93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
"""Raw acquisition producer for matrix-mode radars (LibreVNA multi-device, SN9000)."""
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from __future__ import annotations
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import argparse
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import logging
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from pathlib import Path
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import signal
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import threading
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import time
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from python_app.hardware_full.matrix_radar_service import create_matrix_radar_service
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from python_app.models.run_config_model import RunConfigModel
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from python_app.orchestration.shm import ShmRingWriter
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from python_app.storage.npz.serialize import RAW_MAGIC, serialize_trace_collection
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logger = logging.getLogger(__name__)
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def main() -> int:
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"""Run producer process until config or signal requests exit."""
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parser = argparse.ArgumentParser(description="Publish matrix-radar raw sweeps to SHM rings")
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parser.add_argument("--config", required=True, type=Path, help="Path to run_config.json")
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args = parser.parse_args()
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logging.basicConfig(level=logging.INFO, format="%(levelname)s %(name)s: %(message)s")
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stop_requested = threading.Event()
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def request_stop(_signum: int, _frame: object) -> None:
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stop_requested.set()
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signal.signal(signal.SIGINT, request_stop)
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signal.signal(signal.SIGTERM, request_stop)
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config = RunConfigModel.load_from_path(args.config)
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config.apply_device_model_constraints()
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if not config.is_matrix_radar:
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raise RuntimeError(
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"matrix_raw_producer requires a matrix-mode radar.model "
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"(librevna_multi or sn9000)"
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)
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raw_writer = ShmRingWriter(
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config.rings.raw.name,
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config.rings.raw.capacity,
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config.rings.raw.slot_size_bytes,
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)
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raw_tap_writer = ShmRingWriter(
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config.rings.raw_tap.name,
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config.rings.raw_tap.capacity,
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config.rings.raw_tap.slot_size_bytes,
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)
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radar = create_matrix_radar_service(config)
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try:
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radar.open()
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radar.configure(config.radar.sweep)
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collection_id = 1
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while not stop_requested.is_set():
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collection_start = time.monotonic()
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collection = radar.acquire_collection(collection_id=collection_id)
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payload = serialize_trace_collection(collection, RAW_MAGIC)
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if not raw_writer.push(payload):
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raise RuntimeError(
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f"Raw payload size {len(payload)} exceeds ring slot size {raw_writer.slot_size_bytes}"
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)
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if not raw_tap_writer.push(payload):
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raise RuntimeError(
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f"Raw tap payload size {len(payload)} exceeds ring slot size {raw_tap_writer.slot_size_bytes}"
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)
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if not config.runtime.continuous:
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break
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collection_duration_s = time.monotonic() - collection_start
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if collection_id == 1 or collection_id % 20 == 0 or collection_duration_s > 2.0:
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logger.info(
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"matrix radar collection %d acquired in %.3f s",
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collection_id,
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collection_duration_s,
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)
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collection_id += 1
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finally:
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radar.close()
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raw_tap_writer.close()
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raw_writer.close()
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logger.info("matrix radar raw producer stopped")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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