I want to know when something is connected to USB port by blinking an LED.

I suppose have to check PB10 UOTGVBOF, but how to do this ?


What I'm going to say is probably not the most efficient way to do it, but it should work: if your DUE is used as gadget and you wnat to detect the presence of a master, connect a GPIO to the +Vcc line of the usb port and either poll or program an edge triggered interrupt to detect when the line goes high.

  • Got it working by testing some internal registers state. Thanks for the reoly though
    – Siddharth
    Nov 4 '15 at 13:59
  • @Siddharth Would you care to put your solution as an answer. It'll help others who come by later with the same question. Regards, Sep 14 '16 at 9:26

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