FTP using SIM908 to a server

Code C - [expand]
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const char gprsBuffer[200];
const char response[] = "OK";
 
const char cmd_at[] = "AT\r\n";
 
char temp[30];
 
void Interrupt(){
     
     
     if(//Test if UART Interrupt flag is set here){
          gprsBuffer[i++] = UART2_Read();
          gprsBuffer[i] = '\0';
 
          //Clear UART Interrupt flag here
     }
}
 
// copy const to ram string
char * CopyConst2Ram(char *dest, const char *src){
  char * d ;
  d = dest;
  for(;*dest++ = *src++;)
    ;
  return d;
}
 
//Use loop like below for each AT command you send
//Replace the Delay_ms() function with milli sec delay function provided by your compiler
//Provide proper delay for each AT command as required
 
while(strstr(gprsBuffer, CopyConst2Ram(temp, response) == 0){
               UART_Write_Text(cmd_at);
               Delay_ms(2000);
               i = 0;
}
 
//clear gprsbuffer[] here
 
//another loop here to send another AT command.
//If needed make a function which includes the above loop and clear buffer code and call it to send different AT commands
//You should also pass delay value to function so that delay can be changed as needed for different AT commands

Code C - [expand]
1
void GSM_Send_AT_Cmd(void (*myUARTxfp)(char *), char *buff, int lenBuff, const char *atResponse, const char *atCmd, const char *aterr, char *Const2RamBuff, int lenConst2RamBuff, unsigned int sec, unsigned int *ptr2i, unsigned int *ptr2AttemptFlag,  unsigned int *ptr2timeCnt, unsigned int *ptr2time)