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Kacper Kowalski
Associate
January 5, 2018
Question

CubeMX STM32F407 configuration generation problem for EXT0 with LL library

  • January 5, 2018
  • 0 replies
  • 598 views
Posted on January 05, 2018 at 09:48

Hi. This post is rather a problem report. CubeMX for the mentioned processor (and probably for the family of which the processor is a member) does not generate RCC clock initialization for EXT0:

LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SYSCFG);

I think that the problem is that the other processors (like STM32F1...) do have a bit

RCC_APB2ENR_AFIOEN inside register RCC->APB2ENR to enable the EXT module and STM32F407 does not. Hope that it will be fixed in one of the next versions of CubeMX.

#stm32-f4 #stm32-stm32cube #stm32-exti #stm32-rcc
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