STM32 MCUs Embedded software

How to change Timebase source of Nucleo-h745ziq board

Hello,I am working on Nucleo-h745ziq board. I am working on Azure Rtos Usbx .I have to change the setting of Timebase source but in Nucleo-h745ziq board is default setting how I can change it?

I am trying to implement multiple virtual COM ports using one USB. I changed the no. of interfaces and device descriptors from 1 to 3 but is it still showing a single VCP. Would you tell me where I am lagging?

I have done custom bootloader, it should be jumped to application but it isn't going to jump to the application address, hard fault error is showing up?

NUCLEO-H745ZI-Q: Azure FileX question - fx_directory_local_path_restore() use

Dear All,I'm currently working on a project that will use STM32H745ZI MCU and RTOS Azure ThreadX + FileXWhile a in-house developed prototype board is not available, a NUCLEO-H745ZI-Q board is being used to get familiarised with SW and tools.Developme...

WHY AZURE RTOS Usbx take time to initialize?

Hello,I am working on Nucleo-h745ziq board. According the Ux_Device_CDC_ accordingly I create project for Nucleo-H745ziq board. After connecting the user USB to port I have to go device driver and update the port after that I get the port in Tera ter...

Is there a simple way to use SDMMC1 an fatFS with NucleoH723 (I'm targetting H730 chip) polling or DMA

I try the code bellow an ST youtube video, about F7, sdmmc and fat FS, but it's not working.It seems to me there is no easy way about using SDMMC with H7.the DMA setting are to complicated for my knowledge, but maybe I am missing some point.Is there ...

We found some time the UART interrupt call back function (HAL_UART_RxCpltCallback) will shut down but the IRQ function (UART5_IRQHandler ) still working. Because we have add the counter in call back function and IRQ function 。

We found some time the UART interrupt call back function (HAL_UART_RxCpltCallback) will shut down but the IRQ function (UART5_IRQHandler ) still working. Because we have add the counter in call back function and IRQ function , when the communication ...

Is it possible to create multiple virtual COM ports using one USB?

ST X-CUBE-CELLULAR, BG96 modem service how to restart?

I have a STM32H7 running ST X-CUBE-CELLULAR6.0 package on a BG96 modem.It works fine, but some time I need restart the modem and service. while current cellular_modem_start/cellular_modem_stop API are not enough to restart the whole service, for exam...

USB CDC Host SetControlLineState

HiCan anyone please show me an example of a working USB CDC Host sending the SetControlLineState command? This hasn't been implemented in the STM32 HAL drivers/middleware but it should be a simple thing to add.SetControlLineState is used to signal t...