Only check bit 0 of __get_PRIMASK() value

sandeepmistry · sandeepmistry · commit 7ea1a73a8e9d · 2016-01-14T12:21:59.000-05:00
diff --git a/cores/arduino/USB/CDC.cpp b/cores/arduino/USB/CDC.cpp
@@ -298,7 +298,7 @@ Serial_::operator bool()
 }
 
 int32_t Serial_::readBreak() {
-	uint8_t enableInterrupts = (__get_PRIMASK() == 0);
+	uint8_t enableInterrupts = ((__get_PRIMASK() & 0x1) == 0);
 
 	// disable interrupts,
 	// to avoid clearing a breakValue that might occur 

Original file line number	Diff line number	Diff line change
`@@ -298,7 +298,7 @@ Serial_::operator bool()`
`298`	`298`	`}`
`299`	`299`
`300`	`300`	`int32_t Serial_::readBreak() {`
`301`		`- uint8_t enableInterrupts = (__get_PRIMASK() == 0);`
	`301`	`+ uint8_t enableInterrupts = ((__get_PRIMASK() & 0x1) == 0);`
`302`	`302`
`303`	`303`	`// disable interrupts,`
`304`	`304`	`// to avoid clearing a breakValue that might occur`