PowerBuddy

//OPLADER Copyright Can Ur, Bob Schrama, Wesley Oerlemans

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#include <Fonts/Org_01.h>

#define on 2
#define change 4
#define next 3
#define reset 5
#define output 7

#define r A0
#define g A1
#define b A2

int red = 0, green = 255, blue = 0;

const uint8_t screenS[2] = {128, 48};
Adafruit_SSD1306 display(-1);

int seconds = 0, minutes = 1, hours = 0;

bool ticking = false, finished = false;

int index = 1, values[6] = {0, 0, 0, 0, 0, 0};

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

  pinMode(on, INPUT);
  pinMode(change, INPUT);
  pinMode(next, INPUT);
  pinMode(reset, INPUT);
  pinMode(output, OUTPUT);
  digitalWrite(output, LOW);

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
}

void loop()
{
  int totalTime = seconds + minutes*10 + hours*100;
  if(digitalRead(on) == 1 && !ticking && totalTime > 4)
  {
    finished = false;
    ticking = true;
  }

  if(digitalRead(reset) == 1)
  {
    if(!ticking) seconds = minutes = hours = 0;
    ticking = false;
    finished = true;
  }

  if(ticking) drawCharge();
  else drawSelect();

  if(ticking) green = 255;
  else green = 0;
  blue = 0;
  if(!ticking) red = 255;
  else red = 0;

  if(ticking)
  {
    digitalWrite(output, HIGH);
    tickClock();
  }
  else
  {
    digitalWrite(output, LOW);
    selectTimer();
  }

  analogWrite(r, red);
  analogWrite(g, green);
  analogWrite(b, blue);
}

void fontTxt()
{
  display.setFont(&Org_01);
}

void writeScreen(String text, int x, int y, int textSize, int scrollDel)
{
  display.setTextSize(textSize);
  if(!ticking) display.setTextColor(WHITE);
  else display.setTextColor(BLACK);
  display.setCursor(x, y);
  display.print(text);
  display.display();
  delay(scrollDel);
  if (scrollDel > 0) display.startscrollleft(0x00, 0x0F);
}

void drawCharge()
{
  display.clearDisplay();
  uint8_t color = 1;
  int x = screenS[0] / 2 - 2, y = 12;

  int countPos[2] = {x - 34, y + 18};
  String hrs = String(hours), mins = String(minutes), secs = String(seconds);
  if(hrs.length() < 2) hrs = "0" + String(hours);
  if(mins.length() < 2) mins = "0" + String(minutes);
  if(secs.length() < 2) secs = "0" + String(seconds);

  display.fillRect(0, 0, screenS[0], screenS[1], WHITE);

  int chargeX = x - 5;

  display.fillRect(chargeX + 4, y - 8, 18, 14, 0x0000); //Skin
  display.fillRect(chargeX + 11, y - 9, 13, 16, 0x0000); //HAIR - RIGHT
  display.fillRect(chargeX + 9, y - 6, 4, 10, color % 2); //EyeLeft
  display.fillRect(chargeX + 15, y - 6, 4, 10, color % 2); //EyeRight
  display.fillRect(chargeX - 13, y - 4, 15, 7, 0x0000); //HAIR - KNOT
  display.fillRect(chargeX + 23, y - 7, 7, 5, 0x0000); //stekkerTop
  display.fillRect(chargeX + 23, y + 1, 7, 5, 0x0000); //stekkerBottom

  fontTxt();
  writeScreen(hrs + ":" + mins + ":" + secs, countPos[0], countPos[1]-1, 2, 0);
  display.display();
}

void tickClock()
{
  if(hours <= 0 && minutes <= 0 && seconds <= 0)
  {
    ticking = false;
    finished = true;
  }

  if(seconds > 0) seconds--;
  else
  {
    if(minutes > 0)
    {
      seconds = 60;
      minutes--;
    }
    else
    {
      if(hours > 0)
      {
        minutes = 60;
        hours--;
      }
      else hours = 0;
    }
  }
  delay(1000);
}

void selectTimer()
{
  if(digitalRead(next) == 1)
  {
    index = ((index + 1) < 6)? index + 1 : 1;
    delay(100);
  }
  if(digitalRead(change) == 1 && index > 0)
  {
    if((index == 0 || index == 2 || index == 4)) values[index] += 10;
    else if((index == 3 && values[index-1] < 60) || (index == 5 && values[index-1] < 60) || (index != 3 && index != 5)) values[index]++;
    if(values[1] > 2) values[1] = 0;
    values[0] = 0;

    if((index == 4 || index == 2 || index == 0) && values[index] > 60) values[index] = 0;
    if((index == 1 || index == 3 || index == 5) && values[index] > 9) values[index] = 0;

    if(index == 2 && values[index] >= 60) values[index + 1] = 0;
    if(index == 4 && values[index] >= 60) values[index + 1] = 0;

    delay(100);
  }
  if(values[2] == 6) values[3] = 0;
  if(values[4] == 6) values[5] = 0;
  seconds = String(values[4] + values[5]).toInt();
  minutes = String(values[2] + values[3]).toInt();
  hours = String(values[0] + values[1]).toInt();
}

void drawSelect()
{
  display.clearDisplay();
  uint8_t color = 1;
  int x = screenS[0] / 2 - 2, y = 10;

  int countPos[2] = {x - 34, y + 18};
  String hrs = String(hours), mins = String(minutes), secs = String(seconds);
  if(hrs.length() < 2) hrs = "0" + String(hours);
  if(mins.length() < 2) mins = "0" + String(minutes);
  if(secs.length() < 2) secs = "0" + String(seconds);

  int clockX = x - 9;

  display.fillRect(clockX - 3, y - 6, 7, 10, color % 2); //Linkerkant
  display.fillRect(clockX + 4, y - 8, 18, 14, color % 2); //Base
  display.fillRect(clockX + 9, y - 6, 4, 7, 0x0000); //Wijzer
  display.fillRect(clockX + 13, y - 1, 8, 2, 0x0000); //WijzerKlein
  display.fillRect(clockX + 22, y - 6, 7, 10, color % 2); //Rechterkant

  fontTxt();

  writeScreen(hrs + ":" + mins + ":" + secs, countPos[0], countPos[1], 2, 0);

  display.fillRect(countPos[0] + (index*14-(index%2+1)), countPos[1] - 10, 10, 15, color & 2);
  display.display();
}