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morse: replace multimon-ng with custom Goertzel decoder for live CW

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The multimon-ng MORSE_CW decoder never reliably decoded characters.
Switch live decode to use the existing morse_decoder_thread() which
wraps MorseDecoder with Goertzel tone detection, adaptive thresholds,
and proper timing estimation — eliminating multimon-ng, PTY plumbing,
and the relay thread from the CW pipeline entirely.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Smittix
2026-02-26 20:47:51 +00:00
parent d6fe1123b4
commit 2e1b9b27be
2 changed files with 198 additions and 699 deletions
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834
routes/morse.py
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File diff suppressed because it is too large Load Diff

63
tests/test_morse.py
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@@ -270,7 +270,6 @@ class TestMorseLifecycleRoutes:
monkeypatch.setattr(morse_routes.SDRFactory, 'create_default_device', staticmethod(lambda sdr_type, index: DummyDevice()))
monkeypatch.setattr(morse_routes.SDRFactory, 'get_builder', staticmethod(lambda sdr_type: DummyBuilder()))
monkeypatch.setattr(morse_routes.SDRFactory, 'detect_devices', staticmethod(lambda: []))
monkeypatch.setattr(morse_routes, 'get_tool_path', lambda _name: '/usr/bin/multimon-ng')
pcm = generate_morse_audio('E', wpm=15, sample_rate=22050)
@@ -293,27 +292,7 @@ class TestMorseLifecycleRoutes:
def kill(self):
self.returncode = -9
class FakeMultimonProc:
def __init__(self):
self.stdin = io.BytesIO()
self.returncode = None
def poll(self):
return self.returncode
def terminate(self):
self.returncode = 0
def wait(self, timeout=None):
self.returncode = 0
return 0
def kill(self):
self.returncode = -9
def fake_popen(cmd, *args, **kwargs):
if 'multimon' in str(cmd[0]):
return FakeMultimonProc()
return FakeRtlProc(pcm)
monkeypatch.setattr(morse_routes.subprocess, 'Popen', fake_popen)
@@ -375,7 +354,6 @@ class TestMorseLifecycleRoutes:
monkeypatch.setattr(morse_routes.SDRFactory, 'create_default_device', staticmethod(lambda sdr_type, index: DummyDevice()))
monkeypatch.setattr(morse_routes.SDRFactory, 'get_builder', staticmethod(lambda sdr_type: DummyBuilder()))
monkeypatch.setattr(morse_routes.SDRFactory, 'detect_devices', staticmethod(lambda: []))
monkeypatch.setattr(morse_routes, 'get_tool_path', lambda _name: '/usr/bin/multimon-ng')
pcm = generate_morse_audio('E', wpm=15, sample_rate=22050)
rtl_cmds = []
@@ -399,27 +377,7 @@ class TestMorseLifecycleRoutes:
def kill(self):
self.returncode = -9
class FakeMultimonProc:
def __init__(self):
self.stdin = io.BytesIO()
self.returncode = None
def poll(self):
return self.returncode
def terminate(self):
self.returncode = 0
def wait(self, timeout=None):
self.returncode = 0
return 0
def kill(self):
self.returncode = -9
def fake_popen(cmd, *args, **kwargs):
if 'multimon' in str(cmd[0]):
return FakeMultimonProc()
rtl_cmds.append(cmd)
if len(rtl_cmds) == 1:
return FakeRtlProc(b'', 1)
@@ -465,7 +423,6 @@ class TestMorseLifecycleRoutes:
monkeypatch.setattr(app_module, 'claim_sdr_device', lambda idx, mode: None)
monkeypatch.setattr(app_module, 'release_sdr_device', lambda idx: released_devices.append(idx))
monkeypatch.setattr(morse_routes, 'get_tool_path', lambda _name: '/usr/bin/multimon-ng')
class DummyDevice:
def __init__(self, index: int):
@@ -520,27 +477,7 @@ class TestMorseLifecycleRoutes:
def kill(self):
self.returncode = -9
class FakeMultimonProc:
def __init__(self):
self.stdin = io.BytesIO()
self.returncode = None
def poll(self):
return self.returncode
def terminate(self):
self.returncode = 0
def wait(self, timeout=None):
self.returncode = 0
return 0
def kill(self):
self.returncode = -9
def fake_popen(cmd, *args, **kwargs):
if 'multimon' in str(cmd[0]):
return FakeMultimonProc()
try:
dev = int(cmd[cmd.index('-d') + 1])
except Exception: