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#include "U8glib.h"
U8GLIB_ST7920_128X64_4X u8g(8, 10, 9);
//U8GLIB_ST7920_128X64 u8g(13, 11, 12, U8G_PIN_NONE);

#define RPM_PIN 23
#define RPM_MAX 45
#define RPM_MIN 170

#define SPEED_PIN 22
#define SPEED_MAX1 65
#define SPEED_MIN1 180
#define SPEED_MAX 1
#define SPEED_MIN 64

#define LTR_PIN 24
#define LTR_MAX 70
#define LTR_MIN 165

#define TEMP_PIN 25
#define TEMP_MAX 80
#define TEMP_MIN 165

#define ONOFF_PIN 12

#include <Servo.h>

Servo rpmServo;
Servo speedServo;
Servo ltrServo;
Servo tempServo;

void setup(){

  
  digitalWrite(ONOFF_PIN, 1);
  
  Serial.begin(57600);
  
  pinMode(ONOFF_PIN, OUTPUT);
  
   rpmServo.attach(RPM_PIN);
  speedServo.attach(SPEED_PIN, 450, 2145);
  ltrServo.attach(LTR_PIN);
  tempServo.attach(TEMP_PIN); 
  
  }
 
void loop(){ 

   u8g.firstPage();  
  do {
    draw();
     
  } while( u8g.nextPage() );

  
  if (Serial.find("U")) {
          
          int x = Serial.readBytes(bufferArray, a);
          
          if (x == 33) {  
 
        
         if (bufferArray[0]  == 'R'){
           unsigned int rpmSmTools = ((bufferArray[1]-48)*10000) + ((bufferArray[2]-48)*1000) + // Take values 1-5.
                               ((bufferArray[3]-48) *100) + ((bufferArray[4]-48)*10) + (bufferArray[5]-48);
           Rpm = rpmSmTools;
           //Serial.println("You have set the Rpm to a Value of:");     
           //Serial.println(rpmSmTools);
           }
           
         if (bufferArray[6] == 'G'){
           unsigned int gearSmTools = ((bufferArray[7]-48)*1);
           Gear = gearSmTools;
            //Serial.println("You have set the Gear to a Value of:");     
            //Serial.println(gearSmTools);
            }
        
         if (bufferArray[8]  == 'S'){
           unsigned int speedSmTools = ((bufferArray[9]-48)*100) + ((bufferArray[10]-48)*10) + (bufferArray[11]-48); // Take values 1-5.
           Speed = speedSmTools;                     
           //Serial.println("You have set the Speed to a Value of:");     
           //Serial.println(speedSmTools);
            }
            
          if (bufferArray[12]  == 'F'){
           unsigned int fuelSmTools =  ((bufferArray[13]-48)*10) + (bufferArray[14]-48); // Take values 1-5.
           Ltr = Ltrmax * fuelSmTools / 100; 
           //Serial.println("You have set the Fuel to a Value of:");     
           //Serial.println(fuelSmTools);
             }

           if (bufferArray[15] == 'T'){
           unsigned int tempSmTools = ((bufferArray[16]-48)*100) + ((bufferArray[17]-48)*10) + (bufferArray[18]-48); // Take values 1-5.
           Temp = tempSmTools;                      
           //Serial.println("You have set the Water to a Value of:");     
           //Serial.println(tempSmTools);
             }

           if (bufferArray[19]  == 'M'){
           unsigned int maxrpmSmTools = ((bufferArray[20]-48)*10000) + ((bufferArray[21]-48)*1000) + // Take values 1-5.
                               ((bufferArray[22]-48) *100) + ((bufferArray[23]-48)*10) + (bufferArray[24]-48);
           Rpmmax = maxrpmSmTools + 300;
           //Serial.println("You have set the max to a Value of:");     
           //Serial.println(maxrpmSmTools);
           }

           if (bufferArray[25]  == 'O'){
           unsigned int otempSmTools = ((bufferArray[26]-48)*100) + ((bufferArray[27]-48)*10) + (bufferArray[28]-48); // Take values 1-5.
           Otemp = otempSmTools;                     
           //Serial.println("You have set the Speed to a Value of:");     
           //Serial.println(otempSmTools);
            }

           if (bufferArray[29]  == 'P'){
           unsigned int opresSmTools = ((bufferArray[30]-48)*100) + ((bufferArray[31]-48)*10) + (bufferArray[32]-48); // Take values 1-5.
           Opres = opresSmTools;                     
           //Serial.println("You have set the Speed to a Value of:");     
           //Serial.println(opresSmTools);
            }
  }     
 } 
  
   //if (Serial.available()>40)
 Serial.flush(); 
 
  if (Speed < 140){
  speedServo.write(constrain(map(Speed, 0, Speedsto, SPEED_MIN1, SPEED_MAX1), SPEED_MAX1, SPEED_MIN1));
 }
 else {
  speedServo.write(constrain(map(Speed, Speedsto, Speedmax, SPEED_MIN, SPEED_MAX), SPEED_MAX, SPEED_MIN));
 }
 
 rpmServo.write(constrain(map(Rpm, 0, Rpmmax, RPM_MIN, RPM_MAX), RPM_MAX, RPM_MIN));
 ltrServo.write(constrain(map(Ltr, 0, Ltrmax, LTR_MAX, LTR_MIN), LTR_MAX, LTR_MIN));
 tempServo.write(constrain(map(Temp, 0, Tempmax, TEMP_MAX, TEMP_MIN), TEMP_MAX, TEMP_MIN));
 
 void draw(void) {
  
  u8g.drawFrame(0,0,128,25);
  
  char nameArray[15] = "Creator";
  char carArray[15] = "Pushka-Gonka";
  char trackArray[15] = "Trassa E95";

  // graphic commands to redraw the complete screen should be placed here  
  //u8g.setFont(u8g_font_unifont);
  //u8g.setFont(u8g_font_osb21);
  
  u8g.setFont(u8g_font_gdb12);
  u8g.drawStr( 13, 18, "Reality Club");
  
  u8g.setFont(u8g_font_profont15);
  u8g.drawStr( 0, 35, "Name:");

  u8g.setPrintPos(40, 35 );
  u8g.print(nameArray);

  u8g.setFont(u8g_font_profont15);
  u8g.drawStr( 0, 48, "Car:");

  u8g.setPrintPos(33, 48 );
  u8g.print(carArray);
  
  u8g.setFont(u8g_font_profont15);
  u8g.drawStr( 0, 60, "Track:");

  u8g.setPrintPos(45, 60 );
  u8g.print(trackArray);
  
}