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

// Define pin connections for ESP32-C3
#define DIN 7    // Data input (MOSI)
#define CLK 6    // Clock signal
#define DC 5     // Data/Command pin
#define CS 4     // Chip Enable (Chip Select equivalent)
#define RST 3    // Reset pin
#define BL 8     // Backlight pin (optional)

Adafruit_PCD8544 display(DIN, CLK, DC, CS, RST);

void setup() {
  Serial.begin(115200);

  // Initialize the display
  display.begin();
  display.setContrast(50);  // Adjust contrast to fit your display need

  // Clear the display
  display.clearDisplay();

  // Test message
  display.setCursor(0, 0);
  display.print("ESP32-C3 Test!");
  display.display();

  // Configure and turn on the backlight
  pinMode(BL, OUTPUT);
  digitalWrite(BL, HIGH);
}

void loop() {
  // Empty loop for static display test
}