As a USB host device, the mouse into the USB port " usb_host_mouse" test the CPU HOST CPU board seat, 255 serial cable connection, click or move the mouse to observe the super terminal. Note: JP2 jumper cap jump to the right side (short 2-3) (UART baud rate setting 115200 bps ,8-N-1 mode to send data).

ustdlib.c

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