3 files changed, 8 insertions, 14 deletions
diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h
index 479ced9..701a14f 100644
--- a/cores/arduino/USBAPI.h
+++ b/cores/arduino/USBAPI.h
@@ -65,6 +65,8 @@ public:
 	void detach();	// Serial port goes down too...
 	void poll();
 	bool wakeupHost(); // returns false, when wakeup cannot be processed
+
+	bool isSuspended();
 };
 extern USBDevice_ USBDevice;
 
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp
index 81f689d..c0a4c7c 100644
--- a/cores/arduino/USBCore.cpp
+++ b/cores/arduino/USBCore.cpp
@@ -855,4 +855,10 @@ bool USBDevice_::wakeupHost()
 	return false;
 }
 
+bool USBDevice_::isSuspended()
+{
+	return (_usbSuspendState & (1 << SUSPI));
+}
+
+
 #endif /* if defined(USBCON) */
diff --git a/cores/arduino/WInterrupts.c b/cores/arduino/WInterrupts.c
index cef1106..ac72dda 100644
--- a/cores/arduino/WInterrupts.c
+++ b/cores/arduino/WInterrupts.c
@@ -65,7 +65,6 @@ static volatile voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS] = {
     nothing,
 #endif
 };
-// volatile static voidFuncPtr twiIntFunc;
 
 void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
   if(interruptNum < EXTERNAL_NUM_INTERRUPTS) {
@@ -274,11 +273,6 @@ void detachInterrupt(uint8_t interruptNum) {
   }
 }
 
-/*
-void attachInterruptTwi(void (*userFunc)(void) ) {
-  twiIntFunc = userFunc;
-}
-*/
 
 #define IMPLEMENT_ISR(vect, interrupt) \
   ISR(vect) { \
@@ -314,11 +308,3 @@ IMPLEMENT_ISR(INT2_vect, EXTERNAL_INT_2)
 #endif
 
 #endif
-
-/*
-ISR(TWI_vect) {
-  if(twiIntFunc)
-    twiIntFunc();
-}
-*/
-