diff options
Diffstat (limited to 'lib/dfatool.py')
| -rw-r--r-- | lib/dfatool.py | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/lib/dfatool.py b/lib/dfatool.py index cb1667c..382c2ce 100644 --- a/lib/dfatool.py +++ b/lib/dfatool.py @@ -381,8 +381,8 @@ def _preprocess_etlog(measurement): setup = measurement['setup'] etlog = EnergyTraceLog(float(setup['voltage']), int(setup['state_duration']), measurement['transition_names']) try: - timestamps, durations, mean_power = etlog.load_data(measurement['content']) - states_and_transitions = etlog.analyze_states(timestamps, durations, mean_power, measurement['expected_trace'], measurement['repeat_id']) + etlog.load_data(measurement['content']) + states_and_transitions = etlog.analyze_states(measurement['expected_trace'], measurement['repeat_id']) except EOFError as e: etlog.errors.append('EnergyTrace logfile error: {}'.format(e)) trigidx = list() @@ -2239,7 +2239,7 @@ class EnergyTraceLog: return self._ts_to_index(timestamp, mid_index, right_index) - def analyze_states(self, interval_start_timestamp, interval_duration, interval_power, traces, offline_index: int): + def analyze_states(self, traces, offline_index: int): u""" Split log data into states and transitions and return duration, energy, and mean power for each element. @@ -2264,7 +2264,7 @@ class EnergyTraceLog: * `uW_mean_delta_next`: Differenz zwischen uW_mean und uW_mean des Folgezustands """ - first_sync = self.find_first_sync(interval_start_timestamp, interval_power) + first_sync = self.find_first_sync() energy_trace = list() @@ -2280,7 +2280,7 @@ class EnergyTraceLog: next_barcode = first_sync for name, duration in expected_transitions: - bc, start, stop, end = self.find_barcode(interval_start_timestamp, interval_power, next_barcode) + bc, start, stop, end = self.find_barcode(next_barcode) if bc is None: print('[!!!] did not find transition "{}"'.format(name)) break @@ -2327,15 +2327,15 @@ class EnergyTraceLog: return energy_trace - def find_first_sync(self, interval_ts, interval_power): + def find_first_sync(self): # LED Power is approx. self.led_power W, use self.led_power/2 W above surrounding median as threshold - sync_threshold_power = np.median(interval_power[: int(3 * self.sample_rate)]) + self.led_power/3 - for i, ts in enumerate(interval_ts): - if ts > 2 and interval_power[i] > sync_threshold_power: - return interval_ts[i - 300] + sync_threshold_power = np.median(self.interval_power[: int(3 * self.sample_rate)]) + self.led_power/3 + for i, ts in enumerate(self.interval_start_timestamp): + if ts > 2 and self.interval_power[i] > sync_threshold_power: + return self.interval_start_timestamp[i - 300] return None - def find_barcode(self, interval_ts, interval_power, start_ts): + def find_barcode(self, start_ts): """ Return absolute position and content of the next barcode following `start_ts`. @@ -2344,7 +2344,7 @@ class EnergyTraceLog: :param start_ts: timestamp at which to start looking for a barcode [s] """ - for i, ts in enumerate(interval_ts): + for i, ts in enumerate(self.interval_start_timestamp): if ts >= start_ts: start_position = i break @@ -2354,7 +2354,7 @@ class EnergyTraceLog: # LED Power is approx. self.led_power W, use self.led_power/2 W above surrounding median as threshold - sync_threshold_power = np.median(interval_power[start_position - lookaround : start_position + lookaround]) + self.led_power/3 + sync_threshold_power = np.median(self.interval_power[start_position - lookaround : start_position + lookaround]) + self.led_power/3 vprint(self.verbose, 'looking for barcode starting at {:0.2f} s, threshold is {:0.1f} mW'.format(start_ts, sync_threshold_power * 1e3)) @@ -2362,16 +2362,16 @@ class EnergyTraceLog: sync_start_ts = None sync_area_end = None sync_end_ts = None - for i, ts in enumerate(interval_ts): - if sync_area_start is None and ts >= start_ts and interval_power[i] > sync_threshold_power: + for i, ts in enumerate(self.interval_start_timestamp): + if sync_area_start is None and ts >= start_ts and self.interval_power[i] > sync_threshold_power: sync_area_start = i - 300 sync_start_ts = ts - if sync_area_start is not None and sync_area_end is None and ts > sync_start_ts + self.min_barcode_duration and (ts > sync_start_ts + self.max_barcode_duration or abs(sync_threshold_power - interval_power[i]) > self.led_power): + if sync_area_start is not None and sync_area_end is None and ts > sync_start_ts + self.min_barcode_duration and (ts > sync_start_ts + self.max_barcode_duration or abs(sync_threshold_power - self.interval_power[i]) > self.led_power): sync_area_end = i sync_end_ts = ts break - barcode_data = interval_power[sync_area_start : sync_area_end] + barcode_data = self.interval_power[sync_area_start : sync_area_end] vprint(self.verbose, 'barcode search area: {:0.2f} .. {:0.2f} seconds ({} samples)'.format(sync_start_ts, sync_end_ts, len(barcode_data))) @@ -2380,8 +2380,8 @@ class EnergyTraceLog: if bc is None: return None, None, None, None - start_ts = interval_ts[sync_area_start + start] - stop_ts = interval_ts[sync_area_start + stop] + start_ts = self.interval_start_timestamp[sync_area_start + start] + stop_ts = self.interval_start_timestamp[sync_area_start + stop] end_ts = stop_ts + self.module_duration * padding_bits + self.quiet_zone_duration |