From 162d024a53e1e31e00ff0b6f47dd4590edebc551 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sun, 9 Aug 2020 16:51:01 +0200
Subject: Heavy restructuring of libc, kernel and apps

---
 kernel/drivers/keyboard.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 kernel/drivers/keyboard.c

(limited to 'kernel/drivers/keyboard.c')

diff --git a/kernel/drivers/keyboard.c b/kernel/drivers/keyboard.c
new file mode 100644
index 0000000..38ff1f7
--- /dev/null
+++ b/kernel/drivers/keyboard.c
@@ -0,0 +1,68 @@
+#include <cpu.h>
+#include <def.h>
+#include <gui.h>
+#include <interrupts.h>
+
+char keymap[128];
+
+// TODO: Use keyboard as event and move logic to other file
+void keyboard_handler()
+{
+	u8 scan_code = inb(0x60);
+
+	if (scan_code > 128)
+		return;
+
+	if ((scan_code & 0x80) == 0) { // PRESS
+		gui_term_write_char(keymap[scan_code]);
+	}
+}
+
+void keyboard_acknowledge()
+{
+	while (inb(0x60) != 0xfa)
+		;
+}
+
+void keyboard_rate()
+{
+	outb(0x60, 0xF3);
+	keyboard_acknowledge();
+	outb(0x60, 0x0); // Rate{00000} Delay{00} 0
+}
+
+void keyboard_install()
+{
+	//keyboard_rate(); TODO: Fix keyboard rate?
+	irq_install_handler(1, keyboard_handler);
+}
+
+char keymap[128] = {
+	0,    27,   '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-',  '=',
+	'\b', '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[',  ']',
+	'\n', 17,   'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`',
+	14,   '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 14,   '*',
+	0, // Alt key
+	' ', // Space bar
+	15, // Caps lock
+	0,    0,    0,	 0,   0,   0,	0,   0,	  0,   0, // F keys
+	0, // Num lock
+	0, // Scroll lock
+	0, // Home key
+	0, // Up arrow
+	0, // Page up
+	'-',
+	0, // Left arrow
+	0,
+	0, // Right arrow
+	'+',
+	0, // End key
+	0, // Down arrow
+	0, // Page down
+	0, // Insert key
+	0, // Delete key
+	0,    0,    0,
+	0, // F11
+	0, // F12
+	0, // Other keys
+};
-- 
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