STM32 MCUs Embedded software

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

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! STM32F407 + LwIP + DP83848 = Cannot Ping - Why?

I have an STM32F407 and I'm using LwIP + DP83848 Ethernet PHY. I'm facing problems to ping the unit and I don't know why.  The pinouts for the RMII settings. Red rings got to the processor. The blue ring shows RESET. It need to be logic 1 (HIGH) for ...

0693W00000LyBAkQAN.png 0693W00000LyBAzQAN.png 0693W00000LyBB4QAN.png 0693W00000LyBB9QAN.png
DMårt by Lead
  • 8256 Views
  • 7 replies
  • 0 kudos

STM32h7 AZURE RTOS USB FS CDC example is available?

Hello,I am working on NUCLEO-H745ziq board. The board support USB FS. I have to configure USB as CDC in AZURE RTOS . The example are provided for HS , so there is any example for FS CDC AZURE RTOS configuration. I am first time working on this AZURE...

MDeva.1 by Associate II
  • 985 Views
  • 3 replies
  • 0 kudos

Programming one MCU from another MCU by UART or I2C

Hi,I have an STM32L552 MCU (the 1st) that has only two interfaces to the user, one through the USB-C and the other through Bluetooth. I have another STM32L031 MCU (the 2nd) inside the design that communicates with this L552 MCU through UART/I2C. Here...

ashah.16 by Associate II
  • 1236 Views
  • 1 replies
  • 0 kudos

Resolved! [SOLVED] STM32H7 SPI does not seem to work with DMA

Posted on March 07, 2018 at 13:01 EDIT: 14/03/2018 https://community.st.com/people/Schwaninger.Hannes‌ found that we need to use RAM_D1 and not DTCMRAM of the memory area. This is not made by default when we use STM32CubeMx to set SPI ...

0690X00000609ynQAA.png 0690X00000609w9QAA.png
Geo En by Associate III
  • 11975 Views
  • 29 replies
  • 0 kudos

Using UART bootloader on STM32G030J6

I am attempting to activate the bootloader mode on the STM32G050J6 (SO8N package). It is unclear to me from the documentation which pins are to be used. Currently, I am using pins 1 and 8 (USART1_RX and USART1_TX in the documentation respectively) as...

DBong.1 by Associate II
  • 6006 Views
  • 11 replies
  • 0 kudos

Resolved! STM32F407 Discovery. AudioUSB device. 2 Isochronous USB EP (IN EP and OUT EP) do not work simultaneously

Hi. I am currently trying to implement USB headset on my old STM32F407 Discovery board.In USB descriptor I have simple topology with two input terminals, 2 out terminals and feature unit. Also I describe two streaming interfaces (IN and OUT) and one ...

chupys by Associate II
  • 1556 Views
  • 1 replies
  • 0 kudos