FM Radio

#include <TEA5767.h>
#include <Wire.h>

TEA5767 Radio;

double frequency, current_freq;
int search_mode = 0, stereo, signal_level, search_direction;
unsigned char buf[5];
unsigned long current_millis = millis(), last_pressed;

void setup () {
  pinMode(8, INPUT);
  pinMode(10, INPUT);
  Radio.init();
  Radio.set_frequency(95.2);
}

void loop () {
  if (Radio.read_status(buf) == 1) {
     current_freq =  floor (Radio.frequency_available (buf) / 100000 + .5) / 10;
     stereo = Radio.stereo(buf);
     signal_level = Radio.signal_level(buf);
  }
  if (search_mode == 1) {
      if (Radio.process_search (buf, search_direction) == 1) {
          search_mode = 0;
      }
  }
  if (digitalRead(8) == HIGH) {
    last_pressed = current_millis;
    search_mode = 1;
    search_direction = TEA5767_SEARCH_DIR_UP;
    Radio.search_up(buf);
  }
  if (digitalRead(10) == HIGH) {
    last_pressed = current_millis;
    search_mode = 1;
    search_direction = TEA5767_SEARCH_DIR_DOWN;
    Radio.search_down(buf);
  }
  delay(200);
}