From 10471dd7f3abae872c06ebf7d50329543d005c6e Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Tue, 4 Apr 2017 11:01:57 +0200
Subject: [PATCH] Sleep also triggers USB subsystem standly

Requires SAMD core >= 1.6.14
---
 src/ArduinoLowPower.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ArduinoLowPower.cpp b/src/ArduinoLowPower.cpp
index 0859de6..466d763 100644
--- a/src/ArduinoLowPower.cpp
+++ b/src/ArduinoLowPower.cpp
@@ -14,6 +14,7 @@ void ArduinoLowPowerClass::idle(uint32_t millis) {
 }
 
 void ArduinoLowPowerClass::sleep() {
+	USBDevice.standby();
 	SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
 	__DSB();
 	__WFI();