From 45bead4f38bdd9771b7a29df551121b5a8bbe00b Mon Sep 17 00:00:00 2001
From: Piv <18462828+Piv200@users.noreply.github.com>
Date: Thu, 9 Jul 2020 20:23:59 +0930
Subject: [PATCH] Fixing Serial Protocol

---
 Sources/SwiftRPLidar/LidarSerial.swift | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Sources/SwiftRPLidar/LidarSerial.swift b/Sources/SwiftRPLidar/LidarSerial.swift
index 1aa44b3..3fc9d57 100644
--- a/Sources/SwiftRPLidar/LidarSerial.swift
+++ b/Sources/SwiftRPLidar/LidarSerial.swift
@@ -3,8 +3,8 @@ import Foundation
 public protocol LidarSerial {
     var dtr: Bool {get set};
     var inWaiting: Int {get};
-    func closePort() -> Void;
-    func openPort() -> Void;
+    func closePort();
+    func openPort() throws;
     func readData(ofLength: Int) throws -> Data;
-    func writeData(_ data: Data) throws -> Void;
+    func writeData(_ data: Data) throws -> Int;
 }