ad to gitignore

.gitignore

@@ -6,3 +6,4 @@ __pycache__/
 *.bak
 *.swp
 *.swo       
+acm_9

rfg_adc_plotter/gui/matplotlib_backend.py

@@ -12,7 +12,7 @@ from rfg_adc_plotter.constants import FFT_LEN, FREQ_SPAN_GHZ, IFFT_LEN
 _IFFT_T_MAX_NS = float((IFFT_LEN - 1) / (FREQ_SPAN_GHZ * 1e9) * 1e9)
 from rfg_adc_plotter.io.sweep_reader import SweepReader
 from rfg_adc_plotter.processing.normalizer import build_calib_envelopes
-from rfg_adc_plotter.state.app_state import CALIB_ENVELOPE_PATH, AppState, format_status
+from rfg_adc_plotter.state.app_state import BACKGROUND_PATH, CALIB_ENVELOPE_PATH, AppState, format_status
 from rfg_adc_plotter.state.ring_buffer import RingBuffer
 from rfg_adc_plotter.types import SweepPacket
 
@@ -89,7 +89,14 @@ def run_matplotlib(args):
 
     q: Queue[SweepPacket] = Queue(maxsize=1000)
     stop_event = threading.Event()
-    reader = SweepReader(args.port, args.baud, q, stop_event, fancy=bool(args.fancy))
+    reader = SweepReader(
+        args.port,
+        args.baud,
+        q,
+        stop_event,
+        fancy=bool(args.fancy),
+        bin_mode=bool(getattr(args, "bin_mode", False)),
+    )
     reader.start()
 
     max_sweeps = int(max(10, args.max_sweeps))
@@ -204,6 +211,24 @@ def run_matplotlib(args):
             state.set_calib_enabled(bool(calib_cb.get_status()[0]))
             fig.canvas.draw_idle()
 
+        ax_btn_bg = fig.add_axes([0.92, 0.27, 0.08, 0.05])
+        ax_cb_bg = fig.add_axes([0.92, 0.20, 0.08, 0.06])
+        from matplotlib.widgets import Button as MplButton
+        save_bg_btn = MplButton(ax_btn_bg, "Сохр. фон")
+        bg_cb = CheckButtons(ax_cb_bg, ["вычет фона"], [False])
+
+        def _on_save_bg(_event):
+            ok = state.save_background()
+            if ok:
+                state.load_background()
+            fig.canvas.draw_idle()
+
+        def _on_bg_clicked(_v):
+            state.set_background_enabled(bool(bg_cb.get_status()[0]))
+
+        save_bg_btn.on_clicked(_on_save_bg)
+        bg_cb.on_clicked(_on_bg_clicked)
+
         ymin_slider.on_changed(_on_ylim_change)
         ymax_slider.on_changed(_on_ylim_change)
         contrast_slider.on_changed(lambda _v: fig.canvas.draw_idle())
@@ -250,7 +275,15 @@ def run_matplotlib(args):
                 m = float(np.nanmax(np.abs(data)))
                 return data / m if m > 0.0 else data
             line_obj.set_data(xs, _norm_to_max(raw))
-            if state.last_calib_sweep is not None:
+            if state.calib_mode == "file" and state.calib_file_envelope is not None:
+                upper = state.calib_file_envelope
+                lower = -upper
+                m_env = float(np.nanmax(np.abs(upper)))
+                if m_env <= 0.0:
+                    m_env = 1.0
+                line_env_lo.set_data(xs[: upper.size], lower / m_env)
+                line_env_hi.set_data(xs[: upper.size], upper / m_env)
+            elif state.last_calib_sweep is not None:
                 calib = state.last_calib_sweep
                 m_calib = float(np.nanmax(np.abs(calib)))
                 if m_calib <= 0.0:

rfg_adc_plotter/gui/pyqtgraph_backend.py

@@ -10,7 +10,7 @@ import numpy as np
 from rfg_adc_plotter.constants import FREQ_SPAN_GHZ, IFFT_LEN
 from rfg_adc_plotter.io.sweep_reader import SweepReader
 from rfg_adc_plotter.processing.normalizer import build_calib_envelopes
-from rfg_adc_plotter.state.app_state import CALIB_ENVELOPE_PATH, AppState, format_status
+from rfg_adc_plotter.state.app_state import BACKGROUND_PATH, CALIB_ENVELOPE_PATH, AppState, format_status
 from rfg_adc_plotter.state.ring_buffer import RingBuffer
 from rfg_adc_plotter.types import SweepPacket
 
@@ -106,7 +106,14 @@ def run_pyqtgraph(args):
 
     q: Queue[SweepPacket] = Queue(maxsize=1000)
     stop_event = threading.Event()
-    reader = SweepReader(args.port, args.baud, q, stop_event, fancy=bool(args.fancy))
+    reader = SweepReader(
+        args.port,
+        args.baud,
+        q,
+        stop_event,
+        fancy=bool(args.fancy),
+        bin_mode=bool(getattr(args, "bin_mode", False)),
+    )
     reader.start()
 
     max_sweeps = int(max(10, args.max_sweeps))
@@ -225,6 +232,32 @@ def run_pyqtgraph(args):
     calib_cb.stateChanged.connect(_on_calib_toggled)
     calib_file_cb.stateChanged.connect(lambda _v: _on_calib_file_toggled(calib_file_cb.isChecked()))
 
+    # Кнопка сохранения фона + чекбокс вычета фона
+    bg_widget = QtWidgets.QWidget()
+    bg_layout = QtWidgets.QHBoxLayout(bg_widget)
+    bg_layout.setContentsMargins(2, 2, 2, 2)
+    bg_layout.setSpacing(8)
+
+    save_bg_btn = QtWidgets.QPushButton("Сохр. фон")
+    bg_cb = QtWidgets.QCheckBox("вычет фона")
+    bg_cb.setEnabled(False)
+
+    bg_layout.addWidget(save_bg_btn)
+    bg_layout.addWidget(bg_cb)
+
+    bg_container_proxy = QtWidgets.QGraphicsProxyWidget()
+    bg_container_proxy.setWidget(bg_widget)
+    win.addItem(bg_container_proxy, row=2, col=0)
+
+    def _on_save_bg():
+        ok = state.save_background()
+        if ok:
+            state.load_background()
+            bg_cb.setEnabled(True)
+
+    save_bg_btn.clicked.connect(_on_save_bg)
+    bg_cb.stateChanged.connect(lambda _v: state.set_background_enabled(bg_cb.isChecked()))
+
     # Статусная строка
     status = pg.LabelItem(justify="left")
     win.addItem(status, row=3, col=0, colspan=2)
@@ -264,7 +297,15 @@ def run_pyqtgraph(args):
                 m = float(np.nanmax(np.abs(data)))
                 return data / m if m > 0.0 else data
             curve.setData(xs, _norm_to_max(raw), autoDownsample=True)
-            if state.last_calib_sweep is not None:
+            if state.calib_mode == "file" and state.calib_file_envelope is not None:
+                upper = state.calib_file_envelope
+                lower = -upper
+                m_env = float(np.nanmax(np.abs(upper)))
+                if m_env <= 0.0:
+                    m_env = 1.0
+                curve_env_lo.setData(xs[: upper.size], lower / m_env, autoDownsample=True)
+                curve_env_hi.setData(xs[: upper.size], upper / m_env, autoDownsample=True)
+            elif state.last_calib_sweep is not None:
                 calib = state.last_calib_sweep
                 m_calib = float(np.nanmax(np.abs(calib)))
                 if m_calib <= 0.0:

rfg_adc_plotter/io/sweep_reader.py

@@ -24,6 +24,7 @@ class SweepReader(threading.Thread):
         out_queue: "Queue[SweepPacket]",
         stop_event: threading.Event,
         fancy: bool = False,
+        bin_mode: bool = False,
     ):
         super().__init__(daemon=True)
         self._port_path = port_path
@@ -32,11 +33,17 @@ class SweepReader(threading.Thread):
         self._stop = stop_event
         self._src: Optional[SerialLineSource] = None
         self._fancy = bool(fancy)
+        self._bin_mode = bool(bin_mode)
         self._max_width: int = 0
         self._sweep_idx: int = 0
         self._last_sweep_ts: Optional[float] = None
         self._n_valid_hist = deque()
 
+    @staticmethod
+    def _u32_to_i32(v: int) -> int:
+        """Преобразование 32-bit слова в знаковое значение."""
+        return v - 0x1_0000_0000 if (v & 0x8000_0000) else v
+
     def _finalize_current(self, xs, ys, channels: Optional[set]):
         if not xs:
             return
@@ -135,11 +142,148 @@ class SweepReader(threading.Thread):
             except Exception:
                 pass
 
-    def run(self):
+    def _run_ascii_stream(self, chunk_reader: SerialChunkReader):
-        xs: list = []
+        xs: list[int] = []
-        ys: list = []
+        ys: list[int] = []
         cur_channel: Optional[int] = None
-        cur_channels: set = set()
+        cur_channels: set[int] = set()
+
+        buf = bytearray()
+        while not self._stop.is_set():
+            data = chunk_reader.read_available()
+            if data:
+                buf += data
+            else:
+                time.sleep(0.0005)
+                continue
+
+            while True:
+                nl = buf.find(b"\n")
+                if nl == -1:
+                    break
+                line = bytes(buf[:nl])
+                del buf[: nl + 1]
+                if line.endswith(b"\r"):
+                    line = line[:-1]
+                if not line:
+                    continue
+
+                if line.startswith(b"Sweep_start"):
+                    self._finalize_current(xs, ys, cur_channels)
+                    xs.clear()
+                    ys.clear()
+                    cur_channel = None
+                    cur_channels.clear()
+                    continue
+
+                if len(line) >= 3:
+                    parts = line.split()
+                    if len(parts) >= 3 and (parts[0].lower() == b"s" or parts[0].lower().startswith(b"s")):
+                        try:
+                            if parts[0].lower() == b"s":
+                                if len(parts) >= 4:
+                                    ch = int(parts[1], 10)
+                                    x = int(parts[2], 10)
+                                    y = int(parts[3], 10)
+                                else:
+                                    ch = 0
+                                    x = int(parts[1], 10)
+                                    y = int(parts[2], 10)
+                            else:
+                                ch = int(parts[0][1:], 10)
+                                x = int(parts[1], 10)
+                                y = int(parts[2], 10)
+                        except Exception:
+                            continue
+                        if cur_channel is None:
+                            cur_channel = ch
+                        cur_channels.add(ch)
+                        xs.append(x)
+                        ys.append(y)
+
+            if len(buf) > 1_000_000:
+                del buf[:-262144]
+
+        self._finalize_current(xs, ys, cur_channels)
+
+    def _run_binary_stream(self, chunk_reader: SerialChunkReader):
+        xs: list[int] = []
+        ys: 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 протокол:
+            #   старт свипа (актуальный): 0xFFFF, 0xFFFF, 0xFFFF, (ch<<8)|0x0A
+            #   старт свипа (legacy):     0xFFFF, 0xFFFF, channel, 0x0A0A
+            #   точка: step, value_hi, value_lo, 0x000A
+            while len(words) >= 4:
+                w0 = int(words[0])
+                w1 = int(words[1])
+                w2 = int(words[2])
+                w3 = int(words[3])
+
+                if w0 == 0xFFFF and w1 == 0xFFFF and w2 == 0xFFFF and (w3 & 0x00FF) == 0x000A:
+                    self._finalize_current(xs, ys, cur_channels)
+                    xs.clear()
+                    ys.clear()
+                    cur_channels.clear()
+                    cur_channel = (w3 >> 8) & 0x00FF
+                    cur_channels.add(cur_channel)
+                    for _ in range(4):
+                        words.popleft()
+                    continue
+
+                if w0 == 0xFFFF and w1 == 0xFFFF and w3 == 0x0A0A:
+                    self._finalize_current(xs, ys, cur_channels)
+                    xs.clear()
+                    ys.clear()
+                    cur_channels.clear()
+                    cur_channel = w2
+                    cur_channels.add(cur_channel)
+                    for _ in range(4):
+                        words.popleft()
+                    continue
+
+                if w3 == 0x000A:
+                    if cur_channel is not None:
+                        cur_channels.add(cur_channel)
+                    xs.append(w0)
+                    value_u32 = (w1 << 16) | w2
+                    ys.append(self._u32_to_i32(value_u32))
+                    for _ in range(4):
+                        words.popleft()
+                    continue
+
+                # Поток может начаться с середины пакета; сдвигаемся по слову до ресинхронизации.
+                words.popleft()
+
+            del buf[:usable]
+            if len(buf) > 1_000_000:
+                del buf[:-262144]
+
+        self._finalize_current(xs, ys, cur_channels)
+
+    def run(self):
 
         try:
             self._src = SerialLineSource(self._port_path, self._baud, timeout=1.0)
@@ -150,66 +294,11 @@ class SweepReader(threading.Thread):
 
         try:
             chunk_reader = SerialChunkReader(self._src)
-            buf = bytearray()
+            if self._bin_mode:
-            while not self._stop.is_set():
+                self._run_binary_stream(chunk_reader)
-                data = chunk_reader.read_available()
+            else:
-                if data:
+                self._run_ascii_stream(chunk_reader)
-                    buf += data
-                else:
-                    time.sleep(0.0005)
-                    continue
-
-                while True:
-                    nl = buf.find(b"\n")
-                    if nl == -1:
-                        break
-                    line = bytes(buf[:nl])
-                    del buf[: nl + 1]
-                    if line.endswith(b"\r"):
-                        line = line[:-1]
-                    if not line:
-                        continue
-
-                    if line.startswith(b"Sweep_start"):
-                        self._finalize_current(xs, ys, cur_channels)
-                        xs.clear()
-                        ys.clear()
-                        cur_channel = None
-                        cur_channels.clear()
-                        continue
-
-                    if len(line) >= 3:
-                        parts = line.split()
-                        if len(parts) >= 3 and (parts[0].lower() == b"s" or parts[0].lower().startswith(b"s")):
-                            try:
-                                if parts[0].lower() == b"s":
-                                    if len(parts) >= 4:
-                                        ch = int(parts[1], 10)
-                                        x = int(parts[2], 10)
-                                        y = int(parts[3], 10)
-                                    else:
-                                        ch = 0
-                                        x = int(parts[1], 10)
-                                        y = int(parts[2], 10)
-                                else:
-                                    ch = int(parts[0][1:], 10)
-                                    x = int(parts[1], 10)
-                                    y = int(parts[2], 10)
-                            except Exception:
-                                continue
-                            if cur_channel is None:
-                                cur_channel = ch
-                            cur_channels.add(ch)
-                            xs.append(x)
-                            ys.append(y)
-
-                if len(buf) > 1_000_000:
-                    del buf[:-262144]
         finally:
-            try:
-                self._finalize_current(xs, ys, cur_channels)
-            except Exception:
-                pass
             try:
                 if self._src is not None:
                     self._src.close()

rfg_adc_plotter/main.py

@@ -77,6 +77,15 @@ def build_parser() -> argparse.ArgumentParser:
         default="projector",
         help="Тип нормировки: projector (по огибающим в [-1000,+1000]) или simple (raw/calib)",
     )
+    parser.add_argument(
+        "--bin",
+        dest="bin_mode",
+        action="store_true",
+        help=(
+            "Бинарный протокол: старт свипа 0xFFFF,0xFFFF,0xFFFF,(CH<<8)|0x0A; "
+            "точки step,uint32(hi16,lo16),0x000A"
+        ),
+    )
     return parser
 
 

rfg_adc_plotter/state/app_state.py

@@ -15,6 +15,7 @@ from rfg_adc_plotter.state.ring_buffer import RingBuffer
 from rfg_adc_plotter.types import SweepInfo, SweepPacket
 
 CALIB_ENVELOPE_PATH = "calib_envelope.npy"
+BACKGROUND_PATH = "background.npy"
 
 
 def format_status(data: Mapping[str, Any]) -> str:
@@ -54,6 +55,10 @@ class AppState:
         # "live" — нормировка по текущему ch0-свипу; "file" — по огибающей из файла
         self.calib_mode: str = "live"
         self.calib_file_envelope: Optional[np.ndarray] = None
+        # Вычет фона
+        self.background: Optional[np.ndarray] = None
+        self.background_enabled: bool = False
+        self._last_sweep_for_ring: Optional[np.ndarray] = None
 
     def _normalize(self, raw: np.ndarray, calib: np.ndarray) -> np.ndarray:
         if self.calib_mode == "file" and self.calib_file_envelope is not None:
@@ -96,6 +101,43 @@ class AppState:
         """Переключить режим калибровки: 'live' или 'file'."""
         self.calib_mode = mode
 
+    def save_background(self, path: str = BACKGROUND_PATH) -> bool:
+        """Сохранить текущий sweep_for_ring как фоновый спектр.
+
+        Сохраняет последний свип, который был записан в ринг-буфер
+        (нормированный, если калибровка включена, иначе сырой).
+        Возвращает True при успехе.
+        """
+        if self._last_sweep_for_ring is None:
+            return False
+        try:
+            np.save(path, self._last_sweep_for_ring)
+            return True
+        except Exception as exc:
+            import sys
+            sys.stderr.write(f"[warn] Не удалось сохранить фон: {exc}\n")
+            return False
+
+    def load_background(self, path: str = BACKGROUND_PATH) -> bool:
+        """Загрузить фоновый спектр из файла.
+
+        Возвращает True при успехе.
+        """
+        if not os.path.isfile(path):
+            return False
+        try:
+            bg = np.load(path)
+            self.background = np.asarray(bg, dtype=np.float32)
+            return True
+        except Exception as exc:
+            import sys
+            sys.stderr.write(f"[warn] Не удалось загрузить фон: {exc}\n")
+            return False
+
+    def set_background_enabled(self, enabled: bool):
+        """Включить/выключить вычет фона."""
+        self.background_enabled = enabled
+
     def set_calib_enabled(self, enabled: bool):
         """Включить/выключить режим калибровки, пересчитать norm-свип."""
         self.calib_enabled = enabled
@@ -140,6 +182,7 @@ class AppState:
                 self.save_calib_envelope()
                 self.current_sweep_norm = None
                 sweep_for_ring = s
+                self._last_sweep_for_ring = sweep_for_ring
             else:
                 can_normalize = self.calib_enabled and (
                     (self.calib_mode == "file" and self.calib_file_envelope is not None)
@@ -153,6 +196,14 @@ class AppState:
                     self.current_sweep_norm = None
                     sweep_for_ring = s
 
+            # Вычет фона (в том же домене что и sweep_for_ring)
+            if self.background_enabled and self.background is not None and ch != 0:
+                w = min(sweep_for_ring.size, self.background.size)
+                sweep_for_ring = sweep_for_ring.copy()
+                sweep_for_ring[:w] -= self.background[:w]
+                self.current_sweep_norm = sweep_for_ring
+
+            self._last_sweep_for_ring = sweep_for_ring
             ring.ensure_init(s.size)
             ring.push(sweep_for_ring)
         return drained

run_dataplotter

@@ -0,0 +1,2 @@
+#!/usr/bin/bash
+python3 -m rfg_adc_plotter.main --bin --backend mpl $@