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//переменные управления
int battonAA=8;//пин кнопки сброса
int btstatAA=0;//состояние кнопки сброса
int potA=5;//Потенциометр, отвечает за выбор времени

//переменные хвука
int speakerPin = 10;//нога к спике
int length = 16;                  // число нот
char notes[] = "cfcfcfcfcfcfcfcf "; // пробел - пауза
int beats[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1 };
int tempo = 300;
//Сдвиговый регистр
//-----------------------------
int dataPA=0;//пин сдвига DS первой МС
int latchPA=1;//пин сдвига ST_CP первой МС
int clockPA=2;//пин сдвига SH_CP первой МС
//-----------------------------
//-----------------------------
int dataPB=5;//пин сдвига DS второй МС
int latchPB=6;//пин сдвига ST_CP второй МС
int clockPB=7;//пин сдвига SH_CP второй МС
//-----------------------------
//цифры для семисегментных индикаторов 
//сдвиговый регистр 1

int shregA[10]={0b11101110,0b10000010,0b11011100,0b11010110,0b10110010,0b01110110,0b01111110,0b11000010,0b11111110,0b11110110};
//сдвиговый регистр 2
int shregB[10]={0b11101110,0b10000010,0b11011100,0b11010110,0b10110010,0b01110110,0b01111110,0b11000010,0b11111110,0b11110110};
//----------------------------
// переменные таймера
long previousMillis = 0;        // прошлое значение времени милисекунд
int secundes=0;//Храним сколько прошло минут
int secundesA=99;//Храним сколько осталось минут
long interval = 1000;//интервал в милисекундах (минута=60000)

void btnstatread()//читаем кнопку
{
if (digitalRead(battonAA)==1){btstatAA=1;}
}


void timerEND()//этот блок выполнится если обратный отсчет достигнет 0
{
  signal();//запускаем проигрывание музыки
}
//-------------------------------
//Музыка
void playTone(int tone, int duration) {
  for (long i = 0; i < duration * 1000L; i += tone * 2) {
    digitalWrite(speakerPin, HIGH);
    delayMicroseconds(tone);
    digitalWrite(speakerPin, LOW);
    delayMicroseconds(tone);
  }
}
void playNote(char note, int duration) {
  char names[] = { 'c', 'd', 'e', 'f', 'g', 'a', 'b', 'C' };
  int tones[] = { 1915, 1700, 1519, 1432, 1275, 1136, 1014, 956 };
  // проиграть тон, соответствующий ноте
  for (int i = 0; i < 8; i++) {
    if (names[i] == note) {
      playTone(tones[i], duration);
    }
  }
}
void  signal() {
 do {
  for (int i = 0; i < length; i++) {
    if (notes[i] == ' ') {
      delay(beats[i] * tempo); // пауза
    } else {
      playNote(notes[i], beats[i] * tempo);
    }
    // пауза между нотами
    delay(tempo / 2); 
    btnstatread();
    if (btstatAA==1){break;}//прервать если кнопка HIGH
  }
  }while(btstatAA==0);
  } 
//-------------------------
//Выводим символ на 1й сдвиговый регистр
void registerWriteA(byte bitsToSend) {
  digitalWrite(latchPA, LOW);
  shiftOut(dataPA, clockPA, MSBFIRST, bitsToSend);
  digitalWrite(latchPA, HIGH);
}
//Выводим символ на 2й сдвиговый регистр
void registerWriteB(byte bitsToSend) {
  digitalWrite(latchPB, LOW);
  shiftOut(dataPB, clockPB, MSBFIRST, bitsToSend);
  digitalWrite(latchPB, HIGH);
}

//объявляем пины
void setup() {
  //-----------------
  //пины 1го регистра
  pinMode(dataPA, OUTPUT);
  pinMode(latchPA, OUTPUT);
  pinMode(clockPA, OUTPUT);
  //-----------------
  //пины 2го регистра
  pinMode(dataPB, OUTPUT);
  pinMode(latchPB, OUTPUT);
  pinMode(clockPB, OUTPUT);
  //-----------------
  pinMode(speakerPin, OUTPUT);//пин спикера
  pinMode(battonAA,INPUT);//пин кнопки
}

void settimer()//Обратный отсчет
{
//  secundesA=60;
secundesA=analogRead(potA);
secundesA=secundesA/16;
  cifri(secundesA);//отображаем время
}

void loop()
{
cifri(secundesA);//отображаем время
btnstatread(); 
if (btstatAA==0){settimer();}
else {
unsigned long currentMillis = millis(); //присваиваем переменной текущее значение милисекунд
//выполнить если разница текущего значения милисекунд и прошлого значения больше или равно 60000(минуты)
if (currentMillis - previousMillis >= interval)
{
secundes=secundes+1; //прибавить минуту к общему счетчику минут
secundesA=secundesA-1;//отнять минуту от обратного отсчета
previousMillis = currentMillis;   //присваиваем переменной предыдущего значения текущее значение милисекунд
}
if (secundesA <=0){timerEND();}
  }
}


void cifri(int cifer)
{
switch(cifer)
{
//0-9
case 0: 
registerWriteA(shregA[0]);
registerWriteB(shregB[0]);
break;  
case 1: 
registerWriteA(shregA[0]);
registerWriteB(shregB[1]);
break;  
case 2: 
registerWriteA(shregA[0]);
registerWriteB(shregB[2]);
break;  
case 3: 
registerWriteA(shregA[0]);
registerWriteB(shregB[3]);
break;  
case 4: 
registerWriteA(shregA[0]);
registerWriteB(shregB[4]);
break;  
case 5: 
registerWriteA(shregA[0]);
registerWriteB(shregB[5]);
break;  
case 6: 
registerWriteA(shregA[0]);
registerWriteB(shregB[6]);
break;  
case 7: 
registerWriteA(shregA[0]);
registerWriteB(shregB[7]);
break;  
case 8: 
registerWriteA(shregA[0]);
registerWriteB(shregB[8]);
break;  
case 9: 
registerWriteA(shregA[0]);
registerWriteB(shregB[9]);
break;  
//10-19
case 10: 
registerWriteA(shregA[1]);
registerWriteB(shregB[0]);
break;  
case 11: 
registerWriteA(shregA[1]);
registerWriteB(shregB[1]);
break;  
case 12: 
registerWriteA(shregA[1]);
registerWriteB(shregB[2]);
break;  
case 13: 
registerWriteA(shregA[1]);
registerWriteB(shregB[3]);
break;  
case 14: 
registerWriteA(shregA[1]);
registerWriteB(shregB[4]);
break;  
case 15: 
registerWriteA(shregA[1]);
registerWriteB(shregB[5]);
break;  
case 16: 
registerWriteA(shregA[1]);
registerWriteB(shregB[6]);
break;  
case 17: 
registerWriteA(shregA[1]);
registerWriteB(shregB[7]);
break;  
case 18: 
registerWriteA(shregA[1]);
registerWriteB(shregB[8]);
break;  
case 19: 
registerWriteA(shregA[1]);
registerWriteB(shregB[9]);
break; 
//20-29
case 20: 
registerWriteA(shregA[2]);
registerWriteB(shregB[0]);
break;  
case 21: 
registerWriteA(shregA[2]);
registerWriteB(shregB[1]);
break;  
case 22: 
registerWriteA(shregA[2]);
registerWriteB(shregB[2]);
break;  
case 23: 
registerWriteA(shregA[2]);
registerWriteB(shregB[3]);
break;  
case 24: 
registerWriteA(shregA[2]);
registerWriteB(shregB[4]);
break;  
case 25: 
registerWriteA(shregA[2]);
registerWriteB(shregB[5]);
break;  
case 26: 
registerWriteA(shregA[2]);
registerWriteB(shregB[6]);
break;  
case 27: 
registerWriteA(shregA[2]);
registerWriteB(shregB[7]);
break;  
case 28: 
registerWriteA(shregA[2]);
registerWriteB(shregB[8]);
break;  
case 29: 
registerWriteA(shregA[2]);
registerWriteB(shregB[9]);
break;  
//30-39
case 30: 
registerWriteA(shregA[3]);
registerWriteB(shregB[0]);
break;  
case 31: 
registerWriteA(shregA[3]);
registerWriteB(shregB[1]);
break;  
case 32: 
registerWriteA(shregA[3]);
registerWriteB(shregB[2]);
break;  
case 33: 
registerWriteA(shregA[3]);
registerWriteB(shregB[3]);
break;  
case 34: 
registerWriteA(shregA[3]);
registerWriteB(shregB[4]);
break;  
case 35: 
registerWriteA(shregA[3]);
registerWriteB(shregB[5]);
break;  
case 36: 
registerWriteA(shregA[3]);
registerWriteB(shregB[6]);
break;  
case 37: 
registerWriteA(shregA[3]);
registerWriteB(shregB[7]);
break;  
case 38: 
registerWriteA(shregA[3]);
registerWriteB(shregB[8]);
break;  
case 39: 
registerWriteA(shregA[3]);
registerWriteB(shregB[9]);
break;  
//40-49
case 40: 
registerWriteA(shregA[4]);
registerWriteB(shregB[0]);
break;  
case 41: 
registerWriteA(shregA[4]);
registerWriteB(shregB[1]);
break;  
case 42: 
registerWriteA(shregA[4]);
registerWriteB(shregB[2]);
break;  
case 43: 
registerWriteA(shregA[4]);
registerWriteB(shregB[3]);
break;  
case 44: 
registerWriteA(shregA[4]);
registerWriteB(shregB[4]);
break;  
case 45: 
registerWriteA(shregA[4]);
registerWriteB(shregB[5]);
break;  
case 46: 
registerWriteA(shregA[4]);
registerWriteB(shregB[6]);
break;  
case 47: 
registerWriteA(shregA[4]);
registerWriteB(shregB[7]);
break;  
case 48: 
registerWriteA(shregA[4]);
registerWriteB(shregB[8]);
break;  
case 49: 
registerWriteA(shregA[4]);
registerWriteB(shregB[9]);
break;  
//50-59
case 50: 
registerWriteA(shregA[5]);
registerWriteB(shregB[0]);
break;  
case 51: 
registerWriteA(shregA[5]);
registerWriteB(shregB[1]);
break;  
case 52: 
registerWriteA(shregA[5]);
registerWriteB(shregB[2]);
break;  
case 53: 
registerWriteA(shregA[5]);
registerWriteB(shregB[3]);
break;  
case 54: 
registerWriteA(shregA[5]);
registerWriteB(shregB[4]);
break;  
case 55: 
registerWriteA(shregA[5]);
registerWriteB(shregB[5]);
break;  
case 56: 
registerWriteA(shregA[5]);
registerWriteB(shregB[6]);
break;  
case 57: 
registerWriteA(shregA[5]);
registerWriteB(shregB[7]);
break;  
case 58: 
registerWriteA(shregA[5]);
registerWriteB(shregB[8]);
break;  
case 59: 
registerWriteA(shregA[5]);
registerWriteB(shregB[9]);
break;  
//60-69
case 60: 
registerWriteA(shregA[6]);
registerWriteB(shregB[0]);
break;  
case 61: 
registerWriteA(shregA[6]);
registerWriteB(shregB[1]);
break;  
case 62: 
registerWriteA(shregA[6]);
registerWriteB(shregB[2]);
break;  
case 63: 
registerWriteA(shregA[6]);
registerWriteB(shregB[3]);
break;  
case 64: 
registerWriteA(shregA[6]);
registerWriteB(shregB[4]);
break;  
case 65: 
registerWriteA(shregA[6]);
registerWriteB(shregB[5]);
break;  
case 66: 
registerWriteA(shregA[6]);
registerWriteB(shregB[6]);
break;  
case 67: 
registerWriteA(shregA[6]);
registerWriteB(shregB[7]);
break;  
case 68: 
registerWriteA(shregA[6]);
registerWriteB(shregB[8]);
break;  
case 69: 
registerWriteA(shregA[6]);
registerWriteB(shregB[9]);
break;  
//70-79
case 70: 
registerWriteA(shregA[7]);
registerWriteB(shregB[0]);
break;  
case 71: 
registerWriteA(shregA[7]);
registerWriteB(shregB[1]);
break;  
case 72: 
registerWriteA(shregA[7]);
registerWriteB(shregB[2]);
break;  
case 73: 
registerWriteA(shregA[7]);
registerWriteB(shregB[3]);
break;  
case 74: 
registerWriteA(shregA[7]);
registerWriteB(shregB[4]);
break;  
case 75: 
registerWriteA(shregA[7]);
registerWriteB(shregB[5]);
break;  
case 76: 
registerWriteA(shregA[7]);
registerWriteB(shregB[6]);
break;  
case 77: 
registerWriteA(shregA[7]);
registerWriteB(shregB[7]);
break;  
case 78: 
registerWriteA(shregA[7]);
registerWriteB(shregB[8]);
break;  
case 79: 
registerWriteA(shregA[7]);
registerWriteB(shregB[9]);
break;  
//80-89
case 80: 
registerWriteA(shregA[8]);
registerWriteB(shregB[0]);
break;  
case 81: 
registerWriteA(shregA[8]);
registerWriteB(shregB[1]);
break;  
case 82: 
registerWriteA(shregA[8]);
registerWriteB(shregB[2]);
break;  
case 83: 
registerWriteA(shregA[8]);
registerWriteB(shregB[3]);
break;  
case 84: 
registerWriteA(shregA[8]);
registerWriteB(shregB[4]);
break;  
case 85: 
registerWriteA(shregA[8]);
registerWriteB(shregB[5]);
break;  
case 86: 
registerWriteA(shregA[8]);
registerWriteB(shregB[6]);
break;  
case 87: 
registerWriteA(shregA[8]);
registerWriteB(shregB[7]);
break;  
case 88: 
registerWriteA(shregA[8]);
registerWriteB(shregB[8]);
break;  
case 89: 
registerWriteA(shregA[8]);
registerWriteB(shregB[9]);
break;  
//90-99
case 90: 
registerWriteA(shregA[9]);
registerWriteB(shregB[0]);
break;  
case 91: 
registerWriteA(shregA[9]);
registerWriteB(shregB[1]);
break;  
case 92: 
registerWriteA(shregA[9]);
registerWriteB(shregB[2]);
break;  
case 93: 
registerWriteA(shregA[9]);
registerWriteB(shregB[3]);
break;  
case 94: 
registerWriteA(shregA[9]);
registerWriteB(shregB[4]);
break;  
case 95: 
registerWriteA(shregA[9]);
registerWriteB(shregB[5]);
break;  
case 96: 
registerWriteA(shregA[9]);
registerWriteB(shregB[6]);
break;  
case 97: 
registerWriteA(shregA[9]);
registerWriteB(shregB[7]);
break;  
case 98: 
registerWriteA(shregA[9]);
registerWriteB(shregB[8]);
break;  
case 99: 
registerWriteA(shregA[9]);
registerWriteB(shregB[9]);
break;  
//
default: 
registerWriteA(shregA[0]);
registerWriteB(shregB[0]);
break;  
}
}