From fb7fbfe6c438a240657472c93828d626faa6ac64 Mon Sep 17 00:00:00 2001
From: Zvonimir Rudinski <zvonki12@gmail.com>
Date: Fri, 24 Apr 2026 15:46:48 +0200
Subject: [PATCH] feat(display): add display class

---
 include/display.hpp | 15 +++++++++++++++
 src/display.cpp     | 17 +++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 include/display.hpp
 create mode 100644 src/display.cpp

diff --git a/include/display.hpp b/include/display.hpp
new file mode 100644
index 0000000..ba3680f
--- /dev/null
+++ b/include/display.hpp
@@ -0,0 +1,15 @@
+#pragma once
+#include <Arduino.h>
+#include <U8g2lib.h>
+
+/*
+ * A helper class to facilitate drawing on the SSD1306 OLED display using the U8g2 library.
+ */
+class Display {
+  public:
+    Display();
+
+    bool begin();
+  private:
+    U8G2_SSD1306_128X64_NONAME_F_HW_I2C oled;
+};
diff --git a/src/display.cpp b/src/display.cpp
new file mode 100644
index 0000000..338ba33
--- /dev/null
+++ b/src/display.cpp
@@ -0,0 +1,17 @@
+#include "display.hpp"
+
+// Initialize the OLED display with the appropriate settings for the SSD1306 128x64 display utilizing hardware I2C.
+// The constructor initializes the U8g2 library with the correct parameters for the display and communication method.
+Display::Display() : oled(U8G2_R0, U8X8_PIN_NONE) {}
+
+// Try to initialize the OLED display. If initialization fails, print an error message to the serial console and return false.
+// Otherwise, set the default font and return true.
+bool Display::begin() {
+  if (!oled.begin()) {
+    Serial.println("Failed to initialize OLED display");
+    return false;
+  }
+
+  oled.setFont(u8g2_font_profont22_mn);
+  return true;
+}