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CFLAGS += \
-flto \
-mthumb \
-mcpu=cortex-m4 \
-mfloat-abi=hard \
-mfpu=fpv4-sp-d16 \
-nostdlib -nostartfiles \
-D__STARTUP_CLEAR_BSS \
-D__START=main \
-DEFM32GG12B810F1024GM64 \
-DCFG_TUSB_MCU=OPT_MCU_EFM32GG12
# mcu driver cause following warnings
#CFLAGS += -Wno-error=unused-parameter
SILABS_FAMILY = efm32gg12b
SILABS_CMSIS = hw/mcu/silabs/cmsis-dfp-$(SILABS_FAMILY)/Device/SiliconLabs/$(shell echo $(SILABS_FAMILY) | tr a-z A-Z)
DEPS_SUBMODULES += hw/mcu/silabs/cmsis-dfp-$(SILABS_FAMILY)
DEPS_SUBMODULES += lib/CMSIS_5
# All source paths should be relative to the top level.
LD_FILE = $(SILABS_CMSIS)/Source/GCC/$(SILABS_FAMILY).ld
SRC_C += \
$(SILABS_CMSIS)/Source/system_$(SILABS_FAMILY).c \
src/portable/silabs/efm32/dcd_efm32.c
SRC_S += \
$(SILABS_CMSIS)/Source/GCC/startup_$(SILABS_FAMILY).S
INC += \
$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
$(TOP)/$(SILABS_CMSIS)/Include \
$(TOP)/hw/bsp/$(BOARD)
# For TinyUSB port source
VENDOR = silabs
CHIP_FAMILY = efm32
# For freeRTOS port source
FREERTOS_PORT = ARM_CM4
# For flash-jlink target
JLINK_DEVICE = EFM32GG12B810F1024
flash: flash-jlink
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