ferglos/include/keyboard.cpp

#include "../include/keyboard.h"

#include "../include/stdio.h"

KeyboardDriver::KeyboardDriver(InterruptManager* manager) : InterruptHandler(0x21, manager),
                                                            _dataport(0x60),
                                                            _commandport(0x64) {
    while (_commandport.Read() & 0x01) {
        _dataport.Read();
    }
    _commandport.Write(0xAE);
    _commandport.Write(0x20);
    uint8_t status = (_dataport.Read() | 1) & ~0x10;
    _commandport.Write(0x60);
    _dataport.Write(status);

    _dataport.Write(0xF4);
}
KeyboardDriver::~KeyboardDriver() {}

uint32_t KeyboardDriver::HandleInterrupt(uint32_t esp) {
    uint8_t key = _dataport.Read();
    if (key < 0x80) {  //ignore key up events
        switch (key) {
            case 0xFA:
            case 0x45:
            case 0xC5:
                break;
            case 0x02:
                printf("1");
                break;
            case 0x03:
                printf("2");
                break;
            case 0x04:
                printf("3");
                break;
            case 0x05:
                printf("4");
                break;
            case 0x06:
                printf("5");
                break;
            case 0x07:
                printf("6");
                break;
            case 0x08:
                printf("7");
                break;
            case 0x09:
                printf("8");
                break;
            case 0x0A:
                printf("9");
                break;
            case 0x0B:
                printf("0");
                break;

            case 0x10:
                printf("q");
                break;
            case 0x11:
                printf("w");
                break;
            case 0x12:
                printf("e");
                break;
            case 0x13:
                printf("r");
                break;
            case 0x14:
                printf("t");
                break;
            case 0x15:
                printf("y");
                break;
            case 0x16:
                printf("u");
                break;
            case 0x17:
                printf("i");
                break;
            case 0x18:
                printf("o");
                break;
            case 0x19:
                printf("p");
                break;

            case 0x1E:
                printf("a");
                break;
            case 0x1F:
                printf("s");
                break;
            case 0x20:
                printf("d");
                break;
            case 0x21:
                printf("f");
                break;
            case 0x22:
                printf("g");
                break;
            case 0x23:
                printf("h");
                break;
            case 0x24:
                printf("j");
                break;
            case 0x25:
                printf("k");
                break;
            case 0x26:
                printf("l");
                break;

            case 0x2C:
                printf("z");
                break;
            case 0x2D:
                printf("x");
                break;
            case 0x2E:
                printf("c");
                break;
            case 0x2F:
                printf("v");
                break;
            case 0x30:
                printf("b");
                break;
            case 0x31:
                printf("n");
                break;
            case 0x32:
                printf("m");
                break;
            case 0x33:
                printf(",");
                break;
            case 0x34:
                printf(".");
                break;
            case 0x35:
                printf("-");
                break;

            case 0x1C:
                printf("\n");
                break;
            case 0x39:
                printf(" ");
                break;
            default:
                char* foo = "KEYBOARD 0x00";
                char* hex = "0123456789ABCDEF";
                foo[11] = hex[(key >> 4) & 0x0F];
                foo[12] = hex[key & 0x0F];
                printf(foo);
                printf("\n");
                break;
        }
    }

    return esp;
}