135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
#include "../include/keyboard.h"
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#include <stdbool.h>
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unsigned char kbdus[128] =
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{
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0, 27, '1', '2', '3', '4', '5', '6', '7', '8', /* 9 */
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'9', '0', '-', '=', '\b', /* Backspace */
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'\t', /* Tab */
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'q', 'w', 'e', 'r', /* 19 */
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't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', /* Enter key */
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0, /* 29 - Control */
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'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* 39 */
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'\'', '`', 0, /* Left shift */
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'\\', 'z', 'x', 'c', 'v', 'b', 'n', /* 49 */
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'm', ',', '.', '/', 0, /* Right shift */
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'*',
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0, /* Alt */
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' ', /* Space bar */
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0, /* Caps lock */
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0, /* 59 - F1 key ... > */
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0, 0, 0, 0, 0, 0, 0, 0,
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0, /* < ... F10 */
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0, /* 69 - Num lock*/
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0, /* Scroll Lock */
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0, /* Home key */
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0, /* Up Arrow */
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0, /* Page Up */
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'-',
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0, /* Left Arrow */
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0,
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0, /* Right Arrow */
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'+',
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0, /* 79 - End key*/
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0, /* Down Arrow */
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0, /* Page Down */
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0, /* Insert Key */
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0, /* Delete Key */
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0, 0, 0,
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0, /* F11 Key */
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0, /* F12 Key */
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0, /* All other keys are undefined */
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};
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unsigned char kbdus2[128] =
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{
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0, 27, '!', '@', '#', '$', '%', '^', '&', '*', /* 9 */
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'(', ')', '_', '+', '\b', /* Backspace */
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'\t', /* Tab */
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'Q', 'W', 'E', 'R', /* 19 */
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'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n', /* Enter key */
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0, /* 29 - Control */
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'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', /* 39 */
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'\'', '`', 0, /* Left shift */
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'\\', 'Z', 'X', 'C', 'V', 'B', 'N', /* 49 */
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'M', '<', '>', '?', 0, /* Right shift */
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'*',
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0, /* Alt */
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' ', /* Space bar */
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0, /* Caps lock */
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0, /* 59 - F1 key ... > */
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0, 0, 0, 0, 0, 0, 0, 0,
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0, /* < ... F10 */
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0, /* 69 - Num lock*/
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0, /* Scroll Lock */
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0, /* Home key */
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0, /* Up Arrow */
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0, /* Page Up */
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'-',
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0, /* Left Arrow */
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0,
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0, /* Right Arrow */
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'+',
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0, /* 79 - End key*/
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0, /* Down Arrow */
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0, /* Page Down */
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0, /* Insert Key */
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0, /* Delete Key */
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0, 0, 0,
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0, /* F11 Key */
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0, /* F12 Key */
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0, /* All other keys are undefined */
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};
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bool shift_pressed;
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bool caps_pressed;
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void keyboard_wait();
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void handle_keyboard()
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{//3a
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uint8_t scancode = inb(0x60);
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if(scancode & 0x80)//key released
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{
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scancode = scancode-0x80;
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if(scancode == 0x2a || scancode == 0x36)
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shift_pressed = false;
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//printf("(%X)%c released ", scancode, kbdus[scancode-0x80]);
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}
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else//key pressed
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{
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if(scancode == 0x2a || scancode == 0x36)
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{
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shift_pressed = true;
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return;
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}
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if(scancode == 0x3a)
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{
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caps_pressed = !caps_pressed;
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outb(0x60, 0xed);//set LED command
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keyboard_wait();
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outb(0x60, caps_pressed << 2);//0 is scroll lock, 1 is numlock, 2 is caps lock
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return;
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}
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if(shift_pressed || caps_pressed)
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printf("%c", kbdus2[scancode]);
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else
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printf("%c", kbdus[scancode]); //printf("(0x%X)%c", scancode, kbdus[scancode]);
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}
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}
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void keyboard_wait()
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{
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int status;
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while(1)
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{
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status = inb(0x60);
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if(status == 0xfa || status == 0xfe)
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return;
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}
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}
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