implemented new parser: _run_parser_test_stream, activates via --parser_test
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@ -38,7 +38,7 @@ SWEEP_FREQ_MIN_GHZ = 3.3
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SWEEP_FREQ_MAX_GHZ = 14.3
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SWEEP_FREQ_MAX_GHZ = 14.3
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LOG_BASE = 10.0
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LOG_BASE = 10.0
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LOG_SCALER = 0.001 # int32 значения приходят в fixed-point лог-шкале с шагом 1e-3
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LOG_SCALER = 0.001 # int32 значения приходят в fixed-point лог-шкале с шагом 1e-3
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LOG_POSTSCALER = 1000
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LOG_POSTSCALER = 1
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LOG_EXP_LIMIT = 300.0 # запас до переполнения float64 при возведении LOG_BASE в степень
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LOG_EXP_LIMIT = 300.0 # запас до переполнения float64 при возведении LOG_BASE в степень
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C_M_S = 299_792_458.0
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C_M_S = 299_792_458.0
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# Порог для инверсии сырых данных: если среднее значение свипа ниже порога —
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# Порог для инверсии сырых данных: если среднее значение свипа ниже порога —
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@ -570,6 +570,7 @@ class SerialLineSource:
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def __init__(self, path: str, baud: int, timeout: float = 1.0):
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def __init__(self, path: str, baud: int, timeout: float = 1.0):
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self._pyserial = try_open_pyserial(path, baud, timeout)
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self._pyserial = try_open_pyserial(path, baud, timeout)
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#self._pyserial = None
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self._fdreader = None
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self._fdreader = None
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self._using = "pyserial" if self._pyserial is not None else "raw"
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self._using = "pyserial" if self._pyserial is not None else "raw"
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if self._pyserial is None:
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if self._pyserial is None:
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@ -669,6 +670,7 @@ class SweepReader(threading.Thread):
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bin_mode: bool = False,
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bin_mode: bool = False,
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logscale: bool = False,
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logscale: bool = False,
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parser_16_bit_x2: bool = False,
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parser_16_bit_x2: bool = False,
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parser_test: bool = False,
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):
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):
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super().__init__(daemon=True)
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super().__init__(daemon=True)
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self._port_path = port_path
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self._port_path = port_path
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@ -680,6 +682,7 @@ class SweepReader(threading.Thread):
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self._bin_mode = bool(bin_mode)
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self._bin_mode = bool(bin_mode)
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self._logscale = bool(logscale)
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self._logscale = bool(logscale)
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self._parser_16_bit_x2 = bool(parser_16_bit_x2)
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self._parser_16_bit_x2 = bool(parser_16_bit_x2)
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self._parser_test = bool(parser_test)
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self._max_width: int = 0
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self._max_width: int = 0
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self._sweep_idx: int = 0
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self._sweep_idx: int = 0
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self._last_sweep_ts: Optional[float] = None
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self._last_sweep_ts: Optional[float] = None
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@ -1141,7 +1144,7 @@ class SweepReader(threading.Thread):
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#print(words)
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#print(words)
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# Бинарный logscale-протокол (16-bit x2):
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# Бинарный logscale-протокол (16-bit x2):
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# старт свипа: 0xFFFF, 0xFFFF, 0xFFFF, (ch<<8)|0x0A
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# старт свипа: 0xFFFF, 0xFFFF, 0xFFFF, (ch<<8)|0x0A
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# точка: step, avg1_lo16, avg2_lo16, 0x000A
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# точка: step, avg1_lo16, avg2_lo16, 0xFFFF
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while len(words) >= 4:
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while len(words) >= 4:
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w0 = int(words[0])
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w0 = int(words[0])
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w1 = int(words[1])
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w1 = int(words[1])
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@ -1175,13 +1178,13 @@ class SweepReader(threading.Thread):
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continue
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continue
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if syncing:
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if syncing:
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if w0 == 0x000A:
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if w0 == 0xFFFF:
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syncing = False
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syncing = False
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expected_step = None
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expected_step = None
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words.popleft()
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words.popleft()
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continue
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continue
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if w3 != 0x000A:
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if w3 != 0xFFFF:
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syncing = True
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syncing = True
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continue
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continue
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@ -1220,6 +1223,133 @@ class SweepReader(threading.Thread):
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apply_inversion=False,
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apply_inversion=False,
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)
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)
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def _run_parser_test_stream(self, chunk_reader: SerialChunkReader):
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"""Тестовый парсер 16-bit x2:
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- разделитель точки: одиночный 0xFFFF
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- маркер старта свипа: серия 0xFFFF (>=2), затем (ch<<8)|0x0A
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"""
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xs: list[int] = []
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ys: list[float] = []
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avg_1_vals: list[int] = []
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avg_2_vals: list[int] = []
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cur_channel: Optional[int] = None
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cur_channels: set[int] = set()
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expected_step: Optional[int] = None
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in_sweep = False
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point_buf: list[int] = []
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ffff_run = 0
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local_resync = False
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def _finalize_sweep():
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self._finalize_current(
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xs,
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ys,
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cur_channels,
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raw_curves=(avg_1_vals, avg_2_vals),
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apply_inversion=False,
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)
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xs.clear()
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ys.clear()
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avg_1_vals.clear()
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avg_2_vals.clear()
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cur_channels.clear()
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def _consume_point() -> bool:
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nonlocal expected_step
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if len(point_buf) != 3:
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return False
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step = int(point_buf[0])
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if step <= 0:
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return False
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if expected_step is not None and step < expected_step:
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return False
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if cur_channel is not None:
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cur_channels.add(cur_channel)
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avg_1 = self._u16_to_i16(int(point_buf[1]))
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avg_2 = self._u16_to_i16(int(point_buf[2]))
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xs.append(step)
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avg_1_vals.append(avg_1)
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avg_2_vals.append(avg_2)
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ys.append(_log_pair_to_sweep(avg_1, avg_2))
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expected_step = step + 1
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return True
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buf = bytearray()
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buf_pos = 0
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while not self._stop.is_set():
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data = chunk_reader.read_available()
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if data:
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buf += data
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else:
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time.sleep(0.000005)
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continue
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# Обрабатываем поток строго по одному слову (16 бит) за шаг.
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while (buf_pos + 1) < len(buf):
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w = int(buf[buf_pos]) | (int(buf[buf_pos + 1]) << 8)
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buf_pos += 2
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if w == 0xFFFF:
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ffff_run += 1
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continue
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if ffff_run > 0:
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bad_point_on_this_delim = False
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if in_sweep and point_buf and (not local_resync):
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if not _consume_point():
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local_resync = True
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bad_point_on_this_delim = True
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point_buf.clear()
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if ffff_run >= 2:
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if (w & 0x00FF) == 0x000A:
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_finalize_sweep()
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cur_channel = (w >> 8) & 0x00FF
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cur_channels.add(cur_channel)
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in_sweep = True
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expected_step = 1
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local_resync = False
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point_buf.clear()
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ffff_run = 0
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continue
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# Некорректная серия FFFF: остаёмся в текущем свипе, ждём
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# следующего одиночного разделителя точки.
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if in_sweep:
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local_resync = True
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ffff_run = 0
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continue
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# ffff_run == 1: это просто разделитель точки
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if local_resync and (not bad_point_on_this_delim):
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# Нашли следующий одиночный разделитель: выходим из локального resync.
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local_resync = False
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point_buf.clear()
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ffff_run = 0
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if in_sweep and (not local_resync):
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point_buf.append(w)
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if len(point_buf) > 3:
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point_buf.clear()
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local_resync = True
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# Периодически уплотняем буфер, сохраняя возможный хвост из 1 байта.
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if buf_pos >= 262144:
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del buf[:buf_pos]
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buf_pos = 0
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# Аварийный лимит на остаток неразобранных данных.
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if (len(buf) - buf_pos) > 1_000_000:
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tail = buf[buf_pos:]
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if len(tail) > 262144:
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tail = tail[-262144:]
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buf = bytearray(tail)
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buf_pos = 0
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# Попробуем завершить последнюю точку, если поток закончился ровно на разделителе.
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if in_sweep and (not local_resync) and ffff_run == 1 and point_buf:
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_consume_point()
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point_buf.clear()
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_finalize_sweep()
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def run(self):
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def run(self):
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try:
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try:
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self._src = SerialLineSource(self._port_path, self._baud, timeout=1.0)
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self._src = SerialLineSource(self._port_path, self._baud, timeout=1.0)
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@ -1230,7 +1360,9 @@ class SweepReader(threading.Thread):
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try:
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try:
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chunk_reader = SerialChunkReader(self._src)
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chunk_reader = SerialChunkReader(self._src)
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if self._parser_16_bit_x2:
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if self._parser_test:
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self._run_parser_test_stream(chunk_reader)
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elif self._parser_16_bit_x2:
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self._run_logscale_16_bit_x2_binary_stream(chunk_reader)
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self._run_logscale_16_bit_x2_binary_stream(chunk_reader)
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elif self._logscale:
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elif self._logscale:
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self._run_logscale_binary_stream(chunk_reader)
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self._run_logscale_binary_stream(chunk_reader)
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@ -1325,7 +1457,15 @@ def main():
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action="store_true",
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action="store_true",
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help=(
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help=(
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"Бинарный logscale-протокол c парой int16 (avg_1, avg_2): "
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"Бинарный logscale-протокол c парой int16 (avg_1, avg_2): "
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"старт 0xFFFF,0xFFFF,0xFFFF,(CH<<8)|0x0A; точка step,avg1_lo16,avg2_lo16,0x000A"
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"старт 0xFFFF,0xFFFF,0xFFFF,(CH<<8)|0x0A; точка step,avg1_lo16,avg2_lo16,0xFFFF"
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),
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)
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parser.add_argument(
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"--parser_test",
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action="store_true",
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help=(
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"Тестовый парсер для формата 16-bit x2: "
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"одиночный 0xFFFF завершает точку, серия 0xFFFF начинает новый свип"
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),
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),
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)
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)
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parser.add_argument(
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parser.add_argument(
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@ -1374,6 +1514,7 @@ def main():
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bin_mode=bool(args.bin_mode),
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bin_mode=bool(args.bin_mode),
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logscale=bool(args.logscale),
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logscale=bool(args.logscale),
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parser_16_bit_x2=bool(args.parser_16_bit_x2),
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parser_16_bit_x2=bool(args.parser_16_bit_x2),
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parser_test=bool(args.parser_test),
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)
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)
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reader.start()
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reader.start()
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@ -2103,6 +2244,7 @@ def run_pyqtgraph(args):
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bin_mode=bool(args.bin_mode),
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bin_mode=bool(args.bin_mode),
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logscale=bool(args.logscale),
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logscale=bool(args.logscale),
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parser_16_bit_x2=bool(args.parser_16_bit_x2),
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parser_16_bit_x2=bool(args.parser_16_bit_x2),
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parser_test=bool(args.parser_test),
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)
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)
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reader.start()
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reader.start()
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