**Display Hello** rev_08

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    - Project: **Display Hello**
    - Source Code NOT compiled for: ESP32 DevKit V1
    - Source Code created on: 2025-02-15 17:50:22

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* Display "Hello, World!" on the SSD1306 OLED using */
    /* I2C communication with SDA on pin D21 and SCL on */
    /* pin D22, ensuring proper initialization of the */
    /* Adafruit SSD1306 library. */
/****** END SYSTEM REQUIREMENTS *****/

/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <Wire.h>
#include <Adafruit_SSD1306.h>   //https://github.com/stblassitude/Adafruit_SSD1306_Wemos_OLED.git
#include <U8g2_for_Adafruit_GFX.h>  //https://github.com/olikraus/U8g2_for_Adafruit_GFX

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF I2C PINS *****/
const uint8_t display_SSD1306OledDisplay_I2C_PIN_SDA_D21        = 21;
const uint8_t display_SSD1306OledDisplay_I2C_PIN_SCL_D22        = 22;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
// Create an instance of the Adafruit_SSD1306 class
Adafruit_SSD1306 display(128, 32, &Wire); // Initialize with width, height, and Wire instance

void setup(void)
{
    // Initialize the display
    if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Check if the display is connected
        for(;;); // Don't proceed, loop forever
    }

    display.clearDisplay(); // Clear the buffer
    display.setTextSize(1); // Set text size
    display.setTextColor(SSD1306_WHITE); // Set text color
    display.setCursor(0, 0); // Set cursor position
    display.print("Hello, World!"); // Print text
    display.display(); // Display the buffer on the screen
}

void loop(void)
{
    // put your main code here, to run repeatedly:
}

/* END CODE */