LED Matrix Test

LED_Matrix_Test.pde

const int lastFrame = 4; //Number of frames in the animation sequence
const boolean image[4][8][20] = 
{
  {
    {1,1,0,0,1,1,0,0,1,1,1,1,0,0,0,1,1,1,1,1},
    {1,1,0,0,1,1,0,0,1,1,1,0,0,0,0,1,1,1,1,1},
    {1,1,1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1},
    {1,1,1,1,0,0,1,1,1,1,0,0,0,1,1,1,0,1,1,0},
    {1,0,1,1,1,1,1,1,0,1,0,0,0,0,1,1,1,1,1,1},
    {1,0,0,1,1,1,1,0,0,1,1,0,0,0,0,1,1,1,1,1},
    {1,0,0,0,0,0,0,0,0,1,1,1,0,0,0,1,1,1,1,1},
    {1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1}
  },
  {
    {1,1,0,0,1,1,0,0,1,1,1,1,0,0,0,1,1,1,1,1},
    {1,1,0,0,1,1,0,0,1,1,1,0,0,0,0,0,1,1,1,1},
    {1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1,1},
    {1,1,1,1,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,1},
    {1,0,1,1,1,1,1,1,0,1,0,0,0,0,0,1,1,1,1,1},
    {1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,1,1,1,1},
    {1,0,0,1,1,1,1,0,0,1,1,1,0,0,0,1,1,1,1,1},
    {1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1}
  },
  {
    {1,1,0,0,1,1,0,0,1,1,1,1,0,0,0,1,1,1,1,1},
    {1,1,0,0,1,1,0,0,1,1,1,0,0,0,0,0,1,1,1,1},
    {1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1},
    {1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,1,1,1},
    {1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,1,1},
    {1,0,0,1,1,1,1,0,0,1,1,0,0,0,0,0,1,1,1,1},
    {1,0,0,1,1,1,1,0,0,1,1,1,0,0,0,1,1,1,1,1},
    {1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1}
  },
  {
    {1,1,0,0,1,1,0,0,1,1,1,1,0,0,0,1,1,1,1,1},
    {1,1,0,0,1,1,0,0,1,1,1,0,0,0,0,0,1,1,1,1},
    {1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,1,1,1,1,1},
    {1,1,1,1,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,1},
    {1,0,1,1,1,1,1,1,0,1,0,0,0,0,0,1,1,1,1,1},
    {1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,1,1,1,1},
    {1,0,0,1,1,1,1,0,0,1,1,1,0,0,0,1,1,1,1,1},
    {1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1}
  }
};

const int row[20] = {8,9,38,11,12,13,34,35,36,37,2,3,4,5,6,7,39,40,41,A1}; 
const int col[8] = {26,27,28,29,30,31,32,33};
const int matrixWidth = 20;
int currentFrame = 0;
int cycles = 0;
int cyclesPerFrame = 20;

void setup(){
  for(int p = 0; p < 8; p++) {
    pinMode(col[p], OUTPUT);
    digitalWrite(col[p], HIGH);
  }
  for(int q = 0; q < matrixWidth; q++) {
    pinMode(row[q], OUTPUT);
    digitalWrite(row[q], HIGH);
  }

}

void loop(){   
  for (int x=0;x<8;x++)
  {        
   for (int r=0;r<matrixWidth;r++)
   {
      digitalWrite(row[r], image[currentFrame][x][r]); 
   }    
    digitalWrite(col[x], LOW);
    delay(1);
    digitalWrite(col[x], HIGH);         
  }    
//This code helps with frame management.
  cycles++;
  if (cycles > cyclesPerFrame) {
   (currentFrame == lastFrame - 1) ? currentFrame=0 : currentFrame++; //If at last frame, reset counter else increment
   cycles = 0; 
  }
}