my Nanopc-T3 with friendly-core,when i Plug in the USB device，there was No feedback information on the serial port. Linux does give feedback to "dmesg" when a USB is plugged in.... so use the command "dmesg" after you did plug in the USB-device. think you for your reply!it was s...

my Nanopc-T3 with friendly-core,when i Plug in the USB device，there was No feedback information on the serial port.
but when it with android there will have feedback information on the serial port.
what should i do to solve this problem?