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vsida.1
vsida.1
Associate
September 11, 2022
Question

My STM32F429z Board USB HID is not detected by PC.I am totally new to this USB. Please help me out.

  • September 11, 2022
  • 7 replies
  • 3394 views

Hello all,

I have just write the code on newly buyed STM32F429z board of sending 3 characters continuously through USB HID but is not being detected on PC. Same code i fired on STM32F407 board then it is detected but Device descriptor error is occurring. I am tired of all solutions. Attaching the images for your reference. Please help me out

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7 replies

Tesla DeLorean
Tesla DeLorean
Guru
September 11, 2022

What is the make/model of the board specifically?

Can you cite a web pages, or provide a link to a schematic?

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MM..1
MM..1
Chief III
September 11, 2022

USB isnt so simple. Try use example codes from repository folder. (version change to your)

c:\Users\***\STM32Cube\Repository\STM32Cube_FW_F4_V1.26.2\Projects\STM32F429ZI-Nucleo\Applications\USB_Device\HID_Standalone\

waclawek.jan
waclawek.jan
Super User
September 11, 2022

No magic solution, but maybe some ideas to try.

JW

Tesla DeLorean
Tesla DeLorean
Guru
September 11, 2022

Related

https://community.st.com/s/question/0D53W00001nZf06SAC/device-descriptor-error-for-usb-hid-application-on-stm32f407-boardtried-with-heap-size-increase-but-not-worked

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Ghofrane GSOURI
Ghofrane GSOURI
ST Technical Moderator
September 12, 2022

Hi @vsida.1​ 

Thank you for raising this question.

I see that you configured the clock as HSE ( crystal /Ceramic Resonator ) but try verify the exact frequency for your board (8MHz expected value)

Second try to increase the heap size you are using to 0x2000

Try to use those parameters in your project and if the issue still exist don't hesitate to reply.

Hope that my answer gives some help.

Ghofrane.

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waclawek.jan
waclawek.jan
Super User
September 12, 2022

> try verify the exact frequency for your board (8MHz expected value)

This does not look as 8MHz to me.

0693W00000Sv8cxQAB.png 

JW

Ghofrane GSOURI
Ghofrane GSOURI
ST Technical Moderator
September 19, 2022

Hi @Community member​ 

I meant by "try verify the exact frequency for your board (8MHz expected value)" to change the value of the input frequency from 25 MHZ to 8 MHZ and regenerate the code .

Best regards

Ghofrane .

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.
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