School_Arduino1.c

#include <SoftwareSerial.h>
const byte ledCount = 2;
byte ledPins[] = {5, 6};
byte led1 = 0;
byte led2 = 0;
byte nowled = 0;

void light11() {
  if (led1 == 0) {
    for (int fadeValue = 0 ; fadeValue <= 100; fadeValue += 5) {
      analogWrite(ledPins[0], fadeValue);
      delay(30);
      led1 = 2;
    }
  } else if (led1 == 1) {
    for (int fadeValue = 255 ; fadeValue >= 100; fadeValue -= 5) {
      analogWrite(ledPins[0], fadeValue);
      delay(30);
      led1 = 2;
    }
  }


  if (led2 == 0) {
    for (int fadeValue = 0 ; fadeValue <= 100; fadeValue += 5) {
      analogWrite(ledPins[1], fadeValue);
      delay(30);
      led2 = 2;
    }
  } else if (led2 == 1) {
    for (int fadeValue = 255 ; fadeValue >= 100; fadeValue -= 5) {
      analogWrite(ledPins[1], fadeValue);
      delay(30);
      led2 = 2;
    }
  }
}

void light(byte num1, byte num2) {
  if (num1 == 1) {
    if (led1 == 0) {
      for (int fadeValue = 0 ; fadeValue <= 255; fadeValue += 5) {
        analogWrite(ledPins[0], fadeValue);
        delay(30);
        led1 = 1;
      }
    }else if(led1 == 2){
        for (int fadeValue = 100 ; fadeValue <= 255; fadeValue += 5) {
        analogWrite(ledPins[0], fadeValue);
        delay(30);
        led1 = 1;
      }
    }
  } else if (num1 == 0) {
    if (led1 == 1) {
      for (int fadeValue = 255 ; fadeValue >= 0; fadeValue -= 5) {
        analogWrite(ledPins[0], fadeValue);
        delay(30);
        led1 = 0;
      }
    }else if(led1 == 2){
       for (int fadeValue = 100 ; fadeValue >= 0; fadeValue -= 5) {
        analogWrite(ledPins[0], fadeValue);
        delay(30);
        led1 = 0;
      }
    }
  }

  if (num2 == 1) {
    if (led2 == 0) {
      for (int fadeValue = 0 ; fadeValue <= 255; fadeValue += 5) {
        analogWrite(ledPins[1], fadeValue);
        delay(30);
        led2 = 1;
      }
    }else if(led2 == 2){
      for (int fadeValue = 100 ; fadeValue <= 255; fadeValue += 5) {
        analogWrite(ledPins[1], fadeValue);
        delay(30);
        led2 = 1;
      }
    }
  } else if (num2 == 0) {
    if (led2 == 1) {
      for (int fadeValue = 255 ; fadeValue >= 0; fadeValue -= 5) {
        analogWrite(ledPins[1], fadeValue);
        delay(30);
        led2 = 0;
      }
    }else if(led2 == 2){
      for (int fadeValue = 100 ; fadeValue >= 0; fadeValue -= 5) {
        analogWrite(ledPins[1], fadeValue);
        delay(30);
        led2 = 0;
      }
    }
  }
}

void slight(int num) {
  if (num == 0) {
    light11();
  } else if (num == 1) {
    light(0, 1);
  } else if (num == 2) {
    light(1, 0);
  } else if (num == 3) {
    light(0, 0);
  }
}

void intt(){
  nowled++;
  if(nowled == 4)nowled = 0;
  slight(nowled);
}

void setup() {
  for (byte thisLed = 0; thisLed < ledCount; thisLed++) {
    pinMode(ledPins[thisLed], OUTPUT);
  }
  Serial.begin(9600);
  pinMode(2, INPUT);
}
void loop() {
  int switchStatus = digitalRead(2);
  digitalWrite(13, switchStatus); 
  Serial.println(switchStatus);  
}