implemented new binary mode (--logscale): 2 32-bit values: avg_1, avg_2. Also implemented log-detector mode: avg_1,2 are processed as lg(signal_power) in def _log_pair_to_sweep. Tuning variables: LOG_BASE, LOG_SCALER, LOG_POSTSCALER.

This commit is contained in:
2026-03-03 19:50:44 +03:00
parent f4a3e6546a
commit 1e098ffa89

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@ -33,13 +33,18 @@ import numpy as np
WF_WIDTH = 1000 # максимальное число точек в ряду водопада WF_WIDTH = 1000 # максимальное число точек в ряду водопада
FFT_LEN = 1024 # длина БПФ для спектра/водопада спектров FFT_LEN = 1024 # длина БПФ для спектра/водопада спектров
LOG_BASE = 10.0
LOG_SCALER = 0.001 # int32 значения приходят в fixed-point лог-шкале с шагом 1e-3
LOG_POSTSCALER = 1000
LOG_EXP_LIMIT = 300.0 # запас до переполнения float64 при возведении LOG_BASE в степень
# Порог для инверсии сырых данных: если среднее значение свипа ниже порога — # Порог для инверсии сырых данных: если среднее значение свипа ниже порога —
# считаем, что сигнал «меньше нуля» и домножаем свип на -1 # считаем, что сигнал «меньше нуля» и домножаем свип на -1
DATA_INVERSION_THRASHOLD = 10.0 DATA_INVERSION_THRASHOLD = 10.0
Number = Union[int, float] Number = Union[int, float]
SweepInfo = Dict[str, Any] SweepInfo = Dict[str, Any]
SweepPacket = Tuple[np.ndarray, SweepInfo] SweepAuxCurves = Optional[Tuple[np.ndarray, np.ndarray]]
SweepPacket = Tuple[np.ndarray, SweepInfo, SweepAuxCurves]
def _format_status_kv(data: Mapping[str, Any]) -> str: def _format_status_kv(data: Mapping[str, Any]) -> str:
@ -85,6 +90,44 @@ def _parse_spec_clip(spec: Optional[str]) -> Optional[Tuple[float, float]]:
return None return None
def _log_value_to_linear(value: int) -> float:
"""Преобразовать fixed-point логарифмическое значение в линейную шкалу."""
exponent = max(-LOG_EXP_LIMIT, min(LOG_EXP_LIMIT, float(value) * LOG_SCALER))
return float(LOG_BASE ** exponent)
def _log_pair_to_sweep(avg_1: int, avg_2: int) -> float:
"""Разность двух логарифмических усреднений в линейной шкале."""
return (_log_value_to_linear(avg_1) - _log_value_to_linear(avg_2))*LOG_POSTSCALER
def _compute_auto_ylim(*series_list: Optional[np.ndarray]) -> Optional[Tuple[float, float]]:
"""Общий Y-диапазон по всем переданным кривым с небольшим запасом."""
y_min: Optional[float] = None
y_max: Optional[float] = None
for series in series_list:
if series is None:
continue
arr = np.asarray(series)
if arr.size == 0:
continue
finite = arr[np.isfinite(arr)]
if finite.size == 0:
continue
cur_min = float(np.min(finite))
cur_max = float(np.max(finite))
y_min = cur_min if y_min is None else min(y_min, cur_min)
y_max = cur_max if y_max is None else max(y_max, cur_max)
if y_min is None or y_max is None:
return None
if y_min == y_max:
pad = max(1.0, abs(y_min) * 0.05)
else:
pad = 0.05 * (y_max - y_min)
return (y_min - pad, y_max + pad)
def _normalize_sweep_simple(raw: np.ndarray, calib: np.ndarray) -> np.ndarray: def _normalize_sweep_simple(raw: np.ndarray, calib: np.ndarray) -> np.ndarray:
"""Простая нормировка: поэлементное деление raw/calib.""" """Простая нормировка: поэлементное деление raw/calib."""
w = min(raw.size, calib.size) w = min(raw.size, calib.size)
@ -385,6 +428,7 @@ class SweepReader(threading.Thread):
stop_event: threading.Event, stop_event: threading.Event,
fancy: bool = False, fancy: bool = False,
bin_mode: bool = False, bin_mode: bool = False,
logscale: bool = False,
): ):
super().__init__(daemon=True) super().__init__(daemon=True)
self._port_path = port_path self._port_path = port_path
@ -394,6 +438,7 @@ class SweepReader(threading.Thread):
self._src: Optional[SerialLineSource] = None self._src: Optional[SerialLineSource] = None
self._fancy = bool(fancy) self._fancy = bool(fancy)
self._bin_mode = bool(bin_mode) self._bin_mode = bool(bin_mode)
self._logscale = bool(logscale)
self._max_width: int = 0 self._max_width: int = 0
self._sweep_idx: int = 0 self._sweep_idx: int = 0
self._last_sweep_ts: Optional[float] = None self._last_sweep_ts: Optional[float] = None
@ -404,7 +449,14 @@ class SweepReader(threading.Thread):
"""Преобразование 32-bit слова в знаковое значение.""" """Преобразование 32-bit слова в знаковое значение."""
return v - 0x1_0000_0000 if (v & 0x8000_0000) else v return v - 0x1_0000_0000 if (v & 0x8000_0000) else v
def _finalize_current(self, xs, ys, channels: Optional[set[int]]): def _finalize_current(
self,
xs,
ys,
channels: Optional[set[int]],
raw_curves: Optional[Tuple[list[int], list[int]]] = None,
apply_inversion: bool = True,
):
if not xs: if not xs:
return return
ch_list = sorted(channels) if channels else [0] ch_list = sorted(channels) if channels else [0]
@ -413,17 +465,43 @@ class SweepReader(threading.Thread):
width = max_x + 1 width = max_x + 1
self._max_width = max(self._max_width, width) self._max_width = max(self._max_width, width)
target_width = self._max_width if self._fancy else width target_width = self._max_width if self._fancy else width
def _scatter(values, dtype) -> np.ndarray:
series = np.full((target_width,), np.nan, dtype=dtype)
try:
idx = np.asarray(xs, dtype=np.int64)
vals = np.asarray(values, dtype=dtype)
series[idx] = vals
except Exception:
for x, y in zip(xs, values):
if 0 <= x < target_width:
series[x] = y
return series
def _fill_missing(series: np.ndarray):
known = ~np.isnan(series)
if not np.any(known):
return
known_idx = np.nonzero(known)[0]
for i0, i1 in zip(known_idx[:-1], known_idx[1:]):
if i1 - i0 > 1:
avg = (series[i0] + series[i1]) * 0.5
series[i0 + 1 : i1] = avg
first_idx = int(known_idx[0])
last_idx = int(known_idx[-1])
if first_idx > 0:
series[:first_idx] = series[first_idx]
if last_idx < series.size - 1:
series[last_idx + 1 :] = series[last_idx]
# Быстрый векторизованный путь # Быстрый векторизованный путь
sweep = np.full((target_width,), np.nan, dtype=np.float32) sweep = _scatter(ys, np.float32)
try: aux_curves: SweepAuxCurves = None
idx = np.asarray(xs, dtype=np.int64) if raw_curves is not None:
vals = np.asarray(ys, dtype=np.float32) aux_curves = (
sweep[idx] = vals _scatter(raw_curves[0], np.float32),
except Exception: _scatter(raw_curves[1], np.float32),
# Запасной путь )
for x, y in zip(xs, ys):
if 0 <= x < target_width:
sweep[x] = float(y)
# Метрики валидных точек до заполнения пропусков # Метрики валидных точек до заполнения пропусков
finite_pre = np.isfinite(sweep) finite_pre = np.isfinite(sweep)
n_valid_cur = int(np.count_nonzero(finite_pre)) n_valid_cur = int(np.count_nonzero(finite_pre))
@ -431,31 +509,21 @@ class SweepReader(threading.Thread):
# Дополнительная обработка пропусков: при --fancy заполняем внутренние разрывы, края и дотягиваем до максимальной длины # Дополнительная обработка пропусков: при --fancy заполняем внутренние разрывы, края и дотягиваем до максимальной длины
if self._fancy: if self._fancy:
try: try:
known = ~np.isnan(sweep) _fill_missing(sweep)
if np.any(known): if aux_curves is not None:
known_idx = np.nonzero(known)[0] _fill_missing(aux_curves[0])
# Для каждой пары соседних известных индексов заполним промежуток средним значением _fill_missing(aux_curves[1])
for i0, i1 in zip(known_idx[:-1], known_idx[1:]):
if i1 - i0 > 1:
avg = (sweep[i0] + sweep[i1]) * 0.5
sweep[i0 + 1 : i1] = avg
first_idx = int(known_idx[0])
last_idx = int(known_idx[-1])
if first_idx > 0:
sweep[:first_idx] = sweep[first_idx]
if last_idx < sweep.size - 1:
sweep[last_idx + 1 :] = sweep[last_idx]
except Exception: except Exception:
# В случае ошибки просто оставляем как есть # В случае ошибки просто оставляем как есть
pass pass
# Инверсия данных при «отрицательном» уровне (среднее ниже порога) # Инверсия данных при «отрицательном» уровне (среднее ниже порога)
try: if apply_inversion:
m = float(np.nanmean(sweep)) try:
if np.isfinite(m) and m < DATA_INVERSION_THRASHOLD: m = float(np.nanmean(sweep))
sweep *= -1.0 if np.isfinite(m) and m < DATA_INVERSION_THRASHOLD:
sweep *= -1.0
except Exception: except Exception:
pass pass
#sweep = np.abs(sweep) #sweep = np.abs(sweep)
#sweep -= float(np.nanmean(sweep)) #sweep -= float(np.nanmean(sweep))
@ -500,14 +568,14 @@ class SweepReader(threading.Thread):
# Кладём готовый свип (если очередь полна — выбрасываем самый старый) # Кладём готовый свип (если очередь полна — выбрасываем самый старый)
try: try:
self._q.put_nowait((sweep, info)) self._q.put_nowait((sweep, info, aux_curves))
except Full: except Full:
try: try:
_ = self._q.get_nowait() _ = self._q.get_nowait()
except Exception: except Exception:
pass pass
try: try:
self._q.put_nowait((sweep, info)) self._q.put_nowait((sweep, info, aux_curves))
except Exception: except Exception:
pass pass
@ -653,6 +721,99 @@ class SweepReader(threading.Thread):
self._finalize_current(xs, ys, cur_channels) self._finalize_current(xs, ys, cur_channels)
def _run_logscale_binary_stream(self, chunk_reader: SerialChunkReader):
xs: list[int] = []
ys: list[float] = []
avg_1_vals: list[int] = []
avg_2_vals: list[int] = []
cur_channel: Optional[int] = None
cur_channels: set[int] = set()
words = deque()
buf = bytearray()
while not self._stop.is_set():
data = chunk_reader.read_available()
if data:
buf += data
else:
time.sleep(0.0005)
continue
usable = len(buf) & ~1
if usable == 0:
continue
i = 0
while i < usable:
w = int(buf[i]) | (int(buf[i + 1]) << 8)
words.append(w)
i += 2
# Бинарный logscale-протокол:
# старт свипа: 0xFFFF x5, затем (ch<<8)|0x0A
# точка: step, avg1_hi, avg1_lo, avg2_hi, avg2_lo, 0x000A
while len(words) >= 6:
w0 = int(words[0])
w1 = int(words[1])
w2 = int(words[2])
w3 = int(words[3])
w4 = int(words[4])
w5 = int(words[5])
if (
w0 == 0xFFFF
and w1 == 0xFFFF
and w2 == 0xFFFF
and w3 == 0xFFFF
and w4 == 0xFFFF
and (w5 & 0x00FF) == 0x000A
):
self._finalize_current(
xs,
ys,
cur_channels,
raw_curves=(avg_1_vals, avg_2_vals),
apply_inversion=False,
)
xs.clear()
ys.clear()
avg_1_vals.clear()
avg_2_vals.clear()
cur_channels.clear()
cur_channel = (w5 >> 8) & 0x00FF
cur_channels.add(cur_channel)
for _ in range(6):
words.popleft()
continue
if w5 == 0x000A:
if cur_channel is not None:
cur_channels.add(cur_channel)
avg_1 = self._u32_to_i32((w1 << 16) | w2)
avg_2 = self._u32_to_i32((w3 << 16) | w4)
xs.append(w0)
avg_1_vals.append(avg_1)
avg_2_vals.append(avg_2)
ys.append(_log_pair_to_sweep(avg_1, avg_2))
#ys.append(LOG_BASE**(avg_1/LOG_SCALER) - LOG_BASE**(avg_2/LOG_SCALER))
for _ in range(6):
words.popleft()
continue
words.popleft()
del buf[:usable]
if len(buf) > 1_000_000:
del buf[:-262144]
self._finalize_current(
xs,
ys,
cur_channels,
raw_curves=(avg_1_vals, avg_2_vals),
apply_inversion=False,
)
def run(self): def run(self):
try: try:
self._src = SerialLineSource(self._port_path, self._baud, timeout=1.0) self._src = SerialLineSource(self._port_path, self._baud, timeout=1.0)
@ -663,7 +824,9 @@ class SweepReader(threading.Thread):
try: try:
chunk_reader = SerialChunkReader(self._src) chunk_reader = SerialChunkReader(self._src)
if self._bin_mode: if self._logscale:
self._run_logscale_binary_stream(chunk_reader)
elif self._bin_mode:
self._run_binary_stream(chunk_reader) self._run_binary_stream(chunk_reader)
else: else:
self._run_ascii_stream(chunk_reader) self._run_ascii_stream(chunk_reader)
@ -740,6 +903,14 @@ def main():
"точки step,uint32(hi16,lo16),0x000A" "точки step,uint32(hi16,lo16),0x000A"
), ),
) )
parser.add_argument(
"--logscale",
action="store_true",
help=(
"Новый бинарный протокол: точка несёт пару int32 (avg_1, avg_2), "
"а свип считается как 10**(avg_1*0.001) - 10**(avg_2*0.001)"
),
)
args = parser.parse_args() args = parser.parse_args()
@ -772,6 +943,7 @@ def main():
stop_event, stop_event,
fancy=bool(args.fancy), fancy=bool(args.fancy),
bin_mode=bool(args.bin_mode), bin_mode=bool(args.bin_mode),
logscale=bool(args.logscale),
) )
reader.start() reader.start()
@ -784,6 +956,7 @@ def main():
# Состояние для отображения # Состояние для отображения
current_sweep_raw: Optional[np.ndarray] = None current_sweep_raw: Optional[np.ndarray] = None
current_aux_curves: SweepAuxCurves = None
current_sweep_norm: Optional[np.ndarray] = None current_sweep_norm: Optional[np.ndarray] = None
last_calib_sweep: Optional[np.ndarray] = None last_calib_sweep: Optional[np.ndarray] = None
current_info: Optional[SweepInfo] = None current_info: Optional[SweepInfo] = None
@ -822,6 +995,8 @@ def main():
) )
# Линейный график последнего свипа # Линейный график последнего свипа
line_avg1_obj, = ax_line.plot([], [], lw=1, color="0.65")
line_avg2_obj, = ax_line.plot([], [], lw=1, color="0.45")
line_obj, = ax_line.plot([], [], lw=1, color="tab:blue") line_obj, = ax_line.plot([], [], lw=1, color="tab:blue")
line_calib_obj, = ax_line.plot([], [], lw=1, color="tab:red") line_calib_obj, = ax_line.plot([], [], lw=1, color="tab:red")
line_norm_obj, = ax_line.plot([], [], lw=1, color="tab:green") line_norm_obj, = ax_line.plot([], [], lw=1, color="tab:green")
@ -1041,15 +1216,16 @@ def main():
y_max_fft = float(fr_max) y_max_fft = float(fr_max)
def drain_queue(): def drain_queue():
nonlocal current_sweep_raw, current_sweep_norm, current_info, last_calib_sweep nonlocal current_sweep_raw, current_aux_curves, current_sweep_norm, current_info, last_calib_sweep
drained = 0 drained = 0
while True: while True:
try: try:
s, info = q.get_nowait() s, info, aux_curves = q.get_nowait()
except Empty: except Empty:
break break
drained += 1 drained += 1
current_sweep_raw = s current_sweep_raw = s
current_aux_curves = aux_curves
current_info = info current_info = info
ch = 0 ch = 0
try: try:
@ -1119,6 +1295,13 @@ def main():
else: else:
xs = np.arange(current_sweep_raw.size, dtype=np.int32) xs = np.arange(current_sweep_raw.size, dtype=np.int32)
line_obj.set_data(xs, current_sweep_raw) line_obj.set_data(xs, current_sweep_raw)
if current_aux_curves is not None:
avg_1_curve, avg_2_curve = current_aux_curves
line_avg1_obj.set_data(xs[: avg_1_curve.size], avg_1_curve)
line_avg2_obj.set_data(xs[: avg_2_curve.size], avg_2_curve)
else:
line_avg1_obj.set_data([], [])
line_avg2_obj.set_data([], [])
if last_calib_sweep is not None: if last_calib_sweep is not None:
line_calib_obj.set_data(xs[: last_calib_sweep.size], last_calib_sweep) line_calib_obj.set_data(xs[: last_calib_sweep.size], last_calib_sweep)
else: else:
@ -1131,18 +1314,12 @@ def main():
ax_line.set_xlim(3.3, 14.3) ax_line.set_xlim(3.3, 14.3)
# Адаптивные Y-лимиты (если не задан --ylim) # Адаптивные Y-лимиты (если не задан --ylim)
if fixed_ylim is None: if fixed_ylim is None:
y0 = float(np.nanmin(current_sweep_raw)) y_series = [current_sweep_raw, last_calib_sweep, current_sweep_norm]
y1 = float(np.nanmax(current_sweep_raw)) if current_aux_curves is not None:
if np.isfinite(y0) and np.isfinite(y1): y_series.extend(current_aux_curves)
if y0 == y1: y_limits = _compute_auto_ylim(*y_series)
pad = max(1.0, abs(y0) * 0.05) if y_limits is not None:
y0 -= pad ax_line.set_ylim(y_limits[0], y_limits[1])
y1 += pad
else:
pad = 0.05 * (y1 - y0)
y0 -= pad
y1 += pad
ax_line.set_ylim(y0, y1)
# Обновление спектра текущего свипа # Обновление спектра текущего свипа
sweep_for_fft = current_sweep_norm if current_sweep_norm is not None else current_sweep_raw sweep_for_fft = current_sweep_norm if current_sweep_norm is not None else current_sweep_raw
@ -1232,6 +1409,8 @@ def main():
# Возвращаем обновлённые артисты # Возвращаем обновлённые артисты
return ( return (
line_obj, line_obj,
line_avg1_obj,
line_avg2_obj,
line_calib_obj, line_calib_obj,
line_norm_obj, line_norm_obj,
img_obj, img_obj,
@ -1274,6 +1453,7 @@ def run_pyqtgraph(args):
stop_event, stop_event,
fancy=bool(args.fancy), fancy=bool(args.fancy),
bin_mode=bool(args.bin_mode), bin_mode=bool(args.bin_mode),
logscale=bool(args.logscale),
) )
reader.start() reader.start()
@ -1291,6 +1471,8 @@ def run_pyqtgraph(args):
# Плот последнего свипа (слева-сверху) # Плот последнего свипа (слева-сверху)
p_line = win.addPlot(row=0, col=0, title="Сырые данные") p_line = win.addPlot(row=0, col=0, title="Сырые данные")
p_line.showGrid(x=True, y=True, alpha=0.3) p_line.showGrid(x=True, y=True, alpha=0.3)
curve_avg1 = p_line.plot(pen=pg.mkPen((170, 170, 170), width=1))
curve_avg2 = p_line.plot(pen=pg.mkPen((110, 110, 110), width=1))
curve = p_line.plot(pen=pg.mkPen((80, 120, 255), width=1)) curve = p_line.plot(pen=pg.mkPen((80, 120, 255), width=1))
curve_calib = p_line.plot(pen=pg.mkPen((220, 60, 60), width=1)) curve_calib = p_line.plot(pen=pg.mkPen((220, 60, 60), width=1))
curve_norm = p_line.plot(pen=pg.mkPen((60, 180, 90), width=1)) curve_norm = p_line.plot(pen=pg.mkPen((60, 180, 90), width=1))
@ -1350,6 +1532,7 @@ def run_pyqtgraph(args):
width: Optional[int] = None width: Optional[int] = None
x_shared: Optional[np.ndarray] = None x_shared: Optional[np.ndarray] = None
current_sweep_raw: Optional[np.ndarray] = None current_sweep_raw: Optional[np.ndarray] = None
current_aux_curves: SweepAuxCurves = None
current_sweep_norm: Optional[np.ndarray] = None current_sweep_norm: Optional[np.ndarray] = None
last_calib_sweep: Optional[np.ndarray] = None last_calib_sweep: Optional[np.ndarray] = None
current_info: Optional[SweepInfo] = None current_info: Optional[SweepInfo] = None
@ -1483,15 +1666,16 @@ def run_pyqtgraph(args):
y_max_fft = float(fr_max) y_max_fft = float(fr_max)
def drain_queue(): def drain_queue():
nonlocal current_sweep_raw, current_sweep_norm, current_info, last_calib_sweep nonlocal current_sweep_raw, current_aux_curves, current_sweep_norm, current_info, last_calib_sweep
drained = 0 drained = 0
while True: while True:
try: try:
s, info = q.get_nowait() s, info, aux_curves = q.get_nowait()
except Empty: except Empty:
break break
drained += 1 drained += 1
current_sweep_raw = s current_sweep_raw = s
current_aux_curves = aux_curves
current_info = info current_info = info
ch = 0 ch = 0
try: try:
@ -1530,6 +1714,13 @@ def run_pyqtgraph(args):
else: else:
xs = np.arange(current_sweep_raw.size) xs = np.arange(current_sweep_raw.size)
curve.setData(xs, current_sweep_raw, autoDownsample=True) curve.setData(xs, current_sweep_raw, autoDownsample=True)
if current_aux_curves is not None:
avg_1_curve, avg_2_curve = current_aux_curves
curve_avg1.setData(xs[: avg_1_curve.size], avg_1_curve, autoDownsample=True)
curve_avg2.setData(xs[: avg_2_curve.size], avg_2_curve, autoDownsample=True)
else:
curve_avg1.setData([], [])
curve_avg2.setData([], [])
if last_calib_sweep is not None: if last_calib_sweep is not None:
curve_calib.setData(xs[: last_calib_sweep.size], last_calib_sweep, autoDownsample=True) curve_calib.setData(xs[: last_calib_sweep.size], last_calib_sweep, autoDownsample=True)
else: else:
@ -1539,11 +1730,12 @@ def run_pyqtgraph(args):
else: else:
curve_norm.setData([], []) curve_norm.setData([], [])
if fixed_ylim is None: if fixed_ylim is None:
y0 = float(np.nanmin(current_sweep_raw)) y_series = [current_sweep_raw, last_calib_sweep, current_sweep_norm]
y1 = float(np.nanmax(current_sweep_raw)) if current_aux_curves is not None:
if np.isfinite(y0) and np.isfinite(y1): y_series.extend(current_aux_curves)
margin = 0.05 * max(1.0, (y1 - y0)) y_limits = _compute_auto_ylim(*y_series)
p_line.setYRange(y0 - margin, y1 + margin, padding=0) if y_limits is not None:
p_line.setYRange(y_limits[0], y_limits[1], padding=0)
# Обновим спектр # Обновим спектр
sweep_for_fft = current_sweep_norm if current_sweep_norm is not None else current_sweep_raw sweep_for_fft = current_sweep_norm if current_sweep_norm is not None else current_sweep_raw