Add shared waveform processing, generation and firmware image support

python/examples/plot_processing.py

@@ -0,0 +1,27 @@
+"""Sparse sine reconstruction using the public contract, independent of a GUI."""
+import argparse
+import math
+from pathlib import Path
+
+from set_devices.plot_processing import Axis, Series, Snapshot, prepare, process, write_csv
+from set_devices.signal_reconstruction import METHODS
+
+
+def main():
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("--method", choices=METHODS, default="spline")
+    parser.add_argument("--degree", type=int, default=3)
+    parser.add_argument("--points", type=int, default=201)
+    parser.add_argument("--output", type=Path, default=Path("curve.csv"))
+    args = parser.parse_args()
+    samples = [(i * 125, math.sin(i * math.pi / 4)) for i in range(9)]
+    snapshot = Snapshot((Series("sine", "Синусоида: 9 отсчётов", samples, y_unit="В"),),
+                        Axis("Время", "мс"), "sparse-sine")
+    curve = process(prepare(snapshot, "sine", args.method, args.points, args.degree))
+    with args.output.open("w", encoding="utf-8-sig", newline="") as stream:
+        write_csv(curve, stream)
+    print(f"{args.output}: {curve.input_count} -> {len(curve.points)}; RMSE={curve.rmse:.6g}")
+
+
+if __name__ == "__main__":
+    main()