From f9981b1ceca99f34ee8f38f9efd5306eda19c657 Mon Sep 17 00:00:00 2001
From: AleyRobotics <Ysoft@mail.ru>
Date: Sun, 25 Dec 2016 22:13:28 +0300
Subject: [PATCH] Read byte function add

Read UInt8 from port
---
 Sources/SwiftSerial.swift | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/Sources/SwiftSerial.swift b/Sources/SwiftSerial.swift
index 2236f05..204b88b 100644
--- a/Sources/SwiftSerial.swift
+++ b/Sources/SwiftSerial.swift
@@ -461,7 +461,23 @@ extension SerialPort {
                 return character     
             }
         }         
-
+    }
+    
+    public func readByte() throws -> UInt8 {
+        let buffer = UnsafeMutablePointer<UInt8>.allocate(capacity: 1)
+        
+        defer {
+            buffer.deallocate(capacity: 1)
+        }
+        
+        while true {
+            let bytesRead = try readBytes(into: buffer, size: 1)
+            
+            if bytesRead > 0 {
+                let character = UInt8(buffer[0])
+                return character
+            }
+        }
     }
 
 }