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USB Port Com Driver STM32F070 not detected after enter the program

devie andriyani
Associate II
Posted on July 11, 2018 at 07:18

Hi, Everyone!

I'm working on project ie usb otg communication with STM32F At first, usb virtual com port driver (COM4) was detected in Device Manager. But after I enter the program, the usb virtual com port driver is suddenly not detected at all in Device Manager. To be detected again, I tried to remove the program on STM32F070 board using STM-ST LINK Utility. However the usb virtual com port driver was still undetectable anymore. Is there any suggestion from all of you, what shoud I do? As an illustration, I'm attaching some pictures related

to the project I'm working on.

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See Attachements 33437

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