candleLight_fw/CMakeLists.txt
Marc Kleine-Budde b88e9597a4 cmake: stm32g0b1xx: decrease flash size to 128k
The smallest model of the stm32g0b1 series, i.e. the stm32g0b1xb, has
only 128 KiBytes of RAM. In order to support these chips, adjust the
input for the linker script generation accordingly.

Closes: https://github.com/candle-usb/candleLight_fw/issues/174
2024-06-06 09:56:12 +02:00

297 lines
8.4 KiB
CMake

cmake_minimum_required(VERSION 3.13)
project(candleLightFirmware C ASM)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
add_compile_options(
--specs=nano.specs
--specs=nosys.specs
-O2
-Wall
-Werror
-Wextra
-Wstrict-prototypes
-fdata-sections
-ffat-lto-objects
-ffreestanding
-ffunction-sections
-flto
-fmessage-length=0
-fsigned-char
-g3
-mthumb
-std=gnu11
)
#need these later, per-platform
set(CPUFLAGS_F0 -mcpu=cortex-m0)
set(CPUFLAGS_F4 -mcpu=cortex-m4)
set(CPUFLAGS_G0 -mcpu=cortex-m0)
add_link_options(
--specs=nano.specs
--specs=nosys.specs
-Wall
-Wextra
-g3
-mthumb
LINKER:--gc-sections
LINKER:--print-memory-usage
)
add_subdirectory(libs/STM32_HAL)
add_subdirectory(libs/STM32_USB_Device_Library)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
# Add a custom target that produces version.h, plus
# a dummy output that's not actually produced, in order
# to force version.hmake to always be re-run before the build
add_custom_target(version_h
BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/version.h"
COMMAND ${CMAKE_COMMAND}
-D SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}"
-P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/gitversion.cmake
)
set(
SOURCE_FILES
include/config.h
include/gs_usb.h
include/usbd_desc.h src/usbd_desc.c
include/usbd_gs_can.h src/usbd_gs_can.c
src/usbd_conf.c
include/can.h
include/can_common.h src/can_common.c
include/device.h
include/dfu.h src/dfu.c
include/gpio.h src/gpio.c
include/led.h src/led.c
include/timer.h src/timer.c
include/util.h src/util.c
src/startup.c
src/main.c
src/interrupts.c
${CMAKE_CURRENT_BINARY_DIR}/version.h
)
####### some helpers to generate targets
## objcopy to produce .bin file
function(make_bin_file target)
add_custom_command(
TARGET ${target} POST_BUILD
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
BYPRODUCTS ${target}.bin
COMMAND ${CMAKE_OBJCOPY} -O binary ${target} ${target}.bin
)
endfunction()
## report size
function(show_object_size target)
string(REPLACE "objcopy" "size" CMAKE_OBJSIZE "${CMAKE_OBJCOPY}")
add_custom_command(
TARGET ${target} POST_BUILD
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMAND ${CMAKE_OBJSIZE} ${target}
)
endfunction()
find_package(DFUSuffix)
## run dfu-suffix to append DFU stuff and signature; generate relevant flash-* target
# TODO ? : run with execute_proces(... OUTPUT_QUIET ) instead of '... 1>/dev/null'
function(dfu_flash target)
if (DFU_SUFFIX_EXECUTABLE)
add_custom_command(TARGET ${target}
DEPENDS ${target}
BYPRODUCTS ${target}.dfu
COMMAND ${CMAKE_OBJCOPY} -O binary ${target} ${target}.dfu
COMMAND ${DFU_SUFFIX_EXECUTABLE} --add ${target}.dfu --vid 1d50 --pid 606f 1>/dev/null
COMMENT "create and sign dfu bin file: ${TGTNAME}_fw"
)
add_custom_target(flash-${target}
dfu-util -a 0 -s 0x08000000:leave -D ${target}.dfu
DEPENDS ${target}.dfu
)
else()
add_custom_target(flash-${target}
dfu-util -d 1d50:606f -a 0 -s 0x08000000:leave -D ${target}.bin
DEPENDS ${target}.bin
)
endif()
endfunction()
######### ldscripts are mostly identical.
# There's many ways of handling this :
# - external script (e.g. python), see e.g. libopencm3
# - preprocess .ldscript with gcc (some caveats, since .ld syntax != C)
# - concatenate files with file(APPEND...) : I wasn't able to make this work
# - configure_file().
#
# With configure_file(), the ldscripts are generated
# at configure time.
function(populate_ldscript)
set(prefix LDV)
set(options)
set(oneValueArgs
CPU_FAMILY
FLASH_START
FLASH_SIZE
RAM_START
RAM_SIZE
STACK_SIZE
HEAP_SIZE)
set(multiValueArgs)
cmake_parse_arguments("${prefix}" "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
# now we should have function-scope vars like LDV_FLASH_SIZE etc.
# Produce a new file in the current builddir
configure_file(ldscripts/ldscript_base.inc ${${prefix}_CPU_FAMILY}_processed.ld)
endfunction()
##################
# generate ldscripts for all supported targets.
# If this gets out of hand, an external solution may be better
# (e.g. like libopencm3 does with a python script)
populate_ldscript(CPU_FAMILY STM32F042X6
FLASH_START 0x08000000
FLASH_SIZE 32k
RAM_START 0x20000000
RAM_SIZE 6k
STACK_SIZE 1k
HEAP_SIZE 0k
)
populate_ldscript(CPU_FAMILY STM32F072XB
FLASH_START 0x08000000
FLASH_SIZE 128k
RAM_START 0x20000000
RAM_SIZE 16k
STACK_SIZE 2k
HEAP_SIZE 0k
)
populate_ldscript(CPU_FAMILY STM32F407XE
FLASH_START 0x08000000
FLASH_SIZE 512k
RAM_START 0x20000000
RAM_SIZE 128k
STACK_SIZE 2k
HEAP_SIZE 1k
)
populate_ldscript(CPU_FAMILY STM32G0B1xx
FLASH_START 0x08000000
FLASH_SIZE 128k
RAM_START 0x20000000
RAM_SIZE 144k
STACK_SIZE 2k
HEAP_SIZE 1k
)
######### commands for adding each target have a lot in common: make helper func.
# one helper func per STM32 CPU family
function(add_target_common TGTNAME CPU_FAMILY)
add_executable(${TGTNAME}_fw ${SOURCE_FILES})
add_dependencies(${TGTNAME}_fw version_h)
target_include_directories(${TGTNAME}_fw PRIVATE include/ ${CMAKE_CURRENT_BINARY_DIR})
target_link_options(${TGTNAME}_fw PRIVATE -T ${CPU_FAMILY}_processed.ld LINKER:-Map=${TGTNAME}_fw.map)
make_bin_file(${TGTNAME}_fw)
dfu_flash(${TGTNAME}_fw)
show_object_size(${TGTNAME}_fw)
endfunction()
function(add_f042_target TGTNAME)
add_target_common(${TGTNAME} STM32F042X6)
target_compile_options(${TGTNAME}_fw BEFORE PRIVATE ${CPUFLAGS_F0})
target_compile_definitions(${TGTNAME}_fw PRIVATE BOARD_${TGTNAME} STM32F0)
target_sources(${TGTNAME}_fw PRIVATE "src/can/bxcan.c")
target_sources(${TGTNAME}_fw PRIVATE "src/device/device_f0.c")
target_link_options(${TGTNAME}_fw BEFORE PRIVATE ${CPUFLAGS_F0})
target_link_libraries(${TGTNAME}_fw PRIVATE STM32_HAL_STM32F042x6 STM32_USB_Device_Library_STM32F042x6)
endfunction()
function(add_f072_target TGTNAME)
add_target_common(${TGTNAME} STM32F072XB)
target_compile_options(${TGTNAME}_fw BEFORE PRIVATE ${CPUFLAGS_F0})
target_compile_definitions(${TGTNAME}_fw PRIVATE BOARD_${TGTNAME} STM32F0)
target_sources(${TGTNAME}_fw PRIVATE "src/can/bxcan.c")
target_sources(${TGTNAME}_fw PRIVATE "src/device/device_f0.c")
target_link_options(${TGTNAME}_fw BEFORE PRIVATE ${CPUFLAGS_F0})
target_link_libraries(${TGTNAME}_fw PRIVATE STM32_HAL_STM32F072xB STM32_USB_Device_Library_STM32F072xB)
endfunction()
function(add_f407_target TGTNAME)
add_target_common(${TGTNAME} STM32F407XE)
target_compile_definitions(${TGTNAME}_fw PRIVATE BOARD_${TGTNAME} STM32F4)
target_compile_options(${TGTNAME}_fw BEFORE PRIVATE ${CPUFLAGS_F4})
target_sources(${TGTNAME}_fw PRIVATE "src/can/bxcan.c")
target_sources(${TGTNAME}_fw PRIVATE "src/device/device_f4.c")
target_link_options(${TGTNAME}_fw BEFORE PRIVATE ${CPUFLAGS_F4})
target_link_libraries(${TGTNAME}_fw PRIVATE STM32_HAL_STM32F407xE STM32_USB_Device_Library_STM32F407xE)
endfunction()
function(add_g0b1_target TGTNAME)
add_target_common(${TGTNAME} STM32G0B1xx)
target_compile_definitions(${TGTNAME}_fw PRIVATE BOARD_${TGTNAME} STM32G0)
target_compile_options(${TGTNAME}_fw BEFORE PRIVATE ${CPUFLAGS_G0})
target_sources(${TGTNAME}_fw PRIVATE "src/device/device_g0.c")
target_link_options(${TGTNAME}_fw BEFORE PRIVATE ${CPUFLAGS_G0})
target_link_libraries(${TGTNAME}_fw PRIVATE STM32_HAL_STM32G0B1xx STM32_USB_Device_Library_STM32G0B1xx)
endfunction()
########## generate list of targets.
# the "_fw" part is appended automatically
set(TGTF042_LIST "cantact" "canalyze" "canable" "usb2can" "cannette")
set(TGTF072_LIST "candleLight" "CANable_MKS" "CONVERTDEVICE_xCAN" "DSD_TECH_SH_C30A" "FYSETC_UCAN")
set(TGTF407_LIST "STM32F4_DevBoard")
set(TGTG0B1_LIST "budgetcan" "CONVERTDEVICE_xCANFD")
foreach (TGTNAME IN LISTS TGTF042_LIST)
option(BUILD_${TGTNAME} "Build firmware for \"${TGTNAME}\" (default=yes)" ON)
if (BUILD_${TGTNAME})
add_f042_target(${TGTNAME})
endif()
endforeach()
foreach (TGTNAME IN LISTS TGTF072_LIST)
option(BUILD_${TGTNAME} "Build firmware for \"${TGTNAME}\" (default=yes)" ON)
if (BUILD_${TGTNAME})
add_f072_target(${TGTNAME})
endif()
endforeach()
foreach (TGTNAME IN LISTS TGTF407_LIST)
option(BUILD_${TGTNAME} "Build firmware for \"${TGTNAME}\" (default=yes)" ON)
if (BUILD_${TGTNAME})
add_f407_target(${TGTNAME})
endif()
endforeach()
foreach (TGTNAME IN LISTS TGTG0B1_LIST)
option(BUILD_${TGTNAME} "Build firmware for \"${TGTNAME}\" (default=yes)" OFF)
if (BUILD_${TGTNAME})
add_g0b1_target(${TGTNAME})
endif()
endforeach()
message("*******************")
message("You may now:\n\t-compile all targets ('make')\n\t-compile a single target (e.g. 'make cantact_fw'")
message("\t-flash a device (e.g. 'make flash-cantact_fw'")