This commit is contained in:
Julian Barathieu 2020-01-10 21:58:11 +01:00
parent 5fba767e64
commit 2f1fefe724
3 changed files with 220 additions and 100 deletions

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@ -39,10 +39,14 @@ void IoChangeCodePage(char *);
#define KEY_ESC 27
#define KEY_BS 8
#define KEY_BEL 7
#define KEY_DC1 17
#define KEY_DC2 18
#define KEY_DC3 19
#define KEY_DC4 20
#define KEY_DC1 17 // Arrow Up
#define KEY_DC2 18 // Arrow Down
#define KEY_DC3 19 // Arrow Left
#define KEY_DC4 20 // Arrow Right
#define KEY_DC5 17 // Page Up
#define KEY_DC6 18 // Page Down
//----------------------------------------------------------------------------//

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@ -26,104 +26,56 @@
#include <io/keyb.h>
#include <ke/idt.h>
static char EarlyScanCodes[100] = { 0 };
static char Invisible[100] = { 0 };
#include "scan.c"
char *ScanCodes = 0;
static bool capsLockActive = 0;
static bool leftAltPressed = 0;
static bool leftShiftPressed = 0;
static bool leftControlPressed = 0;
void KeybPrint(char code)
void KeybPrint(uchar _code)
{
uchar ch = ScanCodes[(int)code];
uint code = (uint)_code;
const uint *table =
(leftAltPressed ? LeftAltScanCodes
: (leftShiftPressed ? LeftShiftScanCodes
: (leftControlPressed ? LeftControlScanCodes
: RegularScanCodes)));
if (capsLockActive && !leftShiftPressed &&
!!(table[2 * code + 1] & CAPSLOCK) && !leftAltPressed)
table = LeftShiftScanCodes;
uchar ch = table[2 * code];
if (!ch) {
switch (code) {
case 0x38: leftAltPressed = 1; break;
case 0xB8: leftAltPressed = 0; break;
case 0x36: case 0x2A: leftShiftPressed = 1; break;
case 0xB6: case 0xAA: leftShiftPressed = 0; break;
case 0x1D: leftControlPressed = 1; break;
case 0x9D: leftControlPressed = 0; break;
case 0x3A: capsLockActive = !capsLockActive; break;
}
return;
}
if (ch != 0) {
bputc(BStdIn, ch);
if (code && Invisible[(int)code] == 0) {
bputc(BStdOut, ScanCodes[(int)code]);
//bprintf(BStdOut, "%x ", code);
if (code && (table[2 * code + 1] & INVISIBLE) == 0) {
bputc(BStdOut, table[2 * code]);
BStdOut->flusher(BStdOut);
}
}
}
void ScanCodesInit(void)
{
ScanCodes = &EarlyScanCodes[0];
ScanCodes[0x01] = KEY_ESC;
Invisible[0x01] = 1;
ScanCodes[0x02] = '1';
ScanCodes[0x03] = '2';
ScanCodes[0x04] = '3';
ScanCodes[0x05] = '4';
ScanCodes[0x06] = '5';
ScanCodes[0x07] = '6';
ScanCodes[0x08] = '7';
ScanCodes[0x09] = '8';
ScanCodes[0x0A] = '9';
ScanCodes[0x0B] = '0';
ScanCodes[0x0C] = ' ';
ScanCodes[0x0D] = '+';
ScanCodes[0x0E] = 0x8;
ScanCodes[0x0F] = '\t';
ScanCodes[0x10] = 'a';
ScanCodes[0x11] = 'z';
ScanCodes[0x12] = 'e';
ScanCodes[0x13] = 'r';
ScanCodes[0x14] = 't';
ScanCodes[0x15] = 'y';
ScanCodes[0x16] = 'u';
ScanCodes[0x17] = 'i';
ScanCodes[0x18] = 'o';
ScanCodes[0x19] = 'p';
ScanCodes[0x1A] = '^';
ScanCodes[0x1B] = '$';
ScanCodes[0x1E] = 'q';
ScanCodes[0x1F] = 's';
ScanCodes[0x20] = 'd';
ScanCodes[0x21] = 'f';
ScanCodes[0x22] = 'g';
ScanCodes[0x23] = 'h';
ScanCodes[0x24] = 'j';
ScanCodes[0x25] = 'k';
ScanCodes[0x26] = 'l';
ScanCodes[0x27] = 'm';
ScanCodes[0x28] = 'u';
ScanCodes[0x29] = '*';
ScanCodes[0x2C] = 'w';
ScanCodes[0x2D] = 'x';
ScanCodes[0x2E] = 'c';
ScanCodes[0x2F] = 'v';
ScanCodes[0x30] = 'b';
ScanCodes[0x31] = 'n';
ScanCodes[0x32] = ',';
ScanCodes[0x33] = ';';
ScanCodes[0x34] = ':';
ScanCodes[0x35] = '!';
ScanCodes[0x1C] = '\n';
ScanCodes[0x39] = ' ';
ScanCodes[0x40] = KEY_BEL;
Invisible[0x40] = 1;
// Numpad
ScanCodes[0x48] = KEY_DC1; // DC1, will serve as Arrow Up
ScanCodes[0x50] = KEY_DC2; // DC2, will serve as Arrow Down
ScanCodes[0x4B] = KEY_DC3; // DC3, will serve as Arrow Left
ScanCodes[0x4D] = KEY_DC4; // DC4, will serve as Arrow Right
Invisible[0x48] = 1;
Invisible[0x50] = 1;
Invisible[0x4B] = 1;
Invisible[0x4D] = 1;
}
static void KeybHandler(ISRFrame_t *regs)
{
char status;
char code = 0;
uchar code = 0;
// write EOI
IoWriteByteOnPort(0x20, 0x20);
@ -132,10 +84,8 @@ static void KeybHandler(ISRFrame_t *regs)
if (status & 0x01) {
code = IoReadByteFromPort(0x60);
if(code < 0) code = 0;
}
KeybPrint((int)code);
KeybPrint(code);
KeSendEOItoPIC(0x21);
}
@ -162,12 +112,7 @@ void IoEnableKeyb(void)
KeRestoreIRQs(flags);
KeEnableNMI();
ScanCodesInit();
IoCreateInputBuffer();
}
void IoChangeCodePage(char *CodePage)
{
ScanCodes = &CodePage[0];
}

171
kaleid/kernel/io/scan.c Normal file
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@ -0,0 +1,171 @@
//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Basic Scancode Tables //
// //
// //
// Copyright © 2018-2019 The OS/K Team //
// //
// This file is part of OS/K. //
// //
// OS/K is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// any later version. //
// //
// OS/K is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#define WANT_AZERTY 1
#define NONE 0
#define INVISIBLE 1
#define CAPSLOCK 2
#define INVALID 256
#define ENTRY(index, character, flags) [2 * index] = character, \
[2 * index + 1] = flags
const uint RegularScanCodes[2 * 256] =
{
ENTRY (0x00, 0, INVISIBLE|INVALID),
ENTRY (0x01, KEY_ESC, INVISIBLE),
ENTRY (0x02, '&', NONE),
ENTRY (0x03, 'e', NONE),
ENTRY (0x04, '"', NONE),
ENTRY (0x05, '\'', NONE),
ENTRY (0x06, '(', NONE),
ENTRY (0x07, '-', NONE),
ENTRY (0x08, 'e', NONE),
ENTRY (0x09, '_', NONE),
ENTRY (0x0A, 'c', NONE),
ENTRY (0x0B, 'a', NONE),
ENTRY (0x0C, ')', NONE),
ENTRY (0x0D, '=', NONE),
ENTRY (0x0E, KEY_BS, NONE), // Backspace
ENTRY (0x0F, '\t', NONE),
ENTRY (0x10, 'a', CAPSLOCK),
ENTRY (0x11, 'z', CAPSLOCK),
ENTRY (0x12, 'e', CAPSLOCK),
ENTRY (0x13, 'r', CAPSLOCK),
ENTRY (0x14, 't', CAPSLOCK),
ENTRY (0x15, 'y', CAPSLOCK),
ENTRY (0x16, 'u', CAPSLOCK),
ENTRY (0x17, 'i', CAPSLOCK),
ENTRY (0x18, 'o', CAPSLOCK),
ENTRY (0x19, 'p', CAPSLOCK),
ENTRY (0x1A, '^', NONE),
ENTRY (0x1B, '$', NONE),
ENTRY (0x1C, '\n', NONE),
ENTRY (0x1D, 0, INVISIBLE|INVALID), // Left Control
ENTRY (0x1E, 'q', CAPSLOCK),
ENTRY (0x1F, 's', CAPSLOCK),
ENTRY (0x20, 'd', CAPSLOCK),
ENTRY (0x21, 'f', CAPSLOCK),
ENTRY (0x22, 'g', CAPSLOCK),
ENTRY (0x23, 'h', CAPSLOCK),
ENTRY (0x24, 'j', CAPSLOCK),
ENTRY (0x25, 'k', CAPSLOCK),
ENTRY (0x26, 'l', CAPSLOCK),
ENTRY (0x27, 'm', CAPSLOCK),
ENTRY (0x28, '%', NONE),
ENTRY (0x29, '2', NONE), // ²
ENTRY (0x2A, 0, INVISIBLE|INVALID), // Left Shift
ENTRY (0x2B, '*', NONE),
ENTRY (0x2C, 'w', CAPSLOCK),
ENTRY (0x2D, 'x', CAPSLOCK),
ENTRY (0x2E, 'c', CAPSLOCK),
ENTRY (0x2F, 'v', CAPSLOCK),
ENTRY (0x30, 'b', CAPSLOCK),
ENTRY (0x31, 'n', CAPSLOCK),
ENTRY (0x32, ',', CAPSLOCK),
ENTRY (0x33, ';', CAPSLOCK),
ENTRY (0x34, ':', CAPSLOCK),
ENTRY (0x35, '!', CAPSLOCK),
};
const uint LeftShiftScanCodes[2 * 256] =
{
ENTRY (0x00, 0, INVISIBLE|INVALID),
ENTRY (0x01, KEY_ESC, INVISIBLE),
ENTRY (0x02, '1', NONE),
ENTRY (0x03, '2', NONE),
ENTRY (0x04, '3', NONE),
ENTRY (0x05, '4', NONE),
ENTRY (0x06, '5', NONE),
ENTRY (0x07, '6', NONE),
ENTRY (0x08, '7', NONE),
ENTRY (0x09, '8', NONE),
ENTRY (0x0A, '9', NONE),
ENTRY (0x0B, '0', NONE),
ENTRY (0x0C, 'o', NONE),
ENTRY (0x0D, '+', NONE),
ENTRY (0x0E, KEY_BS, NONE), // Backspace
ENTRY (0x0F, '\t', NONE),
ENTRY (0x10, 'A', CAPSLOCK),
ENTRY (0x11, 'Z', CAPSLOCK),
ENTRY (0x12, 'E', CAPSLOCK),
ENTRY (0x13, 'R', CAPSLOCK),
ENTRY (0x14, 'T', CAPSLOCK),
ENTRY (0x15, 'Y', CAPSLOCK),
ENTRY (0x16, 'U', CAPSLOCK),
ENTRY (0x17, 'I', CAPSLOCK),
ENTRY (0x18, 'O', CAPSLOCK),
ENTRY (0x19, 'P', CAPSLOCK),
ENTRY (0x1A, '^', NONE),
ENTRY (0x1B, '$', NONE),
ENTRY (0x1C, '\n', NONE),
ENTRY (0x1D, 0, INVISIBLE|INVALID), // Left Control
ENTRY (0x1E, 'Q', CAPSLOCK),
ENTRY (0x1F, 'S', CAPSLOCK),
ENTRY (0x20, 'D', CAPSLOCK),
ENTRY (0x21, 'F', CAPSLOCK),
ENTRY (0x22, 'G', CAPSLOCK),
ENTRY (0x23, 'H', CAPSLOCK),
ENTRY (0x24, 'J', CAPSLOCK),
ENTRY (0x25, 'K', CAPSLOCK),
ENTRY (0x26, 'L', CAPSLOCK),
ENTRY (0x27, 'M', CAPSLOCK),
ENTRY (0x28, '%', NONE),
ENTRY (0x29, '2', NONE), // ²
ENTRY (0x2A, 0, INVISIBLE|INVALID), // Left Shift
ENTRY (0x2B, '*', NONE),
ENTRY (0x2C, 'W', CAPSLOCK),
ENTRY (0x2D, 'X', CAPSLOCK),
ENTRY (0x2E, 'C', CAPSLOCK),
ENTRY (0x2F, 'V', CAPSLOCK),
ENTRY (0x30, 'B', CAPSLOCK),
ENTRY (0x31, 'N', CAPSLOCK),
ENTRY (0x32, '?', NONE),
ENTRY (0x33, '.', NONE),
ENTRY (0x34, '/', NONE),
ENTRY (0x35, '!', NONE),
};
const uint LeftAltScanCodes[2 * 256];
const uint LeftControlScanCodes[2 * 256];