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-/**
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-@verbatim
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-
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-Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
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-
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- ADDI-DATA GmbH
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- Dieselstrasse 3
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- D-77833 Ottersweier
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- Tel: +19(0)7223/9493-0
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- Fax: +49(0)7223/9493-92
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- http://www.addi-data.com
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- info@addi-data.com
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-
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-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 version 2 of 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, 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.
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-
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-You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-
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-You should also find the complete GPL in the COPYING file accompanying this source code.
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-
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-@endverbatim
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-*/
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-/*
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- +-----------------------------------------------------------------------+
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- | (C) ADDI-DATA GmbH Dieselstraße 3 D-77833 Ottersweier |
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- +-----------------------------------------------------------------------+
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- | Tel : +49 (0) 7223/9493-0 | email : info@addi-data.com |
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- | Fax : +49 (0) 7223/9493-92 | Internet : http://www.addi-data.com |
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- +-------------------------------+---------------------------------------+
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- | Project : ADDI HEADER READ WRITER | Compiler : Visual C++ |
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- | Module name : S5920.cpp | Version : 6.0 |
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- +-------------------------------+---------------------------------------+
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- | Author : E. LIBS Date : 02/05/2002 |
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- +-----------------------------------------------------------------------+
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- | Description : DLL with the S5920 PCI Controller functions |
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- +-----------------------------------------------------------------------+
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- | UPDATE'S |
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- +-----------------------------------------------------------------------+
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- | Date | Author | Description of updates |
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- +----------+-----------+------------------------------------------------+
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- | 28/08/02 | LIBS Eric | Add return codes each time a function of the |
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- | | | Addi Library is called |
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- +-----------------------------------------------------------------------+
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- | 31/07/03 | KRAUTH J. | Changes for the MSX-Box |
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- +-----------------------------------------------------------------------+
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-*/
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-
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-#include "addi_amcc_S5920.h"
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-
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-/*+----------------------------------------------------------------------------+*/
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-/*| Function Name : int i_AddiHeaderRW_ReadEeprom |*/
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-/*| (int i_NbOfWordsToRead, |*/
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-/*| unsigned int dw_PCIBoardEepromAddress, |*/
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-/*| unsigned short w_EepromStartAddress, |*/
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-/*| unsigned short * pw_DataRead) |*/
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-/*+----------------------------------------------------------------------------+*/
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-/*| Task : Read word from the 5920 eeprom. |*/
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-/*+----------------------------------------------------------------------------+*/
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-/*| Input Parameters : int i_NbOfWordsToRead : Nbr. of word to read |*/
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-/*| unsigned int dw_PCIBoardEepromAddress : Address of the eeprom |*/
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-/*| unsigned short w_EepromStartAddress : Eeprom start address |*/
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-/*+----------------------------------------------------------------------------+*/
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-/*| Output Parameters : unsigned short * pw_DataRead : Read data |*/
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-/*+----------------------------------------------------------------------------+*/
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-/*| Return Value : - |*/
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-/*+----------------------------------------------------------------------------+*/
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-
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-int i_AddiHeaderRW_ReadEeprom(int i_NbOfWordsToRead,
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- unsigned int dw_PCIBoardEepromAddress,
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- unsigned short w_EepromStartAddress, unsigned short *pw_DataRead)
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-{
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- unsigned int dw_eeprom_busy = 0;
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- int i_Counter = 0;
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- int i_WordCounter;
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- int i;
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- unsigned char pb_ReadByte[1];
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- unsigned char b_ReadLowByte = 0;
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- unsigned char b_ReadHighByte = 0;
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- unsigned char b_SelectedAddressLow = 0;
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- unsigned char b_SelectedAddressHigh = 0;
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- unsigned short w_ReadWord = 0;
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-
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- for (i_WordCounter = 0; i_WordCounter < i_NbOfWordsToRead;
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- i_WordCounter++) {
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- do {
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- dw_eeprom_busy =
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- inl(dw_PCIBoardEepromAddress +
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- AMCC_OP_REG_MCSR);
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- dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
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- } while (dw_eeprom_busy == EEPROM_BUSY);
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-
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- for (i_Counter = 0; i_Counter < 2; i_Counter++) {
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- b_SelectedAddressLow = (w_EepromStartAddress + i_Counter) % 256; /* Read the low 8 bit part */
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- b_SelectedAddressHigh = (w_EepromStartAddress + i_Counter) / 256; /* Read the high 8 bit part */
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-
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- /* Select the load low address mode */
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- outb(NVCMD_LOAD_LOW,
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- dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR +
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- 3);
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-
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- /* Wait on busy */
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- do {
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- dw_eeprom_busy =
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- inl(dw_PCIBoardEepromAddress +
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- AMCC_OP_REG_MCSR);
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- dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
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- } while (dw_eeprom_busy == EEPROM_BUSY);
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-
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- /* Load the low address */
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- outb(b_SelectedAddressLow,
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- dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR +
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- 2);
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-
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- /* Wait on busy */
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- do {
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- dw_eeprom_busy =
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- inl(dw_PCIBoardEepromAddress +
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- AMCC_OP_REG_MCSR);
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- dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
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- } while (dw_eeprom_busy == EEPROM_BUSY);
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-
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- /* Select the load high address mode */
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- outb(NVCMD_LOAD_HIGH,
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- dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR +
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- 3);
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-
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- /* Wait on busy */
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- do {
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- dw_eeprom_busy =
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- inl(dw_PCIBoardEepromAddress +
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- AMCC_OP_REG_MCSR);
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- dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
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- } while (dw_eeprom_busy == EEPROM_BUSY);
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-
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- /* Load the high address */
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- outb(b_SelectedAddressHigh,
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- dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR +
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- 2);
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-
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- /* Wait on busy */
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- do {
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- dw_eeprom_busy =
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- inl(dw_PCIBoardEepromAddress +
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- AMCC_OP_REG_MCSR);
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- dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
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- } while (dw_eeprom_busy == EEPROM_BUSY);
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-
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- /* Select the READ mode */
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- outb(NVCMD_BEGIN_READ,
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- dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR +
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- 3);
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-
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- /* Wait on busy */
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- do {
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- dw_eeprom_busy =
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- inl(dw_PCIBoardEepromAddress +
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- AMCC_OP_REG_MCSR);
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- dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
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- } while (dw_eeprom_busy == EEPROM_BUSY);
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-
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- /* Read data into the EEPROM */
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- *pb_ReadByte =
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- inb(dw_PCIBoardEepromAddress +
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- AMCC_OP_REG_MCSR + 2);
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-
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- /* Wait on busy */
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- do {
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- dw_eeprom_busy =
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- inl(dw_PCIBoardEepromAddress +
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- AMCC_OP_REG_MCSR);
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- dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
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- } while (dw_eeprom_busy == EEPROM_BUSY);
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-
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- /* Select the upper address part */
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- if (i_Counter == 0)
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- b_ReadLowByte = pb_ReadByte[0];
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- else
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- b_ReadHighByte = pb_ReadByte[0];
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-
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- /* Sleep */
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- msleep(1);
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-
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- }
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- w_ReadWord =
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- (b_ReadLowByte | (((unsigned short)b_ReadHighByte) *
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- 256));
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-
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- pw_DataRead[i_WordCounter] = w_ReadWord;
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-
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- w_EepromStartAddress += 2; /* to read the next word */
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-
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- } /* for (...) i_NbOfWordsToRead */
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- return 0;
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-}
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