#define burnInputPin     36
#define spreadMotRel     38
#define kapSensPin4      29
#define conLed1Pin       15   // Buchse 15, viol   (Control Led 1)
#define conLed2Pin       17   // Buchse 15, rosa   (Control Led 2)
#define loadled 6
#define kapled 7

unsigned int  spreadMotRunTme = 5;  // Nachlaufzeit in sek  

bool loadProzIsRun   = LOW;
bool kapSens4        = LOW;
bool kapSens4State   = LOW; 
bool firstRunState   = LOW;
byte spreadMotSwL    =  0;         //  VerteilMotor LevelSwitch

unsigned long spreadMotNow;        // Flag für Motornachlauf


void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(burnInputPin, INPUT_PULLUP);
  pinMode(kapSensPin4,  INPUT_PULLUP);

  pinMode(spreadMotRel,   OUTPUT);
  pinMode(conLed1Pin,     OUTPUT);
  pinMode(conLed2Pin,     OUTPUT);
  pinMode(loadled,     OUTPUT);
  pinMode(kapled,     OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:

   if (digitalRead(burnInputPin) == LOW){
    
      loadProzIsRun = HIGH;
      digitalWrite(loadled,  HIGH);                  // Invers Rot-Rel aus
    } 
    else{
       loadProzIsRun = LOW;
       digitalWrite(loadled,  LOW);        
       }

//---------------------------------------------------------------

if (digitalRead(kapSensPin4) == LOW){
   kapSens4 = HIGH;
   digitalWrite(kapled,  HIGH);
   } else {
       kapSens4 = LOW;
       digitalWrite(kapled,  LOW);
       }



spreadMotor();

serial();

}


void spreadMotor(){

//----norm start
    if (loadProzIsRun == HIGH && kapSens4State == LOW && kapSens4 == LOW && spreadMotSwL == 0){
     spreadMotSwL = 1;
     firstRunState = LOW;                // reset hier da sonst nach erstem DL swl in 2 und rel dauerAn
    }

  if (spreadMotSwL == 1){                           // ON
      digitalWrite(spreadMotRel,  HIGH);              // Invers Rot-Rel ein
      digitalWrite(conLed2Pin, HIGH);                 // ControlLED ein
      spreadMotSwL = 2;
      }
// ---aus ohne Kap erreicht
   if (loadProzIsRun == LOW && kapSens4State == LOW && kapSens4 == LOW && spreadMotSwL == 2){
      //firstRunState = LOW;                            // reset siehe oben
      kapSens4State = LOW;
      digitalWrite(spreadMotRel,  LOW);               // Invers Rot-Rel aus
      digitalWrite(conLed2Pin, LOW);                  // ControlLED aus
      spreadMotSwL = 0;
      }
     
   // xx  erste Kap erkennung im load, dann noch x sek
   if (loadProzIsRun == HIGH && kapSens4State == LOW && kapSens4 == HIGH && firstRunState == LOW){ 
      kapSens4State = HIGH;
      firstRunState = HIGH;
      spreadMotSwL = 10;
      }


//---ladeprozess beendet, pellets werden entnommen-------------------------------------------
     
      // erste Kap erkennung nach load, Motor schiebt links, Pellets erreichen Kap
   if (loadProzIsRun == LOW && kapSens4State == LOW  && kapSens4 == HIGH){ 
      kapSens4State = HIGH;
     } 

      // Pellets werden entnommen und kap wird wieder low, Motor wird erneut für x sek angefordert
   if (loadProzIsRun == LOW && kapSens4State == HIGH && kapSens4 == LOW && spreadMotSwL == 0){ 
      //kapSens4State = LOW;
      spreadMotSwL = 10;
      } 

//---------------------------------------------------------------------------

   if (spreadMotSwL == 10){                            // Run and Time
      digitalWrite(spreadMotRel,  HIGH);              // Invers Rot-Rel ein
      digitalWrite(conLed2Pin, HIGH);                 // ControlLED ein
      spreadMotSwL = 11;
      }

    if (spreadMotSwL == 11 ){ 
      //kapSens4SwUp = LOW;
      spreadMotNow = millis();
      spreadMotSwL = 12;
     }

   if (spreadMotSwL == 12){
      if (millis() - spreadMotNow >= (spreadMotRunTme*1000)){
         kapSens4State = LOW;
         digitalWrite(spreadMotRel,  LOW);               // Invers Rot-Rel aus
         digitalWrite(conLed2Pin, LOW);                  // ControlLED aus
         spreadMotSwL = 0;
         }
   } 



}

//-----------------------------------------------------------

void serial(){


Serial.print("loadProzIsRun: ");
Serial.print(loadProzIsRun);

Serial.print(" kapSens4: ");
Serial.print(kapSens4);

Serial.print(" kapSens4State: ");
Serial.print(kapSens4State);

Serial.print(" spreadMotSwL: ");
Serial.print(spreadMotSwL);

Serial.print("  firstRunState: ");
Serial.println(firstRunState);

}