Single point information with quality and optional timestamp (M_SP_NA_1, M_SP_TA_1, M_SP_TB_1).
Summary
Types
@type t() :: %IEC60870.IO.Monitoring.SinglePointInformation{ ioa: non_neg_integer(), quality: byte(), timestamp: nil | IEC60870.Types.CPTime.CP24Time2a.t() | IEC60870.Types.CPTime.CP56Time2a.t(), value: boolean() }