#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <avr/pgmspace.h>

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 32

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

int x, minX;

const char studentID[] PROGMEM = "103666887";
const char name[] PROGMEM = "Joshua Lillington";
const char unitCode[] PROGMEM = "ENG20009";
const char unitName[] PROGMEM = "Engineering Technology Inquiry Project";
const char semester[] PROGMEM = "Semester 1";
const char year[] PROGMEM = "2023";

const char *const allData[] PROGMEM = {studentID, name, unitCode, unitName, semester, year};
char buffer[50];

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  while (!Serial);

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.display();
  delay(2000);
  display.clearDisplay();
}

void loop() {
  // put your main code here, to run repeatedly:
  display.clearDisplay();
  display.setTextColor(SSD1306_WHITE);
  display.setTextSize(0.5);
  display.setCursor(0,0);

  for (int i = 0; i < 6; i++) 
  {
    strcpy_P(buffer, (char *)pgm_read_word(&(allData[i])));  // Necessary casts and dereferencing, just copy.
    display.println(buffer);
    Serial.println(buffer);
    delay(500);
  }

  display.display();
  delay(2000);
  display.clearDisplay();
}