STM32 MCUs Embedded software

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

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Forum Posts

DFU Mode STM32H7 saying " USB DEVICE NOT RECOGNIZED"

Hi guys, finally was able to pin VDD to VDDUSB33, re-tried it now the computer is at least detecting a device!However, the software for the DFU is not able to pick up the device as the computer keeps saying "USB DEVICE NOT RECOGNIZED"This is what I a...

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CLeo.1 by Senior II
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  • 1 replies
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STM32F407DISCO IAP over Ethernet

Hey there,​following situation: lets say there is a product on the market based on a STM32F407 uC. This product has an ethernet connection over a PHY and it should be possible to update the firmware of the device over the ethernet connection.​As the ...

PUrsu.1 by Associate II
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  • 2 replies
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USB Device HUB class on f103

Is it possible to implement device HUB?(i want my f103 to appear as usb HUB to host PC)Like a compound device. Cant find any example for some reason.

VLuky by Associate II
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  • 4 replies
  • 1 kudos

Resolved! ERROR Transmitting data over USB .txstate!=0

Hi, I am trying to generate the usb_cdc FW, I generated the code using stm cube IDE,and the controller is stm32f070c6,i increase the heap size 0x400 and stack size 0x400,im taking the example from STM32Cube_FW_F0_V1.11.2\Projects\STM32072B_EVAL\Appli...

RKUMA.2 by Associate II
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  • 2 replies
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Resolved! STM32 Nucleo-144 User USB

When I plug in the user usb port on the nucleo to my computer nothing shows up. I'd like to put it into DFU mode over usb so i can flash a custom bootloader.Thanks!

jkasper by Associate II
  • 1048 Views
  • 2 replies
  • 0 kudos