Key Grag - DFRobot

#include <Arduino.h>

/*
DFRobot LCD Shield for Arduino
Key Grab v0.2
Written by Glendon Klassen // Modified A0 values by Martin Mikala for old shield
[email protected]
http://www.sourceforge.net/users/ecefixer
http://ecefixer.tumblr.com

Displays the currently pressed key on the LCD screen.

Key Codes (in left-to-right order):

None   - 0
Select - 1
Left   - 2
Up     - 3
Down   - 4
Right  - 5

*/

#include <LiquidCrystal.h>
#include <DFR_KeyMM.h>

//Pin assignments for DFRobot LCD Keypad Shield
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);
//---------------------------------------------

//DFR_KeyMM keypad(A0);
DFR_KeyMM keypad;

int localKey = 0;
String keyString = "";

void setup()
{
  lcd.begin(16, 2);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Key Grab v0.2");
  delay(2500);

  /*
  OPTIONAL
  keypad.setRate(x);
  Sets the sample rate at once every x milliseconds.
  Default: 10ms
  */
  keypad.setRate(10);

}

void loop()
{
  /*
  keypad.getKey();
  Grabs the current key.
  Returns a non-zero integer corresponding to the pressed key,
  OR
  Returns 0 for no keys pressed,
  OR
  Returns -1 (sample wait) when no key is available to be sampled.
  */
  localKey = keypad.getKey();

  if (localKey != SAMPLE_WAIT)
  {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Current Key:");
    lcd.setCursor(0, 1);
    lcd.print(localKey);
    lcd.print(" ");
    lcd.print(keypad.getValue());
  }
}