qmk_firmware/keyboards/bioi/g60/rules.mk

# MCU name
MCU = atmega32u4

# Processor frequency
F_CPU = 8000000

# Bootloader selection
BOOTLOADER = qmk-dfu

SRC += ../usart.c \
       ../ble.c \
       ../main.c

OPT_DEFS += -DPROTOCOL_BLE
OPT_DEFS += -DUART_RX1_BUFFER_SIZE=16 -DUART_TX1_BUFFER_SIZE=16
OPT_DEFS += -DUSART1_ENABLED

# Build Options
#   change yes to no to disable
#
BOOTMAGIC_ENABLE = lite     # Virtual DIP switch configuration
MOUSEKEY_ENABLE = no        # Mouse keys
EXTRAKEY_ENABLE = yes       # Audio control and System control
CONSOLE_ENABLE = no         # Console for debug
COMMAND_ENABLE = yes        # 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 = yes      # Enable keyboard backlight functionality
RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
BLUETOOTH_ENABLE = no       # Enable Bluetooth
AUDIO_ENABLE = no           # Audio output
LTO_ENABLE = yes            # Reduce firmware size

VIA_ENABLE = yes            # VIA support should be enabled here due to the main() loop will be compiled first.