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include_guard()
set(UF2_FAMILY_ID 0x699b62ec)
set(CH32_FAMILY ch32v20x)
set(SDK_DIR ${TOP}/hw/mcu/wch/${CH32_FAMILY})
set(SDK_SRC_DIR ${SDK_DIR}/EVT/EXAM/SRC)
# include board specific
include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
# toolchain set up
set(CMAKE_SYSTEM_CPU rv32imac-ilp32 CACHE INTERNAL "System Processor")
set(CMAKE_TOOLCHAIN_FILE ${TOP}/examples/build_system/cmake/toolchain/riscv_${TOOLCHAIN}.cmake)
set(FAMILY_MCUS CH32V20X CACHE INTERNAL "")
set(OPENOCD_OPTION "-f ${CMAKE_CURRENT_LIST_DIR}/wch-riscv.cfg")
# Port0 use FSDev, Port1 use USBFS
if (NOT DEFINED RHPORT_DEVICE)
set(RHPORT_DEVICE 0)
endif ()
# only port1 support host mode
set(RHPORT_HOST 1)
#------------------------------------
# Startup & Linker script
#------------------------------------
if (NOT DEFINED LD_FILE_GNU)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/linker/${CH32_FAMILY}.ld)
endif ()
set(LD_FILE_Clang ${LD_FILE_GNU})
if (NOT DEFINED STARTUP_FILE_GNU)
set(STARTUP_FILE_GNU ${SDK_SRC_DIR}/Startup/startup_${CH32_FAMILY}_${MCU_VARIANT}.S)
endif ()
set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
#------------------------------------
# Board Target
#------------------------------------
function(family_add_board BOARD_TARGET)
add_library(${BOARD_TARGET} STATIC
${SDK_SRC_DIR}/Core/core_riscv.c
${SDK_SRC_DIR}/Peripheral/src/${CH32_FAMILY}_flash.c
${SDK_SRC_DIR}/Peripheral/src/${CH32_FAMILY}_gpio.c
${SDK_SRC_DIR}/Peripheral/src/${CH32_FAMILY}_misc.c
${SDK_SRC_DIR}/Peripheral/src/${CH32_FAMILY}_rcc.c
${SDK_SRC_DIR}/Peripheral/src/${CH32_FAMILY}_usart.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/system_${CH32_FAMILY}.c
)
target_include_directories(${BOARD_TARGET} PUBLIC
${SDK_SRC_DIR}/Core
${SDK_SRC_DIR}/Peripheral/inc
${CMAKE_CURRENT_FUNCTION_LIST_DIR}
)
target_compile_definitions(${BOARD_TARGET} PUBLIC
CH32V20x_${MCU_VARIANT}
BOARD_TUD_RHPORT=${RHPORT_DEVICE}
BOARD_TUH_RHPORT=${RHPORT_HOST}
)
if (RHPORT_DEVICE EQUAL 0)
target_compile_definitions(${BOARD_TARGET} PUBLIC CFG_TUD_WCH_USBIP_FSDEV=1)
target_compile_definitions(${BOARD_TARGET} PUBLIC CFG_TUH_WCH_USBIP_FSDEV=1)
elseif (RHPORT_DEVICE EQUAL 1)
target_compile_definitions(${BOARD_TARGET} PUBLIC CFG_TUD_WCH_USBIP_USBFS=1)
else()
message(FATAL_ERROR "Invalid RHPORT_DEVICE ${RHPORT_DEVICE}")
endif()
update_board(${BOARD_TARGET})
if (LD_FLASH_SIZE STREQUAL 224K)
target_compile_definitions(${BOARD_TARGET} PUBLIC
CH32_FLASH_ENHANCE_READ_MODE=1
)
endif()
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
target_compile_options(${TARGET} PUBLIC -mcmodel=medany)
endif()
endfunction()
#------------------------------------
# Functions
#------------------------------------
function(family_configure_example TARGET RTOS)
family_configure_common(${TARGET} ${RTOS})
family_add_tinyusb(${TARGET} OPT_MCU_CH32V20X)
target_sources(${TARGET} PUBLIC
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../board.c
${TOP}/src/portable/wch/dcd_ch32_usbfs.c
${TOP}/src/portable/wch/hcd_ch32_usbfs.c
${TOP}/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
${TOP}/src/portable/st/stm32_fsdev/fsdev_common.c
${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
)
target_include_directories(${TARGET} PUBLIC
${CMAKE_CURRENT_FUNCTION_LIST_DIR}
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../../
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
)
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
target_link_options(${TARGET} PUBLIC
-nostartfiles
--specs=nosys.specs --specs=nano.specs
-Wl,--defsym=__FLASH_SIZE=${LD_FLASH_SIZE}
-Wl,--defsym=__RAM_SIZE=${LD_RAM_SIZE}
"LINKER:--script=${LD_FILE_GNU}"
)
elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
message(FATAL_ERROR "Clang is not supported")
elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
target_link_options(${TARGET} PUBLIC
"LINKER:--config=${LD_FILE_IAR}"
)
endif ()
set_source_files_properties(${STARTUP_FILE_${CMAKE_C_COMPILER_ID}} PROPERTIES
SKIP_LINTING ON
COMPILE_OPTIONS -w)
# Flashing
family_add_bin_hex(${TARGET})
family_flash_openocd(${TARGET})
family_flash_wlink_rs(${TARGET})
#family_flash_uf2(${TARGET} ${UF2_FAMILY_ID})
endfunction()
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