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8051 SMS Remote COntrol............
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Moderators: Ajay, Junied , abbas1707, Arun Kumar V, pdi33, Shailesh NAYAK, ۞ TPS ۞, shyam, sashijoseph
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Jenius
Tue Feb 05 2008, 05:39AM
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Nothing is working............
The mobile is not sending the sms..........

I have attached my code....Can anyone please check it
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Jenius
Tue Feb 05 2008, 05:47AM
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Nothing is working.The mobile is not sending the message to the phone.I have attached the code.Can anyone check it?
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Jenius
Tue Feb 05 2008, 05:56AM
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Its not working.The mobile is not sending message........Whats wrong now......
I have attached my C code .can anyone check it & tell the problem ...
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Jenius
Tue Feb 05 2008, 05:57AM
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Its not working.The mobile is not sending message........Whats wrong now......
I have attached my C code .can anyone check it & tell the problem ...
uart00.rar
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abbas1707
Tue Feb 05 2008, 05:58AM

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jenius
connect your circuit with pc(i.e pc will take place of mobile phone).and check on hyper terminal what you are receiving ....it will confirm also that serial communication working properly.

and you also not selecting text mode in your code!!!!
try to follow this procedure
CODE:

void main()
{
        initUART();
        delay();
        sendString("AT+CMGF=1");  // command to select text mode
        sendChar(13);
        delay();
        sendString("AT+CMGS=\"0999999999\"");// here 09999999999 is recepient's number
        sendChar(13);
        delay();
        sendString("Hello!");  // Hello! will be sent
        sendChar(26);
        sendChar(13);          
}
 


[ Edited Tue Feb 05 2008, 06:14AM ]
A Thousand Miles Journey Starts With a Single Step.
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Ajay
Tue Feb 05 2008, 09:12AM
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@Jenius
abbas is helping you.. so please do not make multiple posts ok!
he has replied already so better read it carefully.
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Jenius
Thu Feb 07 2008, 07:42AM
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Any body has checked my code ????????????????

Also in the above given code by abbas is there no need of SMS message sender no before giving the receipients no
???
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Jenius
Thu Feb 07 2008, 08:05AM
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Sorry for the multiple posts.......This was because my connection was slow so the page does not load .so I press reload again.....

Can i delete those posts...
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abbas1707
Thu Feb 07 2008, 09:47AM

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Jenius wrote ...

Any body has checked my code ????????????????

Also in the above given code by abbas is there no need of SMS message sender no before giving the receipients no
???

you tried what i said???
and there is no need of sms sender no.
A Thousand Miles Journey Starts With a Single Step.
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xtracool_protik
Wed Feb 13 2008, 02:56AM
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Hey check whether u have correctly formed null modem db9 at microcontroller side
further u can send 1a (HEX) instead of cntrlZ or 26
and ENTER is not compulsory after CNTRLZ
Even you can implement enter by sending CR(carriage return) - 0D hex and LF(line feed) - 0A hex in succession
No need to have msg center no
However when I implemented it the msg sent used to miss 1st 8 characters of string
I'm working on it
LOL
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8051 Microcontroller Projects 8051 AVR tutorials PIC microcontroller, 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems