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Display problem of STemWin with STM32F207IG(mouse cursor)

Question asked by kwon.shin_young on Jun 11, 2014
Latest reply on Aug 17, 2016 by Clive One

Our team is applying STM32F207IG to 800X480 Touch LCD product. To do this, we have purchased STM3220G-EVAL and succeeded in demonstration.

Now we are trying to apply STemWin to our board with SSD1963 Driver. We achieved a success of reading and writing of image data including most of functions. But we faced with a display problem of moving images such as mouse cursor, animation image, etc.

 The issue is as follow:

 - when mouse cursor moved, it leaves mark of black shape of mouse cursor(arrow shape) behind mouse moving.

 - when animation is operating like a moving dolphins, it also leaves marks of black shapes of dolphins behind them.

I took a picture of them and attached the file.

Could anyone give any advise to solve this problem?

Thanks for the coorperation in advance.