View difference between Paste ID: BdDxXUaV and 5cqLQ337

 #include "FastLED.h"
 #include "faces.h"
 
 // Matrix size
 #define NUM_ROWS 28
 #define NUM_COLS 26
 
 // Define pins
 #define DATA_PIN 3
 #define BUTTON_0 9
 #define BUTTON_1 10
 #define BUTTON_2 11
 
 // LED brightness
 #define BRIGHTNESS 255
 
 // Define the array of leds
 #define NUM_LEDS NUM_ROWS * NUM_COLS
 CRGB leds[NUM_LEDS];
 
 // Animation controls
 byte pressed = 1; // Tracks which face is currently being displayed
 bool button0Pressed = false;
 bool button1Pressed = false;
 bool button2Pressed = false;
 
 
 void setup() {
   FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
   FastLED.setBrightness(BRIGHTNESS);
   mid(); // Start the display with the forward-facing face
 }
 
 void loop() {
   // Read the button inputs
   button0Pressed = digitalRead(BUTTON_0) == LOW;
   button1Pressed = digitalRead(BUTTON_1) == LOW;
   button2Pressed = digitalRead(BUTTON_2) == LOW;
 
   // If an input occured AND it's different than the current face, display that face
   if (button0Pressed && !(pressed==0)) { pressed = 0; left(); }
   if (button1Pressed && !(pressed==1)) { pressed = 1; mid();  }
   if (button2Pressed && !(pressed==2)) { pressed = 2; right();}
 
   // Blink the eyes ocassionally
   EVERY_N_MILLISECONDS_I(blinktime, 1000) {
     blinking();
 	// After blinking, return to the previous face
   	switch (pressed) {
 	  	case 0: left(); break;
 	  	case 1: mid(); break;
 	  	case 2: right(); break;
     }
 	// Set the next blink delay
     blinktime.setPeriod( random16(1000,3000) );
   }
 }
 
 // Face-related functions:
 void mid() {
   // Read the forward face from PROGMEM, then display it.
   for (int i = 0; i < NUM_LEDS; i++) {
     leds[i] = pgm_read_dword_near(IdleFace + i);
  }
   FastLED.show();
 }
 void left() {
   // Read the left face from PROGMEM, then display it.
   for (int i = 0; i < NUM_LEDS; i++) {
     leds[i] = pgm_read_dword_near(LeftFace + i);
  }
   FastLED.show();
 }
 void right() {
   // Read the right face from PROGMEM, then display it.
   for (int i = 0; i < NUM_LEDS; i++) {
     leds[i] = pgm_read_dword_near(RightFace + i);
  }
   FastLED.show();
 }
 void blinking() {
   // Pick the appropriate blinking face based on the current facing
   switch (pressed) {
     case 0: leftB();   break;
     case 1: midB();    break;
     case 2: rightB();  break;
   }
 }
 void midB() {
   // Read the right face from PROGMEM, then display it.
   for (int i = 0; i < NUM_LEDS; i++) {
     leds[i] = pgm_read_dword_near(IdleBlink + i);
  }
   FastLED.show();
   // Hold the blink for 50 milliseconds so the blink is visible
   delay(50);
 }
 void leftB() {
   // Read the right face from PROGMEM, then display it.
   for (int i = 0; i < NUM_LEDS; i++) {
     leds[i] = pgm_read_dword_near(LeftBlink + i);
  }
   FastLED.show();
   // Hold the blink for 50 milliseconds so the blink is visible
   delay(50);
 }
 void rightB() {
   // Read the right face from PROGMEM, then display it.
   for (int i = 0; i < NUM_LEDS; i++) {
     leds[i] = pgm_read_dword_near(RightBlink + i);
  }
   FastLED.show();
   // Hold the blink for 50 milliseconds so the blink is visible
   delay(50);
 }