STM32 MCUs Embedded software

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STM32F411-disco low audio quality with PDM microphone

Hi,I'm struggling with recording audio on STM32F411-disco (MB1115D) board.I'm trying to run dedicated to this board example (Audio_playback_and_record), but out of the box it just doesn't work - recorded file is all silence.I've spend quite amount of...

mgr by Associate II
  • 2753 Views
  • 1 replies
  • 0 kudos

ZeroMQ implementation for STM32 series MCU

Hello ST Community,    I am researching the possibility of using ZeroMQ on a STM32 MCU device.  Currently, we are targetting the STM32H5 series of processor, using Azure RTOS/NetxDuo.  From the looks of it, ZeroMQ is a socketed implementation, so it ...

aw_von by Associate II
  • 2995 Views
  • 1 replies
  • 2 kudos

display Assertion "pbuf_free: p->ref >0" failed at line 747... and stop ethernet commnunication aperiodically.

​I use stm32h743 with lwip. tcp and udp work fine respectively. but, Running tcp and udp at the same time breaks the communication aperiodically, and display Assertion "pbuf_free: p->ref >0" failed at line 747... stm32cubeH7 example is the same. but ...

YPARK.14 by Associate
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  • 3 replies
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Resolved! Azure RTOS / MDK-Arm - Linking errors

I'm trying to build the example project "Tx_Thread_Creation" for the NUCLEO-F429ZI. During the build process with the MDK-ARM (uVision) V5.28.0.0 toolchain I got the following linker errors:linking... Tx_Thread_Creation\Tx_Thread_Creation.axf: Error:...

MLade.1 by Associate II
  • 5252 Views
  • 5 replies
  • 0 kudos

Resolved! not able to flash STM32G0B1RCT6 MCU via UART

Hello,We have switched from STM32g071 128kb flash to stm32g0b1rct6 with 256kb flash.We are able to flash the application binary from ST-LINK in STM32 cubeprogrammer. but, not via UART protocol.We are using the default STM32 system bootloader. We have...

kumar_b by Associate II
  • 2695 Views
  • 3 replies
  • 0 kudos

Resolved! DMA/STM32F103: memory to USART2 TX.

Hi all, I am successfully transferring from a memory location to the data register of USART2 Tx using DMA operation. And the USART2 has been used by the  printf()  to output to the PC. What I don't understand is, what moderates the rate at which DMA ...

LarryC by Associate
  • 2380 Views
  • 3 replies
  • 1 kudos

Resolved! STM32H573i-DK: Poor TCP TX Performance, iperf

Hey, i have ported the iperf2 example(https://github.com/STMicroelectronics/STM32CubeH5/tree/main/Projects/NUCLEO-H563ZI/Applications/NetXDuo/Nx_Iperf) of the H563 board to the H573i-DK Board.It pretty much works as expected now, but the TX performan...

funkii by Associate III
  • 4911 Views
  • 5 replies
  • 4 kudos
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