fsMediaPresent (Function)

Architecture:	X32 / NX32 / NX32L
Firmware version:	1.00 / 1.00.00

This queries if the media is inserted (present) in the RTCU device.

Input:

media : INT (0..3)

The media to query.

Returns: BOOL

TRUE:	Media is present.
FALSE:	Media is not present.

Declaration:

FUNCTION fsMediaPresent : BOOL;
VAR_INPUT
media : INT;
END_VAR;

Example:

INCLUDE rtcu.inc

PROGRAM FileExample;
VAR
   mediaPresent : BOOL;
   rc           : INT;
END_VAR;

fsMediaOpen(media := 0);

BEGIN
   // Update media status
   IF mediaPresent <> fsMediaPresent(media := 0) THEN
      IF fsMediaPresent(media := 0) THEN
         IF fsMediaWriteProtected(media := 0) THEN
            DebugMsg(message := "Media present, media write protected!");
         END_IF;
         // Open files
         ...
      ELSE
         DebugMsg(message := "Media has been removed!");
      END_IF;
      // Save current status
      mediaPresent := fsMediaPresent(media := 0);
   END_IF;
   ...
END;

END_PROGRAM;