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How to De-init the SysTick clock?

Hello,Currently, I'm working on a project in which the boat-loader is already present. Now, in the boat-loader, there are several things which I'm not using i.e Systick clock, DMA etc. So, I want to De-init all the unnecessary peripherals to run the ...

Resolved! STM32H753. Stranger things...

For a hour I'm breaking my head. How it this possible? What's going here?unsigned max_prio = 5; __set_BASEPRI(max_prio); __DSB(); __ISB(); uint32_t basep = __get_BASEPRI(); printf("basepri=%u\n", basep); //>>>>>>>>>>>> it prints 0 !  Using the At...

Pavel A. by Evangelist III
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  • 2 replies
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Are EXTI flag bits sticky?

I have an EXTI interrupt with a shared handler, EXTI15_10_IRQHandlerNormally there should be only pin 15 interrupt.So I did this:void EXTI15_10_IRQHandler(void) { if ((EXTI_D1->PR1 & (1<<15)) != 0) { my_handler(); EXTI_D1->PR1 = ...

Pavel A. by Evangelist III
  • 1267 Views
  • 10 replies
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RC Radio PWM signal, problems reading

Hi,Im trying to resurrect this project from 2015 (Software AWD control for RC Cards using 4x brushless motors):https://github.com/hammerfet/BrinirControllerIve built his VS2013 solution and got all that side working fine. However, next is to determin...

ADevi.1 by Associate II
  • 1543 Views
  • 9 replies
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STM32H7A3RIT when?

Can anyone from ST let me know when and if the STM32H7A3RIT (64-pin part) will be available. This is an important part that can be extremely useful in a large range of applications allowing much smaller form factor for the application than the parts...

PMath.4 by Senior III
  • 340 Views
  • 1 replies
  • 0 kudos

Sizeof(array) function

Hello,A simple question make me confused. For example, this code with return 40 value for a 10-member array.#include <stdio.h> int buffer[10]; int main() { printf("Hello World %d \n\r",sizeof(buffer));   return 0; }For settings my DMA for sp...

parisa by Senior
  • 3776 Views
  • 4 replies
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