Zephyr Workbench, a VSCode extension to manage Zephyr on STM32.
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
For more details, visit the Zephyr Workbench
This topic can be closed. It was a stack overflow problem.
The stack size (512 bytes) of FreeRTOS task was not enough to call sprintf function. This is surprising, at least for me, because the task does nothing but call sprintf function.
Thanks.
jmpardo.