#include <arduino-timer.h>
#include <EEPROM.h>

int eeAddress = 1;
bool bulb = 0;

Timer<2, millis, const char *> Read_timer;

void setup() {
  // put your setup code here, to run once:
   Serial.begin(9600);
   Read_timer.every(100, TimerRead);  
   pinMode(2, INPUT_PULLUP); // set  pin 2 input - Filter tank low
}

void loop() {
 
  // put your main code here, to run repeatedly:
  Read_timer.tick();

}

void TimerRead(){
   // this code toggles the bulb without any globals
   // you need a global 4 other routines to query bulb though
   static bool Flag_2 = 0;
   static bool Flag_1 = 0;
   bool state = ReadDigitalButton(2);

   if (state == 1){ // Rung 1 if button closed
        Flag_2 = 1; // compare 
        Flag_1 = 0;
     }
     else{
        Flag_2 = 0;
        Flag_1 = 1;
     }
    
    if (Flag_1 == 1 || bulb == 1){ // Rung 2
      if (Flag_2 == 0){
        bulb = 1;
      }
      else {
        bulb = 0;
      }
    }
    
    Serial.print("Buttton " );Serial.println(state);  
    Serial.print("Bulb " );Serial.println(bulb); 

  return true;
}

bool ReadDigitalButton(int dport){
  bool foo = !digitalRead(dport); // 
  //if (foo == true){
  //  Serial.print("FOO @ port " );Serial.print(dport);Serial.print(" Output: ");Serial.println(foo);
  //}
  return foo;
}