STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32H7 Real Time Clock - Sub Seconds

Hi,I need to get time from the RTC at a higher resolution than 1 second. I see there are two reg's that set up the thing for sub seconds, but I don't understand how to use them. I really only need tenths of seconds. I looked at the sub seconds regis...

Debugging STM32H7B3I-EVAL with ETM

Hi,I wanted to debug my STM32H7B3I-EVAL board with J-Trace Pro through ETM interface. According to the manual of STM32H7B3I-EVAL, to enable ETM, R69 must be removed to avoid conflict with the WIFI_SPI4_MISO output, and it's also recommended to remove...

0693W00000JMvdFQAT.png
JSHI.1 by Associate
  • 362 Views
  • 0 replies
  • 0 kudos

Manually include hal library files

Hello! I know that this is not a new topic, and maybe somewhere (even in this forum) someone already answered this question multiple times, but still.....I crawled the forum looking for advice about using the HAL without CUBE, because where I work th...

MFran.4 by Senior
  • 4027 Views
  • 4 replies
  • 0 kudos

STM32F439/FMC Configuration for External DAC

Dear all,I am almost new to SMT32 world.I would like to use FMC to write to an external DAC, Analog devices AD5447. I attach datasheet for easy reference. It is 12bit, 10Msps and parallel interface.I am using Nucleo-F439ZI board and STM32CubeIDE to t...

UART transmit DMA, receive interrupt

Hello dear friends,I use F4 series MCUs. I am looking to send UART data via DMA and receive data in interrupt. How can I reach this goal? I am able to send data via DMA and receive data in interrupt, but the problem is in simultaneous use of DMA for ...

How to convert 16-bit Timer to 32-bit?

Hello everyone,I'm using 4 timers of a stm32 nucleo board to count the increments in encoder mode. 2 timers are 16 bit and 2 others are 32 bit. The increments can be between -1,000,000,000 and +1,000,000,000.With 32 bit timers, there is no problem be...

Nmo.1 by Associate III
  • 2069 Views
  • 2 replies
  • 0 kudos

SMBUS works with STM32F401 but fails with STM32F446

Hi all, I connect to a BMS board (TI BQ4050) using the HAL SMBUS driver.In my old platform, STM32F401, I can read registers from the BMS. Somehow, identical code on a STM32F446 fails half way through the read transaction (HAL_SMBUS_Master_Receive_IT)...

0693W00000Hpyx8QAB.png 0693W00000HpyxcQAB.png
jsolmen by Associate
  • 666 Views
  • 2 replies
  • 0 kudos

Why STM uses HAL?

Hello!Can anybody explain why STM use HAL and what is the difference and hierarchy between low layer API, CMSIS, HAL, SPL ?I always worked with just header files, but now all distributes API and I cant construct these API and their necessary in my he...

Agde.1 by Associate III
  • 4853 Views
  • 5 replies
  • 1 kudos