- assert self.type == LOCK, "the boolean output of FrontendInfo can only be used for lock info"
- return self.source.lock
+ assert self.type in [self.LOCK, self.BER], "the boolean output of FrontendInfo can only be used for lock or BER info"
+ if self.type == self.LOCK:
+ return self.source.lock
+ else:
+ return self.source.ber > 0