From afd126f96aa114ad9185233bfda9125303b790ee Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Fri, 5 Jun 2015 17:51:44 +0200
Subject: [PATCH] add weak setupUSB() hook

override this function to insert additional USB endpoints
---
 cores/arduino/main.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cores/arduino/main.cpp b/cores/arduino/main.cpp
index 72074de..f4346ec 100644
--- a/cores/arduino/main.cpp
+++ b/cores/arduino/main.cpp
@@ -27,6 +27,9 @@ int atexit(void (* /*func*/ )()) { return 0; }
 void initVariant() __attribute__((weak));
 void initVariant() { }
 
+void setupUSB() __attribute__((weak));
+void setupUSB() { }
+
 int main(void)
 {
 	init();
@@ -34,6 +37,7 @@ int main(void)
 	initVariant();
 
 #if defined(USBCON)
+	setupUSB();
 	USBDevice.attach();
 #endif