مشکل دریافت اس ام اس با سیم 900 و یونو

[ehsan8888]

#include "SIM900.h"

#include <SoftwareSerial.h>

#include "sms.h"

SMSGSM sms;

char number[]="09137841587";

char message[180];

char pos;

char *p;
int MAIN = 10;
int MEHDI = 13;
int HOSEIN = 12;
int FATHER = 11;

void setup()

{
pinMode (MAIN,OUTPUT);
pinMode (MEHDI,OUTPUT);
pinMode (HOSEIN,OUTPUT);
pinMode (FATHER,OUTPUT);

Serial.begin(9600);

if (gsm.begin(2400))

Serial.println("\nstatus=READY");

else Serial.println("\nstatus=IDLE");

};

void loop()

{

pos=sms.IsSMSPresent(SMS_UNREAD);

Serial.println((int)pos);

if((int)pos>0&&(int)pos<=20){

Serial.print("NUOVO MESSAGGIO, POS=");

Serial.println((int)pos);

message[0]='\0';

sms.GetSMS((int)pos,number,message,180);

p=strstr(message,"MAIN SYSTEM ON");

if(p){

Serial.println("MAIN SYSTEM ON");

digitalWrite(MAIN,HIGH);

}

else{

p=strstr(message,"MAIN SYSTEM RESET/OFF");

if(p){

Serial.println("MAIN SYSTEM RESET/OFF");

digitalWrite(MAIN,LOW);

}
}

p=strstr(message,"HOSEIN SYSTEM ON");

if(p){

Serial.println("HOSEIN SYSTEM ON");

digitalWrite(HOSEIN,HIGH);

}

else{

p=strstr(message,"HOSEIN SYSTEM OFF");

if(p){

Serial.println("HOSEIN SYSTEM OFF");

digitalWrite(HOSEIN,LOW);

}
}
p=strstr(message,"MEHDI SYSTEM ON");

if(p){

Serial.println("MEHDI SYSTEM ON");

digitalWrite(MEHDI,HIGH);

}

else{

p=strstr(message,"MEHDI SYSTEM OFF");

if(p){

Serial.println("MEHDI SYSTEM OFF");

digitalWrite(MEHDI,LOW);

}
}
p=strstr(message,"FATHER SYSTEM ON");

if(p){

Serial.println("FATHER SYSTEM ON");

digitalWrite(FATHER,HIGH);

}

else{

p=strstr(message,"FATHER SYSTEM OFF");

if(p){

Serial.println("FATHER SYSTEM OFF");

digitalWrite(FATHER,LOW);

}
}
sms.DeleteSMS((int)pos);

}

delay(5000);

};