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

FPU comsums seeable extra power?

Posted on November 05, 2014 at 12:11Hi  everyone! I have a project where necessary to use FPU to proccess my AD data. If I enable the FPU in the uVision Keil, then I can see an extra noise on my power line and I get wrong values, but when I disable ...

Attila by Associate II
  • 1503 Views
  • 6 replies
  • 0 kudos

underclocking STM32F030

Posted on November 04, 2014 at 13:17I have problem when underclocking STM32F030. When I setup to RCC->CFGR2   higher value than RCC_CFGR2_PREDIV1_DIV4 (for example DIV5 - DIV16) then PLL is never ready ( RCC_CR_PLLRDY ) With value <= RCC_CFGR2_PRE...

STM32F072 high power consumption in lp modes

Posted on November 05, 2014 at 14:27Hi guys, i have some problems with power consumption, i will try to describe my situation: MCU is assembed od PCB just with power supply and SWD interface, any IO is connected. Board is powered from lab. power sup...

najge by Associate
  • 396 Views
  • 0 replies
  • 0 kudos

How to know which timer triggered the callback

Posted on November 05, 2014 at 12:14 How can I check what timer triggered the callback: void HAL_TIM_IC_CaptureCallback(TIM_HandleTypeDef *htim) { } I investigated the htim structure, but did not find anything that can be used to...

Displaying Bitmaps with STemWIN

Posted on October 08, 2014 at 00:01Hey,Im having a problem getting bitmaps to draw with the following functions:IMAGE_SetBMP()GUI_BMP_Draw()GUI_DrawBitmap()When drawing with any of these functions I see either the top-left most pixel or a vertical r...

craig23 by Associate
  • 566 Views
  • 1 replies
  • 0 kudos

STemWIN with OS

Posted on February 12, 2014 at 12:10 Hello everybody. I used STemWIN library with no OS, it works great. I try the RTOS example, but I found a strange bugs. Witout OS the bargraph and anti-analyzed text is working, but with OS not. In th...

totti001 by Associate II
  • 318 Views
  • 1 replies
  • 0 kudos

Question on STM32L USART communication

Posted on November 04, 2014 at 17:01I am using the STM32L1 Discovery Board (this one http://uk.farnell.com/stmicroelectronics/stm32l152c-disco/stm32l-discovery-eval-board/dp/2317987). I have written a program for USART communication on the two pins ...