Module keyboard 

PS/2 Keyboard driver (inspired by MaestroOS keyboard.rs)

Handles IRQ1 keyboard interrupts, reads scancodes from port 0x60, and converts them to characters for the VGA console.

Structs

KeyboardState

Keyboard state

Constants

KEY_DOWN

KEY_END

KEY_HOME

KEY_LEFT

KEY_RIGHT

KEY_UP

Statics

KEYBOARD

Global keyboard state

Functions

add_to_buffer

Add a character to the keyboard buffer (called from IRQ context).

handle_scancode

Handle a keyboard IRQ (called from interrupt handler)

handle_scancode_raw

Same as handle_scancode but takes a pre-read scancode byte.

has_input

Check if keyboard buffer has data (task context only).

read_char

Get a character from the keyboard buffer (non-blocking, task context only).