0hmX/am3352

scripts/check-preview-pours.ts

import assert from 'node:assert/strict'
import {readFileSync} from 'node:fs'
import {AM3352_PLANE_DROPS} from '../src/layout'
import {AM3352_PINS} from '../src/pin-map'
import {FIXED_SUPPLY_DROPS} from '../src/fixed-supply-drops'
import {decouplingCaps} from '../src/DecouplingNetwork'
import {getAM3352TracePaths} from '../src/saved-paths'
import{assertLayoutProfile,getAM3352PowerPlanes}from'../src/profiles'
const profile=process.argv[2]??'native'
assertLayoutProfile(profile)
const powerPlanes=getAM3352PowerPlanes(profile)
const am3352TracePaths=getAM3352TracePaths(profile)
const json=JSON.parse(readFileSync(`src/generated/${profile}.circuit.json`,'utf8'))
const inRing=(x:number,y:number,vertices:{x:number,y:number}[])=>{
 let inside=false
 for(let i=0,j=vertices.length-1;i<vertices.length;j=i++){
  const a=vertices[i]!,b=vertices[j]!
  if((a.y>y)!==(b.y>y)&&x<(b.x-a.x)*(y-a.y)/(b.y-a.y)+a.x)inside=!inside
 }
 return inside
}
function touchesPour(x:number,y:number,netName:string){
 const net=json.find((e:any)=>e.type==='source_net'&&e.name===netName)
 const plane=powerPlanes.find(p=>p.netName===netName)!
 const pours=json.filter((e:any)=>e.type==='pcb_copper_pour'&&e.source_net_id===net.source_net_id&&e.layer===plane.layer)
 return Array.from({length:32},(_,i)=>i*Math.PI/16).some(a=>{
  const px=x+.15*Math.cos(a),py=y+.15*Math.sin(a)
  return pours.some((p:any)=>inRing(px,py,p.brep_shape.outer_ring.vertices)&&!p.brep_shape.inner_rings.some((r:any)=>inRing(px,py,r.vertices)))
 })
}
for(const drop of AM3352_PLANE_DROPS){
 const ball=AM3352_PINS[drop.pinNumber-1]!.ballName
 const fixed=FIXED_SUPPLY_DROPS.find(d=>d.ball===ball)
 if(fixed){assert.ok(touchesPour(fixed.via[0]!,fixed.via[1]!,drop.netName),`${ball} fixed supply via misses its pour`);continue}
 const path=am3352TracePaths.find(p=>p.connection===`U1.${ball}`)!
 const vias=path.route.filter(p=>p.route_type==='via')
 assert.ok(vias.some(v=>touchesPour(v.x,v.y,drop.netName)),`${ball} has no physical contact with ${drop.netName} pour`)
}
for(const cap of decouplingCaps){
 assert.ok(touchesPour(cap.ground[0]!,cap.ground[1]!,'GND'),`${cap.name} ground via misses the ground pour`)
 if(!cap.ball)assert.ok(touchesPour(cap.power[0]!,cap.power[1]!,cap.net),`${cap.name} supply via misses its rail pour`)
}
console.log('All 117 power/ground drops and capacitor rail vias physically contact their assigned pours')