pcb-stator-coil-generator/coil_generator-12.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 161,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "import numpy as np\n",
    "\n",
    "import matplotlib.pyplot as plt\n",
    "from skspatial.objects import LineSegment, Line, Vector\n",
    "\n",
    "# some helper functions\n",
    "from helpers import (\n",
    "    get_arc_point,\n",
    "    draw_arc,\n",
    "    rotate,\n",
    "    translate,\n",
    "    flip_y,\n",
    "    flip_x,\n",
    "    optimize_points,\n",
    "    chaikin,\n",
    "    rotate_point,\n",
    "    scale,\n",
    ")\n",
    "from pcb_json import (\n",
    "    dump_json,\n",
    "    plot_json,\n",
    "    create_via,\n",
    "    create_pad,\n",
    "    create_pin,\n",
    "    create_silk,\n",
    "    create_silk,\n",
    "    create_mounting_hole,\n",
    ")\n",
    "\n",
    "from enum import Enum\n",
    "\n",
    "Layer = Enum(\"Layer\", \"FRONT BACK\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 162,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Track width and spacing\n",
    "TRACK_WIDTH = 0.102\n",
    "TRACK_SPACING = 0.2\n",
    "\n",
    "# via defaults\n",
    "VIA_DIAM = 0.8\n",
    "VIA_DRILL = 0.4\n",
    "\n",
    "# this is for a 1.27mm pitch pin\n",
    "PIN_DIAM = 1.0\n",
    "PIN_DRILL = 0.65\n",
    "\n",
    "# this is for the PCB connector - see https://www.farnell.com/datasheets/2003059.pdf\n",
    "PAD_ENABLE = False\n",
    "PAD_WIDTH = 3\n",
    "PAD_HEIGHT = 2\n",
    "PAD_PITCH = 2.5\n",
    "\n",
    "# Vias for connecting to the coils\n",
    "COIL_INPUT_VIAS_ENABLE = True\n",
    "\n",
    "# PCB edge cuts\n",
    "PCB_EDGE_CUTS = False\n",
    "\n",
    "# Stator hole\n",
    "STATOR_HOLE_RADIUS = 5.5\n",
    "\n",
    "# Coil net name\n",
    "COIL_NET_NAME = \"coils\"\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 163,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Standard 25 mm version\n",
    "\n",
    "# PCB Edge size\n",
    "STATOR_RADIUS = 25\n",
    "STATOR_HOLE_RADIUS = 10\n",
    "\n",
    "# where to puth the mounting pins\n",
    "SCREW_HOLE_DRILL_DIAM = 2.3  # 2.3mm drill for a 2mm screw\n",
    "SCREW_HOLE_RADIUS = STATOR_RADIUS\n",
    "\n",
    "# Coil params\n",
    "TURNS = 12\n",
    "COIL_CENTER_RADIUS = 16\n",
    "COIL_VIA_RADIUS = 17\n",
    "\n",
    "# Coil input vias\n",
    "COIL_INPUT_VIA_RADIUS = 22"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 164,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Large 35 mm version\n",
    "\n",
    "# PCB Edge size\n",
    "STATOR_RADIUS = 35\n",
    "\n",
    "# where to puth the mounting pins\n",
    "SCREW_HOLE_DRILL_DIAM = 2.3  # 2.3mm drill for a 2mm screw\n",
    "SCREW_HOLE_RADIUS = STATOR_RADIUS\n",
    "\n",
    "# Coil params\n",
    "# for custom shape\n",
    "TURNS = 16\n",
    "# for spiral\n",
    "# TURNS = 17\n",
    "COIL_CENTER_RADIUS = 19.95\n",
    "COIL_VIA_RADIUS = 20.95\n",
    "\n",
    "# Coil input vias\n",
    "COIL_INPUT_VIA_RADIUS = 27"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 165,
   "metadata": {},
   "outputs": [],
   "source": [
    "# LED ring\n",
    "LED_RING_ENABLE = True\n",
    "LED_RING_RADIUS = 32\n",
    "LED_RING_VIA_OFFSET = 2.5\n",
    "LED_RING_OUTER_VIA_RADIUS = LED_RING_RADIUS + LED_RING_VIA_OFFSET\n",
    "LED_RING_INNER_VIA_RADIUS = LED_RING_RADIUS - LED_RING_VIA_OFFSET\n",
    "LED_CHIP_PAD_RADIAL_FROM_CENTRE = .75\n",
    "LED_CHIP_PAD_ANGLE_FROM_CENTRE = -1\n",
    "LED_RING_NUM_LEDS = 60\n",
    "LED_PAD_ANGLE_OFFSET = 1\n",
    "LED_VPLUS_NET_NAME = \"V+\"\n",
    "LED_GND_NET_NAME = \"GND\"\n",
    "LED_IO_NET_NAME_BASE = \"LED_IO_\"\n",
    "LED_IO_NET_NC = \"\"\n",
    "LED_IO_NET_INPUT = \"LED_RING_INPUT\"\n",
    "LED_POWER_TRACK_WIDTH = 1.5\n",
    "LED_POWER_INTERCONN_TRACK_WIDTH = 0.5\n",
    "LED_INTERCONN_TO_SUPPRESS = 58\n",
    "LED_REF_BASE = \"LED\"\n",
    "LED_RING_START_LED_REF = 38\n",
    "LED_RING_END_LED_REF = 39"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 166,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "20.95\n"
     ]
    }
   ],
   "source": [
    "# where to put the input pads\n",
    "INPUT_PAD_RADIUS = COIL_VIA_RADIUS\n",
    "print(INPUT_PAD_RADIUS)\n",
    "\n",
    "USE_SPIRAL = False\n",
    "\n",
    "if USE_SPIRAL:\n",
    "    TURNS = 18\n",
    "    COIL_VIA_RADIUS = 20.5\n",
    "    COIL_CENTER_RADIUS = 20.5\n",
    "\n",
    "LAYERS = 8\n",
    "\n",
    "OUTER_CONN_RADIUS = 28"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Arbitrary Coil Generation"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 167,
   "metadata": {},
   "outputs": [],
   "source": [
    "# templates must be simetric around the X axis and must include the center points on both size (e.g. (X1, 0).... (X2, 0) )\n",
    "# template must also be convex\n",
    "template = [\n",
    "    (-3.5, 0),\n",
    "    (-3.5, -0.01),\n",
    "    (1.9, -1.45),\n",
    "    (1.9, 0.0),\n",
    "    (1.9, 1.45),\n",
    "    (-3.5, 0.01),\n",
    "]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 168,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(-3.77, 2.17, -1.595, 1.595)"
      ]
     },
     "execution_count": 168,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": "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
      "text/plain": [
       "<Figure size 640x480 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "# plot the template shape wrapping around to the first point\n",
    "df = pd.DataFrame(template + [template[0]], columns=[\"x\", \"y\"])\n",
    "ax = df.plot.line(x=\"x\", y=\"y\", color=\"blue\")\n",
    "ax.axis(\"equal\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 169,
   "metadata": {},
   "outputs": [],
   "source": [
    "def calculate_point(point, point1, point2, spacing, turn):\n",
    "    reference_vector = Vector([-100, 0])\n",
    "    angle = np.rad2deg(Vector(point).angle_between(reference_vector))\n",
    "    if point[1] > 0:\n",
    "        angle = 360 - angle\n",
    "    vector = Vector(point1) - Vector(point2)\n",
    "    normal = vector / np.linalg.norm(vector)\n",
    "    # rotate the vector 90 degrees\n",
    "    normal = np.array([-normal[1], normal[0]])\n",
    "    # move the  point along the normal vector by the spacing\n",
    "    offset = spacing * (turn * 360 + angle) / 360\n",
    "    coil_point = point + normal * offset\n",
    "    return (coil_point[0], coil_point[1])\n",
    "\n",
    "\n",
    "def get_points(template, turns, spacing):\n",
    "    coil_points = []\n",
    "    reference_vector = Vector([-100, 0])\n",
    "    template_index = 0\n",
    "    template_length = len(template)\n",
    "    for turn in range(turns * template_length):\n",
    "        point1 = template[template_index % template_length]\n",
    "        point2 = template[(template_index + 1) % template_length]\n",
    "\n",
    "        # calculate the new positions of the points\n",
    "        coil_point1 = calculate_point(\n",
    "            point1, point1, point2, spacing, template_index // template_length\n",
    "        )\n",
    "        coil_point2 = calculate_point(\n",
    "            point2, point1, point2, spacing, (template_index + 1) // template_length\n",
    "        )\n",
    "        # adjust the previous point so that the previous line intersects with this new line\n",
    "        # this prevents any cutting of corners\n",
    "        if len(coil_points) >= 2:\n",
    "            # create a line from the previous two points\n",
    "            line1 = Line(\n",
    "                coil_points[len(coil_points) - 2],\n",
    "                np.array(coil_points[len(coil_points) - 1])\n",
    "                - np.array(coil_points[len(coil_points) - 2]),\n",
    "            )\n",
    "            # create a line from the two new points\n",
    "            line2 = Line(\n",
    "                np.array(coil_point1),\n",
    "                np.array(np.array(coil_point1) - np.array(coil_point2)),\n",
    "            )\n",
    "            # find the intersection of the two lines\n",
    "            try:\n",
    "                intersection = line1.intersect_line(line2)\n",
    "                # replace the previous point with the intersection\n",
    "                coil_points[len(coil_points) - 1] = intersection\n",
    "                # add the new point\n",
    "                coil_points.append(coil_point2)\n",
    "            except:\n",
    "                # the lines did not intersect so just add the points\n",
    "                coil_points.append(coil_point1)\n",
    "                coil_points.append(coil_point2)\n",
    "        else:\n",
    "            coil_points.append(coil_point1)\n",
    "            coil_points.append(coil_point2)\n",
    "\n",
    "        template_index = template_index + 1\n",
    "    return coil_points"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 170,
   "metadata": {},
   "outputs": [],
   "source": [
    "def get_spiral(turns, start_radius, thickness, layer=Layer.FRONT):\n",
    "    points = []\n",
    "    # create a starting point in the center\n",
    "    for angle in np.arange(0, turns * 360, 1):\n",
    "        radius = start_radius + thickness * angle / 360\n",
    "        if layer == Layer.BACK:\n",
    "            x = radius * np.cos(np.deg2rad(angle + 180))\n",
    "            y = radius * np.sin(np.deg2rad(angle + 180))\n",
    "            points.append((x, -y))\n",
    "        else:\n",
    "            x = radius * np.cos(np.deg2rad(angle))\n",
    "            y = radius * np.sin(np.deg2rad(angle))\n",
    "            points.append((x, y))\n",
    "    return points"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 171,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Not using spiral\n",
      "Optimised from 128 to 66 points\n",
      "Optimised from 128 to 66 points\n"
     ]
    }
   ],
   "source": [
    "if not USE_SPIRAL:\n",
    "    print(\"Not using spiral\")\n",
    "    template_f = []\n",
    "    for i in range(len(template)):\n",
    "        template_f.append(template[len(template) - i - len(template) // 2])\n",
    "    template_f = flip_x(template_f)\n",
    "    points_f = chaikin(\n",
    "        optimize_points(\n",
    "            flip_x(get_points(template_f, TURNS, TRACK_SPACING + TRACK_WIDTH))\n",
    "        ),\n",
    "        2,\n",
    "    )\n",
    "    points_b = chaikin(\n",
    "        optimize_points(get_points(template, TURNS, TRACK_SPACING + TRACK_WIDTH)), 2\n",
    "    )\n",
    "else:\n",
    "    print(\"Using spiral\")\n",
    "    points_f = get_spiral(\n",
    "        TURNS, VIA_DIAM / 2 + TRACK_SPACING, TRACK_SPACING + TRACK_WIDTH, Layer.FRONT\n",
    "    )\n",
    "    points_b = get_spiral(\n",
    "        TURNS, VIA_DIAM / 2 + TRACK_SPACING, TRACK_SPACING + TRACK_WIDTH, Layer.BACK\n",
    "    )\n",
    "\n",
    "    points_f = [(0, 0)] + points_f\n",
    "    points_b = [(0, 0)] + points_b\n",
    "    print(\"Track points\", len(points_f), len(points_b))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 172,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Track points 262 262\n"
     ]
    },
    {
     "data": {
      "image/png": "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
      "text/plain": [
       "<Figure size 640x480 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "points_f = [(COIL_VIA_RADIUS - COIL_CENTER_RADIUS, 0)] + points_f\n",
    "points_b = [(COIL_VIA_RADIUS - COIL_CENTER_RADIUS, 0)] + points_b\n",
    "\n",
    "df = pd.DataFrame(points_f, columns=[\"x\", \"y\"])\n",
    "ax = df.plot.line(x=\"x\", y=\"y\", color=\"blue\")\n",
    "ax.axis(\"equal\")\n",
    "df = pd.DataFrame(points_b, columns=[\"x\", \"y\"])\n",
    "ax = df.plot.line(x=\"x\", y=\"y\", color=\"red\", ax=ax)\n",
    "\n",
    "print(\"Track points\", len(points_f), len(points_b))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 173,
   "metadata": {},
   "outputs": [],
   "source": [
    "# write the coil out in a format that can be simulated\n",
    "# rotate the points by 90 degrees so that the x axis is horizontal\n",
    "pf = rotate(points_f, 90)\n",
    "pb = rotate(points_b, 90)\n",
    "fname = \"simulations/coils/coil_12_custom\"\n",
    "if USE_SPIRAL:\n",
    "    fname = \"simulations/coils/coil_12_spiral\"\n",
    "\n",
    "# write the coil out in a format that can be simulated\n",
    "p_f = rotate(points_f, 90)\n",
    "p_b = rotate(points_b, 90)\n",
    "\n",
    "with open(fname + \".csv\", \"w\") as f:\n",
    "    for point in p_f[::-1]:\n",
    "        f.write(f\"{point[0]},{point[1]},0,0.5\\n\")\n",
    "\n",
    "# two layer board\n",
    "with open(fname + \"-2-layer.csv\", \"wt\") as f:\n",
    "    for point in p_f[::-1]:\n",
    "        f.write(f\"{point[0]},{point[1]},0,0.5\\n\")\n",
    "    for point in p_b:\n",
    "        f.write(f\"{point[0]},{point[1]},0-0.062,0.5\\n\")\n",
    "\n",
    "# all four layer board\n",
    "with open(fname + \"-4-layer.csv\", \"wt\") as f:\n",
    "    for point in p_f[::-1]:\n",
    "        f.write(f\"{point[0]},{point[1]},0,0.5\\n\")\n",
    "    for point in p_b:\n",
    "        f.write(f\"{point[0]},{point[1]},0-0.011,0.5\\n\")\n",
    "    for point in p_f[::-1]:\n",
    "        f.write(f\"{point[0]},{point[1]},0-(0.011+0.04),0.5\\n\")\n",
    "    for point in p_b:\n",
    "        f.write(f\"{point[0]},{point[1]},0-(0.011+0.011+0.04),0.5\\n\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 174,
   "metadata": {},
   "outputs": [],
   "source": [
    "# write the coil out in a format that can be simulated\n",
    "# shift the coils aronnd to make connections a bit easier\n",
    "pf = rotate(points_f, 90)\n",
    "pb = rotate(points_b, 90)\n",
    "fname = \"simulations/coils/coil_12_custom\"\n",
    "if USE_SPIRAL:\n",
    "    fname = \"simulations/coils/coil_12_spiral\"\n",
    "\n",
    "with open(fname + \".csv\", \"w\") as f:\n",
    "    for point in pf:\n",
    "        f.write(f\"{point[0]/10},{point[1]/10},0,0.5\\n\")\n",
    "\n",
    "# two layer board\n",
    "with open(fname + \"-2-layer.csv\", \"wt\") as f:\n",
    "    for point in pf[::-1]:\n",
    "        f.write(f\"{point[0]/10},{point[1]/10},0,0.5\\n\")\n",
    "    for point in pb:\n",
    "        f.write(f\"{point[0]/10},{point[1]/10},0-0.062,0.5\\n\")\n",
    "\n",
    "# all four layer board\n",
    "with open(fname + \"-4-layer.csv\", \"wt\") as f:\n",
    "    for point in pf[::-1]:\n",
    "        f.write(f\"{point[0]/10},{point[1]/10},0,0.5\\n\")\n",
    "    for point in pb:\n",
    "        f.write(f\"{point[0]/10},{point[1]/10},0-0.011,0.5\\n\")\n",
    "    for point in pf[::-1]:\n",
    "        f.write(f\"{point[0]/10},{point[1]/10},0-(0.011+0.04),0.5\\n\")\n",
    "    for point in pb:\n",
    "        f.write(f\"{point[0]/10},{point[1]/10},0-(0.011+0.011+0.04),0.5\\n\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Generate PCB Layout"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 175,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Total length front 529.8077333933606\n",
      "Total length back 533.3665859525589\n"
     ]
    }
   ],
   "source": [
    "# calculate the total length of the track to compute the resistance\n",
    "total_length_front = 0\n",
    "for i in range(len(points_f) - 1):\n",
    "    total_length_front += np.linalg.norm(\n",
    "        np.array(points_f[i + 1]) - np.array(points_f[i])\n",
    "    )\n",
    "print(\"Total length front\", total_length_front)\n",
    "\n",
    "total_length_back = 0\n",
    "for i in range(len(points_b) - 1):\n",
    "    total_length_back += np.linalg.norm(\n",
    "        np.array(points_b[i + 1]) - np.array(points_b[i])\n",
    "    )\n",
    "print(\"Total length back\", total_length_back)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 176,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "28\n"
     ]
    }
   ],
   "source": [
    "vias = []\n",
    "tracks_f = []\n",
    "tracks_b = []\n",
    "pads = []\n",
    "pins = []\n",
    "mounting_holes = []\n",
    "silk = []\n",
    "components = []\n",
    "\n",
    "# shift the coils around to make connections a bit easier\n",
    "COIL_ROTATION = -360 / 12\n",
    "\n",
    "coil_angles = []\n",
    "for i in range(12):\n",
    "    angle = i * 360 / 12 + COIL_ROTATION\n",
    "    coil_angles.append(angle)\n",
    "\n",
    "# the main coils\n",
    "coil_labels = [\"A\", \"B\", \"C\"]\n",
    "coils_f = []\n",
    "coils_b = []\n",
    "for i in range(12):\n",
    "    angle = coil_angles[i]\n",
    "    if (i // 3) % 2 == 0:\n",
    "        coil_A_f = translate(rotate(points_f, angle), COIL_CENTER_RADIUS, angle)\n",
    "        coil_A_b = translate(rotate(points_b, angle), COIL_CENTER_RADIUS, angle)\n",
    "    else:\n",
    "        # slightly nudge the coils so that they don't overlap when flipped\n",
    "        coil_A_f = translate(rotate(flip_y(points_f), angle), COIL_CENTER_RADIUS, angle)\n",
    "        coil_A_b = translate(rotate(flip_y(points_b), angle), COIL_CENTER_RADIUS, angle)\n",
    "    # keep track of the coils\n",
    "    coils_f.append(coil_A_f)\n",
    "    coils_b.append(coil_A_b)\n",
    "\n",
    "    tracks_f.append({\"net\":COIL_NET_NAME,\"pts\":coil_A_f})\n",
    "    tracks_b.append({\"net\":COIL_NET_NAME,\"pts\":coil_A_b})\n",
    "    vias.append(create_via(get_arc_point(angle, COIL_VIA_RADIUS), COIL_NET_NAME))\n",
    "    silk.append(\n",
    "        create_silk(get_arc_point(angle, COIL_CENTER_RADIUS), coil_labels[i % 3])\n",
    "    )\n",
    "\n",
    "# raidus for connecting the bottoms of the coils together\n",
    "connection_radius1 = STATOR_HOLE_RADIUS + 3 * TRACK_SPACING\n",
    "\n",
    "# create tracks to link the A coils around the center\n",
    "connection_via_radius_A = connection_radius1 + 3 * TRACK_SPACING + VIA_DIAM / 2\n",
    "coil_A1_A2_inner = (\n",
    "    [get_arc_point(coil_angles[0], connection_via_radius_A)]\n",
    "    + draw_arc(COIL_ROTATION, coil_angles[3], connection_radius1)\n",
    "    + [get_arc_point(coil_angles[3], connection_via_radius_A)]\n",
    ")\n",
    "tracks_f.append({\"net\":COIL_NET_NAME,\"pts\":coil_A1_A2_inner})\n",
    "coil_A3_A4_inner = (\n",
    "    [get_arc_point(coil_angles[6], connection_via_radius_A)]\n",
    "    + draw_arc(coil_angles[6], coil_angles[9], connection_radius1)\n",
    "    + [get_arc_point(coil_angles[9], connection_via_radius_A)]\n",
    ")\n",
    "tracks_f.append({\"net\":COIL_NET_NAME,\"pts\":coil_A3_A4_inner})\n",
    "# connect up the bottoms of the A coils\n",
    "coils_b[0].append(coil_A1_A2_inner[0])\n",
    "coils_b[3].append(coil_A1_A2_inner[-1])\n",
    "coils_b[6].append(coil_A3_A4_inner[0])\n",
    "coils_b[9].append(coil_A3_A4_inner[-1])\n",
    "# add the vias to stitch them together\n",
    "vias.append(create_via(coil_A1_A2_inner[0], COIL_NET_NAME))\n",
    "vias.append(create_via(coil_A1_A2_inner[-1], COIL_NET_NAME))\n",
    "vias.append(create_via(coil_A3_A4_inner[0], COIL_NET_NAME))\n",
    "vias.append(create_via(coil_A3_A4_inner[-1], COIL_NET_NAME))\n",
    "\n",
    "# create tracks to link the B coils around the center - this can all be done on the bottom layer\n",
    "coil_B1_B2_inner = draw_arc(coil_angles[1], coil_angles[4], connection_radius1)\n",
    "tracks_b.append({\"net\":COIL_NET_NAME,\"pts\":coil_B1_B2_inner})\n",
    "coil_B3_B4_inner = draw_arc(coil_angles[7], coil_angles[10], connection_radius1)\n",
    "tracks_b.append({\"net\":COIL_NET_NAME,\"pts\":coil_B3_B4_inner})\n",
    "# connect up the bottoms of the A coils\n",
    "coils_b[1].append(coil_B1_B2_inner[0])\n",
    "coils_b[4].append(coil_B1_B2_inner[-1])\n",
    "coils_b[7].append(coil_B3_B4_inner[0])\n",
    "coils_b[10].append(coil_B3_B4_inner[-1])\n",
    "\n",
    "# create tracks to link the C coils around the center\n",
    "connection_via_radius_C = connection_via_radius_A + 3 * TRACK_SPACING + VIA_DIAM / 2\n",
    "coil_C1_C2_inner = draw_arc(coil_angles[2], coil_angles[5], connection_via_radius_C)\n",
    "tracks_f.append({\"net\":COIL_NET_NAME,\"pts\":coil_C1_C2_inner})\n",
    "coil_C3_C4_inner = draw_arc(coil_angles[8], coil_angles[11], connection_via_radius_C)\n",
    "tracks_f.append({\"net\":COIL_NET_NAME,\"pts\":coil_C3_C4_inner})\n",
    "# connect up the bottoms of the B coils\n",
    "coils_b[2].append(coil_C1_C2_inner[0])\n",
    "coils_b[5].append(coil_C1_C2_inner[-1])\n",
    "coils_b[8].append(coil_C3_C4_inner[0])\n",
    "coils_b[11].append(coil_C3_C4_inner[-1])\n",
    "# add the vias to stitch them together\n",
    "vias.append(create_via(coil_C1_C2_inner[0], COIL_NET_NAME))\n",
    "vias.append(create_via(coil_C1_C2_inner[-1], COIL_NET_NAME))\n",
    "vias.append(create_via(coil_C3_C4_inner[0], COIL_NET_NAME))\n",
    "vias.append(create_via(coil_C3_C4_inner[-1], COIL_NET_NAME))\n",
    "\n",
    "# connect the last three coils together\n",
    "common_connection_radius = OUTER_CONN_RADIUS\n",
    "print(common_connection_radius)\n",
    "tracks_f.append({\"net\":COIL_NET_NAME,\"pts\":draw_arc(coil_angles[9], coil_angles[11], common_connection_radius)})\n",
    "coils_f[9].append(get_arc_point(coil_angles[9], common_connection_radius))\n",
    "coils_f[10].append(get_arc_point(coil_angles[10], common_connection_radius))\n",
    "coils_f[11].append(get_arc_point(coil_angles[11], common_connection_radius))\n",
    "\n",
    "# connect the outer A coils together\n",
    "outer_connection_radius_A = OUTER_CONN_RADIUS\n",
    "tracks_f.append({\"net\":COIL_NET_NAME,\"pts\":draw_arc(coil_angles[3], coil_angles[6], outer_connection_radius_A)})\n",
    "coils_f[3].append(get_arc_point(coil_angles[3], outer_connection_radius_A))\n",
    "coils_f[6].append(get_arc_point(coil_angles[6], outer_connection_radius_A))\n",
    "\n",
    "# connect the outer B coils together\n",
    "outer_connection_radius_B = outer_connection_radius_A - TRACK_SPACING - VIA_DIAM / 2\n",
    "tracks_b.append({\"net\":COIL_NET_NAME,\"pts\":\n",
    "    [get_arc_point(coil_angles[4], outer_connection_radius_B)]\n",
    "    + draw_arc(coil_angles[4], coil_angles[7], outer_connection_radius_A)\n",
    "    + [get_arc_point(coil_angles[7], outer_connection_radius_B)]\n",
    "    }\n",
    ")\n",
    "coils_f[4].append(get_arc_point(coil_angles[4], outer_connection_radius_B))\n",
    "coils_f[7].append(get_arc_point(coil_angles[7], outer_connection_radius_B))\n",
    "vias.append(\n",
    "    create_via(get_arc_point(4 * 360 / 12 + COIL_ROTATION, outer_connection_radius_B), COIL_NET_NAME)\n",
    ")\n",
    "vias.append(\n",
    "    create_via(get_arc_point(7 * 360 / 12 + COIL_ROTATION, outer_connection_radius_B), COIL_NET_NAME)\n",
    ")\n",
    "\n",
    "# connect the outer C coilds together\n",
    "outer_connection_radius_C = outer_connection_radius_B - TRACK_SPACING - VIA_DIAM / 2\n",
    "tracks_b.append({\"net\":COIL_NET_NAME,\"pts\":\n",
    "    draw_arc(\n",
    "        5 * 360 / 12 + COIL_ROTATION,\n",
    "        8 * 360 / 12 + COIL_ROTATION,\n",
    "        outer_connection_radius_C,\n",
    "    )\n",
    "    }\n",
    ")\n",
    "coils_f[5].append(\n",
    "    get_arc_point(5 * 360 / 12 + COIL_ROTATION, outer_connection_radius_C)\n",
    ")\n",
    "coils_f[8].append(\n",
    "    get_arc_point(8 * 360 / 12 + COIL_ROTATION, outer_connection_radius_C)\n",
    ")\n",
    "vias.append(\n",
    "    create_via(get_arc_point(5 * 360 / 12 + COIL_ROTATION, outer_connection_radius_C), COIL_NET_NAME)\n",
    ")\n",
    "vias.append(\n",
    "    create_via(get_arc_point(8 * 360 / 12 + COIL_ROTATION, outer_connection_radius_C), COIL_NET_NAME)\n",
    ")\n",
    "\n",
    "#  create the pads for connecting the inputs to the coils\n",
    "if PAD_ENABLE:\n",
    "    silk.append(\n",
    "        create_silk((INPUT_PAD_RADIUS - PAD_HEIGHT - 2.5, PAD_PITCH), \"C\", \"b\", 2.5, -900)\n",
    "    )\n",
    "    silk.append(create_silk((INPUT_PAD_RADIUS - PAD_HEIGHT - 2.5, 0), \"B\", \"b\", 2.5, -900))\n",
    "    silk.append(\n",
    "        create_silk((INPUT_PAD_RADIUS - PAD_HEIGHT - 2.5, -PAD_PITCH), \"A\", \"b\", 2.5, -900)\n",
    "    )\n",
    "\n",
    "    pads.append(create_pad((INPUT_PAD_RADIUS, -PAD_PITCH), PAD_WIDTH, PAD_HEIGHT, \"b\"), COIL_NET_NAME)\n",
    "    pads.append(create_pad((INPUT_PAD_RADIUS, 0), PAD_WIDTH, PAD_HEIGHT, \"b\"), COIL_NET_NAME)\n",
    "    pads.append(create_pad((INPUT_PAD_RADIUS, PAD_PITCH), PAD_WIDTH, PAD_HEIGHT, \"b\"), COIL_NET_NAME)\n",
    "\n",
    "    # connect coil A to the top pad\n",
    "    pad_connection_point_x = INPUT_PAD_RADIUS\n",
    "    pad_angle = np.rad2deg(np.arcsin(PAD_PITCH / pad_connection_point_x))\n",
    "    coils_f[0].append(get_arc_point(coil_angles[0], pad_connection_point_x))\n",
    "    vias.append(create_via(get_arc_point(coil_angles[0], pad_connection_point_x), COIL_NET_NAME))\n",
    "    # connect coil B to the middle pad\n",
    "    coils_f[1].append((pad_connection_point_x + PAD_WIDTH / 2 + VIA_DIAM / 2, 0))\n",
    "    vias.append(create_via(((pad_connection_point_x + PAD_WIDTH / 2 + VIA_DIAM / 2, 0)), COIL_NET_NAME))\n",
    "    # connect coil C to the bottom pad\n",
    "    coils_f[2].append(get_arc_point(coil_angles[2], pad_connection_point_x))\n",
    "    vias.append(create_via(get_arc_point(coil_angles[2], pad_connection_point_x), COIL_NET_NAME))\n",
    "    \n",
    "elif COIL_INPUT_VIAS_ENABLE:\n",
    "    \n",
    "    # create vias for connecting the inputs to the coils\n",
    "    for i in range(3):\n",
    "        coils_f[i].append(get_arc_point(coil_angles[i], COIL_INPUT_VIA_RADIUS))\n",
    "        vias.append(create_via(get_arc_point(coil_angles[i], COIL_INPUT_VIA_RADIUS), COIL_NET_NAME))\n"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Multi-Layer"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 177,
   "metadata": {},
   "outputs": [],
   "source": [
    "# if we are doing multiple layers then duplicate the front and back layers\n",
    "tracks_in = []\n",
    "if LAYERS >= 4:\n",
    "    tracks_in.append(tracks_b.copy())\n",
    "    tracks_in.append(tracks_f.copy())\n",
    "if LAYERS >= 6:\n",
    "    tracks_in.append(tracks_b.copy())\n",
    "    tracks_in.append(tracks_f.copy())\n",
    "if LAYERS == 8:\n",
    "    tracks_in.append(tracks_b.copy())\n",
    "    tracks_in.append(tracks_f.copy())"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Led Ring"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 178,
   "metadata": {},
   "outputs": [],
   "source": [
    "# LED ring wiring\n",
    "if LED_RING_ENABLE:\n",
    "    \n",
    "    # LED wiring\n",
    "    for i in range(LED_RING_NUM_LEDS):\n",
    "\n",
    "        # Angle calculation\n",
    "        angle = i * 360 / LED_RING_NUM_LEDS + COIL_ROTATION\n",
    "        next_angle = (i+1) * 360 / LED_RING_NUM_LEDS + COIL_ROTATION\n",
    "\n",
    "        # Vias for power\n",
    "        vias.append(create_via(get_arc_point(angle, LED_RING_OUTER_VIA_RADIUS), LED_GND_NET_NAME))\n",
    "        vias.append(create_via(get_arc_point(angle, LED_RING_INNER_VIA_RADIUS), LED_VPLUS_NET_NAME))\n",
    "\n",
    "        # Interconnect tracks for power\n",
    "        tracks_f.append({\"net\":LED_GND_NET_NAME,\"width\": LED_POWER_INTERCONN_TRACK_WIDTH,\n",
    "            \"pts\":\n",
    "            [\n",
    "                get_arc_point(angle + LED_CHIP_PAD_ANGLE_FROM_CENTRE, LED_RING_RADIUS + LED_CHIP_PAD_RADIAL_FROM_CENTRE),\n",
    "                get_arc_point(angle, LED_RING_OUTER_VIA_RADIUS)\n",
    "            ],\n",
    "            \n",
    "        })\n",
    "        tracks_f.append({\"net\":LED_VPLUS_NET_NAME,\"width\": LED_POWER_INTERCONN_TRACK_WIDTH,\n",
    "            \"pts\":\n",
    "            [\n",
    "                get_arc_point(angle - LED_CHIP_PAD_ANGLE_FROM_CENTRE, LED_RING_RADIUS - LED_CHIP_PAD_RADIAL_FROM_CENTRE),\n",
    "                get_arc_point(angle, LED_RING_INNER_VIA_RADIUS)\n",
    "            ],\n",
    "        })\n",
    "\n",
    "        # Rails for power\n",
    "        if i + 1 != LED_INTERCONN_TO_SUPPRESS:\n",
    "            tracks_b.append({\"net\":LED_GND_NET_NAME,\"width\": LED_POWER_TRACK_WIDTH,\n",
    "                \"pts\":\n",
    "                [\n",
    "                    get_arc_point(angle, LED_RING_OUTER_VIA_RADIUS),\n",
    "                    get_arc_point(next_angle, LED_RING_OUTER_VIA_RADIUS)\n",
    "                ],\n",
    "            })\n",
    "        tracks_b.append({\"net\":LED_VPLUS_NET_NAME,\"width\": LED_POWER_TRACK_WIDTH,\n",
    "            \"pts\":\n",
    "            [\n",
    "                get_arc_point(angle, LED_RING_INNER_VIA_RADIUS),\n",
    "                get_arc_point(next_angle, LED_RING_INNER_VIA_RADIUS)\n",
    "            ],\n",
    "        })\n",
    "\n",
    "        # LED chip interconnect\n",
    "        if i + 1 != LED_INTERCONN_TO_SUPPRESS:\n",
    "            tracks_f.append({\"net\":LED_IO_NET_NAME_BASE+str(i+1),\"pts\":\n",
    "                [\n",
    "                    get_arc_point(angle - LED_CHIP_PAD_ANGLE_FROM_CENTRE, LED_RING_RADIUS + LED_CHIP_PAD_RADIAL_FROM_CENTRE),\n",
    "                    get_arc_point(next_angle - LED_PAD_ANGLE_OFFSET, LED_RING_RADIUS - LED_CHIP_PAD_RADIAL_FROM_CENTRE)\n",
    "                ]\n",
    "            })\n",
    "\n",
    "        # LED chip components\n",
    "        components.append(\n",
    "            {\n",
    "                \"ref\":LED_REF_BASE+str(i+1),\n",
    "                \"pads\": [\n",
    "                    {\n",
    "                        \"num\": 1,\n",
    "                        \"net\": LED_IO_NET_NC if i+1 == LED_RING_END_LED_REF else LED_IO_NET_NAME_BASE+str(i+1),\n",
    "                    },\n",
    "                    {\n",
    "                        \"num\": 2,\n",
    "                        \"net\":LED_GND_NET_NAME,\n",
    "                    },\n",
    "                    {\n",
    "                        \"num\": 3,\n",
    "                        \"net\":LED_IO_NET_INPUT if i+1 == LED_RING_START_LED_REF else LED_IO_NET_NAME_BASE+str((i+1) % LED_RING_NUM_LEDS + 1),\n",
    "                    },\n",
    "                    {\n",
    "                        \"num\": 4,\n",
    "                        \"net\":LED_VPLUS_NET_NAME,\n",
    "                    },\n",
    "                ]\n",
    "            }\n",
    "        )\n",
    "        \n",
    "\n"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Generate JSON"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 179,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Generate the JSON output file\n",
    "if PAD_ENABLE:\n",
    "    # these final bits of wiring up to the input pads don't need to be duplicated\n",
    "    tracks_b.append({\"net\":COIL_NET_NAME,\"pts\":\n",
    "        [(pad_connection_point_x + PAD_WIDTH / 2, 0), (pad_connection_point_x, 0)]\n",
    "    }\n",
    "    )\n",
    "    tracks_b.append({\"net\":COIL_NET_NAME,\"pts\":draw_arc(coil_angles[0], -pad_angle, pad_connection_point_x, 1)})\n",
    "    tracks_b.append({\"net\":COIL_NET_NAME,\"pts\":draw_arc(coil_angles[2], pad_angle, pad_connection_point_x, 1)})\n",
    "\n",
    "nibble_angle_size = 360 * SCREW_HOLE_DRILL_DIAM / (2 * np.pi * STATOR_RADIUS)\n",
    "\n",
    "if PCB_EDGE_CUTS:\n",
    "    outer_cuts = (\n",
    "        draw_arc(-45 + nibble_angle_size / 2, 45 - nibble_angle_size / 2, STATOR_RADIUS, 5)\n",
    "        + translate(\n",
    "            rotate(draw_arc(5, 175, SCREW_HOLE_DRILL_DIAM / 2, 5)[::-1], 135),\n",
    "            STATOR_RADIUS,\n",
    "            45,\n",
    "        )\n",
    "        + draw_arc(\n",
    "            45 + nibble_angle_size / 2, 135 - nibble_angle_size / 2, STATOR_RADIUS, 5\n",
    "        )\n",
    "        + translate(\n",
    "            rotate(draw_arc(5, 175, SCREW_HOLE_DRILL_DIAM / 2, 5), 225)[::-1],\n",
    "            STATOR_RADIUS,\n",
    "            135,\n",
    "        )\n",
    "        + draw_arc(\n",
    "            135 + nibble_angle_size / 2, 225 - nibble_angle_size / 2, STATOR_RADIUS, 5\n",
    "        )\n",
    "        + translate(\n",
    "            rotate(draw_arc(5, 175, SCREW_HOLE_DRILL_DIAM / 2, 5), 315)[::-1],\n",
    "            STATOR_RADIUS,\n",
    "            225,\n",
    "        )\n",
    "        + draw_arc(\n",
    "            225 + nibble_angle_size / 2, 315 - nibble_angle_size / 2, STATOR_RADIUS, 5\n",
    "        )\n",
    "        + translate(\n",
    "            rotate(draw_arc(5, 175, SCREW_HOLE_DRILL_DIAM / 2, 5), 45)[::-1],\n",
    "            STATOR_RADIUS,\n",
    "            315,\n",
    "        )\n",
    "    )\n",
    "\n",
    "    edge_cuts = [\n",
    "        outer_cuts,\n",
    "        draw_arc(0, 360, STATOR_HOLE_RADIUS, 1),\n",
    "    ]\n",
    "else:\n",
    "    edge_cuts = [\n",
    "    ]\n",
    "\n",
    "# dump out the json version\n",
    "json_result = dump_json(\n",
    "    filename=f\"coils_12_{STATOR_RADIUS}mm.json\",\n",
    "    track_width=TRACK_WIDTH,\n",
    "    pin_diam=PIN_DIAM,\n",
    "    pin_drill=PIN_DRILL,\n",
    "    via_diam=VIA_DIAM,\n",
    "    via_drill=VIA_DRILL,\n",
    "    vias=vias,\n",
    "    pins=pins,\n",
    "    pads=pads,\n",
    "    silk=silk,\n",
    "    tracks_f=tracks_f,\n",
    "    tracks_in=tracks_in,\n",
    "    tracks_b=tracks_b,\n",
    "    mounting_holes=mounting_holes,\n",
    "    edge_cuts=edge_cuts,\n",
    "    components=components,\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 180,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/png": "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
      "text/plain": [
       "<Figure size 1100x1100 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "# plot the json\n",
    "plot_json(json_result)"
   ]
  }
 ],
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