doublesidedpinlabel for pinrow

Author: ShiboSoftwareDev

src/fn/pinrow.ts

@@ -32,6 +32,11 @@ export const pinrow_def = z
       .optional()
       .default(false)
       .describe("do not use rectangular pad for pin 1"),
+    doublesidedpinlabel: z
+      .boolean()
+      .optional()
+      .default(false)
+      .describe("add silkscreen pins in top and bottom layers"),
   })
   .transform((data) => {
     const pinlabelAnchorSide = determinePinlabelAnchorSide(data)
@@ -68,6 +73,7 @@ export const pinrow = (
     pinlabelorthogonal,
     pinlabeltextalignleft,
     pinlabeltextalignright,
+    doublesidedpinlabel,
   } = parameters
   let pinlabelTextAlign: "center" | "left" | "right" = "center"
   if (pinlabeltextalignleft) pinlabelTextAlign = "left"
@@ -133,8 +139,24 @@ export const pinrow = (
         textalign: pinlabelTextAlign,
         orthogonal: pinlabelorthogonal,
         verticallyinverted: pinlabelverticallyinverted,
+        layer: "top",
       }),
     )
+    if (doublesidedpinlabel) {
+      holes.push(
+        silkscreenPin({
+          fs: od / 5,
+          pn: pinNumber,
+          anchor_x,
+          anchor_y,
+          anchorplacement: pinlabelAnchorSide,
+          textalign: pinlabelTextAlign,
+          orthogonal: pinlabelorthogonal,
+          verticallyinverted: pinlabelverticallyinverted,
+          layer: "bottom",
+        }),
+      )
+    }
   }
 
   // Track used positions to prevent overlaps

src/footprinter.ts

@@ -77,6 +77,7 @@ export type Footprinter = {
     | "pinlabelverticallyinverted"
     | "pinlabelorthogonal"
     | "nosquareplating"
+    | "doublesidedpinlabel"
   >
   axial: () => FootprinterParamsBuilder<"p" | "id" | "od">
   hc49: () => FootprinterParamsBuilder<"p" | "id" | "od" | "w" | "h">

src/helpers/silkscreenPin.ts

@@ -1,4 +1,4 @@
-import type { PcbSilkscreenText } from "circuit-json"
+import type { LayerRef, PcbSilkscreenText } from "circuit-json"
 
 type TextAlignType = "left" | "center" | "right"
 type AnchorPlacementType = "top" | "bottom" | "left" | "right"
@@ -13,6 +13,7 @@ export const silkscreenPin = ({
   textalign = "center",
   orthogonal = false,
   verticallyinverted = false,
+  layer = "top",
 }: {
   fs: number
   pn: number
@@ -22,6 +23,7 @@ export const silkscreenPin = ({
   anchorplacement?: AnchorPlacementType
   orthogonal?: boolean
   verticallyinverted?: boolean
+  layer?: LayerRef
 }): PcbSilkscreenText => {
   let ccw_rotation: RotationType = 0
   if (orthogonal && verticallyinverted) {
@@ -44,14 +46,22 @@ export const silkscreenPin = ({
     else anchor_alignment = "center_right"
   }
 
+  if (layer === "bottom") {
+    if (anchor_alignment === "center_left") {
+      anchor_alignment = "center_right"
+    } else if (anchor_alignment === "center_right") {
+      anchor_alignment = "center_left"
+    }
+  }
+
   return {
     type: "pcb_silkscreen_text",
     pcb_silkscreen_text_id: "silkscreen_text_1",
     font: "tscircuit2024",
     font_size: fs,
     pcb_component_id: "pcb_component_1",
     text: `{PIN${pn}}`,
-    layer: "top",
+    layer: layer,
     anchor_position: { x: anchor_x, y: anchor_y },
     anchor_alignment: anchor_alignment,
     ccw_rotation: ccw_rotation,

tests/__snapshots__/pinrow5_doublesidedpinlabel.snap.svg

@@ -159,3 +159,17 @@ for (const textAlign of textAlignments) {
     }
   }
 }
+
+test("pinrow5_doublesidedpinlabel", () => {
+  const def = "pinrow5_doublesidedpinlabel"
+  const soup = fp.string(def).circuitJson()
+  const svgContent = convertCircuitJsonToPcbSvg(soup)
+
+  const pinrowJson = fp.string(def).json() as any
+  expect(pinrowJson.doublesidedpinlabel).toBe(true)
+
+  expect(svgContent).toMatchSvgSnapshot(
+    import.meta.path,
+    "pinrow5_doublesidedpinlabel",
+  )
+})