GSM CONNECTING TO PHONE USING AT COMMANDS IN C PROG

I had this question after viewing Using AT commands with C.

I'm doing a project and want to connect my gsm "click" to my phone USING C PROGRAMMING, have it wired up ok just the program is letting me down..... [ I want the gsm to send a message to my phone ]
The GSM is connected to the UART serial port of my 8051f020 microcontroller, any help much appreciated my program is as follows:


      
 void send_it (void) interrupt 4 using 1   // This is the ISR 
	
	{  
		
		TI0 = 1; // TI must be cleared by software when writing directly  
	                       // to SBuf  as shown in the previous program – However,   
                   // the  Printf function requires TI to equal “1” on entering
		          // the function.
		printf ("Hello \n\n");  
   		printf ("This text was sent to the Uart using Printf \n\n"); 
		
    printf("AT+CMGF=1<CR>%c\n\n"); // configured the GSM module to SMS mode                                     
    printf("AT+CMGR=3<CR>\n\n");       

    ("AT+CMGS=\"08******\"HELLO"); // send mobile number to the GSM           
       
   
	}

Open in new window

Seamus MaloneyAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Programming

From novice to tech pro — start learning today.