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

Newbie STM32F4 DMA questions.

Posted on November 21, 2011 at 12:41Hi. I've been using dsPIC33 for a long time and I'm looking for something with more power. I've just started playing with an STM32F4 Discovery board. The application I have in mind is a high speed external DAC (16...

myst by Associate
  • 348 Views
  • 0 replies
  • 0 kudos

The I2C START BIT is not set after the I2C_generateStart

Posted on November 18, 2011 at 17:09My I2C routines are found with stm32F103C6 but when I ' ve make a migration to STM32L my I2C routines are not foun. The I2C START BIT is not set when I call the I2C_GenerateSTART(I2C1, ENABLE); Anyone has been in ...

USART problem

Posted on November 10, 2011 at 10:21Hi, I wrote the code for the USART3 initialization and it does not work (cannot see anything on the scope while sending data). Can you tell me if I am doing something wrong? //configure clock for USART RCC_APB1Pe...

EXT Interrupts not happening ?

Posted on November 20, 2011 at 12:21I use the STM32F103RTE6, I cannot get the EXT interrupts to happen: I do the following: - RCC config, all the IO port clock are set RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_DISCONNECT|RCC_APB1Periph_TIM2|RCC_APB...

benbb by Associate II
  • 1229 Views
  • 6 replies
  • 0 kudos

TIM2 Interrupt -> HardFault Exception

Posted on November 20, 2011 at 11:09Hi Forum! First time I'm trying to do something with interrupts, and I get a HardFault Exception :) I'm using the IAR Workbench 6.3 with the STM32DISOVERY_VL - EvalBoard. Here's the main-function code (completely ...

STM32F4 USART BAUDRATE-Problem

Posted on November 19, 2011 at 16:18Hi Everbody!I'm trying to set up an USART Connection to my Notebook. Everything works fine but does anyone have a clue why I have to multiply the baudrate-setting with 3 to get the correct baudrate? for Example:  ...

flash86 by Associate
  • 717 Views
  • 3 replies
  • 1 kudos

Changing the baudrate of SPI

Posted on November 20, 2011 at 01:50Do I need to disable SPI before changing the SPI baudrate?Or, would it be enough if I just wait till the end of the communication and then change the baudrate without disable/enable the peripheral?The spec says ''...

hate_pod by Associate
  • 477 Views
  • 1 replies
  • 0 kudos

GPIOs not functioning, what gives ?

Posted on November 19, 2011 at 15:02All, I`m fairly new to the STM32 family, not new to C or other micros: I use: Keil Lite: V4.22.22.0, 4.22a with an ST-Link, this all works and compiles etc. I can run code on my board no problem !! Now I`m trying ...

benbb by Associate II
  • 660 Views
  • 3 replies
  • 0 kudos

EBV STM32 Design Contest - Win a Harley Davidson !

Posted on October 29, 2010 at 13:33This Could Be Your Harley Davidson!  EBV Elektronik and STMicroelectronics make it happen! Release your creativity with STMicroelectronics’ STM32 microcontrollers. Convince our panel of judges that your STM32F-base...

0690X00000603BnQAI.jpg