From 889623a83b0cf3ed7d132645dde2665bb61910b0 Mon Sep 17 00:00:00 2001
From: Nico <nico-2006@web.de>
Date: Sat, 17 Jan 2015 11:01:34 +0100
Subject: [PATCH] Improved USB-Serial

Now the buffer can even shrink down to 2 bytes. Not sure why 1 bytes
gives problems. Also a buffer with USB_EP_SIZE is now also possible.
---
 Readme.md                                   | 1 +
 examples/Projects/USB-Serial/USB-Serial.ino | 3 +--
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Readme.md b/Readme.md
index 95a7019..ca00482 100644
--- a/Readme.md
+++ b/Readme.md
@@ -314,6 +314,7 @@ Version History
 * USB-Serial now fully reprogrammable
 * Easy USB-Core selection via Tools->USB-Core
 * Added Arduino as ISP fix for 32u4 (u2 Series doesn't work at the moment)
+* Updated USB-Serial
 
 2.0 Release (29.11.2014)
 * Added HoodLoader2
diff --git a/examples/Projects/USB-Serial/USB-Serial.ino b/examples/Projects/USB-Serial/USB-Serial.ino
index 5d8ac8c..1c9e7eb 100644
--- a/examples/Projects/USB-Serial/USB-Serial.ino
+++ b/examples/Projects/USB-Serial/USB-Serial.ino
@@ -33,11 +33,10 @@ void loop() {
 
   // Serial -> USB
   if (Serial1.available()) {
-    Serial.flush();
     // send maximum one EP_SIZE to give the usb some time to flush the buffer
     uint8_t buff[USB_EP_SIZE - 1];
     int i = 0;
-    for (i = 0; i < USB_EP_SIZE - 1; i++) {
+    for (i = 0; i < sizeof(buff); i++) {
       if (Serial1.available())
         buff[i] = Serial1.read();
       else break;