From 9ac7e30252fce5b9dafde3288519b020b73c37bd Mon Sep 17 00:00:00 2001
From: Embedded Micro <support@embeddedmicro.com>
Date: Tue, 10 Jun 2014 08:48:23 -0700
Subject: [PATCH] Update USBAPI.h

Fixes bug where Serial.read() would always return 0 as the first byte.
---
 hardware/arduino/cores/arduino/USBAPI.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hardware/arduino/cores/arduino/USBAPI.h b/hardware/arduino/cores/arduino/USBAPI.h
index d506b585f..753bc6b20 100644
--- a/hardware/arduino/cores/arduino/USBAPI.h
+++ b/hardware/arduino/cores/arduino/USBAPI.h
@@ -28,7 +28,7 @@ extern USBDevice_ USBDevice;
 class Serial_ : public Stream
 {
 private:
-	int peek_buffer;
+	int peek_buffer = -1;
 public:
 	void begin(unsigned long);
 	void begin(unsigned long, uint8_t);