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Safe eject event in USB MSC

Question asked by Hau Lam on May 30, 2018
Latest reply on Jun 6, 2018 by Hau Lam

I'm developing USB MSC features with chip STM32F779 using SD Card .

Now I can read/write/format data in SDcard. 

But there is 1 issue is I can not do Safe Eject the USB from Window. Window said that the device is “safe to remove” but actually USB device still there and can read/write as usual.

So does USB stack support any event to detect USB safe eject ? And What is the proper way to do this ?