// MCU BASIC: https://www.basic4mcu.com
// DateTime : 2018-09-10 오전 11:58:22
// by Ok-Hyun Park
//
#include <SoftwareSerial.h>
#include "SevenSegmentExtended.h"
//
const byte PIN_CLK=A4; // define CLK pin
const byte PIN_DIO=A5; // define DIO pin
//
char Buffer[50];
int hour,min,second,ip,id;
int     vol,      dim,      info;
int old_vol=0,old_dim=0,old_info=0;
SevenSegmentExtended display(PIN_CLK,PIN_DIO);
const unsigned int clockSpeed=1;
//
int cnt=0;
unsigned long start;
//
void setup(){
  Serial.begin(115200);
  display.begin(); display.setBacklight(25);
  start=millis();
}
//
void loop(){
  if(Serial.available()){
    char data=Serial.read();
    if(data=='\n'){
      Buffer[cnt]=0;
      //
      // 02,58,38,IP093,ID123,V0,D0,I0->라즈베리 파이를 아두이노 시리얼로 넘어오는 프로토콜입니다.
      // IP와 ID는 임의로 줬습니다.V0,D0,I0는 각각의 버튼을 누를 때 0~3까지 변합니다.
      sscanf(Buffer,"%d,%d,%d,IP%d,ID%d,V%d,D%d,I%d",&hour,&min,&second,&ip,&id,&vol,&dim,&info); // 파싱
      //
      if(hour  <10)Serial.print("0"); Serial.print(hour); Serial.print(",");
      if(min   <10)Serial.print("0"); Serial.print(min ); Serial.print(",");
      if(second<10)Serial.print("0"); Serial.print(second);
      //
      Serial.print(",IP"); if(ip<10)Serial.print("00"); if(ip<100)Serial.print("0"); Serial.print(ip);
      Serial.print(",ID"); if(id<10)Serial.print("00"); if(id<100)Serial.print("0"); Serial.print(id);
      //
      Serial.print(",V"); Serial.print(vol);    // Print Vol value
      Serial.print(",D"); Serial.print(dim);    // Print Dim value
      Serial.print(",I"); Serial.println(info); // Print Info value
      //--------------------------------------------------------------------------------------------
      if((millis()-start)>1000){ // start 후 1초가 지난 시점부터 표시
        if(old_vol!=vol){ old_vol=vol; start=millis();
        }
        //--------------------------------------------------------------------------------------------
        else if(old_dim!=dim){ old_dim=dim; start=millis();
          switch(dim%4){ // Dimmer 표시
            case 0: display.setBacklight( 35); break;
            case 1: display.setBacklight(100); break;
            case 2: display.setBacklight(  0); break;
            case 3: display.setBacklight( 25); break;
          }
        }
        //--------------------------------------------------------------------------------------------
        else if(old_info!=info){ old_info=info; start=millis();
        }
        //--------------------------------------------------------------------------------------------
        else{
          display.printTime(hour,min,true);         // FND 시간 표시
        }
      }
      //--------------------------------------------------------------------------------------------
      cnt=0;
    }
    else{ Buffer[cnt++]=data; }
  }
}