#define functie(port,pin) port|=1<<pin 
#define functie1(port,pin) port&=~(1<<pin) 


void setup() {
  // put your setup code here, to run once:
  DDRC |=1<<7;
}

int i,j;

void functie2()
{
  for(j=0;j<1000;j++)
{
  digitalWrite(30,HIGH);
  delay(1000); 
  digitalWrite(30,LOW);
  delay(1000); 
}
}

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

functie(PORTC,7);
delay(500);
functie1(PORTC,7);
delay(500);


 for(i=0; i<255; i++)
 {
  analogWrite(23, i=i+(0.02*i));  
  delay(30);   
  }

functie2();

}