Radio Arduino Uno TEA5767

/*
   This example was based on the TEA5767 library published by 
   Marcos R. Oliveira at: https://github.com/mroger/TEA5767
   This example was provided by Csongor Varga watch a video on this
   example at: https://youtu.be/yp0HVGjakMs
   This example is available at: https://github.com/nygma2004/tea5657_station_selector
   Copyright 2014 Marcos R. Oliveira
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
       http://www.apache.org/licenses/LICENSE-2.0
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

#include <EEPROM.h>
#include <Wire.h>
#include <TEA5767N.h>
#include <LiquidCrystal_I2C.h>
#define LED_PIN 3 //pin connected to LED terminal on the LCD

LiquidCrystal_I2C lcd(0x27, 16, 2);

//Constants:
TEA5767N Radio = TEA5767N(); // Using standard I2C pins A4 and A5

//Variables:
int P1 = 2;
int B2 = 4;
float freq = 87.60;
int address=0;

void setup () {
  //Init
  lcd.init();
  lcd.backlight();
  pinMode(LED_PIN, OUTPUT);
  analogWrite(LED_PIN, 50); //you can modify the value of LCD LED from 0 to 255 in order to regular the brightness contrast
  

  lcd.setCursor(0, 0);
  lcd.print(EEPROM.get(address,freq));
  lcd.setCursor(6, 0);
  lcd.print("MHz");
  Radio.selectFrequency(EEPROM.get(address,freq));
  pinMode(P1, INPUT);
  pinMode(B2, INPUT);
}

void loop () {

  
  if (digitalRead(P1)==HIGH) {
    freq+=0.1;
    EEPROM.put(address, freq);
    Radio.selectFrequency(EEPROM.get(address,freq));
       lcd.setCursor(0, 0);
       lcd.print(EEPROM.get(address,freq));
       lcd.setCursor(6, 0);
       lcd.print("MHz");
      
    }

    else if(digitalRead(B2)==HIGH) {
       freq-=0.1;
    EEPROM.put(address, freq);
    Radio.selectFrequency(EEPROM.get(address,freq));
       lcd.setCursor(0, 0);
       lcd.print(EEPROM.get(address,freq));
       lcd.setCursor(6, 0);
       lcd.print("MHz");
    }


    }