/*
 * Created by ArduinoGetStarted.com
 *
 * This example code is in the public domain
 *
 * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-button-count-oled
 */

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

#define LEFT_BTN_PIN 3
#define RIGHT_BTN_PIN 4

#define SCREEN_WIDTH 128 // OLED display width,  in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define I2C_SDA 6
#define I2C_SCL 7

Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1); // create SSD1306 display object connected to I2C
ezButton button(LEFT_BTN_PIN);  // create ezButton object that attach to pin 7;
unsigned long lastCount = 0;

void setup() {
  Serial.begin(9600);
  Wire.setPins(I2C_SDA, I2C_SCL);

  // initialize OLED display with address 0x3C for 128x64
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    while (true);
  }

  delay(2000);         // wait for initializing
  oled.clearDisplay(); // clear display

  oled.setTextSize(2);          // text size
  oled.setTextColor(WHITE);     // text color
  oled.setCursor(0, 10);        // position to display
  oled.println("Hello World!");
  oled.display();
  button.setDebounceTime(50); // set debounce time to 50 milliseconds
  button.setCountMode(COUNT_FALLING);
}

void loop() {
  button.loop(); // MUST call the loop() function first

  unsigned long count = button.getCount();
  if (lastCount != count) {
    Serial.println(count); // print count to Serial Monitor
    oled.clearDisplay(); // clear display
    oled.println(count); // display count
    oled.display();      // show on OLED
    lastCount != count;
  }
}


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

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#define CURSORS_X   30
#define CURSORS_Y   10
#define I2C_SDA 6
#define I2C_SCL 7
#define BTN_LEFT 1     // button left pin
#define BTN_RIGHT 2    // button right pin

// variable for reading the pushbutton status
int buttonStateLeft = 0;         
int buttonStateRight = 0;
void setup() {
    Serial.begin(9600);
    Wire.setPins(I2C_SDA, I2C_SCL);
    delay(1000);
    pinMode(BTN_LEFT, INPUT);
    pinMode(BTN_RIGHT, INPUT);
        // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
    if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    Serial.println(F("SSD1306 allocation failed"));
    }
    display.setTextSize(2);      // Normal 1:1 pixel scale
    display.setTextColor(SSD1306_WHITE); // Draw white text
    display.setCursor(CURSORS_X, CURSORS_Y);     // Set the Start
    display.display();
    delay(2000); // Pause for 2 seconds

    // Clear the buffer
    display.clearDisplay();  
}

void loop() {
    // read the state of the pushbutton value:
    buttonStateLeft = digitalRead(BTN_LEFT);
    buttonStateRight = digitalRead(BTN_RIGHT);
    
    // check if any of the pushbuttons are pressed. If it is, the buttonState is HIGH:
    if (buttonStateLeft == HIGH || buttonStateRight == HIGH) {
        display.clearDisplay();
        display.setCursor(CURSORS_X, CURSORS_Y);
        display.print(F("SIGNAL"));
        display.setCursor(CURSORS_X+15, CURSORS_Y+30);
        display.print(F("SENT"));
        display.display();
        delay(1000);
    }
}