diff --git a/libraries/Camera/src/Camera.h b/libraries/Camera/src/Camera.h
index 528b967..1b4ce44 100644
--- a/libraries/Camera/src/Camera.h
+++ b/libraries/Camera/src/Camera.h
@@ -78,7 +78,7 @@ class Camera{
     virtual uint8_t* getRGB888(){ return nullptr; };
     virtual void setRotation(uint8_t rotation) = 0;
     virtual void setInvert(bool invert) = 0;
-    virtual void flip(bool horiz, bool vert);
+    virtual void flip(bool horiz, bool vert) = 0;
 
 
     virtual int width(){ return _width; }
diff --git a/libraries/Sipeed_GC0328/examples/sipeed_gc0328.ino b/libraries/Sipeed_GC0328/examples/sipeed_gc0328/sipeed_gc0328.ino
similarity index 100%
rename from libraries/Sipeed_GC0328/examples/sipeed_gc0328.ino
rename to libraries/Sipeed_GC0328/examples/sipeed_gc0328/sipeed_gc0328.ino
diff --git a/libraries/Sipeed_GC0328/examples/sipeed_gc0328_binocular.ino b/libraries/Sipeed_GC0328/examples/sipeed_gc0328_binocular/sipeed_gc0328_binocular.ino
similarity index 100%
rename from libraries/Sipeed_GC0328/examples/sipeed_gc0328_binocular.ino
rename to libraries/Sipeed_GC0328/examples/sipeed_gc0328_binocular/sipeed_gc0328_binocular.ino
diff --git a/libraries/Sipeed_GC0328/src/Sipeed_GC0328.cpp b/libraries/Sipeed_GC0328/src/Sipeed_GC0328.cpp
index 73a9c94..feb3afc 100644
--- a/libraries/Sipeed_GC0328/src/Sipeed_GC0328.cpp
+++ b/libraries/Sipeed_GC0328/src/Sipeed_GC0328.cpp
@@ -1202,6 +1202,11 @@ int Sipeed_GC0328::gc0328_get_rgb_gain_db(float *r_gain_db, float *g_gain_db, fl
     return ret;
 }
 
+void Sipeed_GC0328::flip(bool horiz, bool vert)
+{
+    gc0328_set_hmirror(horiz);
+    gc0328_set_vflip(vert);
+}
 int Sipeed_GC0328::gc0328_set_hmirror(int enable)
 {
     uint8_t data;
diff --git a/libraries/Sipeed_GC0328/src/Sipeed_GC0328.h b/libraries/Sipeed_GC0328/src/Sipeed_GC0328.h
index 473780f..880b88e 100644
--- a/libraries/Sipeed_GC0328/src/Sipeed_GC0328.h
+++ b/libraries/Sipeed_GC0328/src/Sipeed_GC0328.h
@@ -53,6 +53,7 @@ class Sipeed_GC0328 : public Camera{
     virtual void setInvert(bool invert);
     virtual void shutdown(bool enable);
     void setFlip(bool flip);
+    void flip(bool horiz, bool vert) override;
 
 private:
     uint8_t* _dataBuffer;    // put RGB565 data