// MCU BASIC: https://www.basic4mcu.com
// DateTime : 2019-01-14 오전 10:18:26
// by Ok-Hyun Park
//
//1.delay 값을 줘서 RGBFading이 시작되는 시간을 주고싶습니다.
//예; 10초 후에 LED가 페이딩 됨
//
//2.9번 핀과 연결된 LED는 0~100까지만 페이딩 되게 하고 싶습니다.
//예: 5번과 6번핀은 0~255까지 밝아졌다 어두워지지만 9번핀은 0~100까지만 밝아짐,
//9번핀이 밝아지는 단계가 짧아서 주기가 맞지 안으면 안되며 5,6번핀과 같은 주기안에서 페이딩 되어야함
//
int fadingRGB_ledPin[3]={5,6,9}; // 핀 위치(G R B)
int fadeRGBValue[3]    ={0,0,0}; // 0부터 밝기 시작
int fadeRGBDir[3]      ={1,1,1}; // Led를 밝게함.0으로하면 처음에 꺼져있는듯...
//
void distancetriple_loop(){
  if(digitalRead(13)){
    unsigned long t=millis();
    for(int i=0; i<3; i++){ //아래 millis 함수의 i에 해당
      while(millis()-t<39);
      t=millis();
      fadingRGB_previousMillis[i]=currentMillis;
      //
      if(fadeRGBDir[i]==1){ // led를 밝게함
        if(fadeRGBValue[i]<=250)fadeRGBValue[i]+=5;
        else{ fadeRGBValue[i]=255; fadeRGBDir[i]=0; }
      }
      else{ // fadeRGBDir[i]==0
        if(fadeRGBValue[i]>=0){
          if(fadeRGBValue[i]>=5)fadeRGBValue[i]-=5;
          else{ fadeRGBValue[i]=0; fadeRGBDir[i]=1; }
        }
      }
      //
      if(i==2)analogWrite(fadingRGB_ledPin[i],(int)(fadeRGBValue[i]*0.392156862745098));
      else    analogWrite(fadingRGB_ledPin[i],fadeRGBValue[i]);
    }
  }
}