Arduino 8x8 led matrix

arduino_led_matrix_8x8.ino

// Base64 - Version: Latest 
#include <Base64.h>
//#include <base64.hpp>

// FastLED - Version: Latest 
#include <FastLED.h>
#define LED_PIN 2
#define MATRIX_WIDTH 8
#define MATRIX_HEIGHT 8
#define NUM_LEDS 64
#define BRIGHTNESS  12
#define LED_TYPE    WS2811
#define COLOR_ORDER GRB

CRGB leds[NUM_LEDS];

//base64
char pika[] = "AAAAgICAgICAAAAAAAAAAAAAAAAAgICA/4gZAAAAAAAAAAAA/2oA/9gAAAAAAAAAAAAAAAAAAAAA/9gA/9gA/9gA/9gA/4gZAAAA/9gA/9gAAAAA/9gAAAAA/2oA/2oA/2oA/2oAAAAA/wAA/9gA/9gA/9gA/4gZAAAA/4gZ/4gZ/4gZ/9gAAAAA/4gZAAAAAAAA/4gZ/9gA/3kF/9gA/4gZAAAAAAAAAAAA/3kF/2oA/2oA/3kF/9gAAAAAAAAA";
char klaver4_geel[] = "AAAA/+MA/+MAAAAAAAAA/+MA/+MAAAAA/+MA/+MA/+MAAAAAAAAA/+MA/+MA/+MA/+MA/+MA/+MAAAAAAAAA/+MA/+MA/+MAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA/+MA/+MA/+MAAAAAAAAA/+MA/+MA/+MA/+MA/+MA/+MAAAAAAAAA/+MA/+MA/+MAAAAA/+MA/+MAAAAAAAAA/+MA/+MAAAAA";
//char rainbow1[] = "AAAAAAAAAAAA/wAA/wAAAAAAAAAAAAAA/wAA/wAA/wAA/4wA/4wA/wAA/wAA/wAA/4wA/4wA/4wA/+wA/+wA/4wA/4wA/4wA/+wA/+wA/+wAAP8gAP8g/+wA/+wA/+wAAP8gAP8gAP8gAM//AM//AP8gAP8gAP8gAM//AM//AM//uwD/uwD/AM//AM//AM//uwD/uwD/uwD/AAAAAAAAuwD/uwD/uwD/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
char rainbow2[] = "AAAAAAAA/wAA/wAA/wAA/wAAAAAAAAAAAAAA/wAA/4wA/4wA/4wA/4wA/wAAAAAA/wAA/4wA/+wA/+wA/+wA/+wA/4wA/wAA/4wA/+wAAP8gAP8gAP8gAP8g/+wA/4wA/+wAAP8gAM//AM//AM//AM//AP8g/+wAAP8gAM//uwD/uwD/uwD/uwD/AM//AP8gAM//uwD/AAAAAAAAAAAAAAAAuwD/AM//uwD/AAAAAAAAAAAAAAAAAAAAAAAAuwD/";
char rd[] = "AAAAAAAAAAAA////////AAAAAAAAAAAAAAAAAAAA////////////////////AAAA////////////////////////////AAAAAAAAAAAA////////////////////AAAAAAAAAAAA/wAA/9gAACb/AAAAAAAAAAAAAAAAAAAAACb//9gA/wAAAAAAAAAAAAAAAAAAAAAAAAAA/wAA/9gAACb/AAAAAAAAAAAAAAAA/9gA/wAAAAAAAAAAAAAAAAAA";
// char plus[] = "AAAAAAAAAAAAABf/ABf/AAAAAAAAAAAAAAAAAAAAAAAAABf/ABf/AAAAAAAAAAAAAAAAAAAAAAAAABf/ABf/AAAAAAAAAAAAABf/ABf/ABf/ABf/ABf/ABf/ABf/ABf/ABf/ABf/ABf/ABf/ABf/ABf/ABf/ABf/AAAAAAAAAAAAABf/ABf/AAAAAAAAAAAAAAAAAAAAAAAAABf/ABf/AAAAAAAAAAAAAAAAAAAAAAAAABf/ABf/AAAAAAAAAAAA";
// char kruis[] = "ABf/AAAAAAAAAAAAAAAAAAAAAAAAABf/AAAAABf/AAAAAAAAAAAAAAAAABf/AAAAAAAAAAAAABf/AAAAAAAAABf/AAAAAAAAAAAAAAAAAAAAABf/ABf/AAAAAAAAAAAAAAAAAAAAAAAAABf/ABf/AAAAAAAAAAAAAAAAAAAAABf/AAAAAAAAABf/AAAAAAAAAAAAABf/AAAAAAAAAAAAAAAAABf/AAAAABf/AAAAAAAAAAAAAAAAAAAAAAAAABf/";
// char no_entry[] = "AAAA/wAA/wAA/wAA/wAA/wAA/wAAAAAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/////////////////////////wAA/wAA/////////////////////////wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAAAAAA/wAA/wAA/wAA/wAA/wAA/wAAAAAA";
// char heart[] = "AAAA/wAA/wAAAAAAAAAA/wAA/wAAAAAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAAAAAA/wAA/wAA/wAA/wAA/wAA/wAAAAAAAAAAAAAA/wAA/wAA/wAA/wAAAAAAAAAAAAAAAAAAAAAA/wAA/wAAAAAAAAAAAAAA";
// char heart2[] = "AAAA/wAA/wAAAAAAAAAA/wAA/wAAAAAA/wAAAAAAAAAA/wAA/wAAAAAAAAAA/wAA/wAAAAAAAAAAAAAAAAAAAAAAAAAA/wAA/wAAAAAAAAAAAAAAAAAAAAAAAAAA/wAA/wAAAAAAAAAAAAAAAAAAAAAAAAAA/wAAAAAA/wAAAAAAAAAAAAAAAAAA/wAAAAAAAAAAAAAA/wAAAAAAAAAA/wAAAAAAAAAAAAAAAAAAAAAA/wAA/wAAAAAAAAAAAAAA";
// char heart3[] = "AAAA/wAA/wAAAAAAAAAA/wAA/wAAAAAA/wAA/zkA/zkA/wAA/wAA/zkA/zkA/wAA/wAA/zkA/zkA/zkA/zkA/zkA/zkA/wAA/wAA/zkA/zkA/zkA/zkA/zkA/zkA/wAA/wAA/zkA/zkA/zkA/zkA/zkA/zkA/wAAAAAA/wAA/zkA/zkA/zkA/zkA/wAAAAAAAAAAAAAA/wAA/zkA/zkA/wAAAAAAAAAAAAAAAAAAAAAA/wAA/wAAAAAAAAAAAAAA";
// char heart4[] = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA/zkA/zkAAAAAAAAA/zkA/zkAAAAAAAAA/zkA/zkA/zkA/zkA/zkA/zkAAAAAAAAA/zkA/zkA/zkA/zkA/zkA/zkAAAAAAAAA/zkA/zkA/zkA/zkA/zkA/zkAAAAAAAAAAAAA/zkA/zkA/zkA/zkAAAAAAAAAAAAAAAAAAAAA/zkA/zkAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
char pokebal[] = "AAAAAAAA/wAA/wAA/wAA/wAAAAAAAAAAAAAA/wAA/wAA/wAA/wAA/wAA/wAAAAAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAA/wAAAAAAAAAAAAAAAAAA/wAA/wAAAAAAAAAAAAAA////////AAAAAAAAAAAA////////AAAAAAAAAAAAAAAA////////AAAA////////////////////////AAAAAAAAAAAA////////////////AAAAAAAA";
char dick[] = "EgsGExEQ////AAAA////AAAAAAAAAAAAAAAA////AAAA/6aO/6aOExMTCQkJBAMCAAAA/////8CO/8CO/8CO/8COAAAAAAAA////AAAA/8CO/8CO/8CO/8COAAAA////AAAAAAAA/8CO/8CO/8CO/8COAAAA////AAAA/6aO/6aO/8CO/8CO/6aO/6aO/////6aOAAAAAAAA/6aO/6aOAAAAAAAA/6aOAAAA/6aO/6aOAAAAAAAA/6aO/6aOAAAA";

void setup() {
  delay(3000);
  FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS);
  FastLED.setBrightness(BRIGHTNESS);
}

void loop() {
  patternTester();
  //indexTester();
  //xyTester();
  //allesAanTester();
  
  patternsBase64Tester();
}

void patternsBase64Tester() {
  // patternBase64(pika);
  // FastLED.show();
  // delay(750);
  
  patternBase64(dick);
  FastLED.show();
  delay(1750);
  
  patternBase64(klaver4_geel);
  FastLED.show();
  delay(750);
  
  // patternBase64(rainbow1);
  // FastLED.show();
  // delay(750);
  
  patternBase64(rainbow2);
  FastLED.show();
  delay(750);
  
  patternBase64(rd);
  FastLED.show();
  delay(750);
  
  // patternBase64(plus);
  // FastLED.show();
  // delay(750);
  
  // patternBase64(kruis);
  // FastLED.show();
  // delay(750);
  
  // patternBase64(no_entry);
  // FastLED.show();
  // delay(750);
  
  // patternBase64(heart);
  // FastLED.show();
  // delay(750);
  
  // patternBase64(heart2);
  // FastLED.show();
  // delay(750);
  
  // patternBase64(heart3);
  // FastLED.show();
  // delay(750);
  
  // patternBase64(heart4);
  // FastLED.show();
  // delay(750);
  
  patternBase64(pokebal);
  FastLED.show();
  delay(750);
  

   //all off
  for (int i = 0; i<NUM_LEDS;i++){
    leds[i] = CRGB::Black;
  }
  FastLED.show();
  delay(250);
}

void patternBase64(char inputString[]) {
  int decodedLength = Base64.decodedLength(inputString, strlen(inputString));
  char decodedString[decodedLength];
  Base64.decode(decodedString, inputString, strlen(inputString));
  for (int i = 0; i < decodedLength; i+=3) {
    leds[i/3] = CRGB(decodedString[i],decodedString[i+1],decodedString[i+2]);
  }
}

void patternTester() {
  //Assuming square matrix
  //cross
  for (int i = 0; i < MATRIX_WIDTH/2; i++) {
    //topleft
    leds[XY(i,i)] = CRGB::Red;
    //topright
    leds[XY(MATRIX_WIDTH-1-i,i)] = CRGB::Red;
    //bottomleft
    leds[XY(i,MATRIX_WIDTH-1-i)] = CRGB::Red;
    //bottomright
    leds[XY(MATRIX_WIDTH-1-i,MATRIX_WIDTH-1-i)] = CRGB::Red;
  }
  FastLED.show();
  delay(750);
  //all off
  for (int i = 0; i<NUM_LEDS;i++){
    leds[i] = CRGB::Black;
  }
  FastLED.show();
  delay(250);
  //rounded square
  for (int i = 0; i<MATRIX_WIDTH/2; i++){
    //top
    leds[XY(2+i,0)] = CRGB::Green;
    //bottom
    leds[XY(2+i,MATRIX_WIDTH-1)] = CRGB::Green;
    //left
    leds[XY(0,2+i)] = CRGB::Green;
    //right
    leds[XY(MATRIX_WIDTH-1,2+i)] = CRGB::Green;
  }
  //corners
  leds[XY(1,1)] = CRGB::Green; //topleft
  leds[XY(MATRIX_WIDTH-2,1)] = CRGB::Green; //topright
  leds[XY(1,MATRIX_WIDTH-2)] = CRGB::Green; //bottomleft
  leds[XY(MATRIX_WIDTH-2,MATRIX_WIDTH-2)] = CRGB::Green; //bottomright
  FastLED.show();
  delay(750);
  //all off
  for (int i = 0; i<NUM_LEDS;i++){
    leds[i] = CRGB::Black;
  }
  FastLED.show();
  delay(250);
}

void allesAanTester() {
  for (int i = 0; i<NUM_LEDS;i++){
    leds[i] = CRGB::Blue;
  }
  FastLED.show();
  delay(500);
  for (int i = 0; i<NUM_LEDS;i++){
    leds[i] = CRGB::Black;
  }
  FastLED.show();
  delay(250);
}

void indexTester() {
  int index = 0;
  while (index < NUM_LEDS){
    // Turn the first led red for 1 second
    leds[index] = CRGB::Purple; 
    FastLED.show();
    delay(100);
    
    // Set the first led back to black for 1 second
    leds[index] = CRGB::Black;
    FastLED.show();
    delay(1);
    index++;
  }
}

void xyTester() {
  for (int yy = 0; yy<MATRIX_HEIGHT; yy++) {
    for (int xx = 0; xx<MATRIX_WIDTH; xx++) {
      int i = XY(xx,yy);
      leds[i] = CRGB::Yellow;
      FastLED.show();
      delay(100);
      leds[i] = CRGB::Black;
      FastLED.show();
      delay(1);
    }
  }
}

int XY(int x, int y) {
  int i;
  if( y & 0x01) {
    // Odd rows run backwards
    int reverseX = (MATRIX_WIDTH - 1) - x;
    i = (y * MATRIX_WIDTH) + reverseX;
  } else {
    // Even rows run forwards
    i = (y * MATRIX_WIDTH) + x;
  }
  return i;
}