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My question is can USB CDC be used to transfer text file from an SD card to PC the same way as we copy a file from a USB Flash drive?

Khairul Akmal Zulkepli
Associate II

‎2021-03-10 07:01 PM

I try to make a data logger, I'm using STM32F407 DISCOVERY and store the data into the SD. I have to use the USB port for communication between STM to PC for logging status. Eventually, after recording, I want to download the file the same way we copy a file from USB Flash drive.

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Tesla DeLorean
Guru

‎2021-03-10 08:44 PM

That would be a USB MSC

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Khairul Akmal Zulkepli
Associate II
In response to Tesla DeLorean

‎2021-03-10 08:54 PM

Hai, Thanks, if I set the USB to MSC, then I will lose the CDC function right?.. It is possible to interchange between both in the same USB port?

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