// https://wokwi.com/projects/430756529999670273
// Dummy-Code für wokwi, damit die Lspotentielle Lösung nicht
// schon direkt da steht oder abgekupfert werden kann:

#include <LiquidCrystal.h>

LiquidCrystal lcd(3, 2, 4, 5, 6, 7); // RS, E, D4, D5, D6, D7



const byte Kanaele[] =   { A0, 
                           A1,
                           A2,
                           A3,
                           A4,
                           A5,
                           20,
                           21            };
      String Sensors[] = { "Ex.0-5V", 
                           "Slider ",
                           "Poti   ",
                           "TMP36  ",
                           "LM35   ",
                           "HIH4030",
                           "NTC KT8",
                           "PT9000 "     };
      String Groessen[] = { "U  /V   =", 
                            "Laenge/%=",
                            "Winkel/.=",
                            "Temp/.C =",
                            "Temp/.C =",
                            "Feucht/%=",
                            "Temp/.C =",
                            "Temp/.C ="  }; 

#define SP Serial.print 

byte Bytes[6][8] = { {  0,0,0,0, 0,0,0,0 },
                     { 16,16,16,16,16,16,16,16 },
                     { 24,24,24,24,24,24,24,24 }, 
                     { 28,28,28,28,28,28,28,28 },
                     { 30,30,30,30,30,30,30,30 },
                     { 31,31,31,31,31,31,31,31 } };

void setup() {  // routine runs once after reset
  // initialize the digital pin as an output.
  lcd.begin(20,4); 
  lcd.print("kleiner Test"); lcd.clear(); 

  for( byte i = 0; i < 6; i++ )  // #0 = leer, #5 = voll
    lcd.createChar( i, Bytes[i] );   // Balkenanzeige

  Serial.begin(9600) ; 
  for( byte i = 14 ; i <= 21 ; i++ ) pinMode( i, INPUT);
}

void Ausgabe ( byte kanal, int Umin, int Umax, String Text1, 
               String Text2="", int PGmin=0, int PGmax=0 ); 
void NTC( byte kanal ) ;
void PTx( byte kanal ) ;
void LCD( byte kanal ) ;
void RechnungOut( int U, byte index ) ;
float out = 0;

#define SPln Serial.println
#define lp   lcd.print

void loop() {  // runs over and over again
  unsigned int adw, U ; byte kanal;  
  while(1){ // ... to be corrected by you / Bitte verbessern: 
  adw = analogRead(A2);
  LCD(map(adw, 0,1023,0,7));


  delay(2000); 
  }
}

void Ausgabe ( byte kanal, int Umin=0, int Umax=0, String Text1="", 
               String Text2="", int PGmin=0, int PGmax=0 ){
  int adw = analogRead(Kanaele[kanal]);
  float U = adw/1028*5;
  SPln(adw);
  SPln(U);
  switch (kanal){
    case 0:
      out =
      SP(Groessen[kanal]);
      SPln(out);
      break;
    case 1:
      out = adw/10.24;
      SP(Groessen[kanal]);
      SPln(out);
      break;
    case 2:
      out = map(adw, 0, 1023, 0, 359);
      SP(Groessen[kanal]);
      SPln(out);
      break;
    case 3:
      out = map(adw, 20, 358, -40, 125);
      SP(Groessen[kanal]);
      SPln(out);
      break;
    case 4:
      out = map(adw, 0, 307, 0, 150);
      SP(Groessen[kanal]);
      SPln(out);
      break;
    case 5:
      out = map(adw, 164, 778, 0, 100);
      SP(Groessen[kanal]);
      SPln(out);
      break;
    case 6:
      NTC(kanal);
      SP(Groessen[kanal]);
      SPln(out);
      break;
    case 7:
      PTx(kanal);
      SP(Groessen[kanal]);
      SPln(out);
      break;
  }
}
  

void NTC( byte kanal ){
  int adw = analogRead(Kanaele[kanal]);
  float celsius = 1 / (log(1 / (1023. / adw - 1))/ 3950.0 + 1.0 / 298.15) - 273.15;
  out = celsius;
}

void PTx( byte kanal ){
  int adw = analogRead(Kanaele[kanal]);
  float celsius = (1 / (1023.0 / adw - 1) - 1 ) / 0.0039083 ;
  out = celsius;
}

void LCD( byte kanal ){
  int adw = analogRead(Kanaele[kanal]);
  lcd.clear();
  lcd.setCursor(0,0); lp(Sensors[kanal]);  
  lcd.setCursor(0,1); lp("ADW:");  lp(adw);
  lcd.setCursor(0,2); lp("U/mV = ");  lp(float(adw)/1023.0*5);
  lcd.setCursor(0,3); lp(Groessen[kanal]); Ausgabe(kanal); lp(out);
  int Balk = map(adw,0,1023,0,60);
  for(int Balk, Balk > 0, Balk--){
    if ( )
  }
}