Convert rules.mk to data-driven

keyboards/yowkees/keyball39/info.json

@@ -6,9 +6,37 @@
         "pid": "0x0200",
         "device_version": "1.0.0"
     },
+    "development_board": "promicro",
+    "features": {
+        "bootmagic": false,
+        "mousekey": false,
+        "extrakey": false,
+        "console": false,
+        "command": false,
+        "nkro": false,
+        "backlight": false,
+        "rgblight": false,
+        "rgb_matrix": false,
+        "oled": false,
+        "pointing_device": true,
+        "audio": false,
+        "sleep_led": false,
+        "grave_esc": false,
+        "magic": false,
+        "space_cadet": false
+    },
+    "build": {
+        "lto": true
+    },
+    "split": {
+        "enabled": true
+    },
     "rgblight": {
         "driver": "ws2812"
     },
+    "rgb_matrix": {
+        "driver": "ws2812"
+    },
     "layout_aliases": {
         "LAYOUT": "LAYOUT_right_ball",
         "LAYOUT_universal": "LAYOUT_no_ball"

keyboards/yowkees/keyball39/rules.mk

@@ -1,49 +1,9 @@
-# MCU name
-MCU = atmega32u4
-
-# Bootloader selection
-BOOTLOADER = caterina
-
-# Link Time Optimization required for size.
-LTO_ENABLE = yes
-
-# Build Options
-BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
-EXTRAKEY_ENABLE = no        # Audio control and System control
-CONSOLE_ENABLE = no         # Console for debug
-COMMAND_ENABLE = no         # Commands for debug and configuration
-NKRO_ENABLE = no            # Enable N-Key Rollover
-BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
-AUDIO_ENABLE = no           # Audio output
-
-# Keyball39 is split keyboard.
-SPLIT_KEYBOARD = yes
-
 # Optical sensor driver for trackball.
-POINTING_DEVICE_ENABLE = yes
 POINTING_DEVICE_DRIVER = custom
 SRC += drivers/pmw3360/pmw3360.c
 QUANTUM_LIB_SRC += spi_master.c # Optical sensor use SPI to communicate
 
-# This is unnecessary for processing KC_MS_BTN*.
-MOUSEKEY_ENABLE = no
-
-# Enabled only one of RGBLIGHT and RGB_MATRIX if necessary.
-RGBLIGHT_ENABLE = no        # Enable RGBLIGHT
-RGB_MATRIX_ENABLE = no      # Enable RGB_MATRIX (not work yet)
-RGB_MATRIX_DRIVER = ws2812
-
-# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
-SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
-
-# To support OLED
-OLED_ENABLE = no                # Please Enable this in each keymaps.
 SRC += lib/oledkit/oledkit.c    # OLED utility for Keyball series.
 
 # Include common library
 SRC += lib/keyball/keyball.c
-
-# Disable other features to squeeze firmware size
-SPACE_CADET_ENABLE = no
-GRAVE_ESC_ENABLE = no
-MAGIC_ENABLE = no