Crestron SIMPL+ Spécifications télécharger pdf (Page 45)

Crestron SIMPL+

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Software

DIGITAL_INPUT readCompactFlashCard;

DIGITAL_INPUT writeCompactFlashCard;

INTEGER myInt;

LONG_INTEGER myLongInt;

STRING myStr[50];

PUSH writeCompactFlashCard

{

SIGNED_INTEGER nFileHandle;

INTEGER nNumBytes;

StartFileOperations()

nFileHandle = FileOpen( "\\CF0\\MyFile.txt",

_O_WRONLY | _O_CREAT );

if( nFileHandle >= 0 )

{

nNumBytes = WriteInteger( nFileHandle, myInt );

nNumBytes = WriteLongInteger( nFileHandle, myLongInt );

nNumBytes = WriteString( nFileHandle, myStr );

FileClose( nFileHandle );

}

EndFileOperations();

}

PUSH readCompactFlashCard

{

SIGNED_INTEGER nFileHandle;

INTEGER nNumBytes;

StartFileOperations()

nFileHandle = FileOpen( "\\CF0\\MyFile.txt", _O_CREAT );

if( nFileHandle >= 0 )

{

nNumBytes = ReadInteger( nFileHandle, myInt );

nNumBytes = ReadLongInteger( nFileHandle, myLongInt );

nNumBytes = ReadString( nFileHandle, myStr );

FileClose( nFileHandle );

}

EndFileOperations();

}

The functions, ReadStructure and WriteStructure, automate the reading and writing

of the individual fields within the structure. These functions do not return the

number of bytes read or written. Instead, both functions have an additional argument

that will contain the number of bytes read or written after the function call executes.

The following example demonstrates this:

DIGITAL_INPUT readCompactFlashCard;

DIGITAL_INPUT writeCompactFlashCard;

STRUCTURE myStruct

{

INTEGER myInt;

LONG_INTEGER myLongInt;

STRING myStr[50];

Programming Guide – DOC. 5789A SIMPL+

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