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

Resolved! GPIO control fail on STM32F401 board.

Hi,I bought the stm32f401 board from aliexpress."WeAct" print is on the back.Seller's site do recommend the DFU method to program the board.But, I want to use ST-Link, so I made a simple program to control gpio port. Fusing by ST-Link seems to be goo...

0690X00000ButgcQAB.jpg
paul0208 by Associate III
  • 1189 Views
  • 7 replies
  • 0 kudos

Certain read causes hang/crash

Reading this cell: 0xe0040000 will hard crash the CPU. You can do it from non secure code also, which opens the way for a possible denial of service attack.​I​n gdb:​x​/x 0xe0040000​I​ realize parallel trace (the tpiu reg in Q) is not implemented but...

Hedley by Associate III
  • 792 Views
  • 1 replies
  • 1 kudos

Resolved! Problem geting SPI values

Hello Everyone!I have some problem using SPI comunication between my STM32F103C8, and the angle sensor MA730.I get by separated the first 8 bit data and the second 8 bit data with de HAL_SPI_Transfer function, and looks like fine, but i get not value...

PTP client timer accuracy

This has nothing to do with STM32s, except that the PTP client needs to be implemented on a STM32-board with a KSZ-switch, but...Does anyone know if there's a requirement for PTP client timer accuracy outside which the calculation formuli don't work ...

[DMA] What happens if the stream is configured in circular (or double buffer mode) but the transfer direction is M2M?

Hi,As circular transfers are not allowed for memory-to-memory transfers, the following could happen:The MCU panics (i.e. hard fault)The CIRC and DBM-bit get forced lowThe CIRC and DBM-bit are being ignoredThe reference manual only says that this is f...

Jan561 by Associate
  • 498 Views
  • 0 replies
  • 0 kudos

Resolved! Start stop clear timer?

Hi, do HAL_TIM_Base_Stop will clear couter? When I next Start the timer will it count from 0 or will count from random number that it stopped? There is no Base_Clear as I know.Thanks​

oeliks by Senior
  • 1463 Views
  • 3 replies
  • 1 kudos