STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Read and use of 96 bit unique ID

Using HAL. How to read unique ID and use it to identify specyfic chip?​Do simple:​uint32_t HAL_GetREVID (void ) uint32_t HAL_GetDEVID (void )Do the job? Are they really unique, or can these values repeat in same chips?​

oeliks by Senior
  • 4439 Views
  • 1 replies
  • 0 kudos

How to handle the watchdog IWDG in stop mode?

Hi,i want to put my device STM32L010 for 5 minutes in stop mode. Then wake up to measure something with ADC and go in stop mode again.How can i handle the IWDG in stop mode? According to the reference manual, the timer cannot be stopped. ???17.3.4 Be...

ledi001 by Senior
  • 373 Views
  • 0 replies
  • 0 kudos

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
  • 888 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
  • 553 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 ...