//----------------------------------------------------------------------------// // GNU GPL OS/K // // // // Desc: Basic Read Only Keyboard Driver // // // // // // 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 . // //----------------------------------------------------------------------------// #include #include #include char ScanCodes[100] = { 0 }; void KeybPrint(char code) { if (code) { bprintf(BStdOut, "%c", ScanCodes[(int)code]); //bprintf(BStdOut, "%x ", code); BStdOut->flusher(BStdOut); } } void ScanCodesInit(void) { 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] = ' '; 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] = ' '; } void KeybHandler(ISRFrame_t *regs) { char status; char code = 0; // write EOI IoWriteByteOnPort(0x20, 0x20); status = IoReadByteFromPort(0x64); if (status & 0x01) { code = IoReadByteFromPort(0x60); if(code < 0) code = 0; } KeybPrint((int)code); IoSendEOItoPIC(0x21); } void IoEnableKeyb(void) { ulong flags = KePauseIRQs(); IdtRegisterIsr(KeybHandler, 0x21); char readedInterruptConfig = IoReadByteFromPort(0x21); IoWriteByteOnPort(0x21, 0xFD & readedInterruptConfig); KeRestoreIRQs(flags); IoEnableNMI(); ScanCodesInit(); }