Multitech MMCModem GPRS (MTMMC-G) Manual de usuario descargar pdf (Pagina 33)

Chapter 6 – Examples of Application

Multi-Tech Systems, Inc. IP Connectivity AT Commands for GPRS-F4 Wireless Modems (PN S000437C) 33

Chapter 6 – Examples of Application

TCP Socket

TCP Server Socket Using GPRS Bearer

AT+WIPCFG=1 //start IP stack

AT+WIPBR=1,6 //open GPRS bearer

AT+WIPBR=2,6,11,"APN name" //set APN name of GPRS bearer

AT+WIPBR=2,6,0,"user name" //set user name (<login>)

AT+WIPBR=2,6,1,"passwd" //set password (<password>)

AT+WIPBR=4,6,0 //start GPRS bearer

AT+WIPCREATE=3,1,80,5,9 // create the server on port 80, idx=1

OK //TCP Server can spawn up to 5 TCP clients.

//Assigned indexes are from 5 to 9.

+WIPACCEPT: 1,5 //unsolicited: the server accepted

//connection; resulting TCP client

//on index 5

AT+WIPDATA=2,5,1 //exchange data on socket index 5

CONNECT

... //read, write

+++ //switch to AT mode

AT+WIPCLOSE=2,5 //close the TCP client socket index 5

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 43 44

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Multitech MMCModem GPRS (MTMMC-G) Manual de usuario Pagina 33