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//=========================================================================//
// //
// PonyProg - Serial Device Programmer //
// //
// Copyright (C) 1997-2007 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 "x2444bus.h"
#include "errcode.h"
#include <QDebug>
#include "e2cmdw.h"
#define _BIG_ENDIAN_
X2444Bus::X2444Bus(BusInterface *ptr)
: MicroWireBus(ptr),
ReadCode(06),
WriteCode(03),
WriteEnableCode(04),
WriteDisableCode(00),
RecallCode(05),
StoreCode(01),
loop_timeout(8000),
organization(ORG16)
{
qDebug() << Q_FUNC_INFO;
}
void X2444Bus::SendCmdAddr(int cmd, int addr)
{
if (organization == ORG16)
{
SendDataWord(0x80 | ((addr & 0x0f) << 3) | (cmd & 7), 8);
}
else
{
SendDataWord(0x80 | ((addr & 0x07) << 4) | (cmd & 7), 8);
}
}
long X2444Bus::Read(int addr, uint8_t *data, long length, int page_size)
{
qDebug() << Q_FUNC_INFO << "(" << (hex) << addr << ", " << data << ", " << (dec) << length << ")";
ReadStart();
long len;
int inc;
addr = 0;
if (organization == ORG16)
{
inc = 2;
}
else
{
inc = 1;
}
//Prima assicuriamoci una recall
clearCS();
ShotDelay();
setCS();
SendCmdAddr(RecallCode, 0xff);
//Dal piu` significativo al meno significativo
for (len = 0; len < length; len += inc)
{
//17/08/98 -- now repeat the command every word
clearCS();
ShotDelay();
setCS();
//Send command opcode and address
SendCmdAddr(ReadCode, addr++);
//The first bit after read command is "shorter"
// so we have to use a special function
uint16_t val = RecDataWordShort(organization, true);
if (organization == ORG16)
{
#ifdef _BIG_ENDIAN_
*data++ = (uint8_t)(val >> 8);
*data++ = (uint8_t)(val & 0xFF);
#else
*data++ = (uint8_t)(val & 0xFF);
*data++ = (uint8_t)(val >> 8);
#endif
}
else
{
*data++ = (uint8_t)(val & 0xFF);
}
WaitUsec(1);
if ((len & 1))
{
if (ReadProgress(len * 100 / length))
{
break;
}
}
}
clearCS();
WaitMsec(1); //Flush
ReadEnd();
qDebug() << Q_FUNC_INFO << "=" << len;
return len;
}
long X2444Bus::Write(int addr, uint8_t const *data, long length, int page_size)
{
long curaddr;
WriteStart();
clearCS(); //17/08/98 -- may be it's not needed
ShotDelay();
setCS();
//Recall eeprom from ram
SendCmdAddr(RecallCode, 0xff);
clearCS();
ShotDelay();
setCS();
//Write enable
SendCmdAddr(WriteEnableCode, 0xff);
clearCS();
ShotDelay();
setCS();
if (organization == ORG16)
{
length >>= 1; //byte to word counter
}
for (curaddr = 0; curaddr < length; curaddr++)
{
uint16_t val;
if (organization == ORG16)
{
#ifdef _BIG_ENDIAN_
val = (uint16_t)(*data++) << 8;
val |= (uint16_t)(*data++);
#else
val = (uint16_t)(*data++);
val |= (uint16_t)(*data++) << 8;
#endif
}
else
{
val = *data++;
}
//Send command opcode
SendCmdAddr(WriteCode, curaddr);
SendDataWord(val, organization, true);
ShotDelay();
clearCS();
ShotDelay();
setCS();
if ((curaddr & 1))
{
if (WriteProgress(curaddr * 100 / length))
{
break;
}
}
}
SendCmdAddr(StoreCode, 0xff);
clearCS();
WaitMsec(10); //Flush
WriteEnd();
if (organization == ORG16)
{
curaddr <<= 1; //word to byte counter
}
return curaddr;
}
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