complite Keyboard/ps2 subsystem

includes/driver/keyboard/event_queue.h

@@ -0,0 +1,43 @@
+#ifndef EVENT_QUEUE_H
+#define EVENT_QUEUE_H
+
+#include "keyboard.h"
+#include "keyboard_keys.h"
+#include "ps2.h"
+#include "types.h"
+
+#define KEYBOARD_EVENT_QUEUE_SIZE 256
+
+typedef struct {
+    key_event_t events[KEYBOARD_EVENT_QUEUE_SIZE];
+    uint32_t head;
+    uint32_t tail;
+} keyboard_event_queue_t;
+
+extern keyboard_event_queue_t keyboard_queue;
+
+typedef enum {
+    INPUT_CHAR,
+    INPUT_ENTER,
+    INPUT_BACKSPACE,
+    INPUT_TAB,
+    INPUT_UP,
+    INPUT_DOWN,
+    INPUT_LEFT,
+    INPUT_RIGHT,
+} input_type_t;
+
+typedef struct {
+    input_type_t type;
+    char character;
+} input_event_t;
+
+void input_queue_push(input_event_t event);
+void input_queue_pop(input_event_t *event);
+void input_queue_print();
+void input_queue_print_last();
+void input_queue_clear();
+
+extern input_event_t input_queue[KEYBOARD_EVENT_QUEUE_SIZE];
+
+#endif

includes/driver/keyboard/handler.h

@@ -0,0 +1,20 @@
+#ifndef HANDLER_H
+#define HANDLER_H
+
+#include "keyboard.h"
+#include "keyboard_keys.h"
+#include "ps2.h"
+#include "stdio.h"
+#include "types.h"
+
+extern scancode_state_t scan_state;
+
+void keyboard_irq_handler(void);
+
+void keyboard_process_scancode(uint8_t data);
+void keyboard_handle_key(keycode_t key, key_action_t action);
+void keyboard_update_state(keycode_t key, key_action_t action);
+
+// queue for keyboard events
+
+#endif

includes/driver/keyboard/keyboard.h

@@ -0,0 +1,28 @@
+#ifndef keyboard_H
+#define keyboard_H
+
+#include "keyboard_keys.h"
+#include "keyboard_layout.h"
+#include "ps2.h"
+#include "types.h"
+
+typedef enum {
+    K_ACK = 0xFA,
+    K_RESEND = 0xFE,
+    K_ERROR = 0xFC,
+    k_BAT = 0xAA, // Basic Assurance Test
+} k_response_t;
+
+void init_keyboard(void);
+
+void reset_keyboard(void);
+void set_scaning(bool state);
+void select_scancode_set(uint8_t set);
+void keyboard_set_layout(const keyboard_layout_t *layout);
+char keyboard_translate(keycode_t key, const keyboard_state_t *state);
+
+uint8_t keyboard_get_scan_code_set(void);
+
+void keyboard_irq_handler(void);
+
+#endif