void setup() {
  // put your setup code here, to run once:
  attachInterrupt(digitalPinToInterrupt(8),buttonPressed1,RISING);
  attachInterrupt(digitalPinToInterrupt(7),buttonPressed2,FALLING);

}

void buttonPressed1()           
{                   
  //输出 = 高；
  digitalWrite(PIN_D6, LOW);  // LED on               

}

void buttonPressed2()           
{                   
  //输出 = 低；
  digitalWrite(PIN_D6, HIGH); // LED off               

}

void loop() {
  // put your main code here, to run repeatedly:

}