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

Output Compare Mode for STM32F407 Discovery board

Hi,I am working on STM32F4 discovery board and I am trying to use output compare mode.and I have written the following code using peripheral registers.The application is Toggle the LED for every 1sec when output compare is matched.Here is the code. B...

Kumar B by Associate II
  • 919 Views
  • 4 replies
  • 0 kudos

Resolved! Value of the hysteresis of the comparators nowhere to be found

Hello,Looking at the datasheet and the reference manual, I can't find the values of the hysteresis that can be used for the comparators, the datasheet simply states Low, Medium and High values, which is not very precise. Anyone knows the exact values...

LLouf by Associate II
  • 705 Views
  • 1 replies
  • 0 kudos

Nucleo-H743zi ADC dual simultaneous with DMA example?

Hi,I am working with the Nucleo-H743zi. I am unable to get the DMA working in dual simultaneous mode. I see the ADC12_Common CDR registers are showing the ADC values properly, but my DMA never seems to fire.I can not find an example of ADC dual simul...

ATo by Associate II
  • 615 Views
  • 1 replies
  • 0 kudos

Volatile variable incorrect after interrupt callback

I'm currently attempting to get I2C and UART communication up between a chain of processors like so NXP chip <- UART -> STM32L063 <- (slave) I2C (master) -> STM32F030. I am using interrupts to handle UART and I2C Rx and Tx callbacks, you can see my ...

JBrow by Associate II
  • 1636 Views
  • 4 replies
  • 0 kudos

STM32f042k6t6 CAN Issue

Hello guys!I am working on STM32F042K6T6 microcontroller So we are facing CAN communication problem in the above mentioned controller.The problem is that the data is not been able to receive though i am sending from other controller and the CAN trans...

SMula by Associate II
  • 389 Views
  • 0 replies
  • 0 kudos

Cortex M7 CPI

Hello,i would like to roughly estimate the time the processor needs to execute some pieces of code.I know there is the DWT Cyclecounter, but the values it shows vary from one time to another at the same instruction. Also there is no information from ...

Resolved! Checking if first time run since flashing

My program writes to flash but needs to know if it has been run before since the chip was re-programmed. I've set up a section in the flash memory that gets written to by the programFLASH2 (rx) : ORIGIN = 0x08100000, LENGTH = 1024K .option : ...

PMath.4 by Senior III
  • 3912 Views
  • 4 replies
  • 0 kudos