void lcd_data(unsigned char data){
  PORTD = data;
  PORTB |= B00010000;
  PORTB &= B11110111;
  PORTB |= B00000100;
  delay(1000);
  PORTB &= B11111011;
}

void lcd_cmd(unsigned char command){
  PORTD = command;
  PORTB &= B11101111;
  PORTB &= B11110111;
  PORTB |= B00000100;
  delay(1000);
  PORTB &= B11111011;
}
void lcd_string(const unsigned char *str,unsigned char length){
  int i;
  for(i=0;i<length;i++){
    lcd_data(str[i]);
      }
}
void lcd_init(){
  lcd_cmd(0x38);
  lcd_cmd(0x06);
  lcd_cmd(0x0C);
  lcd_cmd(0x01);
}
void setup() {
  DDRD =  B11111111;
  DDRB |= B00011100;
  lcd_init();
}

void loop() {
  lcd_cmd(0x81);
  lcd_string("Hello",5);
  lcd_cmd(0xC0);
  lcd_string("JENITA",6);
  
}