/*
  7-Segment Display - Four Digit, directly wired
  7-seg-multi.ino
  Print a number to a 4-digit 7-segment display

  DroneBot Workshop 2022
  https://dronebotworkshop.com
*/

// Include library
#include "SevSeg.h"


#define countUp A0
#define INT_EN A1 
#define RST A2
byte counter = 0;


unsigned long t = millis();

// Create object
SevSeg sevseg;

// Number of digits in display
byte numDigits = 4;
// Display select pins
byte digitPins[] = {10, 11, 12, 13};
// Display segment pins A,B,C,D,E,F,G,DP
byte segmentPins[] = {9, 2, 3, 5, 6, 8, 7, 4};
// Dropping resistors used
bool resistorsOnSegments = true;
// Display type
byte hardwareConfig = COMMON_CATHODE;

void setup() 
{
  pinMode(countUp, INPUT_PULLUP);
  pinMode(INT_EN, INPUT_PULLUP);
  pinMode(RST, INPUT_PULLUP);
  PCICR = B010;
  PCMSK1 = B0000101;
  
  //attachInterrupt(digitalPinToInterrupt(countUp), ISR_countUp, RISING);
  

  // Start display object
  sevseg.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments);
  // Set brightness
  sevseg.setBrightness(0);
  
          
}

void loop() 
{
  // Set the number to display
  sevseg.setNumber(counter);
  // Refresh the display
  sevseg.refreshDisplay();
}
ISR(PCINT1_vect)
{
   
        if (millis()-t >= 50)
        {   
             
              t = millis();
              if(!digitalRead(countUp))
              { counter++; PCMSK1 = B0000110;}

              if(!digitalRead(INT_EN))
              {PCMSK1 = B0000101;}

              if(!digitalRead(RST))
              {counter = 0; PCMSK1 = B0000101;}
              
        }
     
   
       
      
  }