/* LAB3 BY HERNAN LOZANO */
unsigned long ms_runtime;
int one_ms_timer;
//DEFINE ALL TIMERS AS UNSIGNED LONG
// These timers are incremented every 100ms = 0.1s
unsigned long timer1; // timer1 is used for blinking LED
unsigned long button_dbnc_tmr = 0; // button_dbnc_tmr for debouncing input
const int buttonPin = 2;
const int LED1 = 13;
unsigned int state; // possible values 0 -> 1 ... -> 9 -> 0
void setup()
{
readmemory();
}
void loop()
{
  static bool allow_change;
  static unsigned int old_state;

  if(digitalRead(buttonPin) == 1)
    {
      if(allow_change == 1)
    {
  if(button_dbnc_tmr > 10)
    {
      allow_change = 0;
      state++;
      if(state > 9)
        state = 0;
        Serial.println(state);
    }
  }
}
  else
    {
      allow_change = 1;
      button_dbnc_tmr = 0;
    }
    setLED(state);
      if (state != old_state)
        {
          updatememory(0,state);
          old_state = state;
        }
      }
void setLED(int state)
{
switch(state)
{
  case 0:
    analogWrite(LED1, 0);
    inctimers();
      break;
  case 1:
    analogWrite(LED1, 25);
      break;
  case 2:
    analogWrite(LED1, 50);
      break;
  case 3:
    analogWrite(LED1, 75);
      break;
  case 4:
    analogWrite(LED1, 100);
      break;
  case 5:
    analogWrite(LED1, 125);
      break;
  case 6:
    analogWrite(LED1, 150);
      break;
  case 7:
    analogWrite(LED1, 175);
      break;
  case 8:
    analogWrite(LED1, 200);
      break;
  case 9:
    analogWrite(LED1, 250); //maximum intensity
      break;
  default:
      break;
}
}
int inctimers()
{
/*COMPLETE FUNCTION*/
for(int fadeValue = 0 ; fadeValue <= 255; fadeValue +=5)
  {
    // sets the value (range from 0 to 255):
    analogWrite(LED1, fadeValue);
    // wait for 30 milliseconds to see the dimming effect
    delay(200);
  }
  // fade out from max to min in increments of 5 points:
  for(int fadeValue = 255 ; fadeValue >= 0; fadeValue -=5)
  {
    // sets the value (range from 0 to 255):
    analogWrite(LED1, fadeValue);
    // wait for 30 milliseconds to see the dimming effect
    delay(10);
  }
}
void readmemory()
{
/*COMPLETE FUNCTION*/
//The arduino measures voltage from 0 - 500

}
void updatememory(int address,int value)
{
/*COMPLETE FUNCTION*/
}