FAQs

STM32 MCUs Products

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

cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Sign In to Post

Resolved! Information on STM32H745

This part is mentioned in several places: AN4938, Rev 3​, http://www.openstm32.org/tiki-view_forum_thread.php?forumId=2&threadId=7657&comzone=show#threadId7657 but I can't find specifics on it.

How to call __wfi on RTEMS?

HI, ALL!RTEMS is a RTOS. I want to make it enter stop mode like below codeif(PWR_STOPEntry == PWR_STOPEntry_WFI) {     /* Request Wait For Interrupt */   __WFI(); } else {   /* Request Wait For Event */   __WFE(); }so i have to call __wfi like under ...

Resolved! STM32F030 USART bug?

When working with a STM32F030C8T6 board, communicating with another board through serial comms (115200bps), I suddenly started to get erroneous characters once in a while, when the remote board were sending data at the same time.It's a block protocol...

JHans.6 by • Associate II
  • 3014 Views
  • 9 replies
  • 0 kudos

Is STM32H7 SWO (printf) problem solved?

I tried to evaluate a Nucleo STM32H743ZI board a few months ago but the serial wire tracing wasn't possible with the HAL drivers.https://community.st.com/s/question/0D50X00009XkhURSAZ/stm32h7-swo-printf-not-workingIs this bug solved by the way? Is an...

CKosa by • Associate II
  • 846 Views
  • 1 replies
  • 0 kudos

OpenAMP_TTY_echo example ttyRPMSG0 configuration issue

While trying to initialize the ttyRPMSG0 configuration, i get a error message that "No file exits"Could you please help me hear,How could I get these configurations.I have flashed the board with stater package image.Thanks,Gautam Tadavarthi

Gtada by • Associate II
  • 984 Views
  • 4 replies
  • 0 kudos

FOC motor control with STM32F302x8

Hello, we designed a motor controller with three-shunt topology using STM32F302C8. Because this MCU only have one ADC, the motor control SDK documentation (UM2392) explains on page 20 that the 2 ADC conversions needed to get the 2 phases current must...

Resolved! STM32H7 DMA and different memories

Hello,I have been tasked recently with porting some code from another microcontroller into the STM32H7. Right now I am taking care of the UART communication and some parts around that. And I would like opinions and advice about some things if possibl...

LAfon by • Associate III
  • 1192 Views
  • 2 replies
  • 0 kudos

Resolved! USART Interrupt only receives and processes first string

USART1 interrupt only receives one string, processes it well and returns it back as expected. But when i issue the second string, the check USART_IT_RXNE status flag is always false. I tried to reset it right after the preceeding string is sent but a...

malehakim by • Associate III
  • 1210 Views
  • 5 replies
  • 0 kudos

Resolved! Turn LED on and off on homemade STM32F405 development board

I have a simple switch on an LED project on a homemade STM32F405 development board. I am using STM32 Cube-MX and It is all working OK and turns an LED on and off via a momentary switch on subsequent button presses. The problem is that on starting the...

pedro1 by • Associate II
  • 1123 Views
  • 3 replies
  • 0 kudos
Top