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STM32F105 USB without VBus sensing

Mohammad A
Senior

I want to make USB which is operating in Device mode to enable pullup and pulldown resistors and reset without built-in VBus sensing pin. I've tried HAL_PCD_DevConnect(&hpcd_USB_OTG_FS) but it didn't work.

How can I command USB to start working ?

1 REPLY 1
TDK
Guru

> it didn't work.

What does this mean? Look at an example of the USB device you want to use.

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