STM32 MCUs Embedded software

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

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STM32F769i-disco - is there a way to tell if the board is connected to USB like by using vbus or another facility?

I'm really trying to tell if the board is connected to an external comm port to turn off usart sends so they don't potentially backup and slow things down. I know other products expose thinks like vbus sensing? Don't know much about it. I tried to...

Resolved! STM32G431 USB C power delivery and Debug options

I'm designing a board G4 MCU and want to be able to power the board from USB C as well as debug or program the board.Is it possible to program the MCU via the USB C or usb 2.0 interface? If not, and I have to use SWD, what would i need in order to pr...

RMas by Associate II
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Resolved! Device Descriptors for USBX RNDIS device class

For the USBX ACM class, the ux_device_descriptor files are generated by CubeMX in USBX/App folder. When trying out the RNDIS class type, no files are generated here. Is this a bug or not implemented? If not are there any examples of this to read? B...

jbramble by Associate II
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Resolved! STM32U5 USB Eye diagram

Hello,I'm working on STM32U5. We integrated the USB lib without AzureRTOS using the stm32_mw_usb_device (from STM github) as example.I use my STM32U5 as a USB device CDC, using the USB_OTG_FS. Everything seems to be working fine (Linux can mount it a...