STM32 MCUs Products

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Forum Posts

How to implement USB DPM, prevent hard reset

I tried following STM32 AN5418 but the EvaluateSinkCapabilities method is not getting called. I added debug prints everywhere in the code and here is what I am receiving:1. VBusInit (this always happens)2. DPM notification 104 (Stack init)3. Cable de...

Nv7 by Associate III
  • 812 Views
  • 3 replies
  • 0 kudos

Is there a guide on how to use I2C with DMA?

Bonjour,I've been able to use I2C to communicate with I/O extender and display drivers with HAL. I'm now trying to use the I2C with HAL using DMA.The problem is that UM1785 Description of STM32F0 HAL and low-layer drivers is a bit vague on explanatio...

Matth1 by Associate III
  • 26010 Views
  • 6 replies
  • 7 kudos

STM32G4 not waking from STOP1

I am working on a project using an STM32G4. I have a new board spin that I am bringing up and one of the four boards that I have brought up is exhibiting strange behavior exiting STOP1 mode.I have code that can put the micro into one of 2 low power m...

matkSENS by Associate II
  • 589 Views
  • 2 replies
  • 0 kudos

QSPI Data Transfer between MCU and FPGA

  I have designed a PCB that connects an Artix-7 XC7A35T-1FTG256C FPGA with an STM32F469VET6 (LQFP 100) MCU. My goal is to transfer data between these two devices, with the MCU as the QUADSPI master and the FPGA as the slave. For communication, all Q...

Resolved! STM32F405RGT6 and CAN not working

I try to get the CAN working. But currently I'm not sure what I'm missing.I use the STM32CubeIDE v1.18.0. The boards I use is own hardware with SN65HVD232.The hardware seems to work well. on the picture you see the screenshot from my oscilloscope, CA...

Resolved! STM32F411 Bootloader hangs

Hi there!I've created a custom STM32F411CEU6 Board with external HSE und LSE. While the HSE works when running my user program, the Bootloader hangs within boot phase (i think).When starting bootloader, BOOT0=1 und BOOT1=0. I powered direcly on VDD, ...

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Gifford by Associate II
  • 1709 Views
  • 13 replies
  • 0 kudos

How to read the volume keys from a USB keyboard

I've read many posts here and on the web, even tried CoPilot, but I could not find how to get the USB controller to send data when the volume keys are pressed.My Host keyboard driver works perfectly, but USBH_LL_GetURBState() is not returning with da...

Robmar by Senior III
  • 1235 Views
  • 7 replies
  • 1 kudos

Resolved! FDCAN1 not working on PA11 and PA12

Hello everyone, I tried to put Canopen node for stm32 into operation. I used the standard pinning from STMCubeIde, i.e. pa 11 and 12. But this does not seem to work. void FDCAN1_IT1_IRQHandler(void) { /* USER CODE BEGIN FDCAN1_IT1_IRQn 0 */ /* USER ...

Meiko_Ju by Associate II
  • 1933 Views
  • 14 replies
  • 1 kudos