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  • GUIDRV_Lin frame buffer size

    kpoosa - - emWin related

    Post

    1. Can the GUIDRV_LIN have a frame buffer lesser than the frame size, we have FB ? 2. Can indirect access of memory is possible with GUIDRV_Lin ? Thanks, Karthik.

  • PNG draw queries

    kpoosa - - emWin related

    Post

    Hi Segger, Please clarify queries below In our setup, we have Cortex M4 running at 72 Mhz, using GUIDRV_Lin_16, LCD is -> 120x120, We are drawing a PNG using, GUI_PNG_Draw. We see that this is taking 220ms to draw(LCD Frame transfer time is 12.5ms only) Could you explain, why the draw takes this much time ? 1. What are the possible options to accelerate/optimize PNG draw operations ? 2. What is the better way enable animations. PNG file as bin or PNG as bitmap ? 3. Can the alpha color mixing be …