GSM cclk not working with pic 16f877a

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Anand Kr. Singh

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code did not response:

Code: 
void sim_time()
{
unsigned char atcmd1[13]="AT+CCLK?\r";
 for(i=0;i<12;i++)
   {
      putchar(atcmd1[i]);
   }
putchar(buffer1[20]);
 putchar(0x0D);   // enter key
   //while(getchar()!=':');
   //while(getchar()!=0x0A);
   delay_ms(10000);
  // lcd_clear();
   for(i=4;i<20;i++)
   {   
      buffer1[i] = getchar();
   }
}


help me to solve the problem
 
Last edited by a moderator:

is anything displayed on the LCD?
is the UART receiver interrupt driven? if not you have probably lost all the information received as the UART receive buffer is only a two byte FIFO
 

yes i did not getting any display on lcd
i havnt use UART reeive buffer ..
 

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