#include <GxEPD.h>
#include <GxGDEH029A1/GxGDEH029A1.h> // Driver for 2.9-inch e-paper display
#include <Adafruit_GFX.h>            // Graphics library

// Pin definitions
#define CS_PIN 10
#define DC_PIN 9
#define RST_PIN 8
#define BUSY_PIN 7

// Initialize the e-paper display
GxIO_Class io(SPI, CS_PIN, DC_PIN, RST_PIN);
GxEPD_Class display(io, RST_PIN, BUSY_PIN);

void setup() {
  // Initialize Serial Monitor
  Serial.begin(115200);
  Serial.println("E-Paper Display with Arduino Uno");

  // Initialize the e-paper display
  display.init();

  // Clear the display
  display.fillScreen(GxEPD_WHITE);
  display.update();

  // Display text
  display.setTextColor(GxEPD_BLACK);
  display.setCursor(10, 30); // Set cursor position
  display.setTextSize(2);    // Set text size
  display.print("Hello, E-Paper!");

  // Update the display to show the content
  display.update();
}

void loop() {
  // Leave empty for static display
}