305 lines
12 KiB
C
305 lines
12 KiB
C
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/*
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* $Log: V:/Flite/archives/TrueFFS5/Src/MTDSA.C_V $
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*
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* Rev 1.14 Apr 15 2002 07:37:56 oris
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* flBusConfig array was changed from byte variables to dword.
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*
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* Rev 1.13 Jan 23 2002 23:33:48 oris
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* Bad include directive to flBuffer.h
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*
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* Rev 1.12 Jan 17 2002 23:03:24 oris
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* Changed flbase.h include with docsys.h and nanddefs.h
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* Moved boot SDK MTD related variables from docbdk.c
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* Define flSocketOf and flFlashOf routines.
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*
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* Rev 1.11 Jul 13 2001 01:07:40 oris
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* Added readback buffer allocation and flBuffer.h include directive.
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*
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* Rev 1.10 Jun 17 2001 22:29:52 oris
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* Removed typo *
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*
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* Rev 1.9 Jun 17 2001 16:39:12 oris
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* Improved documentation and remove warnings.
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*
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* Rev 1.8 May 29 2001 19:48:32 oris
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* Compilation problem when using the default delay routine.
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*
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* Rev 1.7 May 21 2001 16:11:02 oris
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* Added USE_STD_FUNC ifdef.
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*
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* Rev 1.6 May 20 2001 14:36:00 oris
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* Added delay routines for vx_works and psos OS.
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*
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* Rev 1.5 May 16 2001 21:20:54 oris
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* Bug fix - delay routine did not support delay milliseconds that did not fit into
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* a 2 bytes variable.
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*
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* Rev 1.4 Apr 24 2001 17:10:30 oris
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* Removed warnings.
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*
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* Rev 1.3 Apr 10 2001 23:55:58 oris
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* Added flAddLongToFarPointer routine for the standalone version.
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*
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* Rev 1.2 Apr 09 2001 15:08:36 oris
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* End with an empty line.
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*
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* Rev 1.1 Apr 01 2001 07:53:24 oris
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* copywrite notice.
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* Removed nested comments.
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*
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* Rev 1.0 Feb 04 2001 12:19:56 oris
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* Initial revision.
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*
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*/
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/*************************************************************************/
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/* M-Systems Confidential */
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/* Copyright (C) M-Systems Flash Disk Pioneers Ltd. 1995-2001 */
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/* All Rights Reserved */
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/*************************************************************************/
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/* NOTICE OF M-SYSTEMS OEM */
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/* SOFTWARE LICENSE AGREEMENT */
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/* */
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/* THE USE OF THIS SOFTWARE IS GOVERNED BY A SEPARATE LICENSE */
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/* AGREEMENT BETWEEN THE OEM AND M-SYSTEMS. REFER TO THAT AGREEMENT */
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/* FOR THE SPECIFIC TERMS AND CONDITIONS OF USE, */
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/* OR CONTACT M-SYSTEMS FOR LICENSE ASSISTANCE: */
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/* E-MAIL = info@m-sys.com */
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/*************************************************************************/
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/************************************************************************/
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/* */
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/* Standalone MTD Kit */
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/* */
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/************************************************************************/
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/************************************************************************/
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/* File Header */
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/* ----------- */
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/* Name : mtdsa.c */
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/* */
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/* Description : This file contains auxiliary routines for the MTD */
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/* standalone package, replacing TrueFFS routines. */
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/* */
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/* Note : This file should be added to the project only if the */
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/* MTS_STANDALONE compilation flag is defined in the file mtdsa.h*/
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/* IT HAS NO PART IN A TrueFFS project */
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/* */
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/************************************************************************/
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#include "flbase.h"
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#include "nanddefs.h"
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#include "docsys.h"
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#ifdef MTD_STANDALONE
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#include "flbuffer.h" /* defintion for READ_BACK_BUFFER_SIZE */
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#if (defined (VERIFY_WRITE) || defined(VERIFY_ERASE) || defined(MTD_RECONSTRUCT_BBT))
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byte globalReadBack[SOCKETS][READ_BACK_BUFFER_SIZE];
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#endif /* VERIFY_WRITE */
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#if (defined (HW_PROTECTION) || defined (HW_OTP) || defined (MTD_READ_BBT_CODE) || !defined (NO_IPL_CODE) || defined(MTD_READ_BBT))
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FLBuffer globalMTDBuffer;
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#endif /* HW_PROTECTION || HW_OTP || NO_IPL_CODE || MTD_READ_BBT */
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#ifndef FL_NO_USE_FUNC
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dword flBusConfig[SOCKETS] = {FL_NO_ADDR_SHIFT |
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FL_BUS_HAS_8BIT_ACCESS |
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FL_BUS_HAS_16BIT_ACCESS |
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FL_BUS_HAS_32BIT_ACCESS};
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#endif /* FL_NO_USE_FUNC */
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FLFlash flash[SOCKETS]; /* flash record for the stand alone version */
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FLSocket socket[SOCKETS]; /* socket record for the stand alone version */
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NFDC21Vars docMtdVars[SOCKETS]; /* flash internal record */
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MTDidentifyRoutine mtdTable [MTDS];
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SOCKETidentifyRoutine socketTable[MTDS];
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FREEmtd freeTable [MTDS];
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int noOfMTDs = 0;
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/************************************************************************/
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/* f l F l a s h O f */
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/* */
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/* Gets the flash connected to a volume no. */
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/* */
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/* Parameters: */
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/* volNo : Volume no. for which to get flash */
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/* */
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/* Returns: */
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/* flash of volume no. */
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/************************************************************************/
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FLFlash *flFlashOf(unsigned volNo)
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{
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return &flash[volNo];
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}
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/************************************************************************/
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/* f l S o c k e t O f */
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/* */
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/* Gets the socket connected to a volume no. */
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/* */
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/* Parameters: */
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/* volNo : Volume no. for which to get socket */
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/* */
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/* Returns: */
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/* socket of volume no. */
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/************************************************************************/
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FLSocket *flSocketOf(unsigned volNo)
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{
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return &socket[volNo];
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}
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/************************************************************************/
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/************************************************************************/
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/**** P l a t f o r m D e p e n d e n t R o u t i n e s ****/
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/************************************************************************/
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/************************************************************************/
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/************************************************************************/
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/* Delay */
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/*------- */
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/* Delay for the specified amount of milliseconds, Scaled by CPU speed. */
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/* The function below can be customized to one of the follwing OS: */
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/* VXWORKS */
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/* PSOS */
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/* DOS */
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/************************************************************************/
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#ifdef DOS_DELAY
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#include <dos.h>
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#endif /* DOS */
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#ifdef PSS_DELAY
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/* ticks per second */
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#include <bspfuncs.h>
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static unsigned long flSysClkRate = (unsigned long) KC_TICKS2SEC;
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#define MILLISEC2TICKS(msec) ((flSysClkRate * (msec)) / 1000L)
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/************************************************************************/
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/* p s s D e l a y M s e c s */
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/* */
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/* Wait for specified number of milliseconds */
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/* */
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/* Parameters: */
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/* milliseconds : Number of milliseconds to wait */
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/* */
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/************************************************************************/
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void pssDelayMsecs (unsigned milliseconds)
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{
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unsigned long ticksToWait = MILLISEC2TICKS(milliseconds);
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tm_wkafter (ticksToWait ? ticksToWait : 0x1L ); /* go to sleep */
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}
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#endif /* PSS_DELAY */
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#ifdef VXW_DELAY
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#include <vxWorks.h>
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#include <tickLib.h>
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#include <sysLib.h>
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void vxwDelayMsecs (unsigned milliseconds)
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{
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unsigned long stop, ticksToWait;
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ticksToWait = (milliseconds * sysClkRateGet()) / 500;
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if( ticksToWait == 0x0l )
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ticksToWait++;
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stop = tickGet() + ticksToWait;
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while( tickGet() <= stop );
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}
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#endif
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void flDelayMsecs(unsigned long msec)
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{
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unsigned curDelay;
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#ifdef DOS_DELAY
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while (msec>0)
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{
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curDelay = (unsigned)msec;
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delay( curDelay );
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msec -= curDelay;
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}
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#elif defined PSS_DELAY
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while (msec>0)
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{
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curDelay = (unsigned)msec;
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pssDelayMsecs (curDelay);
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msec -= curDelay;
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}
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#elif defined VXW_DELAY
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while (msec>0)
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{
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curDelay = (unsigned)msec;
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vxwDelayMsecs(curDelay);
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msec -= curDelay;
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}
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#else
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while( msec-- > 0 ) curDelay += (unsigned)msec;
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#endif /* DOS_DELAY */
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}
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/************************************************************************/
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/* Use customized tffscpy, tffsset and tffscmp routines. */
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/************************************************************************/
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#ifndef USE_STD_FUNC
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/************************************************************************/
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/* tffscpy - copy one memory block to the other. */
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/************************************************************************/
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void tffscpy(void FAR1 *dest, void FAR1 *src, unsigned length)
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{
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while( length-- )
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*(((char FAR1 *)dest)++) = *(((char FAR1 *)src)++);
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}
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/************************************************************************/
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/* tffscmp - compare two memory blocks. */
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/************************************************************************/
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int tffscmp(void FAR1 *src1, void FAR1 *src2, unsigned length)
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{
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while( length-- )
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if (*(((char FAR1 *)src1)++) != *(((char FAR1 *)src2)++))
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return(TRUE);
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return(FALSE);
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}
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/************************************************************************/
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/* tffsset - set a memory blocks to a certain value. */
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/************************************************************************/
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void tffsset(void FAR1 *dest, unsigned char value, unsigned length)
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{
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while( length-- )
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*(((char FAR1 *)dest)++) = value;
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}
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#endif /* USE_STD_FUNC */
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/************************************************************************/
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/* f l A d d L o n g T o F a r P o i n t e r */
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/* */
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/* Add unsigned long offset to the far pointer */
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/* */
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/* Parameters: */
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/* ptr : far pointer */
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/* offset : offset in bytes */
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/* */
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/************************************************************************/
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void FAR0 *flAddLongToFarPointer(void FAR0 *ptr, unsigned long offset)
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{
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return physicalToPointer( pointerToPhysical(ptr) + offset, 0,0 );
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}
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#endif /* MTD_STANDALONE */
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