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! Critical problem with I2C and DMA on the latest STM32U5

I experience a strange problem with I2C, DMA and the latest STM32U575ZI-Q, not seen on L4 and H7 MCUs.After a successful data transfer from SMBus target (slave) to controller (host) the last PEC byte stays in RXDR registry. On the next transfer in th...

TDJ by Lead
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  • 4 replies
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Hello, I am using USB -FS and it seems conflict with UART-1, VBUS pin PA9. I am using STM32H743VIT6 100 PIN, and UART -2 I am using for debugging but it does not work, Why? For the previous UART -1 runs fine for debugging, STMcubeProgrammer i am using

Hello, Every time I am using UART -1 of the same controller and its works fine, but for now I am using USB -FS and for that VBUS pin I am using for the VBUS sensing, Wher, this VBUS Sense pin conflict with the UART-1 which is the PA9 pin of the S...

SRath.3 by Associate
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  • 1 replies
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Resolved! [BUG] Update to STM32CubeIDE 1.12.0 (STM32CubeMX 6.8.0) removes Middleware folder and breaks STL build.

Hello,I have a project with a working implementation of the STL (X-Cube-STL).I recently updated my STM32CubeIDE to version 1.12.0 and everything worked as expected. Now when I open .ioc I get asked if I want to update the .ioc-file to the version 6.8...

MKori.1 by Associate III
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  • 5 replies
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Resolved! Azure USBX UVC Unconpressed YUY2 format

Hi,I'm running an "Ux_Device video" example on NUCLEO H723ZG", but it doesn't work in Uncompressed mode.My setup is:With stream2.h  like source.Can someone help me with the configuration?... Where can I get information about this?Regards

MonkEastman_0-1688194146276.png

STM32H723 Hangs on Ethernet... Bug?

Hello!I got a new STM32 Nucleo-H723ZG, now i am testing about many days, but i have a big Problem, is use the new Stm32CubeIDE 1.5.2 with actually Firmware for the MCU.The Problem is, i loaded a new Cube Project with Default Values, for the Board wit...

Sany by Associate III
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  • 7 replies
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Resolved! TIM2_ETR on Nucleo-f439zi

I have a 1Hz square wave signal with a 50 % duty cycle going into a pin on the MCU. The pin on the MCU (PA0) is configured to be TIM2_ETR via the STM MX Cube tool. I am expecting to go into TIM2_IRQHandler() every second, i.e. every positive edge of ...

How to send VDM Discovery Identity request command?

Hi All,I connected STM32G081B-EVAL to my Laptop Type C port, it works.I can see the Laptop send below CMDs to STM32G081B-EVAL:VDM_DiscoverIdentityVDM_DiscoverSVIDsVDM_DiscoverModesVDM_ModeEnterVDM_ReceiveSpecificSame as https://wiki.stmicroelectronic...

Jack.Li by Associate
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  • 1 replies
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Resolved! StreamBuffers in AzureRTOS

Hi FolksI am doing some test to see if it worth to start using AzureRTOS on a new system we're going to develop.I have a serial stream coming from a device (RTCM stream) that need to be read by a MCU and then sent over a UDP stream.The UDP/Net part i...