PR-2501/scanner_script
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interference_freq is now a separate state variable

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Gertjan 2026-03-12 23:05:06 +01:00
parent 0744c060f1
commit 8086e3298e
1 changed files with 7 additions and 6 deletions
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13
scanner.py
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@ -17,6 +17,8 @@ state = {
"freq": 10000.0, "freq": 10000.0,
"freq_step_multiply": 0.85, "freq_step_multiply": 0.85,
"stop_freq": 0.1, "stop_freq": 0.1,
"interference_freq": 0.052,
"interference_bandwidth": 0.008,
"initializing": 1, "initializing": 1,
"noise_scan": False "noise_scan": False
} }
@ -247,18 +249,15 @@ class TelnetReader:
freq_multiplier = state["freq_step_multiply"] ** 2 # skip 1/2 steps to speed up freq_multiplier = state["freq_step_multiply"] ** 2 # skip 1/2 steps to speed up
else: else:
freq_multiplier = state["freq_step_multiply"] ** 4 # skip 3/4 steps to speed up freq_multiplier = state["freq_step_multiply"] ** 4 # skip 3/4 steps to speed up
if state["noise_scan"]==True: state["freq"] *= freq_multiplier
state["freq"] *= freq_multiplier ** 2 # noise scans step twice as quickly
else:
state["freq"] *= freq_multiplier
if (state["freq"]>40) and (state["freq"]<660) and ((state["freq"]%50<2.5) or (-state["freq"]%50<2.5)): if (state["freq"]>40) and (state["freq"]<660) and ((state["freq"]%50<2.5) or (-state["freq"]%50<2.5)):
state["freq"] *= freq_multiplier # if near a 50Hz harmonic, skip to the next frequency state["freq"] *= freq_multiplier # if near a 50Hz harmonic, skip to the next frequency
while (state["freq"]<0.6) and ((state["freq"]%0.053<0.008) or (-state["freq"]%0.053<0.008)): while (state["freq"]<0.6) and ((state["freq"]%state["interference_freq"]<state["interference_bandwidth"]) or (-state["freq"]<state["interference_freq"]<state["interference_bandwidth"])):
state["freq"] *= freq_multiplier # if near a 0.052Hz harmonic, skip to the next frequency state["freq"] *= freq_multiplier # if near a 0.052Hz harmonic, skip to the next frequency
if state["freq"] <= state["stop_freq"]: if state["freq"] <= state["stop_freq"]:
print("Reached stop frequency") print("Reached stop frequency")
else: else:
if state["freq"] > 1: if state["freq"] > 0.01:
response = f"\rf{state["freq"]:.1f}\r" # new freq response = f"\rf{state["freq"]:.1f}\r" # new freq
else: else:
response = f"\rf{state["freq"]:.3f}\r" # new freq response = f"\rf{state["freq"]:.3f}\r" # new freq
@ -300,6 +299,8 @@ if __name__ == "__main__":
state["freq_step_multiply"] = 0.95; state["freq_step_multiply"] = 0.95;
state["stop_freq"] = 0.1; state["stop_freq"] = 0.1;
state["initializing"] = 1; state["initializing"] = 1;
state["interference_freq"] = 0.052;
state["interference_bandwidth"] = 0.008
reader.read_loop() reader.read_loop()
finally: finally:
reader.disconnect() reader.disconnect()