#include <PS2Keyboard.h>

boolean lang;
const int DataPin = 2;
const int IRQpin =  3;

int d=100;
char c;

PS2Keyboard keyboard;

void setup() {
  delay(1000);
  keyboard.begin(DataPin, IRQpin);
  Serial.begin(9600);
  Serial.println("Keyboard Test:");
  pinMode(13, OUTPUT);
}

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);
    }
  }
  */
  char c = keyboard.read();
 
  switch (c) {
    case 'a':
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'b':
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 'c':
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 'd':
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 'e':
    MorseDot();
    delay(d);
    break;
    case 'f':
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 'g':
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 'h':
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 'i':
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 'j':
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'k':
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'l':
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 'm':
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'n':
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 'o':
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'p':
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 'q':
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'r':
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 's':
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    break;
    case 't':
    MorseDash();
    delay(d);
    break;
    case 'u':
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'v':
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'w':
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'x':
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'y':
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    break;
    case 'z':
    MorseDash();
    delay(d);
    MorseDash();
    delay(d);
    MorseDot();
    delay(d);
    MorseDot();
    delay(d);
    break;
    default:
       break;
  }
}

void  MorseDash() {
  tone(9, 1000, 3*d);
  delay(3*d);
}
  
void MorseDot() {
  tone(9, 1000, d);
  delay(d);
 
}