怎样用Wizfi250连接Google(HTTP/HTTPS)

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我们将演示用WizFi250通过HTTP(端口80)和HTTPS(端口 443)连接Google网页服务器。

<HTTP Client Example>

(AP Association)

AT+WLEAVE

[OK]

AT+WSET=0,Wiznet_Kaizen

[OK]

AT+WSEC=0,OPEN

[OK]

AT+WNET=1

[OK]

AT+WJOIN

Joining : Wiznet_Kaizen

Successfully joined : Wiznet_Kaizen

 

[Link-Up Event]

IP Addr    : 192.168.15.10

Gateway    : 192.168.15.1

[OK]

 

(这是用来简易分析数据的。如果你想要手动分析头部数据,可以省略这步)

AT+SFORM=000000000

[OK]

 

(Find IP address of google.com)

AT+FDNS=google.com,3000

74.125.128.102

[OK]

 

(通过HTTP(80)连接google网页服务器)

AT+SCON=O,TCN,74.125.128.102,80,0,0

 

[CONNECT 0] [OK]

 

(发送网页请求)

AT+SSEND=0,,,18

[0,,,18]

GET / HTTP/1.1\r\n

[OK]

 

(现在,你可以通过HTTP接收来自google网页服务器的数据,如下)

HTTP/1.1 302 Found

Location: http://www.google.co.kr/?gws_rd=cr&ei=pIz0UvbYBqmZiQf2zIDgCA

Cache-Control: private

Content-Type: text/html; charset=UTF-8

Set-Cookie: PREF=ID=55cbe1a26a10a4a4:FF=0:TM=1391758500:LM=1391758500:S=V39C5p8-28xe7gVT; expires=Sun, 07-Feb-2016 07:35:00 GMT; path=/; domain=.google.com

Set-Cookie: NID=67=eAwBBej-W68bRryLLG7O86lG5BkNJzD5GpFZxbUnkHmHs6DyaeocsgLh4yd8mYc5pzyQJxTdC4f7GfqSrbC6orrtgErxRRSC0hxloj6B53eKbRYzWeIv5PGF9UT97v2c; expires=Sat, 09-Aug-2014 07:35:00 GMT; path=/; domain=.google.com; HttpOnly

………………………………

 

(断开与google网页服务器的连接)

AT+SMGMT=ALL

 

[DISCONNECT 0]

[OK]

如下图片是如上HTTP示例的Wireshark抓包。

<Get HTTPS Example>

 

(到这步,你可以参考< Get HTTPS Example >

(通过HTTPS443)连接google网页服务器)

AT+SCON=O,TCS,74.125.128.102,443,0,0

 

[CONNECT 0] [OK]

 

(发送网页请求)

AT+SSEND=0,,,18

[0,,,18]

GET / HTTP/1.1\r\n\r\n

[OK]

 

(现在,你可以通过HTTPS从google网页服务器获得数据,如下)

HTTP/1.1 302 Found

Location: http://www.google.co.kr/?gws_rd=cr&ei=pIz0UvbYBqmZiQf2zIDgCA

Cache-Control: private

Content-Type: text/html; charset=UTF-8

Set-Cookie: PREF=ID=55cbe1a26a10a4a4:FF=0:TM=1391758500:LM=1391758500:S=V39C5p8-28xe7gVT;

………………………………

 

(断开与google网页服务器的连接)

AT+SMGMT=ALL

 

[DISCONNECT 0] [OK]

 

如下图片是上面HTTPS示例的Wireshark抓包。