如题，今天准备用华为平板 上传代码到 uno 中 ，第一次上传就报错了，求william hill官网
内大神指点一二：
Warning: bMaxPacketSize0 value not passed
Warning: using bMaxPacketSize0=32
avrdude: Version 5.14-arduinodroid (Nov 15 2017)
Copyright (c) 2013-2017 Anton Smirnov
http://www.arduinodroid.info
Copyright (c) 2000-2005 Brian Dean
http://www.bdmicro.com/
Copyright (c) 2007-2009 Joerg Wunsch
System wide configuration file is "/sdk/hardware/tools/avrdude.conf"
CDC
Using usbfs path : /dev/bus/usb
Using bus number : 002
Using device address : 004
Using Programmer : arduino
Overriding Baud Rate : 115200
failed to set baud rate: -9
avrdude: Sent: 0 [30] [20]
avrdude: Sent: 0 [30] [20]
avrdude: Sent: 0 [30] [20]
avrdude: usb_fill_buf(): usb_bulk_read() error=-7
avrdude: stk500_recv(): programmer is not responding
avrdude done. Thank you.
错误: Problem uploading to board
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