/*********
  Rui Santos
  Complete project details at https://randomnerdtutorials.com  
*********/

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

unsigned long BlinkPreviousMillis = 0;  // will store last time LED was updated
const long BlinkInterval = 1000;        // interval at which to blink (milliseconds)

bool textVisible = true; // State variable to track text visibility

float lat = 2.9391, longt = -5.9182;

void setup() {
  Serial.begin(115200);

  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
  delay(2000);
  display.clearDisplay();

  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(5, 0);
  display.println("Project Lora Modul");
  display.setCursor(5, 12);
  display.println("Latitude  :"+String(lat,5));
  display.setCursor(5, 22);
  display.println("Longitude :"+String(longt,5));
  display.setCursor(5, 32);
  display.println("Radius :"+String(10));
  display.display(); 
}

void loop() {

  unsigned long currentMillis = millis();

  if (currentMillis - BlinkPreviousMillis >= BlinkInterval) {
    BlinkPreviousMillis = currentMillis;
    textVisible = !textVisible; // Toggle the text visibility

//  if (textVisible) {
//     display.setTextSize(1);
//     display.setTextColor(WHITE);
//     display.setCursor(5, 50);
//     display.println("GPS Signal Not Found");
//     display.display();
//   } else {
//     display.fillRect(0, 50, 128, 8, SSD1306_BLACK); 
//     display.display();
//   }
}
  
}