STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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PuTTy not receiving data from UART

Hello,  I am using the STMH753ZI chip on the nucleo 144 board. I cannot figure out why my UART code will not show what I am typing in my putty terminal. Attached is my main.c. Thanks. /* USER CODE BEGIN Header */ /** *******************************...

pb33 by Associate II
  • 327 Views
  • 10 replies
  • 5 kudos

USB Composite Device Bug

 I have setup a Nucleo-F103RB as a USB composite device by (CDC + HID) by modifying a STM32CubeMX CDC project. The device enumerates correctly and everything works initially, however I am encountering a strange bug where if I open a COM port to read ...

HAL_ADC_ConvCpltCallback optimized away

Post edited to follow the community rules: Please review how to share a code in this post.Using the stm32g030k8 and the Version: 1.18.1 STM32CubeIDE I just recently applied an optimization in order to get more space for my application firmware. And t...

carlesls2 by Associate III
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  • 18 replies
  • 10 kudos

Resolved! ADC external channels doubt

I use the STM32CubeIDE Version: 1.18.1 and the stm32g030k8.I have a hardware that uses a firmware. This firmware correctly returns the values of the ADC. The ADC is linked to a DMA. Channel 4 == 2545 (this is a voltage divisor) 12.5 voltsChannel 10 =...

carlesls2_1-1750147679960.png carlesls2_2-1750148586492.png
carlesls2 by Associate III
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  • 3 replies
  • 0 kudos

TCP fasttmr

I have created TCP client on my STM32H723 module. Now I am stress-testing the code by abruptly closing the server before the TCP client could connect. As per my code it retries TCP connection after 30 seconds. But after multiple times the code freeze...

jowakar122_0-1746443447701.png

Resolved! FileX + CMake + CM33 = error

I'm trying to build a STM32U5 (THREADX_ARCH = cortex_m33) project that use FileX (https://github.com/STMicroelectronics/stm32-mw-filex) with CMake.I encounter an error that say "FileX/ports/cortex_m33/gnu" is not an existing directory.Why Cortex m33 ...

nicolas by Senior II
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  • 7 replies
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Resolved! F769 EVAL QSPI_Executeinplace example code

when running the QSPI_Executeinplace example code on the stm32f769i_eval board,the program enters HardFault_handler() after executing GpioToggle().i just remove the QSPI_DummyCyclesCfg(),in GpioToggle() the GPIO Not Taking effect,so How can I solve t...