Reply To: Two ESP8266 P2P with WS2812b

Haha, well, we all had to start somewhere.

Do it in small steps.

Let’s start with the 3rd sketch, and move the loop() function to a separate function. This would look something like this. Look at the part of the code that I made bold.

Now the entire code of the loop has become its own function.

#include <FastLED.h>
// How many leds in your strip?
#define NUM_LEDS 36
#define blinkcount 3
#define DATA_PIN 8
int button = 4; //D2 (gpio4)
int buttonState=0;
// Define the array of leds
CRGB leds[NUM_LEDS];
void setup() { 
      // Uncomment/edit one of the following lines for your leds arrangement.
       FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
       pinMode(button, INPUT);
       LEDS.setBrightness(60);
}
void loop() {
  doLEDEffect();
}
void doLEDEffect() {
  buttonState=digitalRead(button); // put your main code here, to run repeatedly:
  if (buttonState == HIGH) {
    for(int blink=0; blink<blinkcount; blink++) {
      for(int i=0; i<NUM_LEDS; i++) {
        leds[i].setRGB(255,0,0);
        FastLED.show();
        delay(10);
      }
      delay(100);
      // Cleanup swipe after swipe
      //setAll(0,0,0);
      for(int i=0; i<NUM_LEDS; i++) {
        leds[i].setRGB(0,0,0);
        FastLED.show();
        delay(10);
      }
      delay(100);
    }
    setAll(0,0,0);
  }
  else {
    setAll(0,0,0);
  }
}
// Set all LEDs to a given color and apply it (visible)
void setAll(byte red, byte green, byte blue) {
  for(int i = 0; i < NUM_LEDS; i++ ) {
    leds[i].setRGB(red, green, blue); 
  }
  FastLED.show();
}