#include <LiquidCrystal_I2C.h>


/******************************************************************************
***************                                            ********************
***************     Bitte Werte / Pinbelegung anpassen     ********************
***************                                            ********************
******************************************************************************/
//                                                                          ***
#define CLK A5                 //Pin Clock für Display                         ***
#define DIO A4                 // Pin Data für Display                         ***
int M = 20;                    // Anzahl Messungen um Mittelwert zu berechnen  ***
int button0 = 3;               // Pin vom Taster                               ***
int valve0 = 4;                // Pin für Ventil                               ***
int valve0time = 6000;         // Entlüftungszeit in Millisekunden
int timer0wait = 10;             // pumpzeit vom Lilian in sekunden
int diff = 50;                  // max Wert für druckverlust nach Messung
int time0wait= 5000;         // warten nach pumpen ob druckverlust in millisekunden
float norm0[] = { 250, 350 };  // min + max für Messwert                       ***
float dif0 = 30;               // warten bis messung beginnt (druckveränderung)

           
//                                                                          ***
/******************************************************************************
*******************************************************************************
*******************************************************************************
******************************************************************************/


float pMittel = 0;                     // Variable um die Messungen "M" zusammenzurechnen
float pressure_hPa = 0;                // Messwert vom Sensor
float pump = 10030.56;                 // Wert der Messung
float pumpDiff = 0;                   // Differenz des Messwert minus 0-Grundwert
float measurArray[] = {0,0,0,0,0 };  // Array um Messwerte zu Speichern

int menue = 2;
int measureZyc =0;
int t = timer0wait;
int min=norm0[0];
int max=norm0[1];
int display0menue=1;

int z=0;
int anders=0;

int zahlArray[2]{0,0};

String pass="";
String error0="";


bool button0read = false;  // Variable für Taster drücken (false oder true)
bool button0on = false;    // Variable für Taster AN / Aus(false oder true)
bool button0long = false;  // Wenn Taster lange gedrückt wird TRUE
bool switch0 = false;      // Variable für Relais (false oder true)
bool measureOn = false;    // wenn Messung läuft true
bool measurWait = true;   // warten das Lilian anfängt zu pumpen (true beim warten)
bool valve0ready = false;  // 
bool valve0on = false;  //  Entlüftung an
bool timer0loop=false; // hilfsvariable für timer
int temp0=0;


unsigned long button0millis = 0;   // Taster entprellen millis auf 0
unsigned long measure0millis = 0;  // Millis für den Messablauf
unsigned long valve0millis = 0;    // Millis für Entlüften
unsigned long menue0millis = 0;    // Millis für Entlüften
unsigned long zaehler0millis = 0;    // Millis für Entlüften


int displayCase[2]={120,130};

long zahl=1;

//Adafruit_MPRLS mpr = Adafruit_MPRLS();
LiquidCrystal_I2C lcd(0x27, 20, 4);


void setup() {
  lcd.init();
  lcd.begin(0x27, 20, 4);
  lcd.backlight();



  pinMode(button0, INPUT_PULLUP);  //Taster auf Pin "button0" mit Pullup Widerstand
  pinMode(valve0, OUTPUT);

  Serial.begin(9600);
  menue0millis = millis();
}
void loop(){
  displayCase[1]=display0menue;
anzeige();
Serial.println(
  "menue:" + (String)display0menue+
  "  DC0:" + (String)displayCase[0] + 
  "  DC1:" + (String)displayCase[1] +
  "  millis:" + (String)menue0millis +
  "  zahl:" + (String)zahl +
  "  Zahl-millis:" + (String)zaehler0millis +
  "  Z:" + (String)z +
  "  A:" + (String)anders +
  "  Z0:" + (String)zahlArray[0]+
  "  Z1:" + (String)zahlArray[1] 


);

if(temp0=0){
  menue0millis=millis();
  temp0=1;
  }
  if (millis()-menue0millis>3000){
    display0menue = display0menue +1;
    menue0millis=millis();
    if (display0menue > 5){
    display0menue=1;
    }
  }
  zaehler();
}

void anzeige(){
 switch(display0menue){
  
    case 1:
    if(displayCase[0] != displayCase[1]){
        
      lcd.setCursor(0,0);
      lcd.print("                    ");
      lcd.setCursor(0,0);
      lcd.print("********************");    

      lcd.setCursor(0,1);
      lcd.print("                    ");
      lcd.setCursor(0,1);
      lcd.print("**  Lilian  Labs  **"); 

      lcd.setCursor(0,2);
      lcd.print("                    ");
      lcd.setCursor(0,2);
      lcd.print("**  Pumpentester  **"); 

      lcd.setCursor(0,3);
      lcd.print("                    ");
      lcd.setCursor(0,3);
      lcd.print("********************"); 
      displayCase[0] = display0menue;
     }

    break;

    case 2:
    if(displayCase[0] != displayCase[1]){
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print("Display 02"); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 

    displayCase[0] = display0menue;
     }

    break;

    case 3:
    if(displayCase[0] != displayCase[1]){
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print("Display 03"); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 


    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 
    displayCase[0] = display0menue;
     }

    break;

    case 4:
    if(displayCase[0] != displayCase[1]){
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print("Display 04"); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 
    displayCase[0] = display0menue;
     }

    break;

    case 5:
    if(displayCase[0] != displayCase[1]){
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print("Display 05"); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 
    displayCase[0] = display0menue;
     } 

    break;

    case 6:
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 

    break;

    case 7:
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 


    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 

    break;

    case 8:
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 

    break;

    case 9:
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 

    break;

    case 10:
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 

    break;

    case 11:
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 

    break;

    case 12:
    lcd.setCursor(0,0);
    lcd.print("                    ");
    lcd.setCursor(0,0);
    lcd.print("");    

    lcd.setCursor(0,1);
    lcd.print("                    ");
    lcd.setCursor(0,1);
    lcd.print(""); 

    lcd.setCursor(0,2);
    lcd.print("                    ");
    lcd.setCursor(0,2);
    lcd.print(""); 

    lcd.setCursor(0,3);
    lcd.print("                    ");
    lcd.setCursor(0,3);
    lcd.print(""); 

    break;

 }

}
void zaehler(){
   if (z==0){
    zaehler0millis = millis();
     zahlArray[z]=zahl;
    z=1;
   
   }
   if (millis()- zaehler0millis >1000){
    zahl= zahl +1;
    zahlArray[z]=zahl;
    z=0;

    if(zahl > 2000){
      zahl = 1;

    }
   }
  if(zahlArray[0]!=zahlArray[1]){
   anders=1;   
    }else{anders=0;}
}