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radar_system/python_app/models/run_config_schema.py
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2026-10-08 16:24:01 +03:00

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Python

"""Dataclass schema for runtime configuration used by Python pipeline tools."""
from __future__ import annotations
from dataclasses import asdict, dataclass, field
import hashlib
import json
import logging
from pathlib import Path
from typing import Any
from python_app.file_io import sanitize_path_component
logger = logging.getLogger(__name__)
MAX_COMBOS = 4096
@dataclass(slots=True)
class ComboModel:
"""One switch combination used for an acquisition sweep."""
input: int
output: int
@dataclass(slots=True)
class RadarSweepModel:
"""Sweep settings for LibreVNA acquisition."""
# A valid default range (stop > start) so a bare/default config is self-consistent;
# operational values come from run_config.json. (1 MHz .. 6 GHz mirrors the real configs.)
start_hz: float = 1_000_000.0
stop_hz: float = 6_000_000_000.0
points: int = 1
if_bandwidth_hz: float = 1.0
power_dbm: float = -30.0
# Extra per-stage settling requested from the device, on top of its own PLL
# settling delay (60 us by default). With per-point stimulus switching this is the
# window the switch controller has to move the switch between stages.
dwell_us: int = 0
@dataclass(slots=True)
class RadarMultiDeviceModel:
"""Multi-device LibreVNA topology settings."""
slave_serials: list[str] = field(default_factory=list)
force_external_reference: bool = False
recovery_attempts: int = 3
output_switch_positions: int = 1 # 1 = свитча нет
input_switch_positions: int = 1 # 1 = свитча нет
# Positions of the stimulus switch stepped through WITHIN one frequency point,
# driven by the controller in the hardware trigger loop rather than by this host.
# 1 = выключено (стоковое поведение). Требует доработанного битстрима мастера.
stimulus_switch_positions: int = 1
@dataclass(slots=True)
class RphRadarPhaseCalibrationModel:
"""Affine law mapping the reference signal's unwrapped phase to frequency.
Two fixed anchor points ``(phase0_rad, freq0_hz)`` and ``(phase1_rad, freq1_hz)``
define ``f(phase) = freq0_hz + (phase - phase0_rad) * (freq1_hz - freq0_hz)
/ (phase1_rad - phase0_rad)``, applied to the *absolute* unwrapped phase of
every sweep. These are physical constants of the reference arm and must be
supplied by config — never derived from a live sweep.
"""
phase0_rad: float = 0.0
freq0_hz: float = 2_046_000_000.0
phase1_rad: float = 300.0
freq1_hz: float = 5_612_000_000.0
@dataclass(slots=True)
class RphRadarBandModel:
"""Fixed frequency window every sweep is cropped to and resampled onto.
Each sweep is resampled onto ``linspace(start_hz, stop_hz, points)`` so all
sweeps share one identical axis and can be averaged/subtracted. The window
must lie inside the (floating) range each sweep actually covers; sweeps that
fail to cover it are rejected rather than edge-extrapolated.
"""
start_hz: float = 2_100_000_000.0
stop_hz: float = 5_500_000_000.0
points: int = 2048
@dataclass(slots=True)
class RphRadarModel:
"""RadioPhotonic radar (RPH) acquisition: E-502 collector process or RFG board UDP stream."""
# "e502": the C++ collector streams over tty_path (project_dir..stop_timeout_s are its
# settings); "rfg_udp": the RFG ADC board sends averaged sweep points to udp_bind.
source: str = "e502"
udp_bind: str = "0.0.0.0:5000"
project_dir: str = ""
executable_path: str = ""
tty_path: str = ""
args: list[str] = field(default_factory=list)
env: dict[str, str] = field(default_factory=dict)
startup_timeout_s: float = 5.0
sweep_timeout_s: float = 5.0
stop_timeout_s: float = 2.0
phase_calibration: RphRadarPhaseCalibrationModel = field(
default_factory=RphRadarPhaseCalibrationModel
)
band: RphRadarBandModel = field(default_factory=RphRadarBandModel)
@dataclass(slots=True)
class LaserManualModeModel:
"""Manual laser-control setpoints (defaults: the lab GUI, RadioPhotonic_PCB_PC_software)."""
temp1: float = 24.0
temp2: float = 24.9
current1: float = 97.3
current2: float = 102.0
@dataclass(slots=True)
class LaserVariationModeModel:
"""Laser-control variation task parameters."""
variation_type: str = "CHANGE_CURRENT_LD1"
static_temp1: float = 24.0
static_temp2: float = 24.9
static_current1: float = 97.3
static_current2: float = 102.0
min_value: float = 97.3
max_value: float = 107.0
step: float = 0.05
time_step: int = 50
delay_time: int = 10
@dataclass(slots=True)
class LaserControlModel:
"""Laser-control board settings applied before RadioPhotonic radar (RPH) acquisition."""
enabled: bool = False
port: str = ""
mode: str = "manual"
pi_coeff1_p: int = 1280
pi_coeff1_i: int = 25
pi_coeff2_p: int = 1280
pi_coeff2_i: int = 179
manual: LaserManualModeModel = field(default_factory=LaserManualModeModel)
variation: LaserVariationModeModel = field(default_factory=LaserVariationModeModel)
@dataclass(slots=True)
class RadarModel:
"""Radar section of run configuration."""
model: str = "librevna"
serial: str = ""
driver_mode: str = "mock"
sweep: RadarSweepModel = field(default_factory=RadarSweepModel)
multi_device: RadarMultiDeviceModel = field(default_factory=RadarMultiDeviceModel)
rph_radar: RphRadarModel = field(default_factory=RphRadarModel)
laser_control: LaserControlModel = field(default_factory=LaserControlModel)
@dataclass(slots=True)
class SwitchModel:
"""Generic switch section of run configuration."""
name: str
driver_mode: str = "mock"
radar_port: int = 0
positions: int = 1
default_position: int = 0
gpio_chip: str = ""
pin_a: int = -1
pin_b: int = -1
@dataclass(slots=True)
class ControlButtonModel:
"""Physical GPIO push-button that triggers a runtime action on press.
Default wiring: the button sits between the GPIO line and GND with the
internal pull-up enabled, so the line idles high and a press drives it low
(``active_low``). The watcher reacts to the press edge only, so one push
yields one action. Disabled by default so non-Pi hosts never touch GPIO.
"""
ACTION_CAPTURE_TMP_REFERENCE = "capture_tmp_reference"
enabled: bool = False
gpio_chip: str = "/dev/gpiochip0"
pin: int = -1
active_low: bool = True
bias: str = ""
debounce_ms: int = 50
action: str = ACTION_CAPTURE_TMP_REFERENCE
@dataclass(slots=True)
class RingEndpointModel:
"""Shared-memory ring endpoint description."""
name: str
capacity: int = 1
slot_size_bytes: int = 4096
@dataclass(slots=True)
class RingsModel:
"""Ring endpoints used by orchestration pipeline."""
raw: RingEndpointModel = field(default_factory=lambda: RingEndpointModel(name=""))
raw_tap: RingEndpointModel = field(default_factory=lambda: RingEndpointModel(name=""))
preprocessed: RingEndpointModel = field(default_factory=lambda: RingEndpointModel(name=""))
preprocessed_tap: RingEndpointModel = field(default_factory=lambda: RingEndpointModel(name=""))
results: RingEndpointModel = field(default_factory=lambda: RingEndpointModel(name=""))
@dataclass(slots=True)
class LocatorServerRuntimeModel:
"""Embedded locator TCP server configuration stored in run config."""
device_id: int = 3
protocol_version: int = 1
host: str = "0.0.0.0"
port: int = 8888
max_payload_bytes: int = 64 * 1024
client_queue_size: int = 32
logger_name: str = "locator_runtime"
@dataclass(slots=True)
class RuntimeModel:
"""Runtime process behavior and paths."""
settling_ms: int = 0
idle_sleep_ms: int = 2
continuous: bool = False
processing_live_config_path: str = ""
locator_server: LocatorServerRuntimeModel = field(default_factory=LocatorServerRuntimeModel)
@dataclass(slots=True)
class PreprocessAssetModel:
"""One preprocessing asset selected for live acquisition."""
set_name: str = ""
bundle_path: str = ""
@dataclass(slots=True)
class S21PreprocessModel:
"""Two-port S21 preprocessing assets."""
calibration: PreprocessAssetModel = field(default_factory=PreprocessAssetModel)
reference: PreprocessAssetModel = field(default_factory=PreprocessAssetModel)
object_calibration: PreprocessAssetModel = field(default_factory=PreprocessAssetModel)
@dataclass(slots=True)
class PreprocessNotchModel:
"""Optional frequency-domain notch filter applied after calibration and reference subtraction."""
enabled: bool = False
bands_hz: list[tuple[float, float]] = field(default_factory=list)
taper_width_hz: float = 40_000_000.0
taper_type: str = "cosine"
@dataclass(slots=True)
class PreprocessModel:
"""Selected preprocessing artifacts for live acquisition."""
s21: S21PreprocessModel = field(default_factory=S21PreprocessModel)
notch: PreprocessNotchModel = field(default_factory=PreprocessNotchModel)
@dataclass(slots=True)
class GprTxGeometryModel:
"""One transmitter geometry record keyed by output switch position.
y_m / z_m default to 0 so 1D antenna layouts keep their pre-3D semantics.
"""
output_pos: int = 0
x_m: float = 0.0
y_m: float = 0.0
z_m: float = 0.0
@dataclass(slots=True)
class GprRxGeometryModel:
"""One receiver geometry record keyed by input switch position."""
input_pos: int = 0
x_m: float = 0.0
y_m: float = 0.0
z_m: float = 0.0
@dataclass(slots=True)
class GprModel:
"""Stable GPR configuration saved in run_config.json."""
tx_geometry: list[GprTxGeometryModel] = field(default_factory=list)
rx_geometry: list[GprRxGeometryModel] = field(default_factory=list)
@dataclass(slots=True)
class LoggingModel:
"""Application logging settings shared by the GUI and headless daemon.
``level`` is the verbosity floor (one of DEBUG/INFO/WARNING/ERROR, case-insensitive);
it is chosen from the UI log-level selector, applied to the ``python_app`` logger at
startup, and persisted here so the same verbosity is restored on the next run.
"""
level: str = "info"
@dataclass(slots=True)
class RunConfigModel:
"""Top-level runtime config model consumed by C++ processes and GUI."""
radar: RadarModel = field(default_factory=RadarModel)
input_switch: SwitchModel = field(default_factory=lambda: SwitchModel(name=""))
output_switch: SwitchModel = field(default_factory=lambda: SwitchModel(name=""))
rings: RingsModel = field(default_factory=RingsModel)
runtime: RuntimeModel = field(default_factory=RuntimeModel)
preprocess: PreprocessModel = field(default_factory=PreprocessModel)
gpr: GprModel = field(default_factory=GprModel)
combos: list[ComboModel] = field(default_factory=list)
control_button: ControlButtonModel = field(default_factory=ControlButtonModel)
logging: LoggingModel = field(default_factory=LoggingModel)
LIBREVNA_MODEL = "librevna"
LIBREVNA_MULTI_MODEL = "librevna_multi"
RPH_RADAR_MODEL = "rph_radar"
MULTI_DEVICE_INPUT_POSITIONS = 4
MULTI_DEVICE_OUTPUT_POSITIONS = 2
# Stimulus ports the master itself owns. The virtual output axis is this times the
# per-point stimulus switch positions, so it equals MULTI_DEVICE_OUTPUT_POSITIONS
# unless per-point switching is enabled.
MULTI_DEVICE_MASTER_PORTS = 2
@staticmethod
def build_full_combos(input_positions: int, output_positions: int) -> list[ComboModel]:
"""Build full Cartesian product of input/output switch positions."""
if any(isinstance(value, bool) or not isinstance(value, int) or value <= 0
for value in (input_positions, output_positions)):
raise ValueError("Switch positions must be positive integers")
if input_positions * output_positions > MAX_COMBOS:
raise ValueError(f"Too many combos: limit is {MAX_COMBOS}")
return [
ComboModel(input=input_pos, output=output_pos)
for output_pos in range(output_positions)
for input_pos in range(input_positions)
]
@property
def is_multi_device(self) -> bool:
"""Return whether this config targets synchronized multi-device acquisition."""
return self.radar.model == self.LIBREVNA_MULTI_MODEL
@property
def matrix_output_switch_positions(self) -> int:
"""Physical positions of the real switch on the master stimulus path."""
if not self.is_multi_device:
return 1
return max(1, int(self.radar.multi_device.output_switch_positions))
@property
def matrix_input_switch_positions(self) -> int:
"""Physical positions of the real switch on the slave receiver path."""
if not self.is_multi_device:
return 1
return max(1, int(self.radar.multi_device.input_switch_positions))
@property
def matrix_stimulus_switch_positions(self) -> int:
"""Positions the stimulus switch steps through inside one frequency point."""
if not self.is_multi_device:
return 1
return max(1, int(self.radar.multi_device.stimulus_switch_positions))
@property
def matrix_virtual_output_positions(self) -> int:
"""Virtual output axis size produced by one acquisition.
Per-point stimulus switching multiplies the master's own ports, because each
port is measured once per switch position at every frequency — so those extra
outputs cost no extra sweep and are NOT driven by this host.
"""
if not self.is_multi_device:
return self.MULTI_DEVICE_OUTPUT_POSITIONS
return self.MULTI_DEVICE_MASTER_PORTS * self.matrix_stimulus_switch_positions
def build_runtime_combos(self) -> list[ComboModel]:
"""Build the combo matrix from the effective switch axis sizes."""
return self.build_full_combos(self.input_switch.positions, self.output_switch.positions)
@property
def is_rph_radar(self) -> bool:
"""Return whether this config targets the external RadioPhotonic radar (RPH) acquisition path."""
return self.radar.model == self.RPH_RADAR_MODEL
def radar_key(self) -> str:
"""Stable hardware/sweep identity used to find saved preprocess sets."""
radar, sweep = self.radar, self.radar.sweep
if self.is_rph_radar:
laser = radar.laser_control
mode = laser.mode.strip().lower()
optical = asdict(laser.variation if mode == "variation" else laser.manual)
rph = radar.rph_radar
# The RFG source always runs the profile's sweep (its length and step timing), even when
# the laser is started elsewhere; E-502 keys stay as they were before the source field.
rfg = rph.source == "rfg_udp"
physical = (asdict(rph.band), asdict(rph.phase_calibration), rph.source if rfg else rph.args,
(self.input_switch.positions, self.output_switch.positions),
(mode, optical, laser.pi_coeff1_p, laser.pi_coeff1_i,
laser.pi_coeff2_p, laser.pi_coeff2_i) if laser.enabled or rfg else None)
digest = hashlib.sha256(json.dumps(physical, sort_keys=True).encode()).hexdigest()[:16]
return f"{radar.model}_{digest}"
serials = [radar.serial or "no_serial"]
if self.is_multi_device:
serials.extend(value.strip() or "no_serial" for value in radar.multi_device.slave_serials)
serial = "_".join(sanitize_path_component(value) for value in serials)
points = str(int(sweep.points))
# Switch positions decide what each combo index means, so sets from another matrix never match.
matrix = (f"_out{self.matrix_output_switch_positions}_in{self.matrix_input_switch_positions}"
f"_stim{self.matrix_stimulus_switch_positions}") if self.is_multi_device else ""
return (
f"{radar.model}_{serial}"
f"_st{_format_float_for_key(sweep.start_hz)}_sp{_format_float_for_key(sweep.stop_hz)}"
f"_p{points}_if{_format_float_for_key(sweep.if_bandwidth_hz)}"
f"_pw{_format_float_for_key(sweep.power_dbm)}{matrix}"
)
def apply_device_model_constraints(self) -> None:
"""Apply only required wire-format constraints for the selected device model."""
if not self.is_multi_device:
return
self._apply_matrix_virtual_switches()
self.combos = self.build_runtime_combos()
def _apply_matrix_virtual_switches(self) -> None:
"""Pin the virtual switch matrix, widened by any real switch on the path."""
out_physical = self.matrix_output_switch_positions
in_physical = self.matrix_input_switch_positions
self.output_switch.name = self.output_switch.name or "virtual_output"
self.output_switch.driver_mode = "mock"
self.output_switch.radar_port = 1
self.output_switch.positions = out_physical * self.matrix_virtual_output_positions
self.output_switch.default_position = 0
self.input_switch.name = self.input_switch.name or "virtual_input"
self.input_switch.driver_mode = "mock"
self.input_switch.radar_port = 2
self.input_switch.positions = in_physical * self.MULTI_DEVICE_INPUT_POSITIONS
self.input_switch.default_position = 0
def ensure_combos(self) -> None:
"""Populate combos with full matrix when no explicit run combos are set."""
if self.is_multi_device:
self.apply_device_model_constraints()
return
if self.combos:
return
self.combos = self.build_full_combos(self.input_switch.positions, self.output_switch.positions)
@classmethod
def from_dict(cls, payload: object) -> RunConfigModel:
"""Build model from JSON-like payload using codec layer."""
from python_app.models.run_config_codec import run_config_from_dict
return run_config_from_dict(payload)
@classmethod
def load_from_path(cls, path: Path) -> RunConfigModel:
"""Load a JSON file from disk and decode it into a model.
Raises ValueError when the file's JSON root is not an object.
"""
logger.debug("Loading run config from %s", path)
payload = json.loads(path.read_text(encoding="utf-8"))
if not isinstance(payload, dict):
raise ValueError(f"Config root must be JSON object: {path}")
return cls.from_dict(payload)
def clone(self) -> RunConfigModel:
"""Create deep copy through codec round-trip."""
return RunConfigModel.from_dict(self.to_dict())
def to_dict(self) -> dict[str, Any]:
"""Encode model into JSON-serializable dictionary."""
from python_app.models.run_config_codec import run_config_to_dict
return run_config_to_dict(self)
def _format_float_for_key(value: float) -> str:
"""Format float compactly for deterministic key serialization."""
integer = int(round(value))
if abs(value - float(integer)) < 1e-6:
return str(integer)
return f"{value:.6f}".rstrip("0").rstrip(".")