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morse: tune usb capture by cw tone offset

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Smittix
2026-02-26 18:16:43 +00:00
parent 24d1777e63
commit d6fe1123b4
1 changed files with 7 additions and 2 deletions
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routes/morse.py
+7 -2
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@@ -627,10 +627,11 @@ def start_morse() -> Response:
multimon_decoder_modes = _resolve_multimon_morse_modes(multimon_path) multimon_decoder_modes = _resolve_multimon_morse_modes(multimon_path)
def _build_rtl_cmd(device_index: int, direct_sampling_mode: int | None) -> list[str]: def _build_rtl_cmd(device_index: int, direct_sampling_mode: int | None) -> list[str]:
tuned_frequency_mhz = max(0.5, float(freq) - (float(tone_freq) / 1_000_000.0))
sdr_device = SDRFactory.create_default_device(sdr_type, index=device_index) sdr_device = SDRFactory.create_default_device(sdr_type, index=device_index)
fm_kwargs: dict[str, Any] = { fm_kwargs: dict[str, Any] = {
'device': sdr_device, 'device': sdr_device,
'frequency_mhz': freq, 'frequency_mhz': tuned_frequency_mhz,
'sample_rate': sample_rate, 'sample_rate': sample_rate,
'gain': float(gain) if gain and gain != '0' else None, 'gain': float(gain) if gain and gain != '0' else None,
'ppm': int(ppm) if ppm and ppm != '0' else None, 'ppm': int(ppm) if ppm and ppm != '0' else None,
@@ -651,6 +652,8 @@ def start_morse() -> Response:
runtime_config: dict[str, Any] = { runtime_config: dict[str, Any] = {
'sample_rate': sample_rate, 'sample_rate': sample_rate,
'rf_frequency_mhz': float(freq),
'tuned_frequency_mhz': max(0.5, float(freq) - (float(tone_freq) / 1_000_000.0)),
'tone_freq': tone_freq, 'tone_freq': tone_freq,
'wpm': wpm, 'wpm': wpm,
'bandwidth_hz': bandwidth_hz, 'bandwidth_hz': bandwidth_hz,
@@ -785,11 +788,13 @@ def start_morse() -> Response:
direct_mode_label = direct_sampling_mode if direct_sampling_mode is not None else 'none' direct_mode_label = direct_sampling_mode if direct_sampling_mode is not None else 'none'
full_cmd = ' '.join(rtl_cmd) + ' | ' + ' '.join(multimon_cmd) full_cmd = ' '.join(rtl_cmd) + ' | ' + ' '.join(multimon_cmd)
logger.info( logger.info(
'Morse decoder attempt decoder=%s device=%s (%s/%s) direct_mode=%s (%s/%s): %s', 'Morse decoder attempt decoder=%s device=%s (%s/%s) rf=%.6f tuned=%.6f direct_mode=%s (%s/%s): %s',
decoder_mode, decoder_mode,
active_device_index, active_device_index,
device_pos, device_pos,
len(candidate_device_indices), len(candidate_device_indices),
float(freq),
float(runtime_config.get('tuned_frequency_mhz', freq)),
direct_mode_label, direct_mode_label,
attempt_index, attempt_index,
len(direct_sampling_attempts), len(direct_sampling_attempts),