const byte ledPins[] = {40, 39, 38};    //define red, green, blue led pins
const byte chns[] = {0, 1, 2};          //define the pwm channels
int red, green, blue;
int frequency = 300; // frequence mini 160hz pour 8 bits de resolution
int resolution = 8;
int delaytime = 5;
int maxrandomize = 255;

void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32-S3!");
  for (int i=0; i<3; i++){
    ledcAttach(ledPins[i], frequency, resolution);
  }
}

void setColor(int red, int green, int blue) {
  // Serial.println((String)"rouge = "+red+" , vert = "+green+" , Bleue = "+blue);
  ledcWrite(ledPins[0], 255-red);  // la led est une anode commune 0= alumée, 1= eteinte
  ledcWrite(ledPins[1], 255-green);
  ledcWrite(ledPins[2], 255-blue);
}

void ledincrement(int colorled) {
  for (int i=0; i<(maxrandomize+1); i++){
    if (colorled==0) {
      setColor(i, 0, 0); // Red
      delay(delaytime);
      // Serial.println((String)"i = "+i);
    } else if(colorled==1){
      setColor(0, i, 0); // Red
      delay(delaytime);
      // Serial.println((String)"i = "+i);
    } else if(colorled==2){
    setColor(0, 0, i); // Red
    delay(delaytime);
    // Serial.println((String)"i = "+i);
    }
  }
}

void leddecrement(int colorled) {
  for (int i=maxrandomize; i>-1; i--){
    if (colorled==0) {
      setColor(i, 0, 0); // Red
      delay(delaytime);
      // Serial.println((String)"i = "+i);
    } else if(colorled==1){
      setColor(0, i, 0); // Red
      delay(delaytime);
      // Serial.println((String)"i = "+i);
    } else if(colorled==2){
    setColor(0, 0, i); // Red
    delay(delaytime);
    // Serial.println((String)"i = "+i);
    }
  }
}
void loop() {
  
  for (int y=0; y<3; y++){
    ledincrement(y);
    leddecrement(y);
  }
  delay(delaytime+1000);
  setColor(random(0, maxrandomize), random(0, maxrandomize), random(0, maxrandomize));
  delay(delaytime+2000);

}