Support KLE to PCB metadata and nets

src/ergogen.js

@@ -9,9 +9,15 @@ const pcbs_lib = require('./pcbs')
 
 const process = async (raw, debug=false, logger=()=>{}) => {
 
+    const prefix = 'Interpreting format: '
     let empty = true
     let [config, format] = io.interpret(raw, logger)
-    logger('Interpreting format: ' + format)
+    let suffix = format
+    if (format == 'KLE') {
+        suffix = `${format} (Auto-debug)`
+        debug = true
+    }
+    logger(prefix + suffix)
     
     logger('Preprocessing input...')
     config = prepare.unnest(config)

src/kle.js

@@ -1,14 +1,35 @@
+const u = require('./utils')
 const kle = require('kle-serial')
+const json5 = require('json5')
 
 exports.convert = (config, logger) => {
     const keyboard = kle.Serial.deserialize(config)
-    const result = {points: {zones: {}}}
+    const result = {points: {zones: {}}, pcbs: {main: {}}}
+
+    // if the keyboard notes are valid JSON, they get added to each key as metadata
+    let meta = {}
+    try {
+        meta = json5.parse(keyboard.meta.notes)
+    } catch (ex) {
+        // notes were not valid JSON, oh well...
+    }
 
     let index = 1
     for (const key of keyboard.keys) {
         const id = `key${index++}`
         const colid = `${id}col`
         const rowid = `${id}row`
+        // we try to look at the first non-empty label
+        const label = key.labels.filter(e => !!e)[0] || '' 
+
+        // PCB nets can be specified through key labels
+        let row_net = id
+        let col_net = 'GND'
+        if (label.match(/^\d+_\d+$/)) {
+            const parts = label.split('_')
+            row_net = `row_${parts[0]}`
+            col_net = `col_${parts[1]}`
+        }
 
         // need to account for keycap sizes, as KLE anchors
         // at the corners, while we consider the centers
@@ -21,22 +42,28 @@ exports.convert = (config, logger) => {
         const diff_x = key.rotation_x - (key.x + key.width / 2)
         const diff_y = key.rotation_y - (key.y + key.height / 2)
 
+        // anchoring the per-key zone to the KLE-computed coords
         const converted = {
             anchor: {
                 shift: [`${x} u`, `${-y} u`],
             },
             columns: {}
         }
+        
+        // adding a column-level rotation with origin
         converted.columns[colid] = {
             rotate: -key.rotation_angle,
             origin: [`${diff_x} u`, `${-diff_y} u`],
             rows: {}
         }
-        converted.columns[colid].rows[rowid] = {
-            width: key.width,
-            height: key.height,
-            label: key.labels[0]
-        }
+        
+        // passing along metadata to each key
+        converted.columns[colid].rows[rowid] = u.deepcopy(meta)
+        converted.columns[colid].rows[rowid].width = key.width
+        converted.columns[colid].rows[rowid].height = key.height
+        converted.columns[colid].rows[rowid].label = label
+        converted.columns[colid].rows[rowid].column_net = col_net
+        converted.columns[colid].rows[rowid].row_net = row_net
         
         result.points.zones[id] = converted
     }