STM32 USB connect recognition

how to know it is a usb charger or PC connect to the stm32 USB device mass storage?

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If it enumerates the device, it is a PC.

Else, to further detect the kind of charger, google for "USB charger detection". ST has a chip for this.

-- pa

Associate III

>>If it enumerates the device, it is a PC.

means that i need to check the enumerates flag in stm32 usb driver?

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