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fixed varience into code

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Chris Frankland-Wright 2025-06-24 21:50:57 +01:00
parent 0bb70e7966
commit 3726b96b86
1 changed files with 2 additions and 3 deletions
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5
ltc_probe.py
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@ -15,13 +15,12 @@ CHANNELS = 1
MIN_EDGES = 1000 # sanity threshold MIN_EDGES = 1000 # sanity threshold
def detect_rising_edges(signal): def detect_rising_edges(signal):
# signal: flattened 1D numpy array
above_zero = signal > 0 above_zero = signal > 0
edges = np.where(np.logical_and(~above_zero[:-1], above_zero[1:]))[0] edges = np.where(np.logical_and(~above_zero[:-1], above_zero[1:]))[0]
return edges return edges
def analyze_pulse_durations(edges, samplerate): def analyze_pulse_durations(edges, samplerate):
durations = np.diff(edges) / samplerate # in seconds durations = np.diff(edges) / samplerate
if len(durations) == 0: if len(durations) == 0:
return None return None
@ -41,7 +40,7 @@ def analyze_pulse_durations(edges, samplerate):
def verdict(pulse_data): def verdict(pulse_data):
if pulse_data is None or pulse_data["count"] < MIN_EDGES: if pulse_data is None or pulse_data["count"] < MIN_EDGES:
return "❌ No signal or not enough pulses" return "❌ No signal or not enough pulses"
elif 30 < pulse_data["short_pct"] < 70: elif 20 <= pulse_data["short_pct"] <= 80:
return f"✅ LTC-like bi-phase signal detected ({pulse_data['count']} pulses)" return f"✅ LTC-like bi-phase signal detected ({pulse_data['count']} pulses)"
else: else:
return f"⚠️ Inconsistent signal — may be non-LTC or noisy" return f"⚠️ Inconsistent signal — may be non-LTC or noisy"