problems in API function "DisplayPatternAutoStepForSinglePass"

#include "stdafx.h"
#include "stddef.h"
#include "string.h"
#include "PortabilityLayer.h"

/// Implementation of a logging function.  See 'SetLoggingCallback' function.
void Logit(String it)
{
	printf("%s\n", it);
}

void Usage(_TCHAR* arg0)
{
	printf("Purpose: Downloads 1+ images to image frame buffer memory\n");
	printf("%s file1 [file2 | ...]\n", arg0);
	printf("Usage:\n");
	printf("  Input one or more filenames to download to the DLP LightCommander\n");
	printf("  image frame buffer memory.\n");
	printf("  All input files must be DBI-formatted files.  These files are created\n");
	printf("  by the Application SW written by LOGIC.  See documentation for further details.\n");
}

// DBI image utility function
int ReadDbiImageHdr_NBPP(const char* filename);


int _tmain(int argc, _TCHAR* argv[])
{
	Byte loglvl = 0;
	Boolean stopOnError = 1;
	Status rc;
	int i;
	unsigned char imgcnt = 4;
	int nbpp   = -1;
	Double intensityPerCent;
	int j;


#define MAX_IMAGES  64
	char file[MAX_IMAGES][256];  // fyi: 64 is just a convenient limit for this driver
	UInt16 imgOrderLUT[MAX_IMAGES];


	for(i=0; i < MAX_IMAGES; i++) {
		file[i][0] = '\0'; // add NULL terminator
		imgOrderLUT[i] = 0;
	}


	strcpy(file[0],"C:\\Documents and Settings\\Dragon\\My Documents\\LightCommander Control\\CodingTest\\Solutions\\Test Batchfile for Coding\\Images\\duijiao.dbi");
	strcpy(file[1],"C:\\Documents and Settings\\Dragon\\My Documents\\LightCommander Control\\CodingTest\\Solutions\\Test Batchfile for Coding\\Images\\dxctest1.dbi");
	strcpy(file[2],"C:\\Documents and Settings\\Dragon\\My Documents\\LightCommander Control\\newgreen\\Solutions\\12\\Images\\12NO.1.dbi");
	strcpy(file[3],"C:\\Documents and Settings\\Dragon\\My Documents\\LightCommander Control\\newgreen\\Solutions\\12\\Images\\12NO.2.dbi");



	// REQUIRED INITIALIZATION...
	if((rc = InitPortabilityLayer(loglvl+1, loglvl, Logit)) != STAT_OK) {
		printf("ERROR running InitPortabilityLayer (ret code = %d)\n", (int)rc);
		return(1);
	}
	printf("%45s:  ret code = OK\n","InitPortabilityLayer");

	// 1. Program image order LUT...
	nbpp = ReadDbiImageHdr_NBPP(file[0]);
	for(i=0; i < imgcnt; i++)
		imgOrderLUT[i] = i;  // maintain the same image order as was passed into this app...

	if((rc = DLP_RegIO_WriteImageOrderLut((Byte)nbpp, imgOrderLUT, (UInt16)imgcnt)) != STAT_OK) {
		printf("ERROR running WriteImageOrderTable (ret code = %d)\n", (int)rc);
		return(1);
	}


	// 2. Download images...
	for(i=0; i < imgcnt; i++)
	{
		printf("Downloading image# %3d:  %s  ...\n", i, file[i]);
		if((rc = WriteExternalImage(file[i], i)) != STAT_OK) {
			printf("ERROR running WriteExternalImage (ret code = %d)\n", (int)rc);
			return(1);
		}
	}


	if((rc = DLP_Display_DisplayPatternAutoStepForSinglePass()) != 0) {
		printf("ERROR running DisplayPatternAutoStepForSinglePass (ret code = %d)\n", (int)rc);
		return(1);
	}

	return 0;
}

// *Temporary* function used to read the NBPP field from the header of a DBI Image file.
// This function has no guarantees of working in the future and should be used 
// at your own risk.  It exists here since a similar function is not available as an
// exported function in the portability DLL.
int ReadDbiImageHdr_NBPP(const char* filename)
{
	unsigned char bpp=0;
	FILE* pFile = NULL;
	int nBytesToRead = 0;
	int nBytesInFile = 0;
	int nBytesRead = 0;

	typedef struct
	{
		char	 signature[4];
		UInt32	 cbSize;
		UInt32	 rows;
		UInt32	 cols;
		UInt32	 bpp;
		UInt16	 data[1];

	} dbiImage;
	dbiImage dbi;
	nBytesToRead = offsetof(dbiImage,bpp);   // get byte offset to start of "bpp"
	nBytesToRead += sizeof(UInt32);

	if((pFile = fopen(filename, "rb")) == NULL)
	{
		printf("File open error on %s\n", filename);
		printf("Hint: check spelling or path\n");
		return -1;
	}
	fseek(pFile, 0, SEEK_END);
	nBytesInFile = ftell(pFile);
	//printf("#bytes in file = %d\n", nBytesInFile);
	if(nBytesInFile < nBytesToRead) {
		printf("Insufficent data in file to read BPP parameter; must be at least %d bytes\n", nBytesToRead);
		return -1;
	}
	fseek(pFile, 0, SEEK_SET);
	nBytesRead = (long)fread((void*)&dbi, 1, nBytesToRead, pFile);
	if(nBytesRead != nBytesToRead) {
		printf("Error: did not read %d bytes...only read % bytes\n", nBytesToRead, nBytesRead);
		return -1;
	}
	return (int)dbi.bpp;
}

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Build Log
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<h3>Build started: Project: test222, Configuration: Debug|Win32</h3>
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Command Lines
</font></table><table width=* cellspacing=0 cellpadding=0><tr><td width=0 bgcolor=#EDEDF5>&nbsp;</td><td width=0 bgcolor=#FFFFFF>&nbsp;</td><td width=*><pre>Creating temporary file "f:\LXY\test222\test222\Debug\RSP00000112883860.rsp" with contents
[
/Od /D &quot;WIN32&quot; /D &quot;_DEBUG&quot; /D &quot;_CONSOLE&quot; /D &quot;_UNICODE&quot; /D &quot;UNICODE&quot; /Gm /EHsc /RTC1 /MDd /Fo&quot;Debug\\&quot; /Fd&quot;Debug\vc90.pdb&quot; /W3 /c /ZI /TC .\test222.c
]
Creating command line "cl.exe @f:\LXY\test222\test222\Debug\RSP00000112883860.rsp /nologo /errorReport:prompt"
Creating temporary file "f:\LXY\test222\test222\Debug\RSP00000212883860.rsp" with contents
[
/OUT:&quot;F:\LXY\test222\Debug\test222.exe&quot; /INCREMENTAL /MANIFEST /MANIFESTFILE:&quot;Debug\test222.exe.intermediate.manifest&quot; /MANIFESTUAC:&quot;level='asInvoker' uiAccess='false'&quot; /DEBUG /PDB:&quot;f:\LXY\test222\Debug\test222.pdb&quot; /SUBSYSTEM:CONSOLE /DYNAMICBASE /NXCOMPAT /MACHINE:X86 PortabilityLayer.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib

&quot;.\Debug\stdafx.obj&quot;

&quot;.\Debug\test222.obj&quot;

&quot;.\Debug\test222.exe.embed.manifest.res&quot;
]
Creating command line "link.exe @f:\LXY\test222\test222\Debug\RSP00000212883860.rsp /NOLOGO /ERRORREPORT:PROMPT"
Creating temporary file "f:\LXY\test222\test222\Debug\RSP00000312883860.rsp" with contents
[
/out:.\Debug\test222.exe.embed.manifest /notify_update /manifest

.\Debug\test222.exe.intermediate.manifest
]
Creating command line "mt.exe @f:\LXY\test222\test222\Debug\RSP00000312883860.rsp /nologo"
Creating temporary file "f:\LXY\test222\test222\Debug\BAT00000412883860.bat" with contents
[
@echo Manifest resource last updated at %TIME% on %DATE% &gt; .\Debug\mt.dep
]
Creating command line "f:\LXY\test222\test222\Debug\BAT00000412883860.bat"
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Output Window
</font></table><table width=* cellspacing=0 cellpadding=0><tr><td width=0 bgcolor=#EDEDF5>&nbsp;</td><td width=0 bgcolor=#FFFFFF>&nbsp;</td><td width=*><pre>Compiling...
test222.c
f:\lxy\test222\test222\test222.c(51) : warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
        d:\program files\microsoft visual studio 9.0\vc\include\string.h(74) : see declaration of 'strcpy'
f:\lxy\test222\test222\test222.c(52) : warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
        d:\program files\microsoft visual studio 9.0\vc\include\string.h(74) : see declaration of 'strcpy'
f:\lxy\test222\test222\test222.c(53) : warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
        d:\program files\microsoft visual studio 9.0\vc\include\string.h(74) : see declaration of 'strcpy'
f:\lxy\test222\test222\test222.c(54) : warning C4996: 'strcpy': This function or variable may be unsafe. Consider using strcpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
        d:\program files\microsoft visual studio 9.0\vc\include\string.h(74) : see declaration of 'strcpy'
f:\lxy\test222\test222\test222.c(36) : warning C4101: 'intensityPerCent' : unreferenced local variable
f:\lxy\test222\test222\test222.c(37) : warning C4101: 'j' : unreferenced local variable
f:\lxy\test222\test222\test222.c(121) : warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
        d:\program files\microsoft visual studio 9.0\vc\include\stdio.h(237) : see declaration of 'fopen'
Linking...
Embedding manifest...
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Results
</font></table><table width=* cellspacing=0 cellpadding=0><tr><td width=0 bgcolor=#EDEDF5>&nbsp;</td><td width=0 bgcolor=#FFFFFF>&nbsp;</td><td width=*><pre>Build log was saved at "file://f:\LXY\test222\test222\Debug\BuildLog.htm"
test222 - 0 error(s), 7 warning(s)
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