Code Description
A004h File FILENAME is not found
A005h FILENAME is a directory
A006h File is just open
A007h Memory card is write protected
A010h File error FILENAME
A100h General file system error (e.g. no memory card plugged)
16.3.3 FC/SFC 208 - FILE_OPN - Open file
You may open a file on the memory card with FC/SFC 208. Here a HANDLE is connected
to a FILENAME. By using the HANDLE you now have read and write access to the file
until you close the file again with the FC/SFC 210 FILE_CLO. REQ = 1 initializes the
function. After the opening the read/write flag is at 0.
Parameters
Parameter Declaration Data type Description
REQ IN BOOL Activate function
MEDIA IN INT 0 = MMC
FILENAME IN STRING[254] Name of file (must be in 8.3 format)
HANDLE IN INT Index of file 0 ... 3
RETVAL OUT WORD Return value (0 = OK)
BUSY OUT BOOL Function is busy
Codes that are returned by RETVAL:
Code Description
0000h OK
7000h REQ = 0, BUSY = 0 (nothing present)
7001h REQ = 1, 1. call
7002h Block is executed
8010h Parameter FILENAME is not present (e.g. DB not loaded).
Description
RETVAL (Return value)
VIPA SPEED7
System Blocks
File Functions SPEED7 CPUs > FC/SFC 208 - FILE_OPN - Open file
HB00 | OPL_SP7 | Operation list | en | 18-30 912
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