ICP DAS USA I-7188XA, Руководство пользователя

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I-7188XA Series User’s Manual ( Ver1.2, Feb/2014, 7MH-019-10 ) ---
132
Type 7: Files
Function Description
GetFileNo
Retrieves total number of files stored in the Flash
memory.
GetFileName Uses the file index to retrieve the file name.
GetFilePositionByNo Uses the file number to retrieve the file position.
GetFileInfoByNo
Uses the file number to retrieve the file
information.
GetFileInfoByName Uses the file name to retrieve the file information.
…More…
There are many other custom file functions
available. Please refer to the 7188xa.h header file
and the user manual on the enclosed CD, which
can be found at
CD:\Napdos\minios7\
document\lib_
manual_for_7188xabc\index.htm for more
detailed for more detailed information.
Note:
The file system for MiniOS7 supports custom programs for
reading files, but does not support custom programs for writing files.

GetFileNo()
Function: Gets the total number of files stored in the Flash memory.
Syntax:
int GetFileNo(void);
Header: #include ”7188xa.h”
Description: Returns the number of files.
Example: Please refer to “GetFilePositionByNo()” for more detailed
information.

GetFileName()
Function: Uses the file index to get the file name.
Syntax:
int GetFileName(int no,char *fname);
Header: #include ”7188xa.h”
Description: no: The file index (The first file is index 0).
fname: Buffer to store file name.
Return Value: On success, returns NoError, and stores the filename
to the fname.
On error, returns -1, and does not save any data to the
fname.