#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>

// Pin configuration
#define RST_PIN   2
#define CE_PIN    15
#define DC_PIN    4
#define DIN_PIN   23
#define CLK_PIN   18
#define LED_PIN   3  

// Create an instance of the LCD
Adafruit_PCD8544 display = Adafruit_PCD8544(CE_PIN, DC_PIN, DIN_PIN, CLK_PIN, RST_PIN);

void setup() {
  Serial.begin(115200);
  Serial.println("Starting setup...");
  
  // Initialize the LCD
  Serial.println("Initializing LCD...");
  display.begin();
  Serial.println("LCD begin() done.");
  
  Serial.println("Setting contrast...");
  display.setContrast(60);  // Adjust contrast if needed
  Serial.println("Contrast set.");
  
  Serial.println("Clearing display...");
  display.clearDisplay();
  Serial.println("Display cleared.");
  
  // Turn on the backlight
  pinMode(LED_PIN, OUTPUT);
  digitalWrite(LED_PIN, HIGH);
  Serial.println("Backlight turned on.");
  
  Serial.println("LCD initialized. Displaying message.");
  display.setTextSize(1);
  display.setTextColor(BLACK);
  display.setCursor(0, 0);
  display.print("Hello, ESP32!");
  display.display();
  Serial.println("Message displayed.");
}

void loop() {
  // Add code here for further operations
}