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DMA in circular mode CNDTR issue

Hi,I am trying to recieve unknown number of bytes using DMA in circular mode. My buffer size is 2048.After reaching this size, CNDTR becomes 0 and never reinitialized again. It stays 0 always. The bytes coming after are getting lost.Has anyone faced ...

ANaga.2 by Associate II
  • 1989 Views
  • 3 replies
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STM32F407 SRAM Problem

Hi everyone,I'm working on a project that used STM32F407VE microprocessor. I'm dealing a memory problem. I have a very big struct that has all systems variable. I create a veraible with this struct and this veraible is larger than 112 kb.  When I use...

Resolved! STM32 ICs not getting programmed via DFUSE

Hi, we are using STM32H743VIT6 IC for past 3 to 4 years. but from January, none of the newly bought IC is getting programmed via DFUSE. the IC gets connected, erase cycle starts reaches upto 49% and then nothing happens. only the timer is incremented...

dv.13 by Associate II
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  • 4 replies
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PROBING PINS/LOGICAL ANALYZERS

Hello ST community,I am using STM32L476RG nucleo board and I am interested in reading the boards pin states while running , especially I would like to debug the serial protocols like SPI, I2C, ...I tried with Cube Monitor but it seems, it is only use...

HABIJ.1 by Associate III
  • 680 Views
  • 4 replies
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Double interrupt

I use STM32L552RET.I want to let DMA transfer end interrupt in the 1ms timer interrupt.How to achieve?

XZou.1 by Associate II
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  • 0 replies
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Resolved! How to generate periodic alarm interrupt from RTC

Hello,I am quite new to STM32G0 based development. I want to generate periodic alarm interrupt from RTC (e.g. RTC should generate an interrupt at every 5 minute, 4 second and 400msec). Is it possible to generate interrupt like this? I tried various w...

HBavi.1 by Associate III
  • 5751 Views
  • 8 replies
  • 0 kudos