esp32arduino嵌入式流水灯(包含源码)

1.接通电源后就是比较慢的流水灯

2.按一下按钮变成管脚为G16的第一个小灯闪烁

3.再按一下变成模式2，变成比较快的流水灯，三个灯依次闪烁

设备名称	设备管脚	ESP32管脚
LED1_PIN	阳极	16
LED2_PIN	阳极	17
LED3_PIN	阳极	18
BUTTON_PIN	阳极	0

#define LED1_PIN 16
#define LED2_PIN 17
#define LED3_PIN 18
#define BUTTON_PIN 0

volatile int mode = 0;

void IRAM_ATTR handleButtonPress() {
  mode = (mode + 1) % 3; 
}

void setup() {
  Serial.begin(115200);

  pinMode(LED1_PIN, OUTPUT);
  pinMode(LED2_PIN, OUTPUT);
  pinMode(LED3_PIN, OUTPUT);

  pinMode(BUTTON_PIN, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(BUTTON_PIN), handleButtonPress, FALLING);

  digitalWrite(LED1_PIN, LOW);
  digitalWrite(LED2_PIN, LOW);
  digitalWrite(LED3_PIN, LOW);
}

void loop() {
  switch (mode) {
    case 0:
      digitalWrite(LED1_PIN, HIGH);
      digitalWrite(LED2_PIN, LOW);
      digitalWrite(LED3_PIN, LOW);
      delay(1000);
      digitalWrite(LED1_PIN, LOW);
      digitalWrite(LED2_PIN, HIGH);
      digitalWrite(LED3_PIN, LOW);
      delay(1000);
      digitalWrite(LED1_PIN, LOW);
      digitalWrite(LED2_PIN, LOW);
      digitalWrite(LED3_PIN, HIGH);
      delay(1000);
      break;

    case 1:
      digitalWrite(LED1_PIN, HIGH);
      digitalWrite(LED3_PIN, LOW);
      
      delay(100);
      digitalWrite(LED1_PIN, LOW);
      digitalWrite(LED3_PIN, LOW);
      delay(100);
      break;

    case 2:
      digitalWrite(LED1_PIN, HIGH);
      digitalWrite(LED2_PIN, LOW);
      digitalWrite(LED3_PIN, LOW);
      delay(200);
      digitalWrite(LED1_PIN, LOW);
      digitalWrite(LED2_PIN, HIGH);
      digitalWrite(LED3_PIN, LOW);
      delay(200);
      digitalWrite(LED1_PIN, LOW);
      digitalWrite(LED2_PIN, LOW);
      digitalWrite(LED3_PIN, HIGH);
      delay(200);
      break;

    default:
      mode = 0;
      break;
  }

  
}