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#include <kernel/interrupts/interrupts.h>
#include <kernel/io/io.h>
#include <kernel/graphics/vesa.h>
char keymap[128] = {
0 /*E*/, 27, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b',
'\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',
0 /*C*/, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0 /*LS*/,
'\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0 /*RS*/, '*',
0, // Alt key
' ', // Space bar
0, // 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
};
void keyboard_handler(struct regs *r) {
unsigned char scan_code;
scan_code = receive_b(0x60);
if (!(scan_code & 0x80)) {
vesa_keyboard_char(keymap[scan_code]);
}
}
void keyboard_acknowledge() {
while (receive_b(0x60) != 0xfa);
}
void keyboard_rate() {
send_b(0x60, 0xF3);
keyboard_acknowledge();
send_b(0x60, 0x0); // Rate{00000} Delay{00} 0
}
// Installs the keyboard handler into IRQ1
void keyboard_install() {
keyboard_rate();
irq_install_handler(1, keyboard_handler);
}
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