sim800_sms

#include "Sim800l.h"
Sim800l Sim800l;

#define RST 4
#define SEN 8
bool hold = false;
bool dt_sensor;
unsigned cur_time, old_time;

void setup() {
  // put your setup code here, to run once:
  pinMode(RST, OUTPUT);
  pinMode(SEN,INPUT_PULLUP);
  digitalWrite(RST, LOW); delay(1000);
  digitalWrite(RST, HIGH); delay(1000);

  Serial.begin(115200);
  Sim800l.begin();
  delay(10000);
  //Sim800l.sendSms("081263920524", "system bekerja dengan baik");
  Serial.println("system mulai");
}

void loop() {
  // put your main code here, to run repeatedly:
  cur_time = millis();
  if(cur_time - old_time >= 1000){
    baca_sensor();
    Sim800l.signalQuality();
    old_time = cur_time;
  }
}

void baca_sensor(){
  dt_sensor = digitalRead(SEN);
  Serial.print("sensor= ");
  Serial.println(dt_sensor);

  if(dt_sensor == true){
    if(hold == false){
    hold = true;
    kirim_sms();
    }
  }else{
    hold = false;
  }
}

void kirim_sms(){
  Serial.println("kirim sms");
  Sim800l.sendSms("081263920524", "Ada tindakan pencurian,\n SEGERA CHECK!!!");
  delay(3000);
}