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# Toolchain from https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack
CROSS_COMPILE = riscv-none-elf-
CPU_CORE ?= rv32i-ilp32
CFLAGS += \
-flto \
-DCFG_TUSB_MCU=OPT_MCU_VALENTYUSB_EPTRI
LDFLAGS += \
-nostdlib \
--specs=nosys.specs --specs=nano.specs \
# All source paths should be relative to the top level.
LD_FILE = $(FAMILY_PATH)/fomu.ld
SRC_C += src/portable/valentyusb/eptri/dcd_eptri.c
SRC_S += $(FAMILY_PATH)/crt0-vexriscv.S
INC += \
$(TOP)/$(FAMILY_PATH)/include
# For freeRTOS port source
FREERTOS_PORTABLE_SRC = $(FREERTOS_PORTABLE_PATH)/RISC-V
# flash using dfu-util
$(BUILD)/$(PROJECT).dfu: $(BUILD)/$(PROJECT).bin
@echo "Create $@"
python $(TOP)/$(FAMILY_PATH)/dfu.py -b $^ -D 0x1209:0x5bf0 $@
flash: $(BUILD)/$(PROJECT).dfu
dfu-util -D $^
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