/*  Clavier_Piano
	transformation d'un clavier en piano par semageek.com
*/
   
#include <PS2Keyboard.h>
#include <Tone.h>


// Pin du clavier
const int DataPin = 2;
const int IRQpin =  3;

Tone freq1;

const int NOTE_freq[] = { 261, 293, 329, 349, 392, 440, 494, 523 };
// DO, RE, MI, FA, SOL, LA, SI


PS2Keyboard keyboard;

void setup() {
  delay(1000);
  keyboard.begin(DataPin, IRQpin);
  Serial.begin(9600);
  //pin du haut-parleur
  freq1.begin(11);
}

void loop() {
  if (keyboard.available()) {
    
    // read the next key
    char c = keyboard.read();
    
    // check for some of the special keys
    if (c == PS2_ENTER) {
      Serial.println();
    } else if (c == PS2_TAB) {
      Serial.print("[Tab]");
    } else if (c == PS2_ESC) {
      Serial.print("[ESC]");
    } else if (c == PS2_PAGEDOWN) {
      Serial.print("[PgDn]");
    } else if (c == PS2_PAGEUP) {
      Serial.print("[PgUp]");
    } else if (c == PS2_LEFTARROW) {
      Serial.print("[Left]");
    } else if (c == PS2_RIGHTARROW) {
      Serial.print("[Right]");
    } else if (c == PS2_UPARROW) {
      Serial.print("[Up]");
    } else if (c == PS2_DOWNARROW) {
      Serial.print("[Down]");
    } else if (c == PS2_DELETE) {
      Serial.print("[Del]");
    } else {
      
      // otherwise, just print all normal characters
      Serial.print(c);
      
      if (c=='a') {
        freq1.play( NOTE_freq[0], 100);
      }
      if (c=='s') {
        freq1.play( NOTE_freq[1], 100);
      }
      if (c=='d') {
        freq1.play( NOTE_freq[2], 100);
      }
      if (c=='f') {
        freq1.play( NOTE_freq[3], 100);
      }
      if (c=='g') {
        freq1.play( NOTE_freq[4], 100);
      }
      if (c=='h') {
        freq1.play( NOTE_freq[5], 100);
      }
      if (c=='j') {
        freq1.play( NOTE_freq[6], 100);
      }
      if (c=='k') {
        freq1.play( NOTE_freq[7], 100);
      }
    }
  }
}