accLoggerRead (Functionblock)

This function will read the oldest value stored in the logger.

Input:

None.

Output:

X : DINT

Buffered x-axis reading.

Y : DINT

Buffered y-axis reading.

Z : DINT

Buffered z-axis reading.

Ready : BOOL

Has data been collected

Declaration:

FUNCTION_BLOCK accLoggerRead;
VAR_OUTPUT
  X     : DINT;
  Y     : DINT;
  Z     : DINT;
  Ready : BOOL;
END_VAR;

Example:

INCLUDE rtcu.inc
 
PROGRAM example;
VAR
  buf    : ARRAY [1..500] OF DINT;
  reader : accLoggerRead;
END_VAR;
accOpen();
accLoggerSetConfig(buffer := ADDR(buf), size := SIZEOF(buf));
accLoggerStart();
BEGIN
IF accLoggerLevel() > 800 THEN
    REPEAT
      reader();
      IF reader.ready THEN
         ...
      END_IF;
    UNTIL NOT reader.ready
    END_REPEAT;
 END_IF;
END;
END_PROGRAM;