STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Use of "volatile" keyword

Hi, I'm working on an STM32H7 project with very fast (800 KHz) periodic interrupt. I've been looking at the generated code as I tweak the C source. I'm confused about the use of "volatile" for the global variables used by the ISR.I feel like I need...

MSull.1 by Associate II
  • 11027 Views
  • 16 replies
  • 1 kudos

Getting STM32L4 flash size via internal bootloader

Hi,I have a very specific question regaridng the functionalities of the STM32L4's internal bootloader. We are using its functionality to flash and validate our targets according to AN3155 and AN2606. This operates quite well. But now we came into the...

HAL9001 by Associate
  • 804 Views
  • 1 replies
  • 0 kudos

Change baudrate via HAL

Hello there,I was trying to figure out a way of how to change the UART baudrate "in runtime" via HAL API for stm32f0. I failed to find a way to do it other than manually (copy out the functionalities used in the uart init function and change it accor...

Programming STM32 MCU for the first time fails.

I am using STM32L451RCT6 MCU . When I take a fresh MCU , unprogrammed and flash it for the first time , the flashing fails and when we flash it in the subsequent boots, the flashing succeeds.Can you please let us know , if we need to add any addition...

Vbala.1 by Associate II
  • 1147 Views
  • 3 replies
  • 0 kudos

Resolved! Configure SPI on stm32f205

Hello!How can I configure only the MISO pin in the mode falling edge triggered interrupt input? It's not possible to do it on CubeMX. I tried to change the spi.c file like follows:/**SPI3 GPIO Configuration  PA15   ------> SPI3_NSS  PC10   ------> SP...

Kolab by Senior
  • 2674 Views
  • 10 replies
  • 0 kudos