399 lines
7.7 KiB
C++
399 lines
7.7 KiB
C++
//=========================================================================//
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// //
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// PonyProg - Serial Device Programmer //
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// //
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// Copyright (C) 1997-2020 Claudio Lanconelli //
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// //
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// http://ponyprog.sourceforge.net //
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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 LICENSE); 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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// 24XX-2 are I2C Bus eeproms that uses 16 bits (2 bytes) for addresses. //
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// Total capacity can be up to 64KBytes. //
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#include <QString>
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#include "types.h"
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#include "e2profil.h"
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#include "e2cmdw.h"
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#include "e24xx-2.h" // Header file
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#include "errcode.h"
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#include "eeptypes.h"
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E24xx2::E24xx2(e2AppWinInfo *wininfo, BusIO *busp)
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: E24xx(wininfo, busp),
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SecurityReadCode(0xC0),
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SecurityWriteCode(0x80),
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HEnduranceReadCode(0x40),
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HEnduranceWriteCode(0x00)
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{
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writepage_size = E2Profile::GetI2CPageWrite();
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E2Profile::SetI2CPageWrite(writepage_size);
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}
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int E24xx2::Probe(int probe_size)
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{
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int rval = E24xx::Probe(probe_size);
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if (rval > 0)
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{
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long size = GetSize();
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n_bank = 1;
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SetBankSize(size / n_bank);
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SetNoOfBank(n_bank);
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}
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return rval;
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}
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int E24xx2::Write(int probe, int type)
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{
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int error = Probe(probe || GetNoOfBank() == 0);
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if (error < 0)
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{
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return error;
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}
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if (n_bank == 0)
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{
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return BADPARAM;
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}
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GetBus()->WriteStart();
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long size = GetSize();
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unsigned char *localbuf = new unsigned char[writepage_size + 2];
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int rval = OK;
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if (type & PROG_TYPE)
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{
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long j;
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for (j = 0; j < size; j += writepage_size)
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{
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memcpy(localbuf + 2, GetBufPtr() + j, writepage_size);
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localbuf[0] = (uint8_t)((j >> 8) & 0xFF);
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localbuf[1] = (uint8_t)(j & 0xFF);
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if (GetBus()->Write(eeprom_addr[0], localbuf, 2 + writepage_size) != (2 + writepage_size))
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{
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rval = GetBus()->Error();
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break;
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}
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int k;
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for (k = timeout_loop; k > 0 && GetBus()->Read(eeprom_addr[0], localbuf, 1) != 1; k--)
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{
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qApp->processEvents();
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}
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if (k == 0)
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{
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rval = E2P_TIMEOUT;
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break;
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}
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if (GetBus()->WriteProgress(j * 100 / size))
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{
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rval = OP_ABORTED;
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break;
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}
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}
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}
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GetBus()->WriteEnd();
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delete[] localbuf;
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if (rval == OK)
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{
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return GetSize();
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}
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else
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{
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return rval;
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}
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}
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int E24xx2::Read(int probe, int type)
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{
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int error = Probe(probe || GetNoOfBank() == 0);
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if (error < 0)
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{
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return error;
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}
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GetBus()->ReadStart();
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error = OK;
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if (type & PROG_TYPE)
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{
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uint8_t index[2];
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long readpage_size = 256;
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long k;
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long size = GetSize();
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for (k = 0; k < size; k += readpage_size)
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{
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//Scrive l'indice del sottoindirizzamento
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// partiamo sempre da 0.
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index[0] = (uint8_t)((k >> 8) & 0xFF);
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index[1] = (uint8_t)(k & 0xFF);
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if (GetBus()->StartWrite(eeprom_addr[0], index, 2) != 2)
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{
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error = GetBus()->Error();
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break;
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}
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if (GetBus()->Read(eeprom_addr[0], GetBufPtr() + k, readpage_size) < readpage_size)
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{
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error = GetBus()->Error();
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break;
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}
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if (GetBus()->ReadProgress(k * 100 / size))
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{
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error = OP_ABORTED;
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break;
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}
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}
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}
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GetBus()->ReadEnd();
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if (error == OK)
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{
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return GetSize();
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}
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else
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{
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return error;
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}
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}
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int E24xx2::Verify(int type)
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{
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int rval = Probe(); //Moved here from 7 lines above (10/12/99)
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if (rval < 0)
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{
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return rval;
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}
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long readpage_size = 256;
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unsigned char *localbuf = new unsigned char[readpage_size];
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GetBus()->ReadStart();
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rval = 1; //true
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if (type & PROG_TYPE)
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{
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uint8_t index[2];
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long k;
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long size = GetSize();
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for (k = 0; k < size; k += readpage_size)
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{
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//Scrive l'indice del sottoindirizzamento
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// partiamo sempre da 0.
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index[0] = (uint8_t)((k >> 8) & 0xFF);
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index[1] = (uint8_t)(k & 0xFF);
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if (GetBus()->StartWrite(eeprom_addr[0], index, 2) != 2)
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{
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rval = GetBus()->Error();
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break;
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}
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if (GetBus()->Read(eeprom_addr[0], localbuf, readpage_size) < readpage_size)
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{
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rval = GetBus()->Error();
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break;
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}
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if (memcmp(GetBufPtr() + k, localbuf, readpage_size) != 0)
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{
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rval = 0;
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break;
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}
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if (GetBus()->ReadProgress(k * 100 / size))
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{
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rval = OP_ABORTED;
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break;
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}
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}
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}
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GetBus()->ReadEnd();
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delete[] localbuf;
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return rval;
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}
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int E24xx2::SecurityRead(uint32_t &blocks)
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{
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int rv = Probe(); //Determina gli indirizzi I2C
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if (rv > 0)
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{
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uint8_t buf[4];
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buf[0] = 0xFF;
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buf[1] = 0xFF;
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buf[2] = SecurityReadCode;
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if (GetBus()->StartWrite(eeprom_addr[0], buf, 3) != 3)
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{
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return GetBus()->Error();
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}
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int val;
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if ((val = GetBus()->ReadByte(0)) < 0)
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{
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return GetBus()->Error();
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}
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blocks = (val << 4) & 0xF0;
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if ((val = GetBus()->ReadByte(1)) < 0)
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{
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return GetBus()->Error();
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}
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blocks |= (val & 0x0F);
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GetBus()->Stop();
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rv = OK;
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}
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else
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{
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rv = IICERR_NOADDRACK;
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}
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return rv;
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}
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int E24xx2::SecurityWrite(uint32_t blocks)
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{
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int rv = Probe(); //Determina gli indirizzi I2C
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if (rv > 0)
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{
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uint8_t buf[4];
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int start_block = (blocks >> 4) & 0x0F;
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int no_of_block = blocks & 0x0F;
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buf[0] = 0x80 | (start_block << 1);
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buf[1] = 0xFF;
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buf[2] = SecurityWriteCode | (no_of_block & 0x3F);
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if (GetBus()->Write(eeprom_addr[0], buf, 3) != 3)
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{
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return GetBus()->Error();
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}
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rv = OK;
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}
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else
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{
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rv = IICERR_NOADDRACK;
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}
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return rv;
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}
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int E24xx2::HighEnduranceRead(uint32_t &block_no)
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{
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int rv = Probe(); //Determina gli indirizzi I2C
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if (rv > 0)
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{
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uint8_t buf[4];
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buf[0] = 0xFF;
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buf[1] = 0xFF;
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buf[2] = HEnduranceReadCode;
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if (GetBus()->StartWrite(eeprom_addr[0], buf, 3) != 3)
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{
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return GetBus()->Error();
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}
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int val;
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if ((val = GetBus()->ReadByte(1)) < 0)
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{
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return GetBus()->Error();
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}
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block_no = val & 0x0F;
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GetBus()->Stop();
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rv = OK;
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}
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else
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{
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rv = IICERR_NOADDRACK;
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}
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return rv;
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}
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int E24xx2::HighEnduranceWrite(uint32_t block_no)
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{
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int rv = Probe(); //Determina gli indirizzi I2C
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if (rv > 0)
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{
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uint8_t buf[4];
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buf[0] = 0x80 | (uint8_t)(block_no << 1);
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buf[1] = 0xFF;
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buf[2] = HEnduranceWriteCode;
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if (GetBus()->Write(eeprom_addr[0], buf, 3) != 3)
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{
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return GetBus()->Error();
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}
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rv = OK;
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}
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else
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{
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rv = IICERR_NOADDRACK;
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}
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return rv;
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}
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