abstracting display, touch and sd

display/low_level_touch_ft6336u.h

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+#ifndef LOW_LEVEL_TOUCH_FT6336U_H
+#define LOW_LEVEL_TOUCH_FT6336U_H
+
+#include "low_level_touch.h"
+#include "../lib/ft6336u/ft6336u.h"
+
+// FT6336U Touch Driver Implementation
+class LowLevelTouchFT6336U : public LowLevelTouch {
+private:
+    int screen_width;
+    int screen_height;
+    bool swap_xy;
+    bool invert_x;
+    bool invert_y;
+    bool initialized;
+
+public:
+    LowLevelTouchFT6336U(int width, int height, bool swap_xy = false, 
+                         bool invert_x = false, bool invert_y = false);
+    virtual ~LowLevelTouchFT6336U();
+    
+    // Core operations
+    bool init() override;
+    bool read_touch(TouchData* data) override;
+    bool is_touched() override;
+    
+    // Touch properties
+    int get_screen_width() const override { return screen_width; }
+    int get_screen_height() const override { return screen_height; }
+    TouchType get_type() const override { return TOUCH_TYPE_FT6336U; }
+    uint8_t get_max_touch_points() const override { return 2; }
+    
+    // Device information
+    uint8_t get_chip_id() override;
+    uint8_t get_firmware_version() override;
+    
+    // Coordinate transformation
+    void set_coordinate_transform(bool swap_xy, bool invert_x, bool invert_y) override;
+    
+    // Interrupt callback
+    void set_interrupt_callback(void (*callback)(unsigned int gpio, uint32_t events)) override;
+    
+    // Test/diagnostic
+    bool test_communication() override;
+};
+
+#endif // LOW_LEVEL_TOUCH_FT6336U_H