INTRODUCTION:
The task assigned to me quite straight forward. But
due to lack of experience and knowledge it became difficult for me. I learnt a
lot. I decided to write a report. May be it will helpful for a beginner.
REQUIRE
TOOLS:
·
SIM900 GSM MODULE
·
SIM (GPRS ENABLED)
·
FTP Server (I used free FTP host
provided by serversfree.com)
·
HyperTerminal
 |
| Figure 1: Hyper Terminal |
 |
| Figure 2: FTP Host |
 |
| Figure 3: File Manager |
AT COMMANDS FOR DOWNLOADING A
FILE:
AT
OK
AT+CSQ
+CSQ:
16,0
OK
AT+CGATT?
+CGATT:
1
OK
AT+CSTT
OK
AT+CIICR
OK
AT+CIFSR
10.10.209.129
AT+SAPBR=3,1,"CONTYPE","GPRS"
OK
AT+SAPBR=3,1,"APN","ufone.internet" // write
your APN
OK
AT+SAPBR=1,1
OK
AT+FTPCID=1
OK
AT+FTPTYPE="A"
OK
AT+FTPSERV="amna.bugs3.com" //write your FTP server domain
OK
AT+FTPUN="xxx"
OK
AT+FTPPW="xxx"
OK
AT+FTPGETNAME="download.txt"
OK
AT+FTPGETPATH="/public_html/" //write the correct directory
path.
OK
At+FTPGET=1 //starts FTP session
OK
+FTPGET:1,1
AT+FTPGET=2,1024 // gets 1024 bytes of data
+FTPGET:2,5
Hello
//getting text from the document
OK
+FTPGET:1,0 //closes FTP session
AT COMMANDS FOR DOWNLOADING A
FILE FRON A FTP SERVER:
AT+FTPPUTNAME="upload.txt"
OK
AT+FTPPUTPATH
ERROR
AT+FTPPUTOPT="STOR"
OK
AT+FTPPUTPATH="D:"
OK
AT+FTPPUT=1
OK
+FTPPUT:1,1,1360 //FTP session is ready for
upload. It can upload 1360 bytes at a time
AT+FTPPUT=2,11
+FTPPUT:2,11
OK
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