feat(firmware): ssd1306 initial

hardware/firmware/src/main.cpp

@@ -1,4 +1,5 @@
 #include <Arduino.h>
+#include <Wire.h>
 #include <WiFiManager.h>
 #include <Preferences.h>
 #include <string.h>
@@ -7,6 +8,7 @@
 #include <MicroOcppMongooseClient.h>
 #include <MicroOcpp/Core/Context.h>
 
+#include <Adafruit_SSD1306.h>
 #include <SmartLeds.h>
 #include <MFRC522.h>
 
@@ -49,6 +51,8 @@ void saveConfigCallback()
 
 struct mg_mgr mgr;
 
+Adafruit_SSD1306 display(128, 64, &Wire, -1);
+
 /**
  * WS2812B LED Pin
  * - GPIO 17 - RYMCU ESP32-DevKitC
@@ -174,6 +178,9 @@ void setup()
   leds[0] = Rgb{255, 255, 0};
   leds.show();
 
+  // Initialize IIC OLED
+  Wire.begin(4, 15);
+
   // Load configuration from Preferences
   Preferences preferences;
   preferences.begin("ocpp-config", false);