/*******************************************************************************
  LED POV (Persistance Of Vision) clock/display software v0.00
  By: David DiPaola and Erik Nystrom
  Hardware:
    -Arduino Duemilanove
    -3v LEDs on digital I/O ports 2-6 with 100k resistors
*******************************************************************************/

//Constants
int WIDTH = 500;     //Number of us for each "column" of virtual display
int DELAY = 2*WIDTH;     //Number of us for spacing between columns
int BUTTON = 0;         //Digital I/O port for the pushbutton
              //NOTE: This LED setup is for watches worn on the LEFT
              //wrist, if you wear your watch on the right, reverse
              //the order of the numbers below.
int LED_A = 6;          //Digital I/O port for LED A
int LED_B = 5;          //Digital I/O port for LED B
int LED_C = 4;          //Digital I/O port for LED C
int LED_D = 3;          //Digital I/O port for LED D
int LED_E = 2;          //Digital I/O port for LED E

void setup(){
  pinMode(0, INPUT);
  pinMode(LED_A, OUTPUT);
  pinMode(LED_B, OUTPUT);
  pinMode(LED_C, OUTPUT);
  pinMode(LED_D, OUTPUT);
  pinMode(LED_E, OUTPUT);
}

void loop(){
  drawOne();
  drawTwo();
  drawColon();
  drawFive();
  drawNine();
  drawP();
  drawSpace();
  drawSpace();
  drawSpace();
  drawSpace();
  drawSpace();
  drawSpace();
}

void setLEDs(boolean A, boolean B, boolean C, boolean D, boolean E){
  digitalWrite(LED_A, !A);
  digitalWrite(LED_B, !B);
  digitalWrite(LED_C, !C);
  digitalWrite(LED_D, !D);
  digitalWrite(LED_E, !E);
}

void drawZero(){
    setLEDs(0, 1, 1, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 0, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 0, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 1, 1, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawOne(){
    setLEDs(1, 0, 0, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 0, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 1, 1, 1, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 0, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawTwo(){
    setLEDs(1, 0, 0, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 1, 0, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 0, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawThree(){
    setLEDs(0, 1, 0, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 1, 0, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawFour(){
    setLEDs(0, 0, 1, 1, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 1, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 1, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 1, 1, 1, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawFive(){
    setLEDs(1, 0, 1, 1, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 1, 0, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawSix(){
    setLEDs(0, 1, 1, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 1, 0, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawSeven(){
    setLEDs(0, 0, 0, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 1, 0, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 0, 1, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawEight(){
    setLEDs(0, 1, 0, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 1, 0, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawNine(){
    setLEDs(1, 0, 0, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 1, 1, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawColon(){
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 1, 0, 1, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 1, 0, 1, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawA(){
    setLEDs(1, 1, 1, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(1, 1, 1, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawP(){
    setLEDs(1, 1, 1, 1, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 1, 0, 1);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 0, 1, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}

void drawSpace(){
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(WIDTH);
    setLEDs(0, 0, 0, 0, 0);
    delayMicroseconds(DELAY);
}