STM32 MCUs Embedded software

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

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Can't Receive Ethernet packets in STM32H750VB

Hi all,I have used the Ethernet in my custom design board based on STM32H750VB and using STM32CubeIDE with the latest updates. It has an RMII connection to a PHY and I could successfully send UDP packets to the PC both with both polling and interrupt...

HMora.1 by Associate II
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  • 4 replies
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Can we send and receive DMA UART at the same time ?

Hello,I find in HAL_UART_Transmit_DMA the following code:/* check that tx process is not already ongoing */ if (huart->gstate == HAL_UART_STATE_READY) { ..... return HAL_OK; } else { return HAL_BUSY; }As far as I understand gstate, is for both tx ...

ranran by Senior II
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  • 3 replies
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STM32F205 exiting DFU mode almost immediately.

We have an STM32F205RFT6 device that we are trying to get into DFU mode using an HID message over USB.We can get it into DFU mode, but it exits almost immediately. We changed the loading caps on the 8MHz external crystal from 16pF to 10pF and this se...

TSmit.1 by Associate
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  • 0 replies
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my B-L475E-IOT1A2 want not to connect AWS!

I have tried setup into device all of kind CA certificates from AWS https://docs.aws.amazon.com/iot/latest/developerguide/server-authentication.htmlfollowin instruction from ST but nothing help!! Only errors:*** AWS connectivity demonstration ***AWS ...

VChur.1 by Associate II
  • 1287 Views
  • 5 replies
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STM32F401 USB CDC Middleware and PA10 as GPIO

Dear all,I've been struggling trying to configure an F401 device in USB CDC mode and at the same time use PA10 as GPIO. For all the configuration I used the STM32CubeIDE and everything in my project is working fine except this part. IDE does not comp...

ACome by Associate
  • 498 Views
  • 1 replies
  • 0 kudos