Initial commit

example/main.cpp

@@ -0,0 +1,79 @@
+#include <Arduino.h>
+#include <Wire.h>
+#include <U8g2lib.h>
+#include "MenuSystem.h"
+#include "Graphics.h" 
+
+U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, U8X8_PIN_NONE);
+MenuSystem menu(&u8g2);
+
+bool buttonDown = false;
+bool buttonRight = false;
+bool buttonUp = false;
+
+// Actions for menu items
+void action3DCube() {
+  Serial.println("3D Cube selected!");
+}
+
+void actionBattery() {
+  Serial.println("Battery selected!");
+}
+
+void actionDashboard() {
+  Serial.println("Dashboard selected!");
+}
+
+void actionFireworks() {
+  Serial.println("Fireworks selected!");
+}
+
+void setup() {
+  // Initialize serial communication
+  Serial.begin(9600);
+  
+  Wire.begin(); // Initialize I2C bus
+  Wire.setClock(400000); // Set to 400kHz (standard speed for most displays)
+  
+  // Clear and initialize the display
+  u8g2.begin();
+  u8g2.clearBuffer();
+  u8g2.sendBuffer();
+    
+  // Initialize the menu
+  menu.begin();
+  
+  // Add menu items 
+  menu.addMenuItem("3D Cube", bitmap_icons[0]);
+  menu.addMenuItem("Battery", bitmap_icons[1]);
+  menu.addMenuItem("Dashboard", bitmap_icons[2]);
+  menu.addMenuItem("Fireworks", bitmap_icons[3]);
+  menu.addMenuItem("WEEEEE", bitmap_icons[4]);
+
+  // Add action callbacks for menu items
+  menu.setItemCallback(0, action3DCube);
+  menu.setItemCallback(1, actionBattery);
+  menu.setItemCallback(2, actionDashboard);
+  menu.setItemCallback(3, actionFireworks);
+  
+  // Clear the display once more
+  u8g2.clearBuffer();
+  u8g2.sendBuffer();
+  }
+
+void loop() {
+
+  //Set according to your button setup or use the booleans in another configuration
+  buttonUp = digitalRead(D0);
+  buttonUp = digitalRead(D1);
+  buttonUp = digitalRead(D2);
+
+  // Update menu button states
+  menu.setButtons(buttonDown, buttonRight, buttonUp);
+  
+  // Update and draw the menu
+  menu.update();
+  
+}
+
+

src/MenuGraphics.h

@@ -0,0 +1,33 @@
+    // 'scrollbar_background', 8x64px
+    const unsigned char bitmap_scrollbar_background [] PROGMEM = {
+        0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 
+        0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 
+        0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 
+        0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x00
+      };
+      
+      // 'item_sel_outline', 128x21px
+      const unsigned char bitmap_item_sel_outline [] PROGMEM = {
+        0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 
+        0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 
+        0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 
+        0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0
+      };
+      

src/MenuSystem.cpp

@@ -0,0 +1,152 @@
+#include "MenuSystem.h"
+#include "MenuGraphics.h"
+
+MenuSystem::MenuSystem(U8G2_SSD1306_128X64_NONAME_F_HW_I2C* display) {
+  _display = display;
+  _itemCount = 0;
+  _selectedItem = 0;
+  _screen = 0;
+  
+  _btnUp = false;
+  _btnSelect = false;
+  _btnDown = false;
+  _prevBtnUp = false;
+  _prevBtnSelect = false;
+  _prevBtnDown = false;
+  
+  // Initialize arrays
+  for (int i = 0; i < MAX_ITEMS; i++) {
+    _itemNames[i][0] = '\0';
+    _itemIcons[i] = nullptr;
+    _itemScreens[i] = nullptr;
+    _itemCallbacks[i] = nullptr;
+  }
+}
+
+void MenuSystem::begin() {
+  // Ensure display is properly initialized
+  _display->begin();
+  _display->clearBuffer();
+  _display->sendBuffer();
+  delay(100); // Short delay to ensure display is ready
+}
+
+void MenuSystem::addMenuItem(const char* name, const uint8_t* icon) {
+  if (_itemCount < MAX_ITEMS) {
+    strncpy(_itemNames[_itemCount], name, MAX_NAME_LEN-1);
+    _itemNames[_itemCount][MAX_NAME_LEN-1] = '\0'; // Ensure null termination
+    _itemIcons[_itemCount] = icon;
+    _itemCount++;
+  }
+}
+
+void MenuSystem::setItemCallback(int index, void (*callback)()) {
+  if (index >= 0 && index < _itemCount) {
+    _itemCallbacks[index] = callback;
+  }
+}
+
+void MenuSystem::setButtons(bool up, bool select, bool down) {
+  // Save previous button states
+  _prevBtnUp = _btnUp;
+  _prevBtnSelect = _btnSelect;
+  _prevBtnDown = _btnDown;
+  
+  // Set new button states
+  _btnUp = up;
+  _btnSelect = select;
+  _btnDown = down;
+}
+
+void MenuSystem::update() {
+  // Process button inputs before drawing
+  handleButtons();
+  
+  // Simple drawing approach (not using page buffer mode)
+  _display->clearBuffer();
+  
+  if (_screen == 0) {
+    // Draw the main menu screen
+    drawMenu();
+  } else if (_screen == 1 && _itemScreens[_selectedItem] != nullptr) {
+    // Draw the full-screen bitmap for the selected item
+    _display->drawXBM(0, 0, 128, 64, _itemScreens[_selectedItem]);
+  }
+  
+  _display->sendBuffer();
+}
+
+void MenuSystem::drawMenu() {
+  if (_itemCount == 0) return; // Nothing to draw
+  
+  // Calculate which items to show (previous, current, next)
+  int prevItem = (_selectedItem > 0) ? _selectedItem - 1 : _itemCount - 1;
+  int nextItem = (_selectedItem < _itemCount - 1) ? _selectedItem + 1 : 0;
+  
+  // Draw the background with the item selector outline (if enabled)
+  // _display->drawXBM(0, 0, 128, 64, bitmap_item_sel_outline);
+  
+  // Instead, draw a simple selection highlight
+  _display->drawFrame(0, 20, 128, 24); // Highlight the middle selection
+  
+  // Draw previous item (top position)
+  _display->setFont(u8g2_font_6x10_tf);  // Use a different, simpler font
+  _display->drawStr(25, 15, _itemNames[prevItem]);
+  if (_itemIcons[prevItem] != nullptr) {
+    _display->drawXBM(4, 2, 16, 16, _itemIcons[prevItem]);
+  }
+  
+  // Draw selected item (middle position)
+  _display->setFont(u8g2_font_6x10_tf);  // Use same font for consistency
+  _display->drawStr(25, 35, _itemNames[_selectedItem]);
+  if (_itemIcons[_selectedItem] != nullptr) {
+    _display->drawXBM(4, 24, 16, 16, _itemIcons[_selectedItem]);
+  }
+  
+  // Draw next item (bottom position)
+  _display->setFont(u8g2_font_6x10_tf);  // Use same font for consistency
+  _display->drawStr(25, 55, _itemNames[nextItem]);
+  if (_itemIcons[nextItem] != nullptr) {
+    _display->drawXBM(4, 46, 16, 16, _itemIcons[nextItem]);
+  }
+  
+  // Draw a simple scrollbar instead of using bitmap
+  if (_itemCount > 1) {
+    _display->drawVLine(125, 0, 64); // Scrollbar background
+    int barHeight = 64 / _itemCount;
+    int barY = (_selectedItem * 64) / _itemCount;
+    _display->drawBox(123, barY, 4, barHeight); // Scrollbar handle
+  }
+}
+
+void MenuSystem::handleButtons() {
+  // Only respond to button press events (not holds)
+  // Button rising edge detection for up
+  if (_btnUp && !_prevBtnUp) {
+    _selectedItem = (_selectedItem > 0) ? _selectedItem - 1 : _itemCount - 1;
+    Serial.print("Selected item: ");
+    Serial.println(_selectedItem);
+  }
+  
+  // Button rising edge detection for down
+  if (_btnDown && !_prevBtnDown) {
+    _selectedItem = (_selectedItem < _itemCount - 1) ? _selectedItem + 1 : 0;
+    Serial.print("Selected item: ");
+    Serial.println(_selectedItem);
+  }
+  
+  // Button rising edge detection for select
+  if (_btnSelect && !_prevBtnSelect) {
+    // Execute callback if it exists
+    if (_itemCallbacks[_selectedItem] != nullptr) {
+      _itemCallbacks[_selectedItem]();
+    }
+    
+    // Toggle between menu and item screen if screen exists
+    if (_itemScreens[_selectedItem] != nullptr) {
+      _screen = (_screen == 0) ? 1 : 0;
+      Serial.print("Screen changed to: ");
+      Serial.println(_screen);
+    }
+  }
+}

src/MenuSystem.h

@@ -0,0 +1,58 @@
+#ifndef MENU_SYSTEM_H
+#define MENU_SYSTEM_H
+
+#include <Arduino.h>
+#include <U8g2lib.h>
+
+class MenuSystem {
+public:
+  // Constructor
+  MenuSystem(U8G2_SSD1306_128X64_NONAME_F_HW_I2C* display);
+  
+  // Initialize menu
+  void begin();
+  
+  // Add menu item with icon
+  void addMenuItem(const char* name, const uint8_t* icon);
+  
+  // Set callback function for item
+  void setItemCallback(int index, void (*callback)());
+  
+  // Set button states
+  void setButtons(bool up, bool select, bool down);
+  
+  // Update and draw menu
+  void update();
+  
+private:
+  U8G2_SSD1306_128X64_NONAME_F_HW_I2C* _display;
+  
+  // Menu items
+  static const int MAX_ITEMS = 10;
+  static const int MAX_NAME_LEN = 20;
+  char _itemNames[MAX_ITEMS][MAX_NAME_LEN];
+  const uint8_t* _itemIcons[MAX_ITEMS];
+  const uint8_t* _itemScreens[MAX_ITEMS];
+  void (*_itemCallbacks[MAX_ITEMS])();
+  
+  // Menu state
+  int _itemCount;
+  int _selectedItem;
+  int _screen; // 0 = menu, 1 = item screen
+  
+  // Button handling
+  bool _btnUp;
+  bool _btnSelect;
+  bool _btnDown;
+  bool _prevBtnUp;
+  bool _prevBtnSelect;
+  bool _prevBtnDown;
+  
+  // Draw the menu
+  void drawMenu();
+  
+  // Update button states
+  void handleButtons();
+};
+
+#endif