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STemWin update from 5.32 to 5.40 cuts off screen

Question asked by Todor Todorov on Jan 31, 2018

Hello everyone,


I have a weird problem after upgrading to the latest ST board support package for STM32F4 - 1.19.0.  My screens get blacked out/cut off by two thirds (see attached pictures)Screen linked to STemWin 5.32

The screenshot above was taken when linking to STemWin 5.32

Linking with 5.40

This is how it looks when using STemWin 5.40.

Within my project I replaced the library code under Middlewares/ST/STemWin and linked to the new object file STemWin540_CM4_OS_GCC_ot.a.  My own DMA2D, LTDC, ili9341.c, GUIConf.c and LCDConf.c did not change.


Any idea what might be going on?