/*
 * Created by ArduinoGetStarted.com
 *
 * This example code is in the public domain
 *
 * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-oled
 */

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
int value; //save analog value

#define SCREEN_WIDTH 128 // OLED display width,  in pixels
#define SCREEN_HEIGHT 32 // OLED display height, in pixels

// declare an SSD1306 display object connected to I2C
Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

void setup() {
  Serial.begin(9600);

  // initialize OLED display with address 0x3C for 128x64
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    while (true);
  }

  delay(2000);         // wait for initializing
  oled.clearDisplay(); // clear display

  oled.setTextSize(2);          // text size
  oled.setTextColor(WHITE);     // text color
  oled.setCursor(0, 10);        // position to display
  oled.println("Hello World!"); // text to display
  oled.display();               // show on OLED
}

void loop() { // draw rectangle
 Serial.println(value);
 value = analogRead(A0);          //Read and save analog value from potentiometer
  value = map(value, 0, 1023, 0, 460);
  if(value>=350 && value<400){
  oled.clearDisplay();
  oled.drawRect(30, 5, 60, 25, WHITE);//droit-gauche,haut-bas,largeur,hauteur
   oled.drawRect(20, 12, 10, 10, WHITE);
  oled.drawRect(85, 5, 1, 25, WHITE); 
  oled.drawRect(80, 5, 1, 25, WHITE);
   oled.drawRect(75, 5, 1, 25, WHITE);
    oled.drawRect(70, 5, 1, 25, WHITE);
     oled.drawRect(65, 5, 1, 25, WHITE); 
     oled.drawRect(60, 5, 1, 25, WHITE);
         oled.drawRect(55, 5, 1, 25, WHITE);
    oled.drawRect(50, 5, 1, 25, WHITE);
  oled.display();
  delay(2000);
}
  if(value>=400){
  oled.clearDisplay();
  oled.drawRect(30, 5, 60, 25, WHITE);//droit-gauche,haut-bas,largeur,hauteur
   oled.drawRect(20, 12, 10, 10, WHITE);
  oled.drawRect(85, 5, 1, 25, WHITE); 
  oled.drawRect(80, 5, 1, 25, WHITE);
   oled.drawRect(75, 5, 1, 25, WHITE);
   oled.drawRect(70, 5, 1, 25, WHITE);
     oled.drawRect(65, 5, 1, 25, WHITE); 
     oled.drawRect(60, 5, 1, 25, WHITE);
      oled.drawRect(55, 5, 1, 25, WHITE);
    oled.drawRect(50, 5, 1, 25, WHITE);
     oled.drawRect(45, 5, 1, 25, WHITE); 
     oled.drawRect(40, 5, 1, 25, WHITE);
     oled.drawRect(35, 5, 1, 25, WHITE);
   
  oled.display();
  delay(2000);
}
  if(value<350 && value>300){
  oled.clearDisplay();
  oled.drawRect(30, 5, 60, 25, WHITE);//droit-gauche,haut-bas,largeur,hauteur
   oled.drawRect(20, 12, 10, 10, WHITE);
  oled.drawRect(85, 5, 1, 25, WHITE); 
  oled.drawRect(80, 5, 1, 25, WHITE);
   oled.drawRect(75, 5, 1, 25, WHITE);
   oled.drawRect(70, 5, 1, 25, WHITE);
     oled.drawRect(65, 5, 1, 25, WHITE); 
    
  oled.display();
  delay(2000);
}
 if(value>250 && value <=300){
  oled.clearDisplay();
  oled.drawRect(30, 5, 60, 25, WHITE);//droit-gauche,haut-bas,largeur,hauteur
   oled.drawRect(20, 12, 10, 10, WHITE);
  oled.drawRect(85, 5, 1, 25, WHITE); 
  oled.drawRect(80, 5, 1, 25, WHITE);
 
  oled.display();
  delay(2000);
}
if(value<250){
  oled.clearDisplay();
  oled.drawRect(30, 5, 60, 25, WHITE);//droit-gauche,haut-bas,largeur,hauteur
   oled.drawRect(20, 12, 10, 10, WHITE);
oled.setTextSize(1);          // text size
  oled.setTextColor(WHITE);     // text color
  oled.setCursor(34, 12);        // position to display
  oled.println("RECHARGE");
 
  oled.display();
  
  delay(500);
  oled.clearDisplay();
   oled.display();
    delay(500);
}
}