qmk_firmware_custom/keyboards/simontester/rules.mk

# project specific files
SRC =	matrix.c \
	led.c

## chip/board settings
# - the next two should match the directories in
#   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
MCU_FAMILY = STM32
MCU_SERIES = STM32F0xx

# Linker script to use
# - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
#   or <this_dir>/ld/
MCU_LDSCRIPT = STM32F042x6

# Startup code to use
#  - it should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
MCU_STARTUP = stm32f0xx

# Board: it should exist either in <chibios>/os/hal/boards/
#  or <this_dir>/boards
BOARD = GENERIC_STM32_F04

# Cortex version
MCU  = cortex-m0

# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
ARMV = 6

# Vector table for application
# 0x00000000-0x00001000 area is occupied by bootlaoder.*/
# The CORTEX_VTOR... is needed only for MCHCK/Infinity KB
#OPT_DEFS = -DCORTEX_VTOR_INIT=0x00001000
OPT_DEFS = 

# Build Options
#   comment out to disable the options.
#
BOOTMAGIC_ENABLE ?= yes	# Virtual DIP switch configuration
MOUSEKEY_ENABLE ?= yes	# Mouse keys
EXTRAKEY_ENABLE ?= yes	# Audio control and System control
CONSOLE_ENABLE ?= yes	# Console for debug
COMMAND_ENABLE ?= yes    # Commands for debug and configuration
#SLEEP_LED_ENABLE ?= yes  # Breathing sleep LED during USB suspend
NKRO_ENABLE ?= yes	    # USB Nkey Rollover
CUSTOM_MATRIX ?= yes # Custom matrix file