shibosoftwaredev/f1c100s-linux-nema17-stepper-controller

assembly-stencil.ts

import type { PcbSmtPad, PcbSolderPaste } from "circuit-json"
type RoundedPaste = Extract<PcbSolderPaste, { shape: "pill" | "rotated_pill" }>

/** The pinned core creates rounded lands without their paste. Generate the
 * missing apertures from final board-coordinate pads, not JSX coordinates.
 * Keep the same 0.7 linear reduction used by core for other signal lands.
 * This supplies artwork; it does not approve stencil thickness or reflow.
 */
export function roundedPadPaste(pad: PcbSmtPad): RoundedPaste | undefined {
  if (pad.is_covered_with_solder_mask ||
      (pad.shape !== "pill" && pad.shape !== "rotated_pill")) return
  return {
    type: "pcb_solder_paste",
    pcb_solder_paste_id: `assembly_paste_${pad.pcb_smtpad_id}`,
    pcb_smtpad_id: pad.pcb_smtpad_id,
    pcb_component_id: pad.pcb_component_id,
    pcb_group_id: pad.pcb_group_id,
    subcircuit_id: pad.subcircuit_id,
    layer: pad.layer,
    shape: pad.shape,
    x: pad.x,
    y: pad.y,
    width: pad.width * .7,
    height: pad.height * .7,
    radius: pad.radius * .7,
    ...(pad.shape === "rotated_pill" ? { ccw_rotation: pad.ccw_rotation } : {}),
  } as RoundedPaste
}

export function applyMissingRoundedPaste(db: any) {
  const present = new Set(db.pcb_solder_paste.list().map((p: PcbSolderPaste) => p.pcb_smtpad_id))
  for (const pad of db.pcb_smtpad.list()) {
    const pcb = db.pcb_component.get(pad.pcb_component_id)
    const source = pcb && db.source_component.get(pcb.source_component_id)
    if (!pcb || pcb.do_not_place || source?.ftype === "simple_test_point" ||
        present.has(pad.pcb_smtpad_id)) continue
    const paste = roundedPadPaste(pad)
    if (paste) {
      db.pcb_solder_paste.insert(paste)
      present.add(pad.pcb_smtpad_id)
    }
  }
}