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Zephyr project on STM32

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STM32F411VE Incorrect Vector Table in startup_stm32.s

Posted by dsweet on 2018-03-03 03:27

I just created an empty project for the STM32F411E-DISCO board with the STM32F411VE part on it. In the process of porting an old project to this processor, I found my code kept hitting the Default_Handler in startup_stm32.s.

After digging a bit, I found it was my UART TX ISR and then to my dismay the listed vectors from the auto-generated Vector Table for this part was missing many ISR definitions, including all UART ISRs. When comparing the generated vector table to the actual vector table from the STMF411VE datasheet, I see there are many missing.

I’ve attached the startup_stm32.s for the STM32F411VE part, which if compared to Table 37 of the reference manuaQuestionl will show the missing vectors.

Is this a bug, or did I miss some step of configuration when I set up my project (I’m new to OpenSTM32 and ST MCUs)?

startup_stm32.s (15.97 Kb)
Reads: 6255
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Posted by LaurentL on 2018-03-07 10:52

Hello,

Yes, it seems a few IT vectors are missing. Needs to be corrected.

It is only in this latest version of SW4STM32 (2.4.0) that it generates the startup file with It vectors for empty project.
Beforehand, there was no it vectors for peripherals for empty project.

You can pick the startup file in the HAL F4 (startup_stm32f411xe.s), it is up to date with all IT vectors.
Or create a project for F411 Disco with HAL, it will copy the startup from HAL.

Rgds,
Laurent

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