abstracting display, touch and sd

display/low_level_display_st7796.h

@@ -0,0 +1,38 @@
+#ifndef LOW_LEVEL_DISPLAY_ST7796_H
+#define LOW_LEVEL_DISPLAY_ST7796_H
+
+#include "low_level_display.h"
+#include "st7796.h"
+
+class LowLevelDisplayST7796 : public LowLevelDisplay {
+private:
+    const st7796_config* config;
+    int width;
+    int height;
+    bool initialized;
+    
+public:
+    LowLevelDisplayST7796(const st7796_config* cfg, int w, int h);
+    ~LowLevelDisplayST7796() override;
+    
+    // Core display operations - converts 1-bit to RGB565 internally
+    bool init() override;
+    void clear(bool white = true) override;
+    void draw_pixel(int x, int y, bool white) override;
+    void draw_buffer(const uint8_t* bit_buffer) override;
+    void refresh() override;
+    
+    // Display properties
+    int get_width() const override { return width; }
+    int get_height() const override { return height; }
+    DisplayType get_type() const override { return DISPLAY_TYPE_ST7796; }
+    bool is_color() const override { return true; }
+    
+    // Backlight control
+    void set_backlight(bool on) override;
+    
+    // Orientation control
+    void set_rotation(uint8_t rotation) override;
+};
+
+#endif // LOW_LEVEL_DISPLAY_ST7796_H