ifeq ($(USE_SMART_BUILD),yes)
ifneq ($(findstring HAL_USE_UART TRUE,$(HALCONF)),)
PLATFORMSRC_CONTRIB += ${CHIBIOS_CONTRIB}/os/hal/ports/NRF5/LLD/UARTEv1/hal_uart_lld.c
endif
else
PLATFORMSRC_CONTRIB += ${CHIBIOS_CONTRIB}/os/hal/ports/NRF5/LLD/UARTEv1/hal_uart_lld.c
endif
PLATFORMINC_CONTRIB += ${CHIBIOS_CONTRIB}/os/hal/ports/NRF5/LLD/UARTEv1