MQTT over TCP - Connection is getting closed immediately

Software & Programming
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#1

Hi,
I have completed my IOT MQTT task in Arduino successfully.But when I tried same task in PIC18F4550,TCP connection is getting closed immediately.
I have attached my code and Image of my problem.
Please help me if you have any Idea about it.
Thanks,

17 Jan 18
17 Jan 18.png1360×768 20.8 KB
Main code.docx (14.1 KB)
Add.h.docx (13.0 KB)
Configuration_header_file.h.docx (11.5 KB)
LCD.h.docx (11.1 KB)
pic_serial.h.docx (11.8 KB)
SIM900TCPClient.h.docx (11.0 KB)

Sukanya

#2

Hi Sukanya,
You might want to try looking at this code which @mbari - Peter shared recently. Base your code on it.
https://bitbucket.org/mbari_peter/sim800-mqtt-ravi

#3

Also i think you need to add more delay after each command, like, wait for the connect response before sending the CIPSEND command.