0hmX/am3352

This code suite comprises TypeScript scripts that analyze, verify, and assemble complex DDR memory interface hardware, focusing on physical routing, via and pad placement, electrical clearance, and physical constraints, often involving precise geometric calculations and consistent provenance tracking.

Version
1.0.5
License
unset
Stars
0

tests/fixed-supply-junction.test.ts

import {expect,test} from 'bun:test'
import {readFileSync} from 'node:fs'
import {FIXED_SUPPLY_DROPS} from '../src/fixed-supply-drops'
import {auditRouteAngles} from '../scripts/check-route-angles'
import {auditDdrTraceJunctions} from '../scripts/check-ddr-system-copper'

test('K6 fixed supply meets every saved L6 escape with at most a 45-degree turn',()=>{
 const drop=FIXED_SUPPLY_DROPS.find(d=>d.ball==='K6')!
 const wire=([x,y]:number[])=>({route_type:'wire',x,y,width:.08128,layer:'top'})
 const fixed={type:'pcb_trace',pcb_trace_id:'fixed',source_trace_id:'core',route:drop.points.map(wire)}
 for(const profile of ['native','ddr_left','ddr_top','ddr_bottom']){
  const saved=JSON.parse(readFileSync(`src/generated/${profile}.trace-paths.json`,'utf8')).find((t:any)=>t.connection==='U1.L6')
  const escape={type:'pcb_trace',pcb_trace_id:'escape',source_trace_id:'core',route:saved.route}
  expect(auditRouteAngles([fixed,escape]).valid).toBe(true)
  expect(auditDdrTraceJunctions([fixed,escape]).valid).toBe(true)
  // The previous route passed per-trace checks but created a sharp L6 branch.
  const previous={...fixed,route:[[-2.8,-.4],[-2.8,-1.2],[-2.4,-1.6]].map(wire)}
  expect(auditRouteAngles([previous,escape]).valid).toBe(true)
  expect(auditDdrTraceJunctions([previous,escape]).valid).toBe(false)
 }
})