Arduino GPS/UTFT

//Matt aka Asmodeus
//Created for arduino mega using sainsmart 3.2" touch screen display with adafruit gps v3
//Motorcycle GPS Speedometer
//Requires Fonts \/
//1: http://www.henningkarlsen.com/electronics/dlfont.php?id=31&t=a
//2: http://www.henningkarlsen.com/electronics/dlfont.php?id=7&t=a
//Add the fonts to the UTFT FONT.c

#include <Adafruit_GPS.h>
#include <SoftwareSerial.h>
#include <UTFT.h>
#include <UTouch.h>

SoftwareSerial mySerial(13, 11);
UTFT myGLCD(ITDB32S,38,39,40,41);
UTouch myTouch( 6, 5, 4, 3, 2);

extern uint8_t LargeFont[]; //Huge Font
extern uint8_t SmallFont[]; //Small Font
extern uint8_t DingFont[]; //Icons Small
extern uint8_t SwissFont[]; //Ghosty Type Font

Adafruit_GPS GPS(&mySerial);

#define GPSECHO  true

word colorlist[] = {
  VGA_WHITE, VGA_BLACK, VGA_RED, VGA_GREEN, VGA_BLUE};
boolean usingInterrupt = false;
void useInterrupt(boolean); // Func prototype keeps Arduino 0023 happy

void select_Color(int col)
{
  myGLCD.setColor(colorlist[col]);
}

void setup()
{
  Serial.begin(115200);
  //GPS ECT
  GPS.begin(9600);
  GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
  GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ);
  GPS.sendCommand(PGCMD_ANTENNA);
  useInterrupt(true);
  delay(1000);
  mySerial.println(PMTK_Q_RELEASE);
  myGLCD.InitLCD();
  myGLCD.clrScr();
  myTouch.InitTouch();
  myTouch.setPrecision(PREC_HI);
  //Setup The Displays GUI
  myGLCD.setBackColor(VGA_TRANSPARENT);
  init_GUI();
}

String old_FIX = "x";
String old_DEG = "x";
String old_MPH = "x";
String old_SAT = "x";
String old_QUA = "x";
String old_ALT = "x";
String new_FIX = "x";
String new_DEG = "x";
String new_MPH = "x";
String new_SAT = "x";
String new_QUA = "x";
String new_ALT = "x";
String old_HOU = "x";
String new_HOU = "x";
String old_MIN = "x";
String new_MIN = "x";
String old_SEC = "x";
String new_SEC = "x";
String old_DAY = "x";
String new_DAY = "x";
String old_MON = "x";
String new_MON = "x";
String old_YEA = "x";
String new_YEA = "x";

int mode = 1;
int words = 1;
int back = 0;
void init_GUI() {
  if(mode == 0)
  {
    words = 0;
    back = 1;
    myGLCD.setColor(VGA_BLACK);
    myGLCD.fillRect(0, 0, 319, 239);
  }
  else {
    words = 1;
    back = 0;
    myGLCD.setColor(VGA_WHITE);
    myGLCD.fillRect(0, 0, 319, 239);
  }

  //W = [CLOCK] DINGFONT
  //E = [HOUR GLASS] DINGFONT
  //} = [MOTORCYCLE] DINGFONT

  select_Color(3);
  myGLCD.drawRect(10 - 5, 235, 40 - 5, 225);
  myGLCD.drawRect(45 - 5, 235, 75 - 5, 215);
  myGLCD.drawRect(80 - 5, 235, 110 - 5, 205);
  myGLCD.drawRect(115 - 5,235, 145 - 5, 195);
  myGLCD.drawRect(150 - 5,235, 180 - 5, 185);
  myGLCD.drawRect(185 - 5,235, 215 - 5, 175);
  myGLCD.drawRect(220 - 5,235, 250 - 5, 165);
  myGLCD.drawRect(255 - 5,235, 285 - 5, 155);
  myGLCD.drawRect(290 - 5,235, 319 - 5, 145);
  select_Color(4);
  myGLCD.setFont(DingFont);
  myGLCD.print("#",286,5); //Day-Night Button Switch [Might add a LDR - Light Dependent Resistor]
  myGLCD.print("}",236,38); //Motorcycle Icon
  select_Color(words);
  myGLCD.setFont(SmallFont);
  myGLCD.print("Locate Fix:",10,10);
  myGLCD.print("Satellites:",10,20);
  myGLCD.setFont(SwissFont);
  myGLCD.print("MPH",190,45);
  myGLCD.setFont(SmallFont);
  myGLCD.print("Location:",10,30);
  myGLCD.print("Altitude:",10,40);
  old_FIX = "x";
  old_DEG = "x";
  old_MPH = "x";
  old_SAT = "x";
  old_QUA = "x";
  old_ALT = "x";
  new_FIX = "x";
  new_DEG = "x";
  new_MPH = "x";
  new_SAT = "x";
  new_QUA = "x";
  new_ALT = "x";
  old_HOU = "x";
  new_HOU = "x";
  old_MIN = "x";
  new_MIN = "x";
  old_SEC = "x";
  new_SEC = "x";
  old_DAY = "x";
  new_DAY = "x";
  old_MON = "x";
  new_MON = "x";
  old_YEA = "x";
  new_YEA = "x";
}

// Interrupt is called once a millisecond, looks for any new GPS data, and stores it
SIGNAL(TIMER0_COMPA_vect) {
  char c = GPS.read();
}

void useInterrupt(boolean v) {
  if (v) {
    OCR0A = 0xAF;
    TIMSK0 |= _BV(OCIE0A);
    usingInterrupt = true;
  }
  else {
    TIMSK0 &= ~_BV(OCIE0A);
    usingInterrupt = false;
  }
}

int test_SPEED = 80;
uint32_t timer = millis();
void loop()                     // run over and over again
{
  myGLCD.setBackColor(VGA_TRANSPARENT);
  // if a sentence is received, we can check the checksum, parse it...
  if (GPS.newNMEAreceived()) {
    if (!GPS.parse(GPS.lastNMEA()))   // this also sets the newNMEAreceived() flag to false
      return;  // we can fail to parse a sentence in which case we should just wait for another
  }

  // if millis() or timer wraps around, we'll just reset it
  if (timer > millis())  timer = millis();

  if (millis() - timer > 100) {
    timer = millis(); // reset the timer

    new_HOU = String(GPS.hour);
    new_MIN = String(GPS.minute);
    new_SEC = String(GPS.seconds);
    new_DAY = String(GPS.day);
    new_MON = String(GPS.month);
    new_YEA = String(GPS.year);
    new_FIX = String((int)GPS.fix);
    new_MPH = String(int((int)GPS.speed * 1.15078));
    new_DEG = String(GPS.latitudeDegrees,4) + "," + String(GPS.longitudeDegrees,4);
    new_SAT = String((int)GPS.satellites);
    new_ALT = String(GPS.altitude);
    new_QUA = String(GPS.fixquality);

    if(new_MIN.length() == 1) {
      new_MIN = "0" + new_MIN;
    }
    if(new_HOU.length() == 1) {
      new_HOU = "0" + new_HOU;
    }

    if(old_HOU != new_HOU || old_MIN != new_MIN)
    {
      myGLCD.setFont(SmallFont);
      select_Color(back);
      myGLCD.print("Time: " + old_HOU + ":" + old_MIN ,10,100);
      select_Color(words);
      myGLCD.print("Time: " + new_HOU + ":" + new_MIN ,10,100);
      old_HOU = new_HOU;
      old_MIN = new_MIN;
      old_SEC = new_SEC;
    }

    if(old_DAY != new_DAY || old_MON != new_MON || old_YEA != new_YEA)
    {
      myGLCD.setFont(SmallFont);
      select_Color(back);
      myGLCD.print("Date: " + old_DAY + "/" + old_MON + "/" + old_YEA,10,110);
      select_Color(words);
      myGLCD.print("Date: " + new_DAY + "/" + new_MON + "/" + new_YEA,10,110);
      old_DAY = new_DAY;
      old_MON = new_MON;
      old_YEA = new_YEA;
    }

    if(new_FIX == "1") {
      new_FIX = "Yes";
    }
    else {
      new_FIX = "No";
    }

    if (GPS.fix == 1) {
      myGLCD.setFont(SmallFont);
      select_Color(back);
      myGLCD.print("WAITING FOR FIX",10,50);
      myGLCD.setFont(DingFont);
      myGLCD.print("e",130,45);


      myGLCD.setFont(SmallFont);
      if(new_FIX != old_FIX) {
        select_Color(back);
        myGLCD.print(old_FIX,100,10);
        select_Color(words);
        myGLCD.print(new_FIX,100,10);
        old_FIX = new_FIX;
      }
      myGLCD.setFont(LargeFont);
      if(new_MPH != old_MPH) {
        select_Color(back);
        myGLCD.print(old_MPH,190,60);
        select_Color(words);
        myGLCD.print(new_MPH,190,60);
        old_MPH = new_MPH;
      }
      myGLCD.setFont(SmallFont);

      if(new_SAT != old_SAT) {
        select_Color(back);
        myGLCD.print(old_SAT,100,20);
        select_Color(words);
        myGLCD.print(new_SAT,100,20);
        old_SAT = new_SAT;
      }
      if(new_ALT != old_ALT) {
        select_Color(back);
        myGLCD.print(old_ALT,85,40);
        select_Color(words);
        myGLCD.print(new_ALT,85,40);
        old_ALT = new_ALT;
      }
      if(new_DEG != old_DEG) {
        select_Color(back);
        myGLCD.print(old_DEG,85,30);
        select_Color(words);
        myGLCD.print(new_DEG,85,30);
        old_DEG = new_DEG;
      }

      //SPEED BAR DISPLAY
      int SPEED_BAR = new_MPH.toInt();
      if(SPEED_BAR >= 10)
      { select_Color(4);
        myGLCD.fillRect(10 - 5 + 2, 235 - 2, 40 - 5 - 2, 225 + 2);
      } else { select_Color(back); myGLCD.fillRect(10 - 5 + 2, 235 - 2, 40 - 5 - 2, 225 + 2);}

      if(SPEED_BAR >= 20)
      { select_Color(4);
        myGLCD.fillRect(45 - 5 + 2, 235 - 2, 75 - 5 - 2, 215 + 2);
      } else { select_Color(back); myGLCD.fillRect(45 - 5 + 2, 235 - 2, 75 - 5 - 2, 215 + 2);}

      if(SPEED_BAR >= 30 )
      { select_Color(4);
        myGLCD.fillRect(80 - 5 + 2, 235 - 2, 110 - 5 - 2, 205 + 2);
      } else { select_Color(back); myGLCD.fillRect(80 - 5 + 2, 235 - 2, 110 - 5 - 2, 205 + 2);}

      if(SPEED_BAR >= 40)
      { select_Color(4);
        myGLCD.fillRect(115 - 5 + 2,235 - 2, 145 - 5 - 2, 195 + 2);
      } else { select_Color(back); myGLCD.fillRect(115 - 5 + 2,235 - 2, 145 - 5 - 2, 195 + 2);}

      if(SPEED_BAR >= 50)
      { select_Color(4);
        myGLCD.fillRect(150 - 5 + 2,235 - 2, 180 - 5 - 2, 185 + 2);
      } else { select_Color(back); myGLCD.fillRect(150 - 5 + 2,235 - 2, 180 - 5 - 2, 185 + 2);}

      if(SPEED_BAR >= 60)
      { select_Color(4);
        myGLCD.fillRect(185 - 5 + 2,235 - 2, 215 - 5 - 2, 175 + 2);
      } else { select_Color(back); myGLCD.fillRect(185 - 5 + 2,235 - 2, 215 - 5 - 2, 175 + 2);}

      if(SPEED_BAR >= 70)
      { select_Color(4);
        myGLCD.fillRect(220 - 5 + 2,235 - 2, 250 - 5 - 2, 165 + 2);
      } else { select_Color(back); myGLCD.fillRect(220 - 5 + 2,235 - 2, 250 - 5 - 2, 165 + 2);}

      if(SPEED_BAR >= 80)
      { select_Color(4);
        myGLCD.fillRect(255 - 5 + 2,235 - 2, 285 - 5 - 2, 155 + 2);
      } else { select_Color(back); myGLCD.fillRect(255 - 5 + 2,235 - 2, 285 - 5 - 2, 155 + 2);}

      if(SPEED_BAR >= 90)
      { select_Color(4);
        myGLCD.fillRect(290 - 5 + 2,235 - 2, 319 - 5 - 2, 145 + 2);
      } else { select_Color(back); myGLCD.fillRect(290 - 5 + 2,235 - 2, 319 - 5 - 2, 145 + 2);}

    }
    else {
      myGLCD.setFont(SmallFont);
      select_Color(2);
      myGLCD.print("WAITING FOR FIX",10,50);
      myGLCD.setFont(DingFont);
      myGLCD.print("e",130,45);
      myGLCD.setFont(SmallFont);
      if(new_FIX != old_FIX) {
        select_Color(back);
        myGLCD.print(old_FIX,100,10);
        select_Color(words);
        myGLCD.print(new_FIX,100,10);
        old_FIX = new_FIX;
      }
      if(new_SAT != old_SAT) {
        select_Color(back);
        myGLCD.print(old_SAT,100,20);
        select_Color(words);
        myGLCD.print(new_SAT,100,20);
        old_SAT = new_SAT;
      }
    }
    myGLCD.setBackColor(VGA_TRANSPARENT);
  }

  //DISPLAY TOUCH ECT
  long x, y;

  while (myTouch.dataAvailable() == true)
  {
    myTouch.read();
    x = myTouch.getX();
    y = myTouch.getY();

    //Day,Night Button
    if(x >= 300 && x <= myGLCD.getDisplayXSize() && y >= 0 && y <= 25)
    {
      if(mode == 0) {
        mode = 1;
      }
      else {
        mode = 0;
      }
      init_GUI();
    }
    test_SPEED -= 3;
    //vector on touch
    //select_Color(3);
    //myGLCD.fillRect(136,30,218,43);
    //select_Color(4);
    //myGLCD.print("X:" + String(myTouch.getX()),137,31);
    //myGLCD.print("Y:" + String(myTouch.getY()),178,31);
  }
}