From 86ae8606771cf046978ec405beeecd9fd95eb071 Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Tue, 22 Nov 2016 12:10:25 +0100
Subject: [PATCH] Enlarge USB serialNumber buffer

---
 cores/arduino/USB/USBDesc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cores/arduino/USB/USBDesc.h b/cores/arduino/USB/USBDesc.h
index e4335aa9..6088ee08 100644
--- a/cores/arduino/USB/USBDesc.h
+++ b/cores/arduino/USB/USBDesc.h
@@ -41,7 +41,7 @@
 #define CDC_TX CDC_ENDPOINT_IN
 #endif
 
-#define ISERIAL_MAX_LEN        20
+#define ISERIAL_MAX_LEN        33
 
 // Defined string description
 #define IMANUFACTURER	1
-- 
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