qmk_firmware/layouts/community/split_3x6_3/drashna/rules.mk

# Build Options
#   change to "no" to disable the options, or define them in the Makefile in
#   the appropriate keymap folder that will get included automatically
#
BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
MOUSEKEY_ENABLE            = no  # Mouse keys
EXTRAKEY_ENABLE            = yes # Audio control and System control
CONSOLE_ENABLE             = no  # Console for debug
COMMAND_ENABLE             = no  # Commands for debug and configuration
NKRO_ENABLE                = yes # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
BACKLIGHT_ENABLE           = no  # Enable keyboard backlight functionality
AUDIO_ENABLE               = no  # Audio output
UNICODE_ENABLE             = no  # Unicode
BLUETOOTH_ENABLE           = no  # Enable Bluetooth
RGBLIGHT_ENABLE            = no  # Enable WS2812 RGB underlight.
SWAP_HANDS_ENABLE          = no  # Enable one-hand typing

# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend

ifeq ($(strip $(KEYBOARD)), crkbd/rev1)
    OLED_ENABLE = yes
    RGB_MATRIX_ENABLE = yes
    HAPTIC_ENABLE = no
endif

ifeq ($(strip $(CTPC)), yes)
    HAPTIC_ENABLE = no
    WS2812_DRIVER = pwm # won't work without a patch to the ctpc mk file
    SERIAL_DRIVER = usart
    SWAP_HANDS_ENABLE = yes
    WPM_ENABLE = yes
else
    CUSTOM_UNICODE_ENABLE = no
    BOOTLOADER = qmk-hid
    BOOTLOADER_SIZE = 512
endif