readAttributeRxErrFcsCount(completion:)
Declaration
func readAttributeRxErrFcsCount(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeRxErrFcsCount() async throws -> NSNumberfunc readAttributeRxErrFcsCount(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeRxErrFcsCount() async throws -> NSNumber