NextLine (FB)ΒΆ
FUNCTION_BLOCK NextLine EXTENDS CBM.ETrig
Reads the next line of a CSV file.
- InOut:
Scope
Name
Type
Initial
Comment
Inherited from
Input
xExecute
BOOL
Rising edge: Action startsFalling edge: Resets outputsIf a falling edge occurs before the function block has completed its action, the outputs operate in the usual manner and are only reset if either the action is completed or in the event of an error. In this case, the corresponding output values (xDone
,xError
) are present at the outputs for exactly one cycle.ETrig
Output
xDone
BOOL
TRUE
: Action successfully completedETrig
xBusy
BOOL
TRUE
: Function block activeETrig
xError
BOOL
TRUE
: Error occurred, function block aborts actionFALSE
: No errorETrig
Input
udiMaxLineLength
UDINT
255
Max length of a line
xReset
BOOL
Reset the read position to the first element
psLine
POINTER TO STRING
Pointer the result string
Inout
csvReaderInit
The initialization of CSV reader
Output
eError
Error code
xHasNextLine
BOOL
True, if the reader has more lines.