Clock-1.02

#include <Wire.h>
#include <RTClib.h>
#include <TimerOne.h>

RTC_DS1307 RTC;

volatile int countM = 0;
volatile int countH = 0;
volatile boolean zcM = 0;
volatile boolean zcH = 0;
int potPin = A0;
int buttonPin = A1;
int handArr[] = {4, 5, 6, 11, 12, 13, 14, 15, 16, 17, 18, 19};
int freqStep = 65;

int hourPin = handArr[0];
int hourBrightness = 0;

int minutePin = handArr[0];
int minuteBrightnessArr[] = {80, 65, 50, 35, 20};
int minuteBrightness = minuteBrightnessArr[0];

int dim = 1;

void setup()
{
    Serial.begin(57600);

    for (int i = 0; i < sizeof(handArr); ++i)
        pinMode(handArr[i], OUTPUT);

    Wire.begin();
    RTC.begin();

    attachInterrupt(0, zcDetect, RISING);

    Timer1.initialize(freqStep);
    Timer1.attachInterrupt(dimCheck);
}

void zcDetect()
{
    zcM = true;
    zcH = true;
    for (int i = 0; i < sizeof(handArr); ++i)
        digitalWrite(handArr[i], LOW);
}

void dimCheck()
{
    //MINUTES
    if (zcM)
    {
        if (countM >= minuteBrightness)
        {
            digitalWrite(minutePin, HIGH);
            countM = 0;
            zcM = false;
        }
        else
            countM++;
    }

    //HOURS
    if (zcH)
    {
        if (countH >= hourBrightness)
        {
            digitalWrite(hourPin, HIGH);
            countH = 0;
            zcH = false;
        }
        else
            countH++;
    }
}

void setBulbs()
{
    DateTime now = RTC.now();
    int hour = now.hour();
    int minute = now.minute();

    hourPin = handArr[hour - 1];

    if (minute == 0)
        minutePin = handArr[0];
    else
        minutePin = handArr[(int)ceil(minute/5) - 1];

    dim = analogRead(potPin);
    long tempDim = map(dim, 0, 1023, 1, 1.5);

    minuteBrightness = round(minuteBrightnessArr[(minute % 5) - 1] * tempDim);
    hourBrightness = minuteBrightness - minuteBrightnessArr[4];
}

void checkButtonState()
{
    buttonState = analogRead(buttonPin);
    int stateArr[] = {80, 65, 50, 35, 20};

}

void loop()
{
    setBulbs();
    checkButtonState();
    delay(20);
}