【秀出我的Atmel设计方案】+ATMEGA8A-PU

  int led = 9;           // the pin that the LED is attached to

  int pushButton = 2;

  int brightness = 0;    // how bright the LED is

  int fadeAmount = 1;    // how many points to fade the LED by  

  String inputString = "";         // a string to hold incoming data

    

  // the setup routine runs once when you press reset:

  void setup() {                

    // initialize the digital pin as an output.

    Serial.begin(9600);

 

    pinMode(pushButton, INPUT_PULLUP);

 

    pinMode(led, OUTPUT);   

  

    inputString.reserve(100);  

  }

  

  // the loop routine runs over and over again forever:

  void loop() {

    

    

      analogWrite(led, brightness);    

  

    // change the brightness for next time through the loop:

    brightness = brightness + fadeAmount;

  

    // reverse the direction of the fading at the ends of the fade: 

    if (brightness == 0 || brightness == 255) {

      fadeAmount = -fadeAmount ; 

      

      digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)

      delay(1000);               // wait for a second

      digitalWrite(led, LOW);    // turn the LED off by making the voltage LOW

      delay(1000); 

  

      int sensorValue = analogRead(A0);

      float voltage = sensorValue * (5.0 / 1023.0);

      // print out the value you read:

 

      Serial.print("Hello, SB!, voltage = ");

      Serial.print(voltage);

      

      int buttonState = digitalRead(pushButton);

      // print out the state of the button:

      Serial.print(", buttonState = ");

      Serial.println(buttonState);

  

      unsigned long currentMillis = millis();

      Serial.print("Current Mills = ");

      Serial.println(currentMillis);

    }     

    // wait for 30 milliseconds to see the dimming effect    

    delay(10);                            

  }

  

  

  void serialEvent() {

  while (Serial.available()) {

    // get the new byte:

    char inChar = (char)Serial.read(); 

    // add it to the inputString:

    inputString += inChar;

    // if the incoming character is a newline, set a flag

    // so the main loop can do something about it:

    if (inChar == '\n') {

      Serial.print("R:  ");

      Serial.println(inputString);

      inputString = "";

    } 

  }

}