uint8_t led = 9;
uint8_t bp = 2;
int pwm;
int cont=0; 
int i=0; 
int j=0; 
char var; 
//char surname []{'D', 'O', 'N', 'G', 'M', 'O'};
int tempo = 300;
void setup() {  
  Serial.begin(9600);
  pinMode(led, OUTPUT);  
  pinMode(bp, INPUT);
  digitalWrite(bp, HIGH); 
 } 
void buton(){
    while(cont<7) {
    digitalWrite(led,HIGH); 
    delay(300); 
    digitalWrite(led, LOW); 
    pwm = analogRead(A0);
    pwm = map(pwm, 0, 1023, 0, 50);
    Serial.println(pwm);
    analogWrite(led , pwm);
    delay(1000);
    cont++ ; 
    }
  }
 void D()
{ 
   tiret();
   point();
   delay(tempo);
} 
 void O(){
  tiret();
  tiret();
  tiret();
  delay(tempo);
 }
 void N(){
  tiret();
  point();
  delay(3*tempo); 
 }
 
 void G(){
   tiret();
   tiret();
   point();
   delay(3*tempo);
 } 

 void M(){
    tiret();
    tiret();
    delay(3*tempo);
  }
 void o(){
  tiret();
  tiret();
  tiret();
  delay(3*tempo);
  }
 void point(){
     allumer();
     delay(tempo);
     eteinte();
     delay(tempo);
 }
 void tiret(){
  allumer();
  delay(3*tempo);
  eteinte();
  delay(tempo);
 }
 void allumer(){
  digitalWrite(led , HIGH); 
 }
 void eteinte(){
  digitalWrite( led, LOW);
 } 
 void buton2() 
 {     
      D();
      O();
      N();
      G();
      M();
      o();
         
  } 
 
  
 void loop() {  
 j=digitalRead(2); 
  if(j==LOW) { 
    buton2();
     } 
  
  i=digitalRead(2);
  if(i==LOW) {
     buton();
      
    }
      
      
    }