seveibar/nema17-stepper-motor-driver-tmc2209-usb-pd

scripts/route.ts

import { AutoroutingPipelineSolver7_MultiGraph } from "@tscircuit/capacity-autorouter";
import { readFileSync, writeFileSync } from "node:fs";
const path = process.argv[2] ?? "routing/input.simple-route.json";
const input = JSON.parse(readFileSync(path, "utf8"));
const solver = new AutoroutingPipelineSolver7_MultiGraph(input, {effort: 2});
// The pinned TraceSimplificationSolver ignores its declared iterations option.
// Use its public loop limit before its first step. This preserves the routed
// geometry; the downstream width and both DRC repair passes remain enabled.
let phase = "";
while (!solver.solved && !solver.failed) {
  if (solver.traceSimplificationSolver) {
    solver.traceSimplificationSolver.MAX_SIMPLIFICATION_PIPELINE_LOOPS = 0;
    if (solver.traceSimplificationSolver.simplificationPipelineLoops !== 0) {
      throw new Error("Simplifier ran before bypass was installed");
    }
  }
  solver.step();
  const next = solver.getCurrentPhase();
  if (next !== phase) { console.log(next); phase = next; }
}
if (solver.failed) throw new Error(solver.error ?? "Routing failed");
writeFileSync("routing/route-plan.json", JSON.stringify({
  expectedInput: input,
  traces: solver.getOutputSimplifiedPcbTraces(),
}, null, 2));
console.log("Saved candidate routes. Run build and inspect unfiltered DRC.");