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
.jpg)
.jpg)
Hey,
ReplyDeleteis it possible that you could explain a xxx.jpg file upload which is bigger than 1360 bytes with the correct commands?
Many thanks
Bernhard
It will upload 1360 bytes at a time. AT+FTPUT=2,11 shows 11bytes will be uploaded. I write 11 bytes because i have a .txt file of 11 bytes. If your file is bigger than you have to enter the following command multiple times.
DeleteAT+FTPPUT=2,xxx (xxx=no. of bytes)
Hey dude, i found your guide pretty useful, still, i got a question.
ReplyDeleteI did the uploading process, and the result was a file called "D:upload.txt" in the server, but it was empty. How can fill that txt file with the info i wish to upload?
thanks in advance
Abel
after sending the AT+FTPPUT=2,11 command you have to wait until you receive
Delete+FTPPUT:2,11
Then you must send 11 bytes, after sendind those 11, you need to wait the
OK
If you want to send more data you send again the command AT+FTPPUT=2,numofdata the numofdata is limited to what
its displayed after starting the FTP session +FTPPUT:1,1,1360, in this case 1360 at once,
After finish sending data, you must send the command to finish the FTP Session AT+FTPPUT=2,0,
For more information read the datasheet:
http://www.reyax.com/Module/GSM/SIM900D/AN_SIM900_FTP_HTTP_AT_COMMANDS_USER_GUIDE_beta_V1.00.pdf
I have seen your post on edaboard.com where +FTPPUT:1,77 error came.
ReplyDeleteI too have this error how did you resolved it
Its been a long time, I posted it. Actually it was a part of my project. After that I didn't work on this. Anyhow, I will try to solve your problem.
ReplyDelete