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Zephyr project on STM32

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It enables users to easily create, develop, and debug Zephyr applications.
Main features:
  • Install host dependencies.
  • Import toolchain and SDK.
  • Create, configure, build and manage apps.
  • Debug STM32.
You can directly download it from the VSCode marketplace
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System Workbench for STM32


[SOLVED] _exit again - Nucleo401 + example IHM01A1

Hi everybody,

I have board - NucleoF401RE, and expansion board IHM01A1 (motor controller)

I tried load and debug some example program from ST.COM. But when try compile it, I receive error:

‘Building target: STM32F401RE-Nucleo.elf’
‘Invoking: MCU GCC Linker’
arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wl,-Map=output.map -Wl,--gc-sections -lm -o “STM32F401RE-Nucleo.elf” @”objects.list”
c:/ac6/systemworkbench/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.7.0.201602121829/tools/compiler/bin/../lib/gcc/arm-none-eabi/5.2.1/../../../../arm-none-eabi/lib/armv7e-m/fpu\libc.a(lib_a-exit.o): In function `exit’:
exit.c:(.text.exit+0x16): undefined reference to `_exit’
collect2.exe: error: ld returned 1 exit status
make: *** STM32F401RE-Nucleo.elf Error 1


Google and other friends find some suggestion but without effect.


Any idea?

Thanks...

France

Hi,

You have obviously converted the project from C to C++ (as you are using collect2 in th elink phase). This conversion has a small bug (that will be corrected soon) where link editor options set to the C project are not transfered to the C++ project (as th elink editor is different).

You should add in project >> Properties >> C/C++ Build >> Settings >> MCU G++ Linker >> Miscellaneous in the appropriate text box the “-specs=nosys.specs -specs=nano.specs” settings that are provided in the C version of the project.

Alternatively you can also get the syscalls.c file from a System Workbench-generated project and place a copy in the source folder, near your main.c file

Bernard (Ac6)


Hi Bernard,

Now it is working,

thanks for help.

lx.


 

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