zmk_mf68/app/boards/arm/bdn9/bdn9_rev2_defconfig

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# SPDX-License-Identifier: MIT
CONFIG_SOC_SERIES_STM32F0X=y
CONFIG_SOC_STM32F072XB=y
# 72MHz system clock
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=72000000
# Floating Point Options
CONFIG_FPU=y
# enable GPIO
CONFIG_GPIO=y
# Enable pinctrl
CONFIG_PINCTRL=y
# Poll to avoid interrupt overlap issues
CONFIG_ZMK_KSCAN_DIRECT_POLLING=y
# Needed to reduce this to size that will fit on F072
CONFIG_HEAP_MEM_POOL_SIZE=1024
# clock configuration
CONFIG_CLOCK_CONTROL=y