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Zephyr project on STM32

   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

System Workbench for STM32

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HAL_Init() jumps to Infinite_Loop of startup_stm32.s

Posted by chfauck on 2020-04-08 18:15

Hi,

I setup a project for the STM32L431CBT6 MCU with the default main() from you. I can download and step through the program with the debugger. Then I added the HAL_Init() function with the corresponding #include “stm32l4xx_hal.h”. When I now step through the debugger, the HAL_Init() function jumps to the Infinite_Loop loop of the startup_stm32.s, when starting the systick timer in the HAL.

The SysTick_Handler() is available in stm32l4xx_it.c.

Could you help me, please? I have no idea why. The only thing I changed is the inlcude and the HAL_Init() in main.

Best regards
Christoph

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Posted by chfauck on 2020-04-09 10:34

Hi together,

I sovled it using a workaround. The HAL coming from System Workbench initializes and starts TIM6 as Systick timer. Immediately after start_IT the MCU crashes into the infinite loop.

I generated a project with the CubeMX also and copied the HAL, CMSIS, Drivers, Assembler start and so on to the System Workbench project and uses this now. It works fine.

-Christoph

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