qmk_firmware/keyboards/treadstone48/rules.mk

# MCU name
MCU = atmega32u4

# Bootloader selection
#   Teensy       halfkay
#   Pro Micro    caterina
#   Atmel DFU    atmel-dfu
#   LUFA DFU     lufa-dfu
#   QMK DFU      qmk-dfu
#   ATmega32A    bootloadHID
#   ATmega328P   USBasp
BOOTLOADER = caterina

# Build Options
#   change yes to no to disable
#
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
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
NKRO_ENABLE = no            # USB Nkey Rollover
BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no           # Audio output on port C6
SPLIT_KEYBOARD = yes

MOUSEKEY_ENABLE = yes       # Mouse keys
TAP_DANCE_ENABLE = no

RGBLIGHT_ENABLE = yes        # Enable keyboard RGB underglow
OLED_ENABLE = yes
OLED_DRIVER = SSD1306

DEFAULT_FOLDER = treadstone48/rev1