إصنع مقياس لسرعتك وللمسافة بإستعمال الأردوينو - how to make a gps distance calculator by arduino 

//GPScode finale #include #include #include #include #include #define SCREEN_WIDTH 128 // OLED display width, in pixels #define SCREEN_HEIGHT 32 // OLED display height, in pixels #define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin) #define SCREEN_ADDRESS 0x3C Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); //GPS Module RX pin to Arduino 9 //GPS Module TX pin to Arduino 12 SoftwareSerial neogps(12,13); TinyGPSPlus gps; int buttonPin=14; int vib=16; int dismax=0; int secon=0; int mine=0; int heur=0; float initialLatitude = 0; int interval=3000; float initialLongitude = 0; unsigned long previousMillis2=0; // define distance variables int totalDistance = 0, distance = 0; float latitude, longitude; // define timer variables unsigned long prevMillis = 0, currMillis; void getGps(float& latitude, float& longitude); void setup() { display.begin(SSD1306_SWITCHCAPVCC, 0x3C); display.display(); delay(2000); display.clearDisplay(); display.setTextSize(2); display.setTextColor(WHITE); display.setCursor(20, 0); display.println("pro"); display.setCursor(0, 15); display.println("creativity"); display.display(); delay(2000); display.clearDisplay(); // تأثيرات الإضاءة display.setTextSize(2); display.setTextColor(WHITE); display.setCursor(20, 0); display.println("pro"); display.setCursor(0, 15); display.println("creativity"); display.display(); delay(2000); for(int i=0; i= interval) { prevMillis = currMillis; // reset timer // check if GPS has new data if ( neogps.available()) { getGps(latitude, longitude); distance = getDistance(latitude, longitude, initialLatitude, initialLongitude); if (initialLatitude != 0.0 && initialLongitude != 0.0) { { totalDistance += distance; display.clearDisplay(); display.drawLine(SCREEN_WIDTH/2, 0, SCREEN_WIDTH/2, SCREEN_HEIGHT-1, WHITE); display.drawLine(0, SCREEN_HEIGHT/2, SCREEN_WIDTH-1, SCREEN_HEIGHT/2, WHITE); display.setCursor(5,0); display.setTextSize(2); display.print(totalDistance); display.setCursor(40,0); display.print("m"); // display.setCursor(30,15); // if (secon > 60) { // secon = 0; // mine++; // } // display.setCursor(10,15); //// display.print(mine); //display.print(":"); display.setCursor(7,15); display.print( millis()/ 1000); int vitesse =(distance/interval)*3.6; // int vitesse =(distance/interval); display.setCursor(75,15); display.print(vitesse); // display.setCursor(90,15); // display.print("km/h"); display.setCursor(65,0); display.print(dismax); display.setCursor(105,0); display.print("m"); display.display(); } } initialLatitude = latitude; initialLongitude = longitude; } if(totalDistance>dismax){ digitalWrite(vib,HIGH); } else{ digitalWrite(vib,LOW); }} } // insert any other program logic here float getDistance(float flat1, float flon1, float flat2, float flon2) { // Variables float dist_calc=0; float dist_calc2=0; float diflat=0; float diflon=0; // Calculations diflat = radians(flat2-flat1); flat1 = radians(flat1); flat2 = radians(flat2); diflon = radians((flon2)-(flon1)); dist_calc = (sin(diflat/2.0)*sin(diflat/2.0)); dist_calc2 = cos(flat1); dist_calc2*=cos(flat2); dist_calc2*=sin(diflon/2.0); dist_calc2*=sin(diflon/2.0); dist_calc +=dist_calc2; dist_calc=(2*atan2(sqrt(dist_calc),sqrt(1.0-dist_calc))); dist_calc*=6371000.0; //Converting to meters return dist_calc; } void getGps(float& latitude, float& longitude){ // Can take up to 60 seconds boolean newData = false; for (unsigned long start = millis(); millis() - start < 2000;){ while (neogps.available()){ if (gps.encode(neogps.read())){ newData = true; break; } } } if (newData) //If newData is true { latitude = gps.location.lat(); longitude = gps.location.lng(); newData = false; } else { latitude = 0; longitude = 0; } }

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