#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);

char symbol[3] = {'!', '?', '+'};
int currentPhrase = 0;

void setup() {
  Serial.begin(115200);
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(WHITE);

  // Attach the interrupt to the button pin
  attachInterrupt(digitalPinToInterrupt(2), displaymic, CHANGE);
}

void displaymic() {
  // This function will be called when the interrupt is triggered by the button release
  delay(50);  // Add a delay of 50ms for debouncing
  currentPhrase++;
  if (currentPhrase == 3) {
    currentPhrase = 0;
  }
}

void loop() {
  display.clearDisplay();
  display.setCursor(44, 0);
  display.write(symbol[currentPhrase]);
  display.display();
}