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//=========================================================================//
// //
// PonyProg - Serial Device Programmer //
// //
// Copyright (C) 1997-2021 Claudio Lanconelli //
// //
// http://ponyprog.sourceforge.net //
// //
//-------------------------------------------------------------------------//
// //
// 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 version2 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 (see LICENSE); if not, write to the //
// Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. //
// //
//=========================================================================//
#include "types.h"
#include "at250bus2.h"
#include "errcode.h"
#include <QtCore>
#include <QDebug>
#include "e2cmdw.h"
At250BigBus::At250BigBus(BusInterface *ptr)
: At250Bus(ptr)
{
qDebug() << Q_FUNC_INFO << "(" << (hex) << ptr << (dec) << ")";
}
long At250BigBus::Read(int addr, uint8_t *data, long length, int page_size)
{
qDebug() << Q_FUNC_INFO << "(" << (hex) << addr << ", " << data << ", " << (dec) << length << ")";
ReadStart();
long len;
SendDataByte(ReadData);
SendDataByte((addr >> 8) & 0xFF); //MSB
SendDataByte(addr & 0xFF); //LSB
ShotDelay();
for (len = 0; len < length; len++)
{
*data++ = RecDataByte();
if ((len % 10) == 0)
{
if (ReadProgress(len * 100 / length))
{
break;
}
}
}
WaitMsec(1); //Flush
EndCycle();
ReadEnd();
qDebug() << Q_FUNC_INFO << "=" << len;
return len;
}
long At250BigBus::Write(int addr, uint8_t const *data, long length, int page_size)
{
long len;
WriteStart();
int writepage_size = E2Profile::GetSPIPageWrite();
WriteEEPStatus(0);
// 07/08/99 *** bug fix suggested by Atmel Product engineer
if (!WaitEndOfWrite())
{
return 0;
}
long count = 0;
for (len = 0; len < length; len += writepage_size, addr += writepage_size)
{
SendDataByte(WriteEnable);
EndCycle();
SendDataByte(WriteData);
SendDataByte((addr >> 8) & 0xFF); //MSB
SendDataByte(addr & 0xFF); //LSB
int j;
for (j = 0; j < writepage_size; j++)
{
SendDataByte(*data++);
}
EndCycle();
if (!WaitEndOfWrite())
{
return 0; //Must return 0, because > 0 (and != length) means "Abort by user"
}
if ((++count & 1))
{
if (WriteProgress(len * 100 / length))
{
break;
}
}
}
WaitMsec(1); //Flush
WriteEnd();
return len;
}
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