diff options
Diffstat (limited to 'lib/loader/energytrace.py')
| -rw-r--r-- | lib/loader/energytrace.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/loader/energytrace.py b/lib/loader/energytrace.py index 0ffaac7..0386b99 100644 --- a/lib/loader/energytrace.py +++ b/lib/loader/energytrace.py @@ -680,6 +680,15 @@ class EnergyTraceWithLogicAnalyzer(ExternalTimerSync): self.sync_data = self.sync_data[:x] break + # Each synchronization pulse consists of two LogicAnalyzer pulses, so four + # entries in time_stamp_data (rising edge, falling edge, rising edge, falling edge). + # If we have less then twelve entries, we observed no transitions and don't even have + # valid synchronization data. In this case, we bail out. + if len(self.sync_data) < 12: + raise RuntimeError( + f"LogicAnalyzer sync data has length {len(time_stamp_data)}, expected >= 12" + ) + self.online_timestamps = self.sync_data[2:3] + self.sync_data[4:-7] self.online_timestamps = ( np.array(self.online_timestamps) - self.online_timestamps[0] |