LightCube Arduino Code

DESN6037_ex2_BuckinghamKristjan_LightCube

#include <Servo.h>

/* 
LightCube 
Kristjan Buckingham
DIGF 6037: Creation & Computation 
OCAD University 
Created on October 19, 2020 
Based on: 
   Creation & Computation - Digital Futures, OCAD University
   blinkMultipleLEDs_loopANDarrays, Kate Hartman / Nick Puckett

   Fade an LED using a timer
   Based on Basic Arduino Fade example, but updated to remove the delay

*Display 3 modes of lighting effects based on amount of light detected
*Housed in a box with holes, labels, and cutouts to create a lantern

*/


int ledPins[] = {2, 3, 5, 6, 9, 10, 11};     //Pin that the led is attached to - check that it is a PWM pin
int fadeRates[] = {7, 8, 2, 3, 0, 0, 0};  //the time between updates in milliseconds
int minBrightVal[] = {0, 0, 0, 0, 0, 0, 0}; //sets the low point of the fade range
int maxBrightVal[] = {150, 150, 150, 150, 150, 150, 150}; //sets the high point of the fade range
int fadeIncrement[] = {1, 1, 1, 1, 1, 1, 1}; // how much to change the brightness each cycle
int ledBrightness[] = {10, 10, 10, 10, 0, 0, 0};
int ledTotal = sizeof(ledPins) / sizeof(int);
int sensor1Pin = A0;
int sensor1Val;

long lastTimeYouChanged[] = {0, 0, 0, 0, 0, 0, 0}; //this stores the time of the last change

void setup()
{
  Serial.begin(9600);

  for (int i = 0; i < ledTotal; i++)
  {
    pinMode(ledPins[i], OUTPUT);                 //Set the pin to output mode

    ledBrightness[i] = minBrightVal[i];
  }
}

void loop()
{
  sensor1Val = analogRead(sensor1Pin);
  Serial.print("light1: ");
  Serial.println(sensor1Val);

  if (sensor1Val >= 250 && sensor1Val < 700)
  {

    for (int i = 0; i < ledTotal; i++)
    {
      if (millis() - lastTimeYouChanged[i] >= fadeRates[i]) //this very simple statement is the timer,
      { //it subtracts the value of the moment in time the last blink happened, and sees if that number is larger than your set blinking value
        analogWrite(ledPins[i], ledBrightness[i]);

        ledBrightness[i] += fadeIncrement[i];

        if (ledBrightness[i] <= minBrightVal[i] || ledBrightness[i] >= maxBrightVal[i])
        {
          fadeIncrement[i] = -fadeIncrement[i];
        }

        lastTimeYouChanged[i] = millis();            //save the value in time that this switch occured, so we can use it again.

      }
    }
    ledBrightness[2] = 0;
    ledBrightness[3] = 0;
    ledBrightness[4] = 0;
    ledBrightness[5] = 0;
    ledBrightness[6] = 0;
  } else if (sensor1Val >= 700)
  {

    for (int i = 0; i < ledTotal; i++)
    {
      if (millis() - lastTimeYouChanged[i] >= fadeRates[i]) //this very simple statement is the timer,
      { //it subtracts the value of the moment in time the last blink happened, and sees if that number is larger than your set blinking value
        analogWrite(ledPins[i], ledBrightness[i]);

        ledBrightness[i] += fadeIncrement[i];

        if (ledBrightness[i] <= minBrightVal[i] || ledBrightness[i] >= maxBrightVal[i])
        {
          fadeIncrement[i] = -fadeIncrement[i];
        }

        lastTimeYouChanged[i] = millis();            //save the value in time that this switch occured, so we can use it again.

      }
    }
    ledBrightness[0] = 0;
    ledBrightness[1] = 0;
    ledBrightness[4] = 0;
    ledBrightness[5] = 0;
    ledBrightness[6] = 0;
  } else if (sensor1Val < 250)
  {
    ledBrightness[0] = 0;
    ledBrightness[1] = 0;
    ledBrightness[2] = 0;
    ledBrightness[3] = 0;
    ledBrightness[4] = 150;
    ledBrightness[5] = 150;
    ledBrightness[6] = 150;

  }
}