cc3200 serial wifi 例程，两块板子成功连接到AP上，
如何相互收发数据？ 用send recv命令？ 如果知道各个板子的IP地址？
PING 百度的IP地址，也没有反应？
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CC3200 SERIAL WiFi Application
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Host Driver Version: 1.0.0.1
Build Version 2.4.0.2.31.1.3.0.1.1.0.3.34
Device is configured in default state
Started SimpleLink Device: STA Mode
>>>
>>>
>>> Attempting to auto connect to AP
>>> Attempting to acquire IP
>>>
>>> Connection Unsuccessful.
>>> Connect to the AP using local control mode(\\<)
>>> [WLAN EVENT] STA Connected to the AP: Tu , BSSID: 2:1a:11:f6:fa:bc
Entered INTERPRETER mode
>>> li
>>> 123456789
>>> ping 202.108.22.103
