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