#define readPin A1
#define numReadings 10 //Количество чтений для усреднения
#define CLK 9
#define DIO 8


#include "GyverTM1637.h" // https://github.com/GyverLibs/GyverTM1637
#include <TimerMs.h>
TimerMs tmr(10000, 0, 1);

// A4 - SDA, A5 - SCL
//#include <Wire.h>
//#include <TEA5767Radio.h> //https://github.com/simonmonk/arduino_TEA5767
//TEA5767Radio radio = TEA5767Radio();
#include <RDA5807.h> // It is a minimal receicer with two push buttons (ATmega328 - Uno, Nano etc)
RDA5807 rx; 

GyverTM1637 disp(CLK, DIO);

int band, band_play;
int readings[numReadings];   // Массив для хранения последних значений
int index = 0;               // Текущий индекс массива

void setup() {
  disp.clear();
  disp.brightness(5);
  pinMode(readPin, INPUT);
  tmr.setTimerMode();
  //Wire.begin();
  rx.setup();
  rx.setVolume(15);
  rx.setMono(true);
}


void loop() {
  // Чтение значения с потенциометра
  int reading = analogRead(readPin);

  // Запись значения в массив
  readings[index] = reading;
  index = (index + 1) % numReadings; // Циклическое обновление индекса

  // Вычисление среднего значения
  int total = 0;
  for (int i = 0; i < numReadings; i++) {
    total += readings[i];
  }
  band = (total / numReadings) + 4;
  band = map(band, 0, 1023, 875, 1080);
  // Небольшая пауза между чтениями
  delay(10);
  //band = analogRead(readPin);
  //band = map(band, 0, 1023, 0, 255);
  //disp.displayInt(band);
  //band /= 100;
  if (tmr.tick()) {
    disp.brightness(0);
  }
  if (band != band_play) {
    band_play = band;
    rx.setFrequency(band_play);
    //float play = band_play;
    //play /= 10;
    //radio.setFrequency(play);
    disp.displayInt(band_play);
    disp.brightness(5);
    tmr.start();
  }
}


































































































/*
#include <EncButton2.h>
#include <TimerMs.h>
#include <Wire.h>
//#include <TEA5767Radio.h>
//#include <GyverOLED.h>
#include <RDA5807.h>

#define BTN_UP_PIN 8
#define BTN_DOWN_PIN 7
#define chargerPin 5
#define chargerPin_done 4
#define readPin A1
#define battery_min 3000
#define battery_max 4150
#define delta 0       
#define CLK 2
#define DIO 3
#include "GyverTM1637.h"

//TEA5767Radio radio = TEA5767Radio();
//GyverOLED<SSD1306_128x64, OLED_NO_BUFFER> oled;
RDA5807 rx;
GyverTM1637 disp(CLK, DIO);
EncButton2<EB_BTN> btn_up(INPUT, BTN_UP_PIN);
EncButton2<EB_BTN> btn_down(INPUT, BTN_DOWN_PIN);
TimerMs tmr(1000, 1, 1);

// иконка батареи
const uint8_t bat25_7x12[] PROGMEM = {
0xFE, 0x02, 0x03, 0x03, 0x03, 0x02, 0xFE, 0x0F, 0x08, 0x0A,
0x0A, 0x0A, 0x08, 0x0F
};
const uint8_t bat50_7x12[] PROGMEM = {
0xFE, 0x02, 0x83, 0x83, 0x83, 0x02, 0xFE, 0x0F, 0x08, 0x0A,
0x0A, 0x0A, 0x08, 0x0F
};
const uint8_t bat75_7x12[] PROGMEM = {
0xFE, 0x02, 0xA3, 0xA3, 0xA3, 0x02, 0xFE, 0x0F, 0x08, 0x0A,
0x0A, 0x0A, 0x08, 0x0F
};
const uint8_t bat100_7x12[] PROGMEM = {
0xFE, 0x02, 0xAB, 0xAB, 0xAB, 0x02, 0xFE, 0x0F, 0x08, 0x0A,
0x0A, 0x0A, 0x08, 0x0F
};
const uint8_t bat_done_7x12[] PROGMEM = {
0xFE, 0x02, 0xFB, 0xFB, 0xFB, 0x02, 0xFE, 0x0F, 0x08, 0x0B,
0x0B, 0x0B, 0x08, 0x0F
};

uint8_t charging_animation = 0, counter = 0;
int battery, voltage;
bool charging, charging_done, screen_status = true;
int band, band_play = 916;

void setup() {
  //Wire.begin();
  disp.clear();
  disp.brightness(5);
  //disp.point(true);
  //Serial.begin(9600);
  //oled.init();
  //oled.setScale(3);
  //oled.setCursor(20, 2);
  //oled.print("Radio");
  //oled.setCursor(40, 5);
  //oled.setScale(1);
  //oled.print("v0.1");
  //delay(100);
  //TinyWireM.begin();
  band = band_play;
  //float play = band_play;
  int play = band_play * 10;
  //play /= 10;
  //radio.setFrequency(play);
  disp.displayInt(band_play);
  //Serial.println(play); 
  rx.setup();
  rx.setFrequency(play); 
  rx.setVolume(15);
  analogReference(INTERNAL);
  pinMode(readPin, INPUT);
  btn_up.setButtonLevel(HIGH);
  btn_down.setButtonLevel(HIGH);
  btn_up.setStepTimeout(1024); //2048
  btn_down.setStepTimeout(1024);
  tmr.setPeriodMode();
  pinMode(chargerPin, INPUT);
  pinMode(chargerPin_done, INPUT);
  delay(900);
  //oled.clear();
  //oled.update();
}

void loop() {
  if (band != band_play) {
    band_play = band;
    //float play = band_play;
    //play /= 10;
    //radio.setFrequency(play);
    int play = band_play * 10;
    disp.displayInt(band_play);
    rx.setFrequency(play); 
    //Serial.println(play); 
  }
  btn_up.tick();
  btn_down.tick();
  if (screen_status == false) {
    if ((btn_up.click()) || (btn_down.click())) {
      screen_status = true;
      //oled.setPower(screen_status);
      disp.displayInt(band_play);
    }
  }
  if (screen_status == true) {
    //battery_check();
    //main_screen();
    if (btn_up.hasClicks(3)) {
      counter = 0;
      if (band < 1080) band += 100;
      if (band > 1080) band = 1080;
    }
    if (btn_down.hasClicks(3)) {
      counter = 0;
      if (band > 875) band -= 100;
      if (band < 875) band = 875;
    }
    if (btn_up.hasClicks(2)) {
      counter = 0;
      if (band < 1080) band += 10;
      if (band > 1080) band = 1080;
    }
    if (btn_down.hasClicks(2)) {
      counter = 0;
      if (band > 875) band -= 10;
      if (band < 875) band = 875;
    }
    if (btn_up.hasClicks(1)) {
      counter = 0;
      if (band < 1080) band++;
    }
    if (btn_down.hasClicks(1)) {
      counter = 0;
      if (band > 875) band--;
    }
    if (btn_up.step()) {
      counter = 0;
      if (band < 1080) band++;
    }
    if (btn_down.step()) {
      counter = 0;
      if (band > 875) band--;
    }
    if (counter > 10) {
      counter = 0;
      //oled.clear();
      //oled.update();
      screen_status = false;
      disp.clear();
      //oled.setPower(screen_status);
    }
    if (tmr.tick()) counter += 1;
  }
}
/*
void main_screen() {
  oled.setScale(3);
  oled.setCursor(20, 2);
  int one, two;
  one = band / 10;
  two = band - (one * 10);
  oled.print(one);
  oled.print(".");
  oled.print(two);
  if (one < 100) oled.print(" ");
  oled.setScale(2);
  oled.setCursor(40, 5);
  oled.print(" MHz   ");
  charging = !digitalRead(chargerPin);
  charging_done = !digitalRead(chargerPin_done);
  if (charging == true) {
    if ((tmr.tick())) {
      switch (charging_animation) {
        case 0:
          oled.drawBitmap(1, 1, bat25_7x12, 7, 12, BITMAP_NORMAL, BUF_ADD);
          charging_animation += 1;
          break;
        case 1:
          oled.drawBitmap(1, 1, bat50_7x12, 7, 12, BITMAP_NORMAL, BUF_ADD);
          charging_animation += 1;
          break;
        case 2:
          oled.drawBitmap(1, 1, bat75_7x12, 7, 12, BITMAP_NORMAL, BUF_ADD);
          charging_animation += 1;
          break;
        case 3:
          oled.drawBitmap(1, 1, bat100_7x12, 7, 12, BITMAP_NORMAL, BUF_ADD);
          charging_animation = 0;
          break;
      }      
    }
  } 
  if (charging_done == true) {
    oled.drawBitmap(1, 1, bat_done_7x12, 7, 12, BITMAP_NORMAL, BUF_ADD);
  } 
  if ((charging == false) && (charging_done == false)) {
    if (charging_animation > 0) {
      charging_animation = 0;
    }
    if (battery > 75) {
      oled.drawBitmap(1, 1, bat100_7x12, 7, 12, BITMAP_NORMAL, BUF_ADD);  
    } else if (battery > 50) {
      oled.drawBitmap(1, 1, bat75_7x12, 7, 12, BITMAP_NORMAL, BUF_ADD); 
    } else if (battery > 25) {
      oled.drawBitmap(1, 1, bat50_7x12, 7, 12, BITMAP_NORMAL, BUF_ADD);
    } else if (battery >= 0) {
      oled.drawBitmap(1, 1, bat25_7x12, 7, 12, BITMAP_NORMAL, BUF_ADD);
    }
  }
  oled.update();
}
*/
/*
void battery_check() {
  voltage = analogRead(readPin);
  voltage = map(voltage, 1023, 0, 0, 5000) - delta;
  battery = map(voltage, battery_min, battery_max, 0, 100);
  if (battery > 100) battery = 100;
  if (battery < 0) battery = 0;
}
*/