README.md

Oyamada Chaco with prk_firmware

• https://darakuneko.booth.pm/items/4594478
• https://github.com/picoruby/prk_firmware

keymap.rb

kbd = Keyboard.new

kbd.init_pins(
  [1, 2, 3, 4],
  [5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
)
kbd.add_layer :default, %i[
  KC_TAB  KC_Q    KC_W    KC_E     KC_R KC_T     KC_Y KC_U     KC_I     KC_O    KC_P      KC_LBRC KC_RBRC KC_BSLS RAISE
  KC_LCTL KC_A    KC_S    KC_D     KC_F KC_G     KC_H KC_J     KC_K     KC_L    KC_SCOLON KC_QUOT KC_ENT  nil     LOWER
  KC_LSFT KC_Z    KC_X    KC_C     KC_V KC_B     KC_N KC_M     KC_COMMA KC_DOT  KC_SLASH  KC_ESC  KC_UP   nil     nil
  LOWER   KC_LALT KC_LGUI KC_SPACE nil  KC_BSPC  nil  KC_LANG2  nil KC_LANG  KC_LALT        nil     KC_LEFT KC_DOWN KC_RGHT
]
kbd.add_layer :lower, %i[
  KC_GRAVE KC_1    KC_2    KC_3     KC_4    KC_5    KC_6  KC_7    KC_8    KC_9    KC_0   KC_MINUS KC_EQUAL nil     nil
  nil      KC_F1   KC_F2   KC_F3    KC_F4   KC_F5   KC_F6 KC_F7   KC_F8   KC_F9   KC_F10 nil      nil      nil     nil
  KC_LSFT  KC_F11  KC_F12  KC_LPRN  KC_RPRN KC_AMPR nil   nil     nil     nil     KC_GRV KC_LBRC  nil      nil     nil
  nil      KC_LALT KC_LGUI KC_SPACE nil     KC_BSPC nil   KC_RGUI KC_LCTL KC_LALT nil    nil      KC_LEFT  KC_DOWN KC_RGHT
]
#kbd.add_layer :lower, %i[
#  KC_EXLM  KC_AT     KC_HASH  KC_DLR   KC_PERC    KC_CIRC  KC_AMPR  KC_ASTER    KC_LPRN  KC_RPRN
#  KC_DEL   KC_ESC    KC_NO    KC_NO    KC_NO       KC_PGDN  KC_PGUP  KC_PSCREEN  KC_NO    KC_NO
#  KC_CAPot  KC_VOLU   KC_NO,   KC_ENT   RESET                        KC_NO    KC_NO    KC_NO       KC_UP    KC_NO
#  KC_NO    KC_VOLD   KC_LGUI  KC_LSFT  KC_SPC  KC_BSPC    KC_LALT   KC_ENT   KC_NO    KC_LEFT     KC_DOWN  KC_RGHT
#]

#kbd.define_mode_key :RAISE, [ :KC_NO, :raise, 150, 200 ]
kbd.define_mode_key :LOWER, [ :KC_NO, :lower, 150, 200 ]
#kbd.define_mode_key :IME_TOGGLE, [ :KC_LANG1, :default, 300, 150 ] # EISU

# `before_report` will work just right before reporting what keys are pushed to USB host.
# You can use it to hack data by adding an instance method to Keyboard class by yourself.
# ex) Use Keyboard#before_report filter if you want to input `":" w/o shift` and `";" w/ shift`
# kbd.before_report do
#   kbd.invert_sft if kbd.keys_include?(:KC_SCOLON)
#   # You'll be also able to write `invert_ctl` `invert_alt` and `invert_gui`
# end

# Initialize RGBLED with pin, underglow_size, backlight_size and is_rgbw.
rgb = RGB.new(
  0,    # pin number
  0,    # size of underglow pixel
  61,   # size of backlight pixel
  false # 32bit data will be sent to a pixel if true while 24bit if false
)

# 15 * 5 => 65 which is 4 larger than 61
RGB_COL_COUNT = 15
RGB_ROW_COUNT = 5

# So we'll have to exclude 6 of them
# (Compare with the photo of the Amatelus73)
EXCLUDE_POS = [
  # Exclude five LED positions from the fifth row
  [11, 4], [12, 4], [13, 4], [14, 4]
]

ROW_REVERSED = [
  true,   # First row
  false,
  true,   # Third row
  false,
  true,    # Fifth row
]

def x_pos(col)
  224 / (RGB_COL_COUNT - 1) * col
end

def y_pos(row)
  64 / (RGB_ROW_COUNT - 1) * row
end

rgb = RGB.new(0, 0, 74)

RGB_ROW_COUNT.times do |row_index|
  RGB_COL_COUNT.times do |col|
    col_index = ROW_REVERSED[row_index] ? (RGB_COL_COUNT - col - 1) : col
    unless EXCLUDE_POS.include?([col_index, row_index])
      rgb.add_pixel(x_pos(col_index), y_pos(row_index))
    end
  end
end

# Set an effect
rgb.effect     = :rainbow_mood
rgb.speed      = 22  # 1-31  / default: 22
rgb.hue        = 100 # 0-100 / default: 0
rgb.saturation = 100 # 0-100 / default: 100
rgb.value      = 13

# Append the feature. Will possibly be able to write `Keyboard#append(OLED.new)` in the future
kbd.append rgb

kbd.start!