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# https://www.embecosm.com/resources/tool-chain-downloads/#riscv-stable
#CROSS_COMPILE ?= riscv32-unknown-elf-
# Toolchain from https://nucleisys.com/download.php
#CROSS_COMPILE ?= riscv-nuclei-elf-
# Toolchain from https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack
CROSS_COMPILE ?= riscv-none-elf-
SDK_DIR = hw/mcu/wch/ch583
SDK_SRC_DIR = $(SDK_DIR)/EVT/EXAM/SRC
include $(TOP)/$(BOARD_PATH)/board.mk
CPU_CORE ?= rv32imac-ilp32
CFLAGS += \
-flto \
-msmall-data-limit=16 \
-mno-save-restore \
-fmessage-length=0 \
-fsigned-char \
-DCFG_TUSB_MCU=OPT_MCU_CH583 \
-DCFG_TUD_WCH_USBIP_USBFS=1 \
-DFREQ_SYS=60000000 \
-DDISK_LIB_ENABLE=0 \
-DINT_SOFT \
-Wno-error=strict-prototypes
LDFLAGS += \
-nostartfiles \
--specs=nosys.specs --specs=nano.specs
LIBS += $(TOP)/$(SDK_SRC_DIR)/StdPeriphDriver/libISP583.a
SRC_C += \
src/portable/wch/dcd_ch32_usbfs.c \
$(SDK_SRC_DIR)/StdPeriphDriver/CH58x_gpio.c \
$(SDK_SRC_DIR)/StdPeriphDriver/CH58x_clk.c \
$(SDK_SRC_DIR)/StdPeriphDriver/CH58x_uart1.c \
$(SDK_SRC_DIR)/StdPeriphDriver/CH58x_sys.c \
$(FAMILY_PATH)/debug_uart.c \
$(FAMILY_PATH)/ch583_it.c \
$(FAMILY_PATH)/system_ch583.c
SRC_S += \
$(SDK_SRC_DIR)/Startup/startup_CH583.S
INC += \
$(TOP)/$(BOARD_PATH) \
$(TOP)/$(SDK_SRC_DIR)/RVMSIS \
$(TOP)/$(SDK_SRC_DIR)/StdPeriphDriver/inc
LD_FILE ?= $(FAMILY_PATH)/linker/ch582.ld
OPENOCD_OPTION=-f $(TOP)/$(FAMILY_PATH)/wch-riscv.cfg
flash: flash-openocd-wch
# For freeRTOS port source
FREERTOS_PORTABLE_SRC = $(FREERTOS_PORTABLE_PATH)/RISC-V
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