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Question about DMA

I have few question about DMA.1)Is that callback function need to be register?2)During the memory copied the source to the destination using DMA is that necessary need include the callback function?CH

Cl.1 by • Associate II
  • 350 Views
  • 0 replies
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RTC date update - Problem with VBAT / Low Power Mode

Hi all,I searched the forum for my specific problem, but i did not find any solution for this weird occurrence. On my STM32F103 i run the RTC, which is working fine, as long as it is connected to the USB power. I store the date on 2 backup registers,...

MMuts.1 by • Associate II
  • 3153 Views
  • 8 replies
  • 0 kudos

memory to memory DMA transfer

Hi all, i want to ask about except from the reference manual where can i find out more question about the memory to memory DMA transfer.I want to figure out is there trade-off for memory to memory DMA transfer when the data size is big and small?Rega...

Cl.1 by • Associate II
  • 993 Views
  • 4 replies
  • 0 kudos

Uart communication strucking

Hi, My self sai. Am working on stm32f745vg controller . In my application am transmitting 7byte data through uart.Sometimes entire uart transmission is blocking and untill power off my system is not responding to any command.Can i know why uart i...

steja by • Associate II
  • 550 Views
  • 1 replies
  • 0 kudos

TS_CAL2 in 'G0x0

In the STM32G030/070 datasheets, TS_CAL2 is missing.However, as @Andreas Bolsch​ pointed out in this thread, RM0454 for the G0x0 (!) explicitly refers to TS_CAL1 *AND* TS_CAL2 values from DS, and the formula given in the RM makes no sense at all wit...

ADC STM32f0xx Hi everyone, I want to turn on LEDs whith a Potentiometer an ADC in STM32f091RC nucleo Board. I wrote this code, but it doesn't work. I am a beginner and I do not know where I have mistakes. I would be grateful if someone please help me.

#include <stdio.h> #include "diag/Trace.h" #include "stm32f0xx.h" #include "stm32f0xx_conf.h" #include "pin.h" #include "adc.h"   int main(int argc, char* argv[]) {   //(#) ADC pins (pA1) configuration --------------------------------------------...

Nmo.1 by • Associate III
  • 3147 Views
  • 16 replies
  • 0 kudos

How to make multiplications faster in STM32G series

Hi,when I took two variables and perform a multiplication between them with the STM32CubeIDE, the multiplication itself its made automatically with the multiplier module in the fastest way or there is something I need to do/configure to make it faste...

DKuro.1 by • Associate III
  • 4531 Views
  • 13 replies
  • 0 kudos

Proper method to know function under interrupt

Hi,​Currently, I am looking for the method to detect this function is under ISR or not.And I found that there has two snipset code,<Example 1>uint8_t isUnderInterrupt(void){ uint8_t status = THREAD_MODE; if (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk)  {...

GChen.6 by • Associate
  • 1939 Views
  • 3 replies
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