Hello, I am trying to use LibAsUSB sample to read a usb directory. First of all, I can access the root directory after create a file device and get the id to read a usb device. But i cannot get the path of usb (In the fuction block devlink, the variable pparam is a pointer to ‘DEVICE=bd0’, but it i…

Hi , what is the status of your topic? if is it solved, can you marked answer that helps you the most?

Hi, you could try to add the folders name to the file name when using the FileIO functions blocks, please see the following screenshot from the “FileCreate” function block as example (should be usable in that way with all of the FileIO function blocks ): [image] Best regards!

Using AsUsb to create a file device inside of USB

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Using AsUsb to create a file device inside of USB

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