Ericsson T10s Problem

unsigned char ATEO[] = "ATEO";
unsigned char Delete[] = "AT+CMGD=1"; //Deleteing SMS in index 1

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platonas said:

hi,
I dont know how C works but it seems that at:

unsigned char ATEO[] = "ATEO";
unsigned char Delete[] = "AT+CMGD=1"; //Deleteing SMS in index 1

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and after the AT+CMGD=1 you need to send a CR (carriage Return) instruction to the phone.

Also make sure you can read data from phone, maybe there is a connection problem, hardware.

I mean, you may send commands but the phone could not read them because of special RS232 connection needs.

Also, about hardware, On your Ericsson serial cable, on the site of the 9-pin RS232 you may need to set to logic level 1 (high) the pin number 4. On my R320 and T65 works with this setting, otherwise the phone cannot communicate serially with the microcontroller. I dont remember on the phone's site what pin 4 is but I thing is a control signal like CTS/RTS or simillar.
I hope I help a little.

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putchar(0x0d)

manish12 said:

i was did same think using 52
no prob
if not work go for read msg from index value :1
this will solved your prob

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akilleuz said:

Hi

I have a really strange problem controling my T10s with a MCU.

I seems like i cant delete any messages on the phone.

I have connected the phons Pin 11 and 9 directly to Pin D0 an D1 on my Mega16.

Here is my little test program for deleting an sms:

Code:

#define PORT PORTC
#define DDR DDRC 

unsigned char ATEO[] = "ATEO";
unsigned char Delete[] = "AT+CMGD=1"; //Deleteing SMS in index 1
unsigned char Memory[] = "AT+CPMS=\"SM\""; 


void main()
{   
    
   delay_ms(1000); 
   DDR = 0b1;

   InitUART(9600, 4000000, 8, 0);
        
   delay_ms(1000);
   DDR = 0b0;

   puts(ATEO);
   putchar(0x0d);
	
   delay_ms(1000);
   DDR = 0b1;
       
   delay_ms(1000);
   DDR = 0b0;

   puts(Memory);
   putchar(0x0d);
	
   delay_ms(1000);
   DDR = 0b1;
        
   puts(Delete);
   putchar(0x0d);
        
   delay_ms(1000);
   DDR = 0b0;   
        
   delay_ms(1000);
   DDR = 0b1;

}

Here is the function parameters for my UART:

Code:

void InitUART( unsigned long BaudRate, unsigned long XTALFrekvens, unsigned char DataBit, unsigned char Paritet )

i have tried different BaudRates and Paritets, but nothing seems to work.

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