PCB stuff started

src/cli.js

@@ -13,6 +13,7 @@ const u = require('./utils')
 const io = require('./io')
 const points_lib = require('./points')
 const outline_lib = require('./outline')
+const pcb_lib = require('./pcb')
 
 // command line args
 
@@ -67,6 +68,12 @@ for (const [name, outline] of Object.entries(outlines)) {
     io.dump_model(outline, path.join(args.o, `outline/${name}`), args.debug)
 }
 
+// pcb
+
+console.log('Scaffolding PCB...')
+const pcb = pcb_lib.parse(config.pcb, points, outlines)
+fs.writeFileSync(path.join(args.o, `pcb/pcb.kicad_pcb`, pcb))
+
 // goodbye
 
 console.log('Done.')

src/outline.js

@@ -249,6 +249,8 @@ exports.parse = (config = {}, points = {}) => {
             result = op(result, arg)
         }
 
+        m.model.originate(result)
+        m.model.simplify(result)
         outlines[key] = result
     }
 

src/pcb.js

@@ -0,0 +1,42 @@
+const m = require('makerjs')
+const u = require('./utils')
+const a = require('./assert')
+
+const makerjs2kicad = exports._makerjs2kicad = model => {
+    const grs = []
+    const xy = val => `${val[0]} ${val[1]}`
+    m.model.walk(model, {
+        onPath: wp => {
+            const p = wp.pathContext
+            switch (p.type) {
+                case 'line':
+                    grs.push(`(gr_line (start ${xy(p.origin)}) (end ${xy(p.end)}) (angle 90) (layer Edge.Cuts) (width 0.15))`)
+                    break
+                case 'arc':
+                    // console.log(require('util').inspect(p, false, 200))
+                    // throw 2
+                    const center = p.origin
+                    const angle_start = Math.min(p.startAngle, p.endAngle)
+                    const angle_diff = Math.abs(p.endAngle - p.startAngle)
+                    const end = m.point.rotate(m.point.add(center, [p.radius, 0]), angle_start, center)
+                    grs.push(`(gr_arc (start ${xy(center)}) (end ${xy(end)}) (angle ${angle_diff}) (layer Edge.Cuts) (width 0.15))`)
+                    break
+                case 'circle':
+                    break
+                default:
+                    throw new Error(`Can't convert path type "${p.type}" to kicad!`)
+            }
+        }
+    })
+    return grs
+}
+
+exports.parse = (config, points, outlines) => {
+    a.detect_unexpected(config, 'pcb', ['edge', 'footprints'])
+    const edge = outlines[config.edge]
+    if (!edge) throw new Error(`Field "pcb.edge" doesn't name a valid outline!`)
+    const kicad_edge = makerjs2kicad(edge)
+
+    console.log(kicad_edge.join('\n'))
+    throw 28
+}