '8', '9', 'C'},
    {'*', '0', '#', 'D'}}

Standard 4x4 keyboard layout with number and letters, hash and star keys.