Use pc-keyboard crate for translating scancodes

src/interrupts.rs

@@ -61,26 +61,25 @@ extern "x86-interrupt" fn timer_interrupt_handler(_stack_frame: &mut ExceptionSt
 
 extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: &mut ExceptionStackFrame) {
     use x86_64::instructions::port::Port;
+    use pc_keyboard::{Keyboard, ScancodeSet1, DecodedKey, layouts};
+    use spin::Mutex;
 
+    lazy_static! {
+        static ref KEYBOARD: Mutex<Keyboard<layouts::Us104Key, ScancodeSet1>> =
+            Mutex::new(Keyboard::new(layouts::Us104Key, ScancodeSet1));
+    }
+
+    let mut keyboard = KEYBOARD.lock();
     let port = Port::new(0x60);
 
     let scancode: u8 = unsafe { port.read() };
-    let key = match scancode {
-        0x02 => Some('1'),
-        0x03 => Some('2'),
-        0x04 => Some('3'),
-        0x05 => Some('4'),
-        0x06 => Some('5'),
-        0x07 => Some('6'),
-        0x08 => Some('7'),
-        0x09 => Some('8'),
-        0x0a => Some('9'),
-        0x0b => Some('0'),
-        _ => None,
-    };
-
-    if let Some(key) = key {
-        print!("{}", key);
+    if let Ok(Some(key_event)) = keyboard.add_byte(scancode) {
+        if let Some(key) = keyboard.process_keyevent(key_event) {
+            match key {
+                DecodedKey::Unicode(character) => print!("{}", character),
+                DecodedKey::RawKey(key) => print!("{:?}", key),
+            }
+        }
     }
 
     unsafe { PICS.lock().notify_end_of_interrupt(KEYBOARD_INTERRUPT_ID) }