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STEmWin not Displaying but LTDC Works

Question asked by Zach Neveu on Oct 10, 2017
Latest reply on Oct 11, 2017 by Zach Neveu

I am using an STM32F439BIT processor and developing in Keil uVision 5.  My goal is to make a touchscreen GUI for a VGA resolution touchscreen.  I have implemented STEmWin to the best of my abilities, using the LIN32 Driver (which should work with my touchscreen).  Using the hltdc.Init.Backcolor.Red/Green/Blue elements in LCD_LL_Init() I am able to set a solid color to the screen.  When I begin calling STEmWin functions (GUI_Clear(), GUI_DispStringAt(), etc.), nothing is printed to the screen.

 

Has anyone experienced this?  Anyone have insight into some common causes for this or what I may have missed?

 

Thanks!

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