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"OKCONNECT OKAT+CIPSEND> Hello Sim900A UDPSEND OKAT+CIPSEND> Hello Sim900A UDP2SEND OKLinux CentOS 6.8 X64Linux CentOS 6.8 X64 2AT+CIPSHUTSHUT OK
SIM900A TCP模式模拟HTTP请求
如下AT+CIPSTART="TCP","www.taobao.com","80"OKCONNECT OKAT+CIPSEND> GET / HTTP/1.1User-Agent: curl/7.19.7 (i386-redhat-linux-gnu) libcurl/7.19.7 NSS/3.27.1 zlib/1.2.3 libidn/1.18 libssh2/1.4.2Host: wwww.taobao.comAccept: */*SEND OKHTTP/1.1 302 FoundServer: TengineDate: Sun, 03 Sep 2017 03:26:32 GMTContent-Type: text/htmlContent-Length: 258Connection: closeLocation: 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>CLOSEDAT+CIPSHUTSHUT OK-----------------------------------------------------
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