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

Problem with form of SCK clock of SPI protocol !

I have been trying to perform SPI communication and observe outgoing and incoming data through MOSI & MISO. There is a weird problem in SCK weveform There are the codes I wrote :#include "stm32f10x.h" #include "stm32f10x_rcc.h" #include "stm32f10x_gp...

0690X000006C8kwQAC.png
KOzdi by Associate II
  • 691 Views
  • 2 replies
  • 0 kudos

Can complementary timer pins be used as inputs?

Hello, I'm designing a PCB with an interface to an existing STM32769 board. I would like to use one of the STM32 timer inputs to trigger a timer. When the timer reaches its "compare" value it should trigger a DMA request for an SPI transaction. Accor...

AKuch.0 by Associate
  • 538 Views
  • 1 replies
  • 0 kudos

STM32F745 - Simple LED ON not working with -O2 compiler flag

Hi,I am starting to program STM32 devices and I have an STM32F745 chip. Since I want to learn all the details I'm programming it from scratch, using only the definitions from CMSIS.I have a very simple program where I have 2 LEDs on PB6 and PB7 respe...

CGalv by Associate III
  • 672 Views
  • 4 replies
  • 0 kudos

code for blink an led with systick timer

i made this code to blink an led with systick time but it does not work can you please correct this. i am using stm32l152rc discovery board. #include "stm32l1xx.h"while {  if (SysTick->CTRL |= SysTick_CTRL_COUNTFLAG == 0)   {   GPIOB->BSRRH |= GPIO_...

AKhan.17 by Associate II
  • 1561 Views
  • 5 replies
  • 0 kudos

Unable to use CMSIS library in Atollic TrueStudio

Posted on May 01, 2018 at 16:12 I am trying to use CFFT function for my STM32 microcontroller in Atollic TrueStudio. But I am unable to use any of the DSP functions. I get the error - undefined reference to `arm_cfft_f32' and undefined refe...

USB charging with data transfer

I want to charge the Android phone along with USB data transfer. I am using STM32F072C8T6 as micro-controller and NCP1855 for mobile charging.The problem is this, in some mobile phones the charging is happening but the USB is not getting detected(And...

ayedu by Associate
  • 448 Views
  • 1 replies
  • 0 kudos