98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
//=========================================================================//
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//-------------------------------------------------------------------------//
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// microbus.h -- Header for MicroWireBus class //
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// This file is part of PonyProg. //
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//-------------------------------------------------------------------------//
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// //
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// PonyProg - Serial Device Programmer //
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// //
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// Copyright (C) 1997, 1998 Claudio Lanconelli //
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// //
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// e-mail: lanconel@cs.unibo.it //
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// http://www.cs.unibo.it/~lanconel //
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// //
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//-------------------------------------------------------------------------//
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// //
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// This program is free software; you can redistribute it and/or //
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// modify it under the terms of the GNU General Public License //
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// as published by the Free Software Foundation; either version2 of //
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// the License, or (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
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// General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program (see COPYING); if not, write to the //
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// Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. //
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// //
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//-------------------------------------------------------------------------//
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//=========================================================================//
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#ifndef _MICROBUS_H
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#define _MICROBUS_H
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#include "busio.h"
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#include "pgminter.h"
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#define ORG8 1
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#define ORG16 0
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class MicroWireBus : public BusIO
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{
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public: //------------------------------- public
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MicroWireBus(BusInterface *ptr = 0);
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virtual ~MicroWireBus();
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// ULONG Read(int addr, UBYTE *data, ULONG length);
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// ULONG Write(int addr, UBYTE const *data, ULONG length);
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int Reset();
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int CalcAddressSize(int mem_size, int org = ORG16) const;
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void SetDelay();
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protected: //------------------------------- protected
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int SendDataWord(int wo, int wlen = 16);
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int RecDataWord(int wlen = 16);
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int WaitReadyAfterWrite(long timeout = 50000);
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int SendCmdOpcode(int opcode)
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{ return SendDataWord(opcode, 3); }
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int SendAddress(int addr, int alen)
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{ return SendDataWord(addr, alen); }
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void SetReset()
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{ busI->SetControlLine(1); }
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void ClearReset()
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{ busI->SetControlLine(0); }
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private: //------------------------------- private
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int SendDataBit(int b);
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int RecDataBit();
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void bitDI(int b)
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{ busI->SetDataOut(b); }
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void setDI()
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{ busI->SetDataOut(1); }
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void clearDI()
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{ busI->SetDataOut(0); }
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void setCLK()
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{ busI->SetClock(1); }
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void clearCLK()
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{ busI->SetClock(0); }
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int getDO() const
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{ return busI->GetDataIn(); }
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};
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#endif
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