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SIM900A TCP/UDP 数据收发，串口调试

2017-08-27 17:05 771 查看

串口命令

AT+CIPSTART="TCP","101.132.43.66","80"
AT+CIPSTART="UDP","101.132.43.66","80"
AT+CIPSEND 发送的内容1  十六进制1a表示发送
AT+CIPSEND 发送的内容2  十六进制1a表示发送
Linux CentOS 6.8 X64     (服务器响应的报文)
Linux CentOS 6.8 X64 2   (服务器响应的报文)
AT+CIPSHUT

交互流程

交互流程
AT+CIPSTART="UDP","101.132.43.66","80"

OK

CONNECT OK
AT+CIPSEND

> Hello Sim900A UDP

SEND OK
AT+CIPSEND

> Hello Sim900A UDP2

SEND OK
Linux CentOS 6.8 X64
Linux CentOS 6.8 X64 2
AT+CIPSHUT

SHUT OK

SIM900A TCP模式模拟HTTP请求

如下
AT+CIPSTART="TCP","www.taobao.com","80"

OK

CONNECT OK
AT+CIPSEND

> GET / HTTP/1.1
User-Agent: curl/7.19.7 (i386-redhat-linux-gnu) libcurl/7.19.7 NSS/3.27.1 zlib/1.2.3 libidn/1.18 libssh2/1.4.2
Host: wwww.taobao.com
Accept: */*

SEND OK
HTTP/1.1 302 Found
Server: Tengine
Date: Sun, 03 Sep 2017 03:26:32 GMT
Content-Type: text/html
Content-Length: 258
Connection: close
Location: http://err.taobao.com/error1.html?c=400&u=http:///&r= 
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html>
<head><title>302 Found</title></head>
<body bgcolor="white">
<h1>302 Found</h1>
<p>The requested resource resides temporarily under a different URI.</p>
<hr/>Powered by Tengine</body>
</html>

CLOSED
AT+CIPSHUT

SHUT OK
-----------------------------------------------------

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标签： TCP SIM 900A

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SIM900A TCP/UDP 数据收发 ， 串口调试

SIM900A TCP/UDP 数据收发，串口调试