/* capteur branché avec sortie sur  pin24 arduino */
 bool EtatEntree = HIGH ;
 bool VarSuivi = HIGH ;

void setup() 
{

  pinMode(24,INPUT);
  Serial.begin(31250); /* initialisation d'un port serie au debit MIDI */
  noteOn(0x90, 0x55 , 0x00 ) ;
}



void noteOn(int cmd, int pitch, int velocity) /* plays a MIDI note. Doesn't check to see that cmd is greater than 127, 
                                                 or that data values are less than 127 */
{
  Serial.write(cmd);
  Serial.write(pitch);
  Serial.write(velocity);
}


void loop() 
  {

    EtatEntree = digitalRead(24);
    if ( (EtatEntree != VarSuivi)  && (EtatEntree == HIGH) )
      {
      noteOn(0x90, 0x55, 0x00) ;
      Serial.println("touche lachee");
      VarSuivi = HIGH;
      }
      
    if ( (EtatEntree != VarSuivi)  && (EtatEntree == LOW) )
      {
      noteOn(0x90, 0x55, 0x60) ;
      Serial.println("touche appuyee");
      VarSuivi = LOW;
      }


    
 /* // play notes from F#-0 (0x1E) to F#-5 (0x5A):
  for (int note = 0x1E; note < 0x5A; note ++) {
    //Note on channel 1 (0x90), some note value (note), middle velocity (0x45):
    noteOn(0x90, note, 0x45);
    delay(100);
    //Note on channel 1 (0x90), some note value (note), silent velocity (0x00):
    noteOn(0x90, note, 0x00);
    delay(100); */
    
  }