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/*
****************************************************************************
*
* simulavr - A simulator for the Atmel AVR family of microcontrollers.
* Copyright (C) 2001, 2002, 2003 Klaus Rudolph
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
****************************************************************************
*
* $Id$
*/
#ifndef LCD_H_INCLUDED
#define LCD_H_INCLUDED
#include <fstream>
#include <string>
#include "systemclocktypes.h"
#include "simulationmember.h"
//#include "hardware.h"
#include "ui.h"
#include "pin.h"
typedef enum {
IDLE,
POWER_ON, // First State after Reset
PWR_AFTER_FS1,// After first Function Set Cmd no Busy Flag
PWR_AFTER_FS2,// After second Function Set Cmd no Busy Flag
PWR_ON_FINISH,// After third Function Set Cmd no Busy Flag. After the next CMD BF is valid
CMDEXEC // Executing any command after init
} t_myState;
/** Simulates a HD44780 character-LCD controller with a 4 bit interface.
* This HD-controller is boring slow :-) like some original.
*/
class Lcd : public SimulationMember {
protected:
UserInterface *ui;
std::string name;
unsigned char myPortValue;
std::map<std::string, Pin*> allPins;
Pin d0;
Pin d1;
Pin d2;
Pin d3;
Pin enable;
Pin readWrite;
Pin commandData;
unsigned int CmdExecTime_ns; // Command Execution Time
t_myState myState; // LCD State-Event machine
char myd3; // internal D3
int merke_x;
int merke_y;
void LcdWriteData(unsigned char data);
unsigned int LcdWriteCommand(unsigned char command);
std::ofstream debugOut;
void SendCursorPosition();
unsigned char lastPortValue;
int readLow;
unsigned char command;
int enableOld;
public:
virtual int Step(bool &trueHwStep, SystemClockOffset *timeToNextStepIn_ns=0);
//Lcd(UserInterface *ui, const string &name, const string &baseWindow);
Lcd(UserInterface *ui, const char *name, const char *baseWindow);
virtual ~Lcd();
Pin *GetPin(const char *name);
};
#endif
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