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

sprintf with %f in interrupt handler creating problem

Dear all,i am facing very strange problem with sprintf function .i am using sprintf function in 1ms timer interrupt routine and it works fine. for example. void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) { sprintf(uDisMsg, "%.1f", 258.6...

sanju by Senior
  • 385 Views
  • 4 replies
  • 2 kudos

STM32F427 PB14 conflict with internal USB PHY

Hi I am having the same problem as described in the old post down below.... is there a way to activate the link inside to see the fix? I am also using the external ULPI PHY, but when the USBD_Connect function executes, pin PB14 is lost. This is becas...

MBurg by Associate
  • 378 Views
  • 1 replies
  • 0 kudos

Resolved! STM32F415 DMA SPI transfer after stop mode

I am using SPI2 and SPI3 with DMA1 to write and read to/from peripheral chips. This works fine most of the time. At the same time I am using the stop mode to save power. Now in some cases just after leaving the stop mode, the next DMA transfer does n...

rkoehli by Associate II
  • 1366 Views
  • 10 replies
  • 3 kudos