[Arduino IDE demo source code for KC868-A8S]--#13-KC868-A8S_sms-relay_code

Code:
// code use for KinCony KC868-A8S board



#include "PCF8574.h"

#include <DS18B20.h>

String incomingData;

String message;

const char phone[] = "xxxxxxxxxxx";  // replace with your mobile phone number

DS18B20 ds(14);





// Set i2c address

PCF8574 pcf8574_o(0x24,4,5);

PCF8574 pcf8574_i(0x22,4,5);



void setup() {

 pinMode(2, OUTPUT);   //beep

 

 Serial.begin(115200); 

 Serial2.begin(115200);



   // set gsm module to tp show the output on serial out

 Serial2.print("AT+CNMI=2,2,0,0,0\r");

 delay(100);

  

 pcf8574_o.pinMode(P0, OUTPUT);

 pcf8574_o.pinMode(P1, OUTPUT);

 pcf8574_o.pinMode(P2, OUTPUT);

 pcf8574_o.pinMode(P3, OUTPUT);

 pcf8574_o.pinMode(P4, OUTPUT);

 pcf8574_o.pinMode(P5, OUTPUT);

 pcf8574_o.pinMode(P6, OUTPUT);

 pcf8574_o.pinMode(P7, OUTPUT);



 pcf8574_i.pinMode(P0, INPUT);

 pcf8574_i.pinMode(P1, INPUT);

 pcf8574_i.pinMode(P2, INPUT);

 pcf8574_i.pinMode(P3, INPUT);

 pcf8574_i.pinMode(P4, INPUT);

 pcf8574_i.pinMode(P5, INPUT);

 pcf8574_i.pinMode(P6, INPUT);

 pcf8574_i.pinMode(P7, INPUT);

 



 Serial.print("Init pcf8574_output...");

  if (pcf8574_o.begin()){

    Serial.println("OK");

  }else{

    Serial.println("KO");

       }



 Serial.print("Init pcf8574_input...");

  if (pcf8574_i.begin()){

    Serial.println("OK");

  }else{

    Serial.println("KO");

       }



 

 pcf8574_o.digitalWrite(P0, HIGH); 

 pcf8574_o.digitalWrite(P1, HIGH);

 pcf8574_o.digitalWrite(P2, HIGH);

 pcf8574_o.digitalWrite(P3, HIGH);

 pcf8574_o.digitalWrite(P4, HIGH);

 pcf8574_o.digitalWrite(P5, HIGH);

 pcf8574_o.digitalWrite(P6, HIGH);

 pcf8574_o.digitalWrite(P7, HIGH);



 Serial.print(ds.getTempC());

 

 Serial.print("start test");

 

 Serial2.print("AT+CMGF=1\r");  //Set text mode

/* digitalWrite(2, HIGH);

 delay(200);  

 digitalWrite(2, LOW);

 delay(200); 

 digitalWrite(2, HIGH);

 delay(200);  

 digitalWrite(2, LOW);*/

}



void loop() {

// if received command is to turn on relay

  receive_message();



  if(incomingData.indexOf("relay1-on")>=0)

  {

    pcf8574_o.digitalWrite(P0, LOW);

    message = "Relay1 is turned ON";

    // Send a sms back to confirm that the relay is turned on

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100); 

  }

  

  // if received command is to turn off relay

  if(incomingData.indexOf("relay1-off")>=0)

  {

    pcf8574_o.digitalWrite(P0, HIGH);

    message = "Relay1 is turned OFF";

    // Send a sms back to confirm that the relay is turned off

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100); 

  }

  

  if(incomingData.indexOf("relay2-on")>=0)

  {

    pcf8574_o.digitalWrite(P1, LOW);

    message = "Relay2 is turned ON";

    // Send a sms back to confirm that the relay is turned on

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100); 

  }

  

  // if received command is to turn off relay

  if(incomingData.indexOf("relay2-off")>=0)

  {

    pcf8574_o.digitalWrite(P1, HIGH);

    message = "Relay2 is turned OFF";

    // Send a sms back to confirm that the relay is turned off

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100); 

  }  

  

  if(incomingData.indexOf("relay3-on")>=0)

  {

    pcf8574_o.digitalWrite(P2, LOW);

    message = "Relay3 is turned ON";

    // Send a sms back to confirm that the relay is turned on

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100); 

  }

  

  // if received command is to turn off relay

  if(incomingData.indexOf("relay3-off")>=0)

  {

    pcf8574_o.digitalWrite(P2, HIGH);

    message = "Relay3 is turned OFF";

    // Send a sms back to confirm that the relay is turned off

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100); 

  }  

  

  if(incomingData.indexOf("relay4-on")>=0)

  {

    pcf8574_o.digitalWrite(P3, LOW);

    message = "Relay4 is turned ON";

    // Send a sms back to confirm that the relay is turned on

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }

  

  // if received command is to turn off relay

  if(incomingData.indexOf("relay4-off")>=0)

  {

    pcf8574_o.digitalWrite(P3, HIGH);

    message = "Relay4 is turned OFF";

    // Send a sms back to confirm that the relay is turned off

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }  

  

  if(incomingData.indexOf("relay5-on")>=0)

  {

    pcf8574_o.digitalWrite(P4, LOW);

    message = "Relay5 is turned ON";

    // Send a sms back to confirm that the relay is turned on

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }

  

  // if received command is to turn off relay

  if(incomingData.indexOf("relay5-off")>=0)

  {

    pcf8574_o.digitalWrite(P4, HIGH);

    message = "Relay5 is turned OFF";

    // Send a sms back to confirm that the relay is turned off

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }  

  

  if(incomingData.indexOf("relay6-on")>=0)

  {

    pcf8574_o.digitalWrite(P5, LOW);

    message = "Relay6 is turned ON";

    // Send a sms back to confirm that the relay is turned on

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }

  

  // if received command is to turn off relay

  if(incomingData.indexOf("relay6-off")>=0)

  {

    pcf8574_o.digitalWrite(P5, HIGH);

    message = "Relay6 is turned OFF";

    // Send a sms back to confirm that the relay is turned off

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }  

  

  if(incomingData.indexOf("relay7-on")>=0)

  {

    pcf8574_o.digitalWrite(P6, LOW);

    message = "Relay7 is turned ON";

    // Send a sms back to confirm that the relay is turned on

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }

  

  // if received command is to turn off relay

  if(incomingData.indexOf("relay7-off")>=0)

  {

    pcf8574_o.digitalWrite(P6, HIGH);

    message = "Relay7 is turned OFF";

    // Send a sms back to confirm that the relay is turned off

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }  

  

  if(incomingData.indexOf("relay8-on")>=0)

  {

    pcf8574_o.digitalWrite(P7, LOW);

    message = "Relay8 is turned ON";

    // Send a sms back to confirm that the relay is turned on

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }

  

  // if received command is to turn off relay

  if(incomingData.indexOf("relay8-off")>=0)

  {

    pcf8574_o.digitalWrite(P7, HIGH);

    message = "Relay8 is turned OFF";

    // Send a sms back to confirm that the relay is turned off

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }  

  

  if(incomingData.indexOf("all-on")>=0)

  {

    pcf8574_o.digitalWrite(P0, LOW);

    pcf8574_o.digitalWrite(P1, LOW);

    pcf8574_o.digitalWrite(P2, LOW);

    pcf8574_o.digitalWrite(P3, LOW);

    pcf8574_o.digitalWrite(P4, LOW);

    pcf8574_o.digitalWrite(P5, LOW);

    pcf8574_o.digitalWrite(P6, LOW);

    pcf8574_o.digitalWrite(P7, LOW);

    message = "All relay are turned ON";

    // Send a sms back to confirm that the relay is turned off

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }    

  

  if(incomingData.indexOf("all-off")>=0)

  {

    pcf8574_o.digitalWrite(P0, HIGH);

    pcf8574_o.digitalWrite(P1, HIGH);

    pcf8574_o.digitalWrite(P2, HIGH);

    pcf8574_o.digitalWrite(P3, HIGH);

    pcf8574_o.digitalWrite(P4, HIGH);

    pcf8574_o.digitalWrite(P5, HIGH);

    pcf8574_o.digitalWrite(P6, HIGH);

    pcf8574_o.digitalWrite(P7, HIGH);

    message = "All relay are turned OFF";

    // Send a sms back to confirm that the relay is turned off

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }     

  

  if(incomingData.indexOf("temper")>=0)

  {

    

    message = "Temperature is "+String(ds.getTempC(),2)+" C";

    send_message(message);

    Serial2.println("AT+CMGD=1,4");  //delete all SMS on SIM card

    delay(100);     

  }   





  incomingData="";



  uint8_t val1 = pcf8574_i.digitalRead(P0);

  uint8_t val2 = pcf8574_i.digitalRead(P1);

  uint8_t val3 = pcf8574_i.digitalRead(P2);

  uint8_t val4 = pcf8574_i.digitalRead(P3);

  uint8_t val5 = pcf8574_i.digitalRead(P4);

  uint8_t val6 = pcf8574_i.digitalRead(P5);

  uint8_t val7 = pcf8574_i.digitalRead(P6);

  uint8_t val8 = pcf8574_i.digitalRead(P7);



  if (val1==LOW) 

   {

     Serial.println("input1 trigger");

     pcf8574_o.digitalWrite(P0, LOW);

     delay(5000);

     pcf8574_o.digitalWrite(P0, HIGH);

     

     message = "door sensor is triggered,someone in the room!";

     send_message(message);

     delay(100); 

   }



  if (val2==LOW) 

   {

     Serial.println("input2 trigger");

     pcf8574_o.digitalWrite(P0, LOW);

     delay(5000);

     pcf8574_o.digitalWrite(P0, HIGH);

     

     message = "window sensor is triggered,someone in the room!";

     send_message(message);

     delay(100); 

   }



  if (val3==LOW) 

   {

     Serial.println("input3 trigger");

     message = "sensor3 is triggered,someone in the room!";

     send_message(message);

     delay(100); 

   }



  if (val4==LOW) 

   {

     Serial.println("input4 trigger");    

     message = "sensor4 is triggered,someone in the room!";

     send_message(message);

     delay(100); 

   }



  if (val5==LOW) 

   {

     Serial.println("input5 trigger");     

     message = "sensor5 is triggered,someone in the room!";

     send_message(message);

     delay(100); 

   }



  if (val6==LOW) 

   {

     Serial.println("input6 trigger");     

     message = "sensor6 is triggered,someone in the room!";

     send_message(message);

     delay(100); 

   }



  if (val7==LOW) 

   {

     Serial.println("input7 trigger");    

     message = "sensor7 is triggered,someone in the room!";

     send_message(message);

     delay(100); 

   }



  if (val8==LOW) 

   {

     Serial.println("input8 trigger");     

     message = "sensor8 is triggered,someone in the room!";

     send_message(message);

     delay(100); 

   }

delay(200);

}



void receive_message()

{

  if (Serial2.available() > 0)

  {

    incomingData = Serial2.readString(); // Get the data from the serial port.

    Serial.print(incomingData); 

    delay(10); 

  }

}



void send_message(String message)

{

  Serial2.println("AT+CMGF=1");    //Set the GSM Module in Text Mode

  delay(100);  

  Serial2.print("AT+CMGS=\""+String(phone)+"\"\r"); //Send message

  delay(100);

  Serial2.println(message);   // The SMS text you want to send

  delay(100);

  Serial2.println((char)26);  // ASCII code of CTRL+Z

  delay(100);

  Serial2.println();

  delay(100);  

}