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//=========================================================================//
// //
// PonyProg - Serial Device Programmer //
// //
// Copyright (C) 1997-2025 Claudio Lanconelli //
// //
// https://github.com/lancos/ponyprog //
// //
//-------------------------------------------------------------------------//
// //
// 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 "sdebus.h"
#include "errcode.h"
#include <QDebug>
#include <QtCore>
#include "e2cmdw.h"
Sde2506Bus::Sde2506Bus(BusInterface *ptr)
: BusIO(ptr)
{
qDebug() << Q_FUNC_INFO;
}
Sde2506Bus::~Sde2506Bus()
{
qDebug() << Q_FUNC_INFO;
}
void Sde2506Bus::SetDelay()
{
int val = E2Profile::GetSDESpeed();
int n;
switch (val)
{
case TURBO:
n = 1;
break;
case FAST:
n = 5;
break;
case SLOW:
n = 30;
break;
case VERYSLOW:
n = 100;
break;
case ULTRASLOW:
n = 1000;
break;
default:
n = 10; //Default (< 100KHz)
break;
}
Q_CHECK_PTR(busI);
busI->SetDelay(n);
qDebug() << Q_FUNC_INFO << "=" << n;
}
int Sde2506Bus::SendDataBit(int b)
{
//clearCLK(); //si assicura che SCK low
//ShotDelay();
//setCLK();
//bitDI(b);
//ShotDelay();
//clearCLK(); //device latch data bit now!
int err = OK;
clearCLK();
busI->xferBit(err, b, SPI_MODE_1 | xMODE_WRONLY);
return err;
}
int Sde2506Bus::RecDataBit()
{
//clearCLK(); //the eeprom set data now
//ShotDelay();
//setCLK();
//b = getDO();
//ShotDelay(); //hold time
//clearCLK();
int err = OK;
clearCLK();
int rv = busI->xferBit(err, 1, SPI_MODE_0 | xMODE_RDONLY);
if (err == OK)
{
return rv;
}
else
{
return err;
}
}
int Sde2506Bus::SendDataWord(int wo, int wlen)
{
int err = OK;
clearCLK();
ShotDelay();
busI->xferWord(err, wo, SPI_MODE_1 | xMODE_WRONLY, wlen, true);
setDI();
return err;
}
int Sde2506Bus::RecDataWord(int wlen)
{
int err = OK;
clearCLK();
int rv = busI->xferWord(err, 0xffff, SPI_MODE_0 | xMODE_RDONLY, wlen, true);
if (err == OK)
{
return rv;
}
else
{
return err;
}
}
int Sde2506Bus::WaitReadyAfterWrite(long timeout)
{
WaitMsec(15);
return OK;
}
int Sde2506Bus::Reset(void)
{
qDebug() << Q_FUNC_INFO;
SetDelay();
clearCLK(); //clock = 0
setDI(); //data = 1
setCE(); //CE = 1
return OK;
}
long Sde2506Bus::Read(int addr, uint8_t *data, long length, int page_size)
{
qDebug() << Q_FUNC_INFO << "(" << (Qt::hex) << addr << ", " << data << ", " << (Qt::dec) << length << ")";
ReadStart();
long len;
for (len = 0; len < length; len++)
{
setCE();
//Send command opcode
SendAddress(addr++);
SendControlBit(0); //SB = 0 --> Read op
WaitUsec(5);
clearCE();
ShotDelay();
SendDataBit(1);
*data++ = RecDataWord();
ShotDelay(2);
setCE();
if ((len % 4) == 0)
{
if (ReadProgress(len * 100 / length))
{
break;
}
}
}
WaitMsec(1); //Flush
ReadEnd();
qDebug() << Q_FUNC_INFO << "=" << len;
return len;
}
long Sde2506Bus::Write(int addr, uint8_t const *data, long length, int page_size)
{
long curaddr;
WriteStart();
for (curaddr = addr; curaddr < length; curaddr++)
{
setCE();
//Send command opcode
SendDataWord(*data++);
SendAddress(curaddr);
SendControlBit(1); //SB = 1 --> Write/Erase op
ShotDelay(2); //WaitUsec(5);
clearCE();
SendDataBit(1); //Start erase
setDI();
WaitReadyAfterWrite();
setCE(); //End erase
ShotDelay(); //WaitUsec(GetDelay() / 2 + 1); //perform write
clearDI();
ShotDelay();
clearCE();
SendDataBit(0); //Start write
setDI();
WaitReadyAfterWrite();
setCE(); //End write
ShotDelay();
if ((curaddr & 1))
{
if (WriteProgress(curaddr * 100 / length))
{
break;
}
}
}
WaitMsec(1); //Flush
WriteEnd();
return curaddr;
}
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