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bootloader to FreeRTOS on stm32f0x

Hi, I'm trying to jump to a FreeRTOS app via a bootloader that i made. I'm pretty new to this. I know there is a lot of similar topic on the internet but none of them fixed my problem. When I try to jump to my FreeRTOS app with my bootloader, nothing...

retroll by Associate II
  • 6132 Views
  • 8 replies
  • 1 kudos

Resolved! Can the STM32F746 RTC generate an alarm interrupt every minute?

Hi all,I'm making a clock and I wanted to update the display every minute (I do not display seconds) so I thought I'll set the alarm mask for minutes only but that didn't work. I read here that the RTC is more meant to trigger an alarm at specific ti...

Rodo by Senior
  • 3272 Views
  • 3 replies
  • 0 kudos

Problems with RTC - wakeup from STOP-Mode

Hi,i am using a STM32L010K8 MCU and i want to wake up from stop mode when a RTC-Wakeup interrupt occours. Here in this example i set the RTC wakeup interrupt for 30 seconds. Without entering the sleep mode the RTC IRQ works fine. But if the MCU enter...

ledi001 by Senior
  • 1209 Views
  • 2 replies
  • 0 kudos

Evalkit-robot-1 Modbus

Not getting expected responses from motor according to ST manual. @Enrico Poli maybe you knowIs there something wrong with our Modbus packets or is what we are seeing correct and the manual is wrong?  The answers here seem OFF TOPIC and cause confusi...

sdownsee_0-1687983105808.png sdownsee_1-1687983105814.png
sdownsee by Associate II
  • 586 Views
  • 0 replies
  • 0 kudos

STM32H7 ADC Accuracy

Is there any known quantification for how the calibration improves the accuracy of the ADCs?

csong.1 by Associate
  • 1719 Views
  • 3 replies
  • 2 kudos

Rust, STM32L451, entering Stop Mode

Hi, I have a problem entering Stop Mode 2 with STM32L451CCU6. My current consumption is around 600 uA, while expected should be much lower. What can cause this problem? Here is the code:  use cortex_m::asm; use cortex_m_rt::entry; use stm32l4xx_hal::...

rbb by Associate
  • 510 Views
  • 0 replies
  • 0 kudos

Resolved! ADC Reading Consistency

I am feeding 1.75V into an ADC input on a STM32F407 and see the voltage source is clean and consistent on a scope.  I continuously read the value every 20ms.  I see the ADC value change between 2108 to 2130.  How consistent should the value be?  I'm ...

LMorr.3 by Senior II
  • 1684 Views
  • 5 replies
  • 2 kudos

What is the purpose of OSC32 in STM32

I am designing my first PCB. I am working on the project that needs low power consumption. For this we chose STM32L031G6U6 microcontroller. After collecting some measurements, the CPU will be put into sleep mode and wake up every minute or so for a f...

LPetr.1 by Senior II
  • 5776 Views
  • 2 replies
  • 0 kudos

Clear SPI Rx buffer using DMA and resume receiving.

Hello. Two NUCLEO-G431RBs are used for SPI communication.One is used as SPI master and one as SPI slave, and the pins of SCK and MOSI are connected to each other using jumper cables. Communication works fine most of the time.However, when the other p...

TKawa.9 by Associate II
  • 1440 Views
  • 1 replies
  • 0 kudos