FileSys.lib is meant to be used with CANopenODSave library.

Don't use it independently.

Maximum size for the file name is 12 bytes.

Always adjust block size to correspond with available RAM resources.

If there is a keyword error, the file system is always formatted and all data is lost.

All library internal functions are set INTERNAL in CODESYS 3.5. They are not shown in library manager.

POU

Description

FileSysCutToCurr (FUN)

Cuts file length to current position.

FileSysDeleteFile (FUN)

Deletes given file.

FileSysInit (PRG)

Initializes RAM file system.

FileSysOpen (FUN)

Opens existing file or creates new one.

FileSysRead (FUN)

Reads defined amount of data from file.

FileSysSeek (FUN)

Sets current position of file.

FileSysWrite (FUN)

Writes given number of given elements to file.

POU

Description

FileSysCheckDir (FUN)

Checks that directory, FAT and blocks are correct and corresponds each others.

FileSysFindFreeBlock (FUN)

Finds free block from file system.

FileSysFormat(FUN)

Formats file system.

FileSysGetFatEntryByNum (FUN)

Returns FAT entry of the given file number.

FileSysGetFreeSpace (FUN)

Returns free space for file system entry of the given file number.

FileSysGetNbrFreeBlocks (FUN)

Returns FAT entry of the given file number.

FileSysMEMCPY (FUN)

Copies data from source location to destination.

FileSysMEMSET (FUN)

Sets wanted number of bytes to defined value, starting from destination address..