#include <TM1637.h>
#include<EEPROM.h>

TM1637 TM1;
TM1637 TM2;
     //-------Pins-----//
           //
int start_stop = 4;             //Start/Stop button
int rst_sp = 5;                 // Reset Set Point Button

const int sensor_pulse =2;     // Sensor Pulse In
//----Analog as Input-----//


int cal_2=1;
int led = 7;
int pinPulse = 3;
    //-----Variables for debouncing-----//
boolean currentstart_stop = LOW;         
boolean laststart_stop =LOW;             
boolean lastsensor_pulse = LOW;
boolean currentsensor_pulse = LOW;

boolean lastrst_sp = LOW;
boolean currentrst_sp = LOW;

boolean lastadd_one = LOW;
boolean currentadd_one = LOW;
boolean lastadd_ten = LOW;
boolean currentadd_ten = LOW;

//-----Storage state for toggle function---//
 
boolean RelayState = LOW;
int TotalCount_2= 0;
long TotalCount= 0;
int set_point_2= 0; 
int counter= 0; 
unsigned long resetStartTime = 0;


float reset_total = 0;
unsigned long lastTime = 0;
const unsigned long sampleInterval = 1000; 
volatile uint16_t flow_count = 0;
float flow_rate = 0.0;
float total_volume;
int volume_rst;
int volume_int0;
char state;

int batas_volumeMin = 0;
int batas_volumeMax = 99999999;
const int batas_pulsaMin = 1;
const int batas_pulsaMax = 999;

boolean ledState = LOW;
unsigned int PULSES_PER_LITER = 250;


void setup(){
   Serial.begin(9600);
    pinMode(sensor_pulse, INPUT);

    pinMode(pinPulse, OUTPUT);
  TM1.begin(11, 8, 4);       //  clockpin, datapin, #digits
  TM1.displayClear();
  TM1.setBrightness(7);

  TM2.begin(9, 10, 4);       //  clockpin, datapin, #digits
  TM2.displayClear();
  TM2.setBrightness(7);
attachInterrupt(digitalPinToInterrupt(sensor_pulse), countPulse, FALLING);

}
   //----Debouncing function for all buttons----//
boolean debounce(boolean last, int pin)
{
boolean current = digitalRead(pin);
if (last != current)
{
delay(5);
current = digitalRead(pin);
}
return current;
}

void loop (){

 //Debounce for +1 Button
  currentsensor_pulse = debounce(lastsensor_pulse, sensor_pulse);    //Debounce for +10 Button
 /*
     if (lastsensor_pulse== LOW && currentsensor_pulse == HIGH){
      digitalWrite(pinPulse, HIGH);
  }  
  else{
  digitalWrite(pinPulse, LOW);
  }
 lastsensor_pulse = currentsensor_pulse;
*/
if (currentsensor_pulse == LOW){
      digitalWrite(pinPulse, HIGH);
  }  
  else{
  digitalWrite(pinPulse, LOW);
  }
 

  
    if ((millis() - lastTime) >= sampleInterval) {    

       detachInterrupt(digitalPinToInterrupt(sensor_pulse));
    // Menonaktifkan interrupt sementara
    flow_rate = (flow_count * 60.0) / (sampleInterval / 1000.0) / PULSES_PER_LITER; // Menghitung flow rate dalam L/min
    total_volume += flow_rate * (sampleInterval / 60000.0); // Menghitung total volume air dalam 1 detik (dalam satuan Liter)
    reset_total += flow_rate * (sampleInterval / 60000.0);
    int volume_int = int( total_volume);
    int volume_rst = int( reset_total);
    

  TM2.displayInt(flow_rate);
 TM1.displayInt(volume_int);
 Serial.print (flow_rate);
 Serial.print (" - ");
 Serial.print (volume_int);
 Serial.print (" - ");
 Serial.println (flow_count);
flow_count = 0; // Reset jumlah pulsa
    lastTime = millis(); // Update waktu terakhir
 attachInterrupt(digitalPinToInterrupt(sensor_pulse), countPulse, FALLING);
    }
 

 //EEPROM.write(pulsa1, TotalCount);
        
 }


void countPulse() {
  flow_count++;

}