STM32 MCUs Embedded software

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

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Resolved! Unused UART Rx pin on STM32F

Dear All,on my STM32F board, i have the uart rx pin not connected/floating. Due to too many noise interrupts, I have configured UART in tx mode only and disabled RX interrupts. Is this fine? Or should the internal pull up be enabled for the RX pin? 

krishr by Associate III
  • 2971 Views
  • 5 replies
  • 2 kudos

Resolved! STM32F4 USB DFU trying to write to external memory?

Hello everyone,I'm having issues with programming a STM32F429IIT using USB DFU. Im able to program it without issue with a STLinkv3 and the hardware is fully working.  The issue is strictly when using ST-Prog, the firmware download will reach 54% and...

XD by Associate III
  • 3085 Views
  • 4 replies
  • 1 kudos

NetXDuo TCP Client Notify Issue

Hi all, I am currently running tcp echo client example code from st on a NUCLEO-H563ZI which I have got working send and receiving messages over TCP/IP I am trying to get nx_tcp_socket_receive_notify working however when I use the function and connec...

NApps.1 by Associate II
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  • 1 replies
  • 0 kudos

Free RTOS queue mechanism does not work as expected.

Hi, I have written below application. When manager task is scheduled for the 2nd time, the xStatus and xWorkTicketId get strange values as seen below.     When employee task is scheduled, xStatus gets "0" which indicates no variable in the queue wai...

demir_0-1709561271840.png demir_1-1709561406021.png
demir by Senior II
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  • 1 replies
  • 1 kudos

Resolved! LPUART can't display a large message

Hi everyone!I'm using a NucleoWB55 and the LPUART protocole to communicate with a SIMCOM module. I'm able to send via the LPUART the AT commands that I want and to receive it's answers. I'm now trying to print on my terminal the content of my web pag...

terminal ST.png WhatsApp Image 2024-03-05 at 10.40.52.jpeg variables commandes.png fonctions AT.png
Fannyrsy by Associate II
  • 2456 Views
  • 3 replies
  • 3 kudos

lwIP pool location

Hi,Does any one how to make pbuf’s be in a certain memory range?For example when I call pbuf_alloc(PBUF_RAW, PBUF_POOL_BUFSIZE, PBUF_POOL) it will allocate a pbuf from a pool that is contained in this array memp_memory, is there a better way/proper w...

abeslic by Associate II
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  • 2 replies
  • 0 kudos

Managing STM32 USB device library

I'm just using whatever USB device library comes with my latest Cube setup.  How do I find out which device library version I have, and change that (either get the latest version or roll back to a previous version)?  Is there a doc that explains this...