IAC500DiagGet.DiagGetFirstValAndTxt (METH)

METHOD DiagGetFirstValAndTxt : AC500_DiagTypes.ERROR_ID

Get first (oldest) diagnosis regarding device, numeric and textual

InOut:

Scope	Name	Type	Comment
Return	DiagGetFirstValAndTxt	AC500_DiagTypes.ERROR_ID
Inout	DataVal	AC500_DiagTypes.DIAG_VAL_TYPE	variable to write data to
	DataTxt	AC500_DiagTypes.DIAG_TXT_TYPE	variable to write text to