Restructering Kernel folder before moving to higher half kernel

The boot up process will be changed somewhat dramatically, therefor a
restructering of the kernel seems as a good starting point.
This commit is contained in:
2022-08-17 14:29:26 +02:00
parent 0b0e37b762
commit 3b3e2597a1
39 changed files with 0 additions and 0 deletions

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#include "keyboard.h"
KeyPressInfo keyPress {};
void KeyHandled(){
keyPress.ScanCode= 0x00;
keyPress.PressedModifiers = 0x00;
}
char getASCIIKey(){
char keyPressed;
// Wait until a key is pressed
while(keyPress.ScanCode == 0x00) {
asm volatile ("NOP");
}
// Translate keycode to ascii
// Probably a lookup table might be handy
// Until 0x37
const char* ASCIILookUp =
"\01234567890-=\0\0QWERTYUIOP[]\0\0ASDFGHJKL;\'`\0\\ZXCVBNM,./\0";
uint8_t ASCII_Index = keyPress.ScanCode - 3 ;
//printf("ASCII_INDEX: %x\n", ASCII_Index);
keyPressed = ASCIILookUp[ASCII_Index];
KeyHandled();
return keyPressed;
}
uint8_t getKey(){
// Wait until a key is pressed
while(keyPress.ScanCode == 0x00){
asm volatile ("NOP");
}
if( keyPress.ScanCode > 0x37){
keyPress.ScanCode = 0x00;
return 0;
}
uint8_t ScanCode = keyPress.ScanCode;
// KeyHandled();
return ScanCode ;
}

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#pragma once
#include <stdint.h>
#include "../tty/kterm.h"
typedef enum ScanCodeSet{
None = 0,
ScanCodeSet1 = 1,
ScanCodeSet2 = 2,
ScanCodeSet3 = 3,
};
typedef enum Modifiers{
LSHIFT = 1,
RSHIFT = 2,
LCTRL = 3,
RCTRL = 4,
LALT = 5,
RALT = 6
};
struct KeyPressInfo{
uint8_t PressedModifiers;
uint8_t ScanCode;
};
extern KeyPressInfo keyPress;
void KeyHandled();
char getASCIIKey();
uint8_t getKey();