// Mise en oeuvre d'un écran TFT 

#include <analogWrite.h>

////////////// TFT SCREEN //////////
#include <SPI.h>
#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)
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
/////////////////////////////

void setup() {
  Serial.begin(115200);  
  //analogWriteResolution(LED_BUILTIN, 12);
  //pinMode(23, INPUT);
  //pinMode(35, INPUT);
  //pinMode(34, INPUT);
  ///////////// TFT DISPLAY /////////////
  // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;); // Don't proceed, loop forever
  }
  // Show initial display buffer contents on the screen --
  // the library initializes this with an Adafruit splash screen.
  display.display();
  delay(1000); // Pause for 1 second
  // Clear the buffer
  display.clearDisplay();
  ////////////////////////////////
}

void loop() {
  // Serial.println("testing");

  //sensorValue = analogRead(23);
  //Serial.println(sensorValue);
  // sensorValue = analogRead(34);
  //Serial.println(sensorValue);
  // sensorValue = analogRead(35);
  //Serial.println(sensorValue);

  //sensorValue = map(sensorValue,0,4095,0,255);
  //analogWrite(LED_BUILTIN, sensorValue);
  
  // Display values on the screen
  display.clearDisplay();
  display.setTextSize(1);             // Normal 1:1 pixel scale
  display.setTextColor(WHITE);        // Draw white text
  display.setCursor(5, 0);
  display.print(F("bonjour"));// Start at top-left corner
  display.setCursor(5, 16);
  display.setTextSize(2);             // Draw 2X-scale text
  display.setTextColor(WHITE);
  // display.invertDisplay(true);
  display.println(F("Ecran"));
  display.setCursor(5, 40);
  display.println("TFT");
  display.display();

  delay(50);

  } //  Fin del loop