[AVR][USB] fix IRQ flags clearing

facchinm · facchinm · commit 26d85b9d64fe · 2016-07-14T18:22:41.000+02:00
diff --git a/avr/cores/arduino/USBCore.cpp b/avr/cores/arduino/USBCore.cpp
@@ -733,7 +733,7 @@ static inline void USB_ClockEnable()
 ISR(USB_GEN_vect)
 {
 	u8 udint = UDINT;
-	UDINT = UDINT &= ~((1<<EORSTI) | (1<<SOFI)); // clear the IRQ flags for the IRQs which are handled here, except WAKEUPI and SUSPI (see below)
+	UDINT &= ~((1<<EORSTI) | (1<<SOFI)); // clear the IRQ flags for the IRQs which are handled here, except WAKEUPI and SUSPI (see below)
 
 	//	End of Reset
 	if (udint & (1<<EORSTI))

Original file line number	Diff line number	Diff line change
`@@ -733,7 +733,7 @@ static inline void USB_ClockEnable()`
`733`	`733`	`ISR(USB_GEN_vect)`
`734`	`734`	`{`
`735`	`735`	`u8 udint = UDINT;`
`736`		`- UDINT = UDINT &= ~((1<<EORSTI) \| (1<<SOFI)); // clear the IRQ flags for the IRQs which are handled here, except WAKEUPI and SUSPI (see below)`
	`736`	`+ UDINT &= ~((1<<EORSTI) \| (1<<SOFI)); // clear the IRQ flags for the IRQs which are handled here, except WAKEUPI and SUSPI (see below)`
`737`	`737`
`738`	`738`	`// End of Reset`
`739`	`739`	`if (udint & (1<<EORSTI))`