#define IRpin_PIN      PIND
#define IRpin          2
 
#define MAXPULSE 65000
#define NUMPULSES 50
#define RESOLUTION 20 
 
 
 
int debug = ;
int currentpulse = ;
float fuzziness = 20;
 
int pulses[NUMPULSES][2];
 
#include "ircodes.h"
 
void setup(void) {
  Serial.begin(9600);
  Serial.println("\nReady to decode IR!");
}
 
 
int listenForIR(void) {
 currentpulse = ;
 
  while (1) {
    unsigned long highpulse, lowpulse;  // temporary storage timing
    highpulse = lowpulse = ; // start out with no pulse length
 
//  while (digitalRead(IRpin)) { // this is too slow!
    while (IRpin_PIN & (1 << IRpin)) {
       // pin is still HIGH
 
       // count off another few microseconds
       highpulse++;
       delayMicroseconds(RESOLUTION);
 
       // If the pulse is too long, we 'timed out' - either nothing
       // was received or the code is finished, so print what
       // we've grabbed so far, and then reset
 
       // KGO: Added check for end of receive buffer
       if (((highpulse >= MAXPULSE) && (currentpulse != 0))|| currentpulse == NUMPULSES) {
         return currentpulse;
       }
    }
    // we didn't time out so lets stash the reading
    pulses[currentpulse][] = highpulse;
 
    // same as above
    while (! (IRpin_PIN & _BV(IRpin))) {
       // pin is still LOW
       lowpulse++;
       delayMicroseconds(RESOLUTION);
        // KGO: Added check for end of receive buffer
        if (((lowpulse >= MAXPULSE)  && (currentpulse != 0))|| currentpulse == NUMPULSES) {
         return currentpulse;
       }
    }
    pulses[currentpulse][1] = lowpulse;
 
    // we read one high-low pulse successfully, continue!
    currentpulse++;
  }
}
 
 
 
boolean compareIR(int stored[] )
        { int length = stored[];
          int solution = ;
          int error = 3;
 
 
          int offpulse[currentpulse];
          int onpulse[currentpulse];
 
          float upper =;
          float lower =;
 
          if(currentpulse != length)
            {solution = error+1;}
 
 
 
          for(int i=0 ; i< currentpulse-1 && solution <= error ; i++)
              {if(i==)
                 {onpulse[i]=currentpulse;
                  offpulse[i] =;
 
 
                 } 
               offpulse[i+1] = pulses[i+1][];
               onpulse[i+1]  = pulses[i][1];
 
 
               upper = stored[i*2]*(1+fuzziness/100);
               lower = stored[i*2]*(1-fuzziness/100);
 
 
 
               if(onpulse[i] <= upper && onpulse[i] >= lower)
                  { 
 
 
 
                      }
 
                  else{
                       solution ++; 
 
 
                       }
 
               upper = stored[i*2+1]*(1+fuzziness/100);
               lower = stored[i*2+1]*(1-fuzziness/100);
 
 
                     if(offpulse[i] <= upper && offpulse[i] >= lower )
                        {    
 
                        }
 
                        else{
                             solution++;
 
 
 
                             }  
 
 
 
               }
 
         if(solution <= error)
           {solution = 1;}
           else{solution = ;} 
 
        return solution;
         }
 
 
 
int evaluate (){
                  int button; 
 
                  if( compareIR(Mute) == 1)
                    { button =1;
                      Serial.println("Pressed: Mute");
                    }
                  else if( compareIR(Zwei) == 1)
                           { button =2;
                             Serial.println("Pressed: 2.1");
                           }    
                 else if( compareIR(Fuenf) == 1)
                                   { button =3;
                                     Serial.println("Pressed: 5.1");
                                   }
                 else if( compareIR(AC) == 1)
                                          { button =4;
                                            Serial.println("Pressed: AC-3");
                                          }
                 else if( compareIR(BPlus) == 1)
                                                 { button =5;
                                                   Serial.println("Pressed: Bass +");
                                                 } 
                 else if( compareIR(BMinus) == 1 )
                                                        { button =6;
                                                          Serial.println("Pressed: Bass -");
                                                        } 
              else  if( compareIR(TPlus) == 1)
                                                                 { button =7;
                                                                   Serial.println("Pressed: Treble +");
                                                                 }
                  else  if( compareIR(TMinus) == 1)
                                                                        { button =8;
                                                                          Serial.println("Pressed: Treble -");
                                                                        }
              else if( compareIR(VPlus) == 1)
                                                                               { button =9;
                                                                                 Serial.println("Pressed: Vol +");
                                                                               } 
                 else if( compareIR(VMinus) == 1)
                                                                                      { button =10;
                                                                                        Serial.println("Pressed: Vol -");
                                                                                      }                                                      
 
               else{Serial.println("no match");
                      button = ;}                                                    
 
 
                 return button;                                                                     
                }
 
 
 
 
void loop(void) {
  int numberpulses;
  int test = 11;
  int button;
 
  numberpulses = listenForIR();
 
  Serial.print("Heard ");
  Serial.print(numberpulses);
  Serial.println("-pulse long IR signal");
 
 test = evaluate();
 Serial.print("\nErgebnis -- > ");
 Serial.println(test);
 
}