- # Get the smallest distance between two transitions
- # and use that to calculate the bitrate/baudrate.
- if self.first_transition:
- self.ss_edge = self.samplenum
- self.first_transition = False
- else:
- b = self.samplenum - self.ss_edge
- if self.bitwidth is None or b < self.bitwidth:
- self.bitwidth = b
- bitrate = int(float(self.samplerate) / float(b))
- self.putx([0, ['%d' % bitrate]])
- self.ss_edge = self.samplenum
+ # Get any subsequent edge on the data line. Get the smallest
+ # distance between any two transitions, assuming it corresponds
+ # to one bit time of the respective bitrate of the input stream.
+ # This heuristics keeps getting better for longer captures.
+ bitwidth = None
+ while True:
+ self.wait({0: 'e'})