Rework radar system
This commit is contained in:
Ayzen
@@ -1,10 +1,9 @@
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"""Sequential capture workflow for preprocess asset dataset creation."""
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"""One capture session for one or more radar sweep variants."""
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from __future__ import annotations
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from contextlib import suppress
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from dataclasses import dataclass
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import logging
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import time
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from typing import cast
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@@ -12,28 +11,23 @@ import numpy as np
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from python_app.hardware_full.matrix_radar_service import MatrixRadarService, create_matrix_radar_service
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from python_app.hardware_full.single_radar_service import SingleRadarService, create_single_radar_service
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from python_app.hardware_full.switch_service import SwitchService
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from python_app.hardware_full.switch_service import SwitchService, select_and_settle
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from python_app.models.dataset_model import ComboKey, SweepCollection, TraceData
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from python_app.models.run_config_model import ComboModel, RunConfigModel
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from python_app.storage.npz_store import NpzStore, radar_key_from_config
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from python_app.models.run_config_schema import ComboModel, RunConfigModel
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from python_app.storage.npz.store import NpzStore
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from python_app.workflows.radar_config_variants import RadarConfigVariant
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logger = logging.getLogger(__name__)
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MATRIX_RADAR_MANUAL_CAPTURE_KINDS = frozenset({"s21_calibration", "s11_open", "s11_short", "s11_load"})
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DEFAULT_CALIBRATION_MEDIAN_SWEEP_COUNT = 5
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def trace_capture_window(traces: list[TraceData]) -> tuple[int, int]:
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"""Return the total measured window, retaining zero when timing was not reported."""
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starts = [int(trace.capture_start_ns) for trace in traces if int(trace.capture_start_ns) > 0]
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ends = [int(trace.capture_end_ns) for trace in traces if int(trace.capture_end_ns) > 0]
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return min(starts, default=0), max(ends, default=0)
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"""Span measured trace windows, retaining zero if timing was not reported."""
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return (min((t.capture_start_ns for t in traces if t.capture_start_ns > 0), default=0),
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max((t.capture_end_ns for t in traces if t.capture_end_ns > 0), default=0))
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@dataclass(slots=True)
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class SequentialCaptureState:
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"""Snapshot of sequential capture progress for the GUI/controller."""
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kind: str
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set_name: str
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captured_count: int
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@@ -45,321 +39,178 @@ class SequentialCaptureState:
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supports_batch_capture: bool = True
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@dataclass(frozen=True, slots=True)
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class CaptureBatch:
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combo: ComboModel
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traces: tuple[TraceData, ...]
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@property
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def display_trace(self) -> TraceData:
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return self.traces[-1]
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@dataclass(frozen=True, slots=True)
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class SavedCaptureSet:
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display_name: str
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radar_key: str
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collection: SweepCollection
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class SequentialCaptureSession:
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"""Manage hardware and switch stepping for full combo capture sequence."""
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"""Capture each antenna pair across variants, committing a complete batch atomically."""
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def __init__(
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self,
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config: RunConfigModel,
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kind: str,
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set_name: str,
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*,
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median_sweep_count: int = 1,
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self, config: RunConfigModel, kind: str, set_name: str, *,
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radar_variants: list[RadarConfigVariant] | None = None, median_sweep_count: int = 1,
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) -> None:
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"""Create capture session for one preprocess asset set."""
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if kind not in {"s21_calibration", "s21_reference", "s11_open", "s11_short", "s11_load", "s11_reference"}:
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if kind not in {"s21_calibration", "s21_reference"}:
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raise RuntimeError(f"Unsupported capture kind: {kind}")
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if not set_name:
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raise RuntimeError("Set name is required")
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if int(median_sweep_count) < 1:
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if median_sweep_count < 1:
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raise RuntimeError("median_sweep_count must be >= 1")
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self._config = config
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self._kind = kind
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self._set_name = set_name
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self._median_sweep_count = int(median_sweep_count)
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self._is_matrix_radar = config.is_matrix_radar
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self._manual_matrix_radar_capture = (
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self._is_matrix_radar and kind in MATRIX_RADAR_MANUAL_CAPTURE_KINDS
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)
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self.kind, self.set_name = kind, set_name
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self._config, self._median_sweep_count = config, median_sweep_count
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self._variants = ([RadarConfigVariant("Current radar", config, config.radar_key())]
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if radar_variants is None else list(radar_variants))
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if not self._variants:
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raise RuntimeError("At least one radar variant is required")
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self._combos = config.build_runtime_combos()
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if not self._combos:
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raise RuntimeError("No switch combinations available for capture")
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self._traces: list[TraceData] = []
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self._next_index = 0
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self._full_matrix = config.is_multi_device and kind == "s21_reference"
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self._batches: list[CaptureBatch] = []
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self._traces: dict[str, list[TraceData]] = {v.radar_key: [] for v in self._variants}
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self._opened = False
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logger.info(
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"Sequential capture session created: kind=%s set=%s combos=%d matrix_radar=%s median_sweeps=%d",
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self._kind,
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self._set_name,
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len(self._combos),
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self._is_matrix_radar,
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self._median_sweep_count,
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)
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self._sweep = self._variants[0].config.radar.sweep
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self._radar: MatrixRadarService | SingleRadarService
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if self._is_matrix_radar:
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if config.is_multi_device:
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self._radar = create_matrix_radar_service(config)
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self._input_switch = None
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self._output_switch = None
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self._input_switch = self._output_switch = None
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else:
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self._radar = create_single_radar_service(config)
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self._input_switch = SwitchService.from_model(config.input_switch)
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self._output_switch = SwitchService.from_model(config.output_switch)
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@property
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def kind(self) -> str:
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"""Return canonical preprocess asset key for this capture session."""
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return self._kind
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@property
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def set_name(self) -> str:
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"""Return destination set name."""
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return self._set_name
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def open(self) -> None:
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"""Open radar and switch resources."""
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if self._opened:
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return
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self._opened = True
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try:
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self._radar.open()
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self._radar.configure(self._config.radar.sweep)
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if self._input_switch is not None:
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self._input_switch.open()
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if self._output_switch is not None:
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self._output_switch.open()
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logger.info("Sequential capture session opened (kind=%s set=%s)", self._kind, self._set_name)
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self._radar.configure(self._sweep)
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for switch in (self._input_switch, self._output_switch):
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if switch is not None:
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switch.open()
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except Exception:
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logger.exception("Failed to open sequential capture session (kind=%s set=%s)", self._kind, self._set_name)
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self.close()
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raise
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def close(self) -> None:
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"""Close all opened hardware resources."""
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was_open = self._opened
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for resource in (self._output_switch, self._input_switch, self._radar):
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if resource is not None:
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with suppress(Exception):
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resource.close()
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self._opened = False
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if was_open:
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logger.info("Sequential capture session closed (kind=%s set=%s)", self._kind, self._set_name)
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def state(self) -> SequentialCaptureState:
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"""Return current progress snapshot."""
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current_combo = self._current_combo()
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complete = self.is_complete()
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return SequentialCaptureState(
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kind=self._kind,
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set_name=self._set_name,
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captured_count=len(self._traces),
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total_count=len(self._combos),
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current_combo=current_combo,
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can_undo=bool(self._traces),
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is_complete=self.is_complete(),
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supports_batch_capture=not self._manual_matrix_radar_capture,
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self.kind, self.set_name, len(self._combos) if complete else len(self._batches),
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len(self._combos), None if complete else self._combos[len(self._batches)],
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bool(self._batches), complete, len(self._variants),
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not (self._config.is_multi_device and self.kind == "s21_calibration"),
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)
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def capture_current_combo(self) -> TraceData:
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"""Capture one trace for current combo and advance sequence cursor."""
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if not self._opened:
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raise RuntimeError("Capture session is not opened")
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combo = self._current_combo()
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if combo is None:
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raise RuntimeError("Capture session is already complete")
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if self._is_matrix_radar:
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radar = cast(MatrixRadarService, self._radar)
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if self._manual_matrix_radar_capture:
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# Only this combo is kept, so acquire the smallest collection that
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# contains it instead of the full (switch-widened) matrix.
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per_sweep_traces = [
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select_trace_for_combo(
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acquire_matrix_combo_collection(radar, combo), combo
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)
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for _ in range(self._median_sweep_count)
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]
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trace = combine_traces_via_median(per_sweep_traces)
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self._traces.append(trace)
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self._next_index += 1
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logger.debug("Captured matrix combo input=%d output=%d", combo.input, combo.output)
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return trace
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collections: list[SweepCollection] = []
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for _ in range(self._median_sweep_count):
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collection = radar.acquire_collection(collection_id=1)
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if not collection.traces:
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raise RuntimeError("Matrix radar capture returned no traces")
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collections.append(collection)
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combined_collection = combine_collections_via_median(collections)
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self._traces.extend(combined_collection.traces)
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self._next_index = len(self._combos)
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logger.info("Captured full matrix combo set (%d traces)", len(combined_collection.traces))
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return combined_collection.traces[-1]
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if self._input_switch is None or self._output_switch is None:
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raise RuntimeError("Switches are not initialised for combo capture")
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self._output_switch.switch_to(combo.output)
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self._input_switch.switch_to(combo.input)
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if self._config.runtime.settling_ms > 0:
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time.sleep(self._config.runtime.settling_ms / 1000.0)
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trace = capture_single_radar_combo(cast(SingleRadarService, self._radar), combo, self._median_sweep_count)
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self._traces.append(trace)
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self._next_index += 1
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logger.debug(
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"Captured combo input=%d output=%d (%d/%d)",
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combo.input,
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combo.output,
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self._next_index,
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len(self._combos),
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)
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return trace
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def undo_last_capture(self) -> TraceData:
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"""Remove the most recently captured trace and rewind cursor by one combo."""
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if not self._opened:
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raise RuntimeError("Capture session is not opened")
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if not self._traces or self._next_index <= 0:
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raise RuntimeError("No captured combo is available to undo")
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if self._is_matrix_radar and not self._manual_matrix_radar_capture:
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if len(self._traces) != len(self._combos):
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raise RuntimeError("Capture session state is inconsistent; matrix radar trace matrix is incomplete")
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removed_trace = self._traces[-1]
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self._traces.clear()
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self._next_index = 0
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logger.info("Undid matrix combo set capture (kind=%s set=%s)", self._kind, self._set_name)
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return removed_trace
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expected_combo = self._combos[self._next_index - 1]
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removed_trace = self._traces[-1]
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if (
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int(removed_trace.combo.input) != int(expected_combo.input)
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or int(removed_trace.combo.output) != int(expected_combo.output)
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):
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raise RuntimeError("Capture session state is inconsistent; last trace does not match rewind combo")
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self._next_index -= 1
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self._traces.pop()
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logger.debug(
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"Undid combo capture input=%d output=%d (%d/%d remaining)",
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expected_combo.input,
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expected_combo.output,
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self._next_index,
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len(self._combos),
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)
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return removed_trace
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def last_captured_trace(self) -> TraceData | None:
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"""Return the most recently captured trace, if any."""
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if not self._traces:
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return None
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return self._traces[-1]
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def captured_traces(self) -> list[TraceData]:
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"""Return captured traces in acquisition order."""
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return list(self._traces)
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def is_complete(self) -> bool:
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"""Return `True` when all combos were captured."""
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return self._next_index >= len(self._combos)
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return bool(self._batches) if self._full_matrix else len(self._batches) == len(self._combos)
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def finalize(self, store: NpzStore) -> tuple[str, SweepCollection]:
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"""Persist completed capture into store and return radar key + collection."""
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def capture_current_combo(self) -> CaptureBatch:
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if not self._opened:
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raise RuntimeError("Capture session is not opened")
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combo = self.state().current_combo
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if combo is None:
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raise RuntimeError("Capture session is already complete")
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if not self._config.is_multi_device:
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select_and_settle(self._output_switch, self._input_switch, combo.output, combo.input,
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self._config.runtime.settling_ms)
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pending: dict[str, list[TraceData]] = {}
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for variant in self._variants:
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if variant.config.radar.sweep != self._sweep:
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self._radar.configure(variant.config.radar.sweep)
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self._sweep = variant.config.radar.sweep
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if self._config.runtime.settling_ms > 0:
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time.sleep(self._config.runtime.settling_ms / 1000.0)
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if self._config.is_multi_device:
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radar = cast(MatrixRadarService, self._radar)
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if self._full_matrix:
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collections = [radar.acquire_collection() for _ in range(self._median_sweep_count)]
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traces = combine_collections_via_median(collections).traces
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if not traces:
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raise RuntimeError("Matrix radar capture returned no traces")
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else:
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traces = [combine_traces_via_median([
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select_trace_for_combo(radar.acquire_collection(combo=ComboKey(combo.input, combo.output)), combo)
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for _ in range(self._median_sweep_count)])]
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else:
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traces = [capture_single_radar_combo(cast(SingleRadarService, self._radar),
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combo, self._median_sweep_count)]
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pending[variant.radar_key] = traces
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for key, traces in pending.items():
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self._traces[key].extend(traces)
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batch = CaptureBatch(combo, tuple(traces[-1] for traces in pending.values()))
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self._batches.append(batch)
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return batch
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def undo_last_capture(self) -> None:
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if not self._opened or not self._batches:
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raise RuntimeError("No captured combo is available to undo")
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for traces in self._traces.values():
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del traces[-(len(self._combos) if self._full_matrix else 1):]
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self._batches.pop()
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def last_captured_trace(self) -> TraceData | None:
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return self._batches[-1].display_trace if self._batches else None
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def captured_batches(self) -> list[CaptureBatch]:
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return list(self._batches)
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def finalize(self, store: NpzStore) -> list[SavedCaptureSet]:
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if not self.is_complete():
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raise RuntimeError("Capture session is not complete")
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capture_start_ns, capture_end_ns = trace_capture_window(self._traces)
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collection = SweepCollection(
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collection_id=1,
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monotonic_ns=time.monotonic_ns(),
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traces=list(self._traces),
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capture_start_ns=capture_start_ns,
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capture_end_ns=capture_end_ns,
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)
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radar_key = radar_key_from_config(
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model_name=self._config.radar.model,
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serial=self._config.radar.serial,
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sweep_start_hz=self._config.radar.sweep.start_hz,
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sweep_stop_hz=self._config.radar.sweep.stop_hz,
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sweep_points=self._config.radar.sweep.points,
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ifbw_hz=self._config.radar.sweep.if_bandwidth_hz,
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power_dbm=self._config.radar.sweep.power_dbm,
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extra_serials=self._config.radar_key_extra_parts() or None,
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)
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store.save_set(self._kind, radar_key, self._set_name, collection)
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logger.info(
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"Finalized capture set kind=%s set=%s radar_key=%s traces=%d",
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self._kind,
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self._set_name,
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radar_key,
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len(collection.traces),
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)
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return radar_key, collection
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def _current_combo(self) -> ComboModel | None:
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"""Return next combo to capture, or `None` if session is complete."""
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if self._next_index >= len(self._combos):
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return None
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return self._combos[self._next_index]
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saved = []
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for variant in self._variants:
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traces = list(self._traces[variant.radar_key])
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start, end = trace_capture_window(traces)
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collection = SweepCollection(1, time.monotonic_ns(), traces, start, end)
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store.save_set(self.kind, variant.radar_key, self.set_name, collection)
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saved.append(SavedCaptureSet(variant.display_name, variant.radar_key, collection))
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return saved
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def capture_single_radar_combo(
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radar: SingleRadarService, combo: ComboModel, median_sweep_count: int,
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) -> TraceData:
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"""Capture the selected antenna, discarding buffered data from the previous one."""
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set_active_combo = getattr(radar, "set_active_combo", None)
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if callable(set_active_combo):
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set_active_combo(ComboKey(combo.input, combo.output))
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# Streaming Kamil sweeps may predate or straddle the switch transition.
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drain_after_switch = getattr(radar, "drain_after_switch", None)
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if callable(drain_after_switch):
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drain_after_switch()
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def capture_single_radar_combo(radar: SingleRadarService, combo: ComboModel, count: int) -> TraceData:
|
||||
radar.prepare_combo(ComboKey(combo.input, combo.output))
|
||||
traces = []
|
||||
for _ in range(median_sweep_count):
|
||||
sweep_start_ns = time.monotonic_ns()
|
||||
for _ in range(count):
|
||||
start = time.monotonic_ns()
|
||||
sweep = radar.acquire()
|
||||
traces.append(TraceData(
|
||||
combo=ComboKey(combo.input, combo.output),
|
||||
frequency_hz=np.asarray(sweep.x, dtype=np.float32),
|
||||
s11=np.asarray(sweep.trace("s11"), dtype=np.complex64),
|
||||
s21=np.asarray(sweep.trace("s21"), dtype=np.complex64),
|
||||
capture_start_ns=sweep.capture_start_ns or sweep_start_ns,
|
||||
capture_end_ns=sweep.capture_end_ns or time.monotonic_ns(),
|
||||
ComboKey(combo.input, combo.output), np.asarray(sweep.x, dtype=np.float32),
|
||||
np.asarray(sweep.trace("s21"), dtype=np.complex64),
|
||||
sweep.capture_start_ns or start, sweep.capture_end_ns or time.monotonic_ns(),
|
||||
))
|
||||
return combine_traces_via_median(traces)
|
||||
|
||||
|
||||
def acquire_matrix_combo_collection(
|
||||
radar: MatrixRadarService,
|
||||
combo: ComboModel,
|
||||
collection_id: int = 1,
|
||||
) -> SweepCollection:
|
||||
"""Acquire the smallest matrix collection that contains one combo.
|
||||
|
||||
A switch-widened matrix radar (``SwitchedMatrixRadarService``) can acquire just
|
||||
the physical switch step carrying the combo, which is several times faster than
|
||||
the full matrix and keeps the per-combo capture UI responsive. Plain matrix
|
||||
radars expose only full-matrix acquisition, so they fall back to it.
|
||||
"""
|
||||
acquire_combo = getattr(radar, "acquire_combo_collection", None)
|
||||
if callable(acquire_combo):
|
||||
collection = cast(SweepCollection, acquire_combo(
|
||||
input_pos=int(combo.input),
|
||||
output_pos=int(combo.output),
|
||||
collection_id=collection_id,
|
||||
))
|
||||
else:
|
||||
collection = radar.acquire_collection(collection_id=collection_id)
|
||||
if not collection.traces:
|
||||
raise RuntimeError("Matrix radar capture returned no traces")
|
||||
return collection
|
||||
|
||||
|
||||
def select_trace_for_combo(collection: SweepCollection, combo: ComboModel) -> TraceData:
|
||||
"""Return the trace matching a virtual combo from a full multi-device capture."""
|
||||
for trace in collection.traces:
|
||||
if (
|
||||
int(trace.combo.input) == int(combo.input)
|
||||
and int(trace.combo.output) == int(combo.output)
|
||||
):
|
||||
if trace.combo == ComboKey(combo.input, combo.output):
|
||||
return trace
|
||||
raise RuntimeError(f"Multi-device capture is missing trace for input={combo.input}, output={combo.output}")
|
||||
|
||||
|
||||
def combine_traces_via_median(traces: list[TraceData]) -> TraceData:
|
||||
"""Return one trace whose S11/S21 are the per-point median of the inputs.
|
||||
"""Return one trace whose S21 is the per-point median of the inputs.
|
||||
|
||||
A single-element input is returned unchanged. With multiple inputs, the real
|
||||
and imaginary parts of each complex sample are medianed independently so a
|
||||
@@ -392,11 +243,7 @@ def combine_traces_via_median(traces: list[TraceData]) -> TraceData:
|
||||
if not np.array_equal(trace.frequency_hz, first.frequency_hz):
|
||||
raise RuntimeError(f"Median combine frequency-axis mismatch at sweep {index}")
|
||||
|
||||
s11_stack = np.stack([np.asarray(t.s11, dtype=np.complex64) for t in traces], axis=0)
|
||||
s21_stack = np.stack([np.asarray(t.s21, dtype=np.complex64) for t in traces], axis=0)
|
||||
s11_median = (
|
||||
np.median(s11_stack.real, axis=0) + 1j * np.median(s11_stack.imag, axis=0)
|
||||
).astype(np.complex64)
|
||||
s21_median = (
|
||||
np.median(s21_stack.real, axis=0) + 1j * np.median(s21_stack.imag, axis=0)
|
||||
).astype(np.complex64)
|
||||
@@ -405,7 +252,6 @@ def combine_traces_via_median(traces: list[TraceData]) -> TraceData:
|
||||
return TraceData(
|
||||
combo=ComboKey(input=int(combo.input), output=int(combo.output)),
|
||||
frequency_hz=np.asarray(first.frequency_hz, dtype=np.float32),
|
||||
s11=s11_median,
|
||||
s21=s21_median,
|
||||
capture_start_ns=capture_start_ns,
|
||||
capture_end_ns=capture_end_ns,
|
||||
|
||||
Reference in New Issue
Block a user