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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 "at93cbus.h"
#include "errcode.h"
#include <QDebug>
#include <QtCore>
#include "e2cmdw.h"
//Siamo sicuri BIGENDIAN?? Il formato HexIntel e` little-endian
// e quindi anche le AT90S1200
#define _BIG_ENDIAN_
// Costruttore
At93cBus::At93cBus(BusInterface *ptr)
: MicroWireBus(ptr),
ReadCode(06),
WriteCode(05),
WriteEnableCode(04),
EraseAllCode(04),
PrClearCode(07),
loop_timeout(8000),
address_len(6), //9346
organization(ORG16)
{
qDebug() << Q_FUNC_INFO;
}
int At93cBus::Erase(int type)
{
(void)type;
clearCS();
setCS();
SendCmdOpcode(WriteEnableCode);
SendDataWord(0xFFFF, address_len);
clearCS();
setCS();
SendCmdOpcode(EraseAllCode);
SendDataWord((2 << (address_len - 2)), address_len);
clearCS();
setCS();
SendCmdOpcode(WriteEnableCode);
SendDataWord(0, address_len);
return 1;
}
/**** Protect disable sequence:
clearCS();
PRE = 0;
setCS();
SendCmdOpcode(WriteEnableCode); //WEN
SendDataWord(0xFFFF, address_len);
clearCS();
PRE = 1;
setCS();
SendCmdOpcode(WriteEnableCode); //PREN
SendDataWord(0xFFFF, address_len);
clearCS();
PRE = 1;
setCS();
SendCmdOpcode(PrClearCode); //PRCLEAR
SendDataWord(0xFFFF, address_len);
clearCS();
PRE = 0;
setCS();
SendCmdOpcode(WriteEnableCode); //WDS
SendDataWord(0, address_len);
****/
//ATTENTION!!! 93CXX are read and written a WORD at a time (not BYTE)
long At93cBus::Read(int addr, uint8_t *data, long length, int page_size)
{
(void)page_size;
qDebug() << "At93cBus::Read(" << (hex) << addr << ", " << data << ", " << (dec) << length;
ReadStart();
long len;
if (addr > 0)
{
address_len = addr;
}
addr = 0;
int inc;
if (organization == ORG16)
{
inc = 2;
}
else
{
inc = 1;
}
//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();
ShotDelay();
//Send command opcode
SendCmdOpcode(ReadCode);
SendAddress(addr++, address_len);
uint16_t val = RecDataWord(organization);
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);
}
if ((len % 4) == 0)
{
if (ReadProgress(len * 100 / length))
{
break;
}
}
}
WaitMsec(1); //Flush
ReadEnd();
qDebug() << Q_FUNC_INFO << "=" << len;
return len;
}
long At93cBus::Write(int addr, uint8_t const *data, long length, int page_size)
{
long curaddr;
WriteStart();
if (addr > 0)
{
address_len = addr;
}
clearCS(); //17/08/98 -- may be it's not needed
setCS();
SendCmdOpcode(WriteEnableCode);
SendDataWord(0xFFFF, address_len);
clearCS();
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
SendCmdOpcode(WriteCode);
SendAddress(curaddr, address_len);
SendDataWord(val, organization);
#if 1
if (WaitReadyAfterWrite(loop_timeout))
{
return 0; //- 07/08/99 a number >0 but != length mean "User abort"
}
#else
WaitMsec(10);
#endif
clearCS();
setCS();
if ((curaddr & 1))
if (WriteProgress(curaddr * 100 / length))
{
break;
}
}
SendCmdOpcode(WriteEnableCode);
SendDataWord(0, address_len);
WaitMsec(1); //Flush
WriteEnd();
if (organization == ORG16)
{
curaddr <<= 1; //word to byte counter
}
return curaddr;
}
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