00001 /* 00002 **************************************************************************** 00003 * 00004 * simulavr - A simulator for the Atmel AVR family of microcontrollers. 00005 * Copyright (C) 2001, 2002, 2003 Klaus Rudolph 00006 * 00007 * This program is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 2 of the License, or 00010 * (at your option) any later version. 00011 * 00012 * This program is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this program; if not, write to the Free Software 00019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00020 * 00021 **************************************************************************** 00022 * 00023 * $Id$ 00024 */ 00025 00026 #ifndef KEYBDOARD_H_INCLUDED 00027 #define KEYBDOARD_H_INCLUDED 00028 00029 #define KBD_BUFFER_SIZE 128 00030 00031 00032 #include <iostream> 00033 00034 #include "systemclocktypes.h" 00035 #include "simulationmember.h" 00036 #include "hardware.h" 00037 #include "pin.h" 00038 00039 00041 class Keyboard : public SimulationMember, public ExternalType { 00042 protected: 00043 unsigned char myPortValue; 00044 Pin clk; 00045 Pin data; 00046 00047 unsigned int bitCnt; 00048 00049 //ofstream debugOut; 00050 SystemClockOffset myClockFreq; 00051 00052 unsigned int buffer[KBD_BUFFER_SIZE]; 00053 unsigned int bufferWriteIndex; 00054 unsigned int bufferReadIndex; 00055 00056 void InsertMakeCodeToBuffer(int); 00057 void InsertBreakCodeToBuffer(int); 00058 int InsertScanCodeToBuffer( unsigned char scan); 00059 00060 unsigned char actualChar; 00061 unsigned char lastPortValue; 00062 00063 public: 00064 void SetNewValueFromUi(const std::string &); 00065 virtual int Step(bool &trueHwStep, SystemClockOffset *timeToNextStepIn_ns=0); 00066 Keyboard(UserInterface *, const char *name, const char *baseWindow); 00067 void SetClockFreq(SystemClockOffset f); 00068 virtual ~Keyboard(); 00069 }; 00070 00071 #endif