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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.
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System Workbench for STM32

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NVIC causes a hardware fault

Posted by Ian Haslam on 2016-08-23 17:11

I have come to System Workbench after using Coocox. The target board uses a STM32F030C8T6 chip on a custom board. I ported the working code from Coocox to System Workbench as a trial to gain familiarity with the development environment. However I have run into a problem where the code crashes when the NVIC_Init for a USART1 port is envoked.

NVIC_InitTypeDef NVIC_InitStructure;

// Enable SYSCFG clock
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);

NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);

Does anybody have any idea why this is happening?

Reads: 7676
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Posted by Ian Haslam on 2016-08-25 16:59
Found the problem. The startup_stm32.s file was missing vectors and interupt handlers. I compared the AC6 version with ST version and there were quite a few discrepancies. A working example can be found at https://github.com/szczys/stm32f0-discovery-basic-template/blob/master/Libraries/CMSIS/Device/ST/STM32F0xx/Source/Templates/TrueSTUDIO/startup_stm32f0xx.s”Question rel=”external”> https://github.com/szczys/stm32f0-discovery-basic-template/blob/master/Libraries/CMSIS/Device/ST/STM32F0xx/Source/Templates/TrueSTUDIO/startup_stm32f0xx.sQuestionQuestion
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