/*
  TFTにカレンダーを表示するプログラム　2020/１１/１　Revised　11月判定修正 2021/05 3月判定missing修正
      使用TFT：LCD9431
  */


#include "SPI.h"
#include "Adafruit_GFX.h"   // Core graphics library
#include "Adafruit_TFTLCD.h" // Hardware-specific library

// The control pins for the LCD can be assigned to any digital or
// analog pins...but we'll use the analog pins as this allows us to
// double up the pins with the touch screen (see the TFT paint example).
#define LCD_CS A3 // Chip Select goes to Analog 3
#define LCD_CD A2 // Command/Data goes to Analog 2
#define LCD_WR A1 // LCD Write goes to Analog 1
#define LCD_RD A0 // LCD Read goes to Analog 0
#define LCD_RESET A4 // Can alternately just connect to Arduino's reset pin

// Assign human-readable names to some common 16-bit color values:
#define  BLACK   0x0000
#define BLUE    0x001F
#define RED     0xF800
#define GREEN   0x07E0
#define CYAN    0x07FF
#define MAGENTA 0xF81F
#define YELLOW  0xFFE0
#define WHITE   0xFFFF


Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);
// create an instance of the library
String priorday;
String priorhour;
int day_change=1;
char sensorPrintout[4];
int initialFlag=0;

//BME280
#include "Wire.h"
#include "Adafruit_Sensor.h"
#include "Adafruit_BME280.h"
#define SEALEVELPRESSURE_HPA (1013.25)
Adafruit_BME280 bme; // I2C
unsigned long delayTime;



void setup() {

  Serial.begin(9600);
  Serial1.begin(9600);  //For GPS READ
  
  #ifdef USE_ADAFRUIT_SHIELD_PINOUT
  Serial.println(F("Using Adafruit 2.4\" TFT Arduino Shield Pinout"));
#else
  Serial.println(F("Using Adafruit 2.4\" TFT Breakout Board Pinout"));
#endif

  Serial.print("TFT size is "); Serial.print(tft.width()); Serial.print("x"); Serial.println(tft.height());

   tft.reset();


 uint16_t identifier = tft.readID();
   if(identifier == 0x9325) {
    Serial.println(F("Found ILI9325 LCD driver"));
  } else if(identifier == 0x9328) {
    Serial.println(F("Found ILI9328 LCD driver"));
  } else if(identifier == 0x4535) {
    Serial.println(F("Found LGDP4535 LCD driver"));
  }else if(identifier == 0x7575) {
    Serial.println(F("Found HX8347G LCD driver"));
  } else if(identifier == 0x9341) {
    Serial.println(F("Found ILI9341 LCD driver"));
  } else if(identifier == 0x8357) {
    Serial.println(F("Found HX8357D LCD driver"));
  } else if(identifier==0x0101)
  {     
      identifier=0x9341;
       Serial.println(F("Found 0x9341 LCD driver"));
  }else {
//   Serial.print(F("Unknown LCD driver chip: "));
//    Serial.println(identifier, HEX);
//    Serial.println(F("If using the Adafruit 2.8\" TFT Arduino shield, the line:"));
//    Serial.println(F("  #define USE_ADAFRUIT_SHIELD_PINOUT"));
//    Serial.println(F("should appear in the library header (Adafruit_TFT.h)."));
//    Serial.println(F("If using the breakout board, it should NOT be #defined!"));
//    Serial.println(F("Also if using the breakout, double-check that all wiring"));
//    Serial.println(F("matches the tutorial."));
    identifier=0x9341;
  }

  tft.begin(identifier);
  tft.fillScreen(BLACK);

// GPS setup
 //NMEA Checksum https://nmeachecksum.eqth.net/
 // set the data rate for the SoftwareSerial port
 ////NMEA Checksum https://nmeachecksum.eqth.net/
 
 Serial1.begin(9600);
 Serial1.print("$PUBX,40,GLL,0,0,0,0,0,0*5C\r\n"); //出力限定 No output
/// 出力する場合は　mySerial.print("$PUBX,40,GLL,0,1,0,0,0,0*5D\r\n"); 
// Serial1.print("$PUBX,40,GLL,0,1,0,0,0,0*5D\r\n"); 
 Serial1.print("$PUBX,40,GSV,0,0,0,0,0,0*59\r\n"); //出力限定 No output
 Serial1.print("$PUBX,40,VTG,0,0,0,0,0,0*5E\r\n"); //出力限定 No output
 Serial1.print("$PUBX,40,GGA,0,0,0,0,0,0*5A\r\n"); //出力限定 No output
 /// 出力する場合は　mySerial.print("$PUBX,40,GGA,0,1,0,0,0,0*5B\r\n"); 
 Serial1.print("$PUBX,40,GSA,0,0,0,0,0,0*4E\r\n"); //出力限定 No output
 //delay(300); 
 
 
//BME280_Setup
Serial.println(F("BME280 test"));

    bool status;
    
    // default settings
    // (you can also pass in a Wire library object like &Wire2)
    status = bme.begin(0x76);  
    if (!status) {
        Serial.println("Could not find a valid BME280 sensor, check wiring!");
        while (1);
    }
    
    Serial.println("-- Default Test --");
    delayTime = 1000;

    Serial.println();
    
tft.setRotation(1);
tft.setTextColor(YELLOW,BLACK);
tft.setCursor(30, 120);
tft.setTextSize(3);   
tft.print("T=");
tft.setCursor(30, 150);
tft.setTextSize(3);   
tft.print("P="); 
tft.setCursor(30, 180);
tft.setTextSize(3);   
tft.print("H="); 

}

void loop() {


//GPS Read Test-------
//


String dtstr;
 String dummy,dummy2;
 int k;
 long hhmmss;
 long ddmmyy;
 String YY,MT,DD,HH,MM,SS;
 String dumY,dumT;
 int pos1,pos2;
 int uyear,umonth,uday,uhh,umin,usec;


 
 String line = Serial1.readStringUntil('\n');
                                              
 /////Serial.println(line);
 
 //  Serial.println(line.length());
 //delay(400);
 
  if(line != ""){
    int i, index = 0, len = line.length();
    String str = "";



        if(MidDol(line,1,6)=="$GPRMC"  ) {   /////Serial.println(line); k=findkosuu(line,",");
                                                 
     
           //---Time Block extract------
                 pos1=findposition(line,",",1)+2;
                 pos2=findposition(line,",",2);
                 dumT=MidDol(line,pos1,pos2);  ////U Time extract
           //---Year Block extract------
                 pos1=findposition(line,",",9)+2;
                 pos2=findposition(line,",",10);
                 dumY=MidDol(line,pos1,pos2);
                                            
    
               hhmmss = dumT.toInt();    //1sec plus 
               
               uhh = hhmmss / 10000;
               umin =  (hhmmss / 100) % 100;
               usec =  hhmmss % 100 % 60;  //Avoid 60Sec
               ddmmyy = dumY.toInt();
               uyear = 2000+ddmmyy % 100;
               umonth = (ddmmyy / 100) % 100;
               uday = ddmmyy / 10000;
                                                     
                                                      
    dummy=UTC2JST (uyear,umonth,uday,uhh,umin,usec);
   
         ///   dummy="2019/3/27/11:15:17";  //speed test       //Serial.println(dummy);
         //    dummy.concat("   "); //0秒～9秒までのエラー回避
         //  Serial.println(UTC2JST (u_year,u_month,u_day,u_hh,u_min,u_sec) );
    

 tft.setCursor(0, 60);   
 
if(line.length()>60){tft.setTextColor(CYAN,BLACK);}
                    else{tft.setTextColor(RED,BLACK);}       
 
 tft.setCursor(40, 60);   
 tft.setTextSize(5);

 
 tft.println(MidDol(dummy,12,19));  

 
 ///年月の表示
 

 tft.setCursor(10, 5);
    if(line.length()>60){tft.setTextColor(CYAN,BLACK);}
                   else{tft.setTextColor(RED,BLACK);}                  
 tft.setTextSize(5);

if(initialFlag==0) { tft.println(MidDol(dummy,1,10));initialFlag=1; } 
 
 //最初は日付表示

if(initialFlag==1 && day_change==1){ tft.println(MidDol(dummy,1,10)); }
 
//日付が変わらない間は表示しない
        
                   }

    
//TempPressHumid表示


if (usec==0){
tft.setTextColor(YELLOW,BLACK);
//tft.setRotation(1);
tft.setCursor(80, 120);
tft.setTextSize(3);   
       //   tft.print("Temperature = ");
          tft.print(bme.readTemperature());
          tft.println(" *C");

          tft.setCursor(80, 150); 
       //   tft.print("Press = ");
          tft.print(bme.readPressure() / 100.0F);
          tft.println(" hPa");
          tft.setCursor(80, 180); 
       //   tft.print("Humidity = ");
          tft.print(bme.readHumidity());
          tft.println(" %");
          }

 
  }
  }


//-------GPS Sub Routine-----------------------------------------------
String MidDol(String str,int From,int To){
      String dummy;
      int lgth;
      lgth=str.length();
      if (To > lgth){To=lgth;};
      
      dummy=str.substring(From-1, To);
      return dummy;}
// ------------------------------------------------------                                   
String MidDoln(String str,int From,int n){
      String dummy;
      int lgth;
      lgth=str.length();
   if (From-1+n> lgth){dummy="ErrorAreaExceed!";return dummy;};
      
      dummy=str.substring(From-1, From-1+n);
      return dummy;
}

//--------------------------------------------------------
 //データの中のある文字の個数を見つける
int findkosuu(String str,String moji) {
  int i;
  int n;
  int len;
  len=str.length();
  n=0;
  for (int i=0; i <= len; i++){
     //  Serial.println(str.substring(i, i+1));
       if(str.substring(i, i+1)== moji) {n++;}; }
      return n;                          
    }
//---------------------------------------------------------
//データの中のある文字のn番目の位置を見つける
int findposition(String str,String moji,int n){
  int i;
  int pos;
  int m=0;
  int len;
  len=str.length();
  for (int i=0; i <= len; i++){
       if (str.substring(i, i+1)==moji) {m++;}; 
       if (m==n) {return i;}
       };         
   }
   
//---------------------------------------------------------
//---------UTCtoJST_Conversion---------------
String  UTC2JST (int u_year,int u_month,int u_day,int u_hh,int u_min,int u_sec)
          {
           String str;
           int j_year;
           int j_month;
           int j_day;
           int len;
           int dyear;
           int dmonth;
           int dday;
           int dhh;
         //  int day_change;
           int month_change;
           int year_change;
           int k;
            day_change=0;
            month_change=0;
            year_change=0;
            dyear=u_year;
            dmonth=u_month;
            dday=u_day;
            dhh=u_hh ;
        
    
    //hour hantei
       if (u_hh >=15) { dhh= (dhh+9)% 24; dday=dday+1;day_change=1; }; 
       if (u_hh <15) { dhh= (dhh+9); day_change=0 ;};  
       if ((day_change==1 && dday==31) && (u_month==4 || u_month==6 || u_month==9 || u_month==11))
             {dday=1;dmonth=u_month+1;month_change=1;};
       if ((day_change==1 && dday==32) && (u_month==3 ||u_month==5 || u_month==7 || u_month==8 || u_month==10 || u_month==12))
             {dday=1;dmonth=(u_month)%12+1;month_change=1;};  
       if ( month_change==1 && dmonth==1) { dyear=u_year+1;};  

       if ((day_change==1 && dday==29) && dyear%4!=0 && u_month==2 )  //not leap year
             {dday=1;dmonth=u_month+1;month_change=1;};
             
       if ((day_change==1 && dday==30) && dyear%4==0 && u_month==2 )  //leap year
             {dday=1;dmonth=u_month+1;month_change=1;};
        
        j_year=dyear; j_month=dmonth;j_day=dday;
        
        str=String(j_year);  //Serial.println(str);
        str.concat(String("/"));
                                                  
       if (j_month<10){str.concat("0");};   
       str.concat(String(j_month));  //Serial.println(str);
            
       str.concat(String("/"));
       
       if (j_day<10){str.concat("0");};   
       str.concat(String(j_day));   //Serial.println(str);
       str.concat(String("/"));
       
       if (dhh<10){str.concat("0");}; 
       str.concat(String(dhh));  //Serial.println(str);
       str.concat(String(":"));

       if (u_min<10){str.concat("0");}; 
       str.concat(String(u_min));  //Serial.println(str);
       str.concat(String(":"));

       if (u_sec<10){str.concat("0");}; 
       str.concat(String(u_sec));  //Serial.println(str);
        
        return str;
      }  
//-------------GPS Sub Routine END----------------------------------------------