STM32 MCUs Embedded software

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Resolved! Usb video class in stm32h7.

I am using stm32h743 mcu and initialized cdc usb fs with cube mx for device only. After that i changed  descriptors of cdc with uvc descriptors now the device is recognized as usb composite device on device manager but i am not able to transmit any d...

saikumar by Associate III
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Hello, I have a setup with ThreadX, NetX Duo and USBX. Implementing an CDC-ECM over USB2.0. The throughput we measure is rather low (at least not as expected with an USB2.0 480MBit/s).

What options or tuning is possible to increase the throughput for this IP over USB?Goal is to at least transfer 64KiB each 20ms or better. (22MBit/s or greater)(started from project STM32H735G-DK/Applications/USBX/Ux_Device_CDC_ECM on github from Kin...

JCorn.3 by Associate
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Undocumented Register Fields?

Hello!I suspect it has been already asked, but nevertheless:stm32f411xe.h: #define USB_OTG_DIEPMSK_TXFURM_Pos (8U) #define USB_OTG_DIEPMSK_TXFURM_Msk (0x1UL << USB_OTG_DIEPMSK_TXFURM_Pos) /*!< 0x00000100 */ #define USB_OTG...

Screenshot from 2024-06-27 19-59-24.png
MorganN by Associate
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USB Composite HID+CDC (VCP) with STM32F401

Hi,I would like to create a gamepad that is recognized by the computer (windows), and have the Virtual Com Port (CDC) to send en receive data with the computer. For that, I want to create an USB Composite with HID+CDC. I found an exemple on this webs...