# Ergogen config for the protoEepyBoard
#
# Reference information:
# - Keycap size (FK MBK keycaps): 17.5mm x 16.5mm

# Metadata
meta:
  # Required version of Ergogen
  engine: "4.1.0"
  # Version of the board
  version: "1.0"
  author: binaryDiv

# Define units and default values used throughout this file
units:
  # Redefine choc units (keycap size + 1mm clearance)
  cx: 18.5
  cy: 17.5

  # Size of key rectangle in demo view (keycap size)
  $default_width: cx-1
  $default_height: cy-1

  # Actual spacing of keys
  $default_spread: cx
  $default_padding: cy

# Define the points (i.e. keys)
points:
  key:
    # Tag all points as "is_key" unless overwritten
    tags: [ is_key ]

  zones:
    # Primary keyboard zone
    primary:
      # Set anchor to fix placement on KiCad sheet
      anchor:
        shift: [ 100, -150 ]

      # Key rows (from bottom to top)
      rows:
        # Modifier row (Ctrl, ..., but excluding the thumb keys)
        mod:
          row_net: P9
        # Bottom letter row (Shift, Backspace, ZXCV...)
        bottom:
          row_net: P7
        # Middle letter row (Esc, ASDFG...)
        home:
          row_net: P5
        # Top letter row (Tab, QWERT...)
        top:
          row_net: P3
        # Number row (`, 12345...)
        num:
          row_net: P1

      # Key columns (from left to right)
      columns:
        # Left-most column (`, Tab, Esc, Shift, Ctrl)
        outer:
          key.column_net: P10
          key.stagger: 0.25cy

        # First letter column (1, QA, ...)
        one:
          key.column_net: P8
          key.stagger: 0.25cy

        # Second letter column (2, WSZ)
        two:
          key.column_net: P6
          rows.mod.skip: true

        # Third letter column (3, EDX)
        three:
          key.column_net: P4
          rows.mod.skip: true

        # Fourth letter column (4, RFC)
        four:
          key.column_net: P2
          key.stagger: -0.25cy
          rows.mod.skip: true

        # Fifth letter column (5, TGV)
        five:
          key.column_net: P12
          key.stagger: -0.25cy
          rows.mod.skip: true

    # Thumb fan
    thumb:
      # Position thumb keys based on the (non-existant) third key in the modifier row
      anchor:
        ref: primary_three_mod
        shift: [ -0.5cx, -0.25cy ]

      # Rotate the thumb keys around the bottom-left corner of the key
      key:
        row_net: P9
        origin: [ -0.5cx, -0.5cy ]
        splay: -8

      # Define thumb keys
      columns:
        one:
          key.column_net: P6
        two:
          key.column_net: P4
        three:
          key.column_net: P2
        four:
          key.column_net: P12

# Generate outlines that can be used in the PCB and for 3D models
outlines:
  # Outline of the key caps
  keys:
    - what: rectangle
      where: is_key
      size: [ cx - 1, cy - 1 ]

  # Outline for the PCB
  board:
    - what: polygon
      points:
        - ref: primary_outer_num
          shift: [ -0.5cx, 0.75cy ]
        - ref: primary_five_num
          shift: [ 0.5cx + 0, cy ]
        - ref: primary_five_bottom
          shift: [ 0.5cx + 0, -cy - 6 ]
        - ref: thumb_four
          shift: [ 0.5cx, 0.5cy ]
        - ref: thumb_four
          shift: [ 0.5cx, -0.5cy ]
        - ref: thumb_three
          shift: [ 0.5cx, -0.5cy ]
        - ref: thumb_two
          shift: [ 0.5cx, -0.5cy ]
        - ref: thumb_one
          shift: [ 0.5cx, -0.5cy ]
        - ref: thumb_one
          shift: [ -0.5cx, -0.5cy ]
        - ref: primary_one_mod
          shift: [ 0.5cx, -0.75cy ]
        - ref: primary_outer_mod
          shift: [ -0.5cx, -0.5cy ]
      expand: 4

  # Preview version of board with key caps and components for visualization
  board_preview:
    - board
    - ^keys
    # Pin header
    - what: rectangle
      operation: stack
      where: primary_five_num
      size: [ 5.2, 15.4 ]
      adjust.rotate: 90
      adjust.shift: [ 0cx, cy - 2 ]

  # Cutouts for the switches
  switch_cutouts:
    - what: rectangle
      where: is_key
      size: 14

  # Board outline with switch cutouts
  switch_plate:
    - board
    - -switch_cutouts

# Generate the PCB
pcbs:
  protoeepyboard:
    outlines:
      main:
        outline: board

    footprints:
      choc_hotswap:
        what: choc_pretty
        where: is_key
        # Rotate footprint so that the hotswap socket is at the bottom and the LED can be at the top
        adjust.rotate: 180
        params:
          keycaps: true
          reverse: true
          hotswap: true
          from: "{{column_net}}"
          to: "{{colrow}}"

      diode:
        what: diode_smd
        where: is_key
        adjust:
          shift: [ 0, 4.7 ]
          rotate: 180
        params:
          side: B
          from: "{{colrow}}"
          to: "{{row_net}}"

      pin_header:
        what: pin_header_2x6
        where:
          ref: primary_five_num
          rotate: 90
          # The footprint's origin is on the first pin, so we need an offset of -6.35 / -1.27 (2.5 pins, 0.5 pins) to
          # center the footprint.
          shift: [ 0 - 6.35, cy - 2 - 1.27 ]

      # Mounting holes
      mounting_hole_top_left:
        what: mountinghole_m2
        where:
          ref: primary_outer_num
          shift: [ 0cx, 0.5cy + 4 ]

      mounting_hole_top_right:
        what: mountinghole_m2
        where:
          ref: primary_five_num
          shift: [ 0.5cx + 1.5, 0.5cy + 2 ]

      mounting_hole_bottom_left:
        what: mountinghole_m2
        where:
          ref: primary_one_mod
          shift: [ -0.25cx, -0.5cy - 4 ]

      mounting_hole_bottom_right:
        what: mountinghole_m2
        where:
          ref: primary_five_bottom
          shift: [ 0.25cx, -0.75cy - 2 ]