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  • GUI_DEVICE_CreateAndLink multiple layer problem

    initenit - - emWin related

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    Hi. I'm using STM32H747 mcu and STemWin. I can init multiple layer on STemWin 5.12 which is provided with STM32Cube. But I want to upgrade to newer version so I downloaded emWin_V646_OBJ_STM32 which is provided in Segger. I changed STemWin library to these files and changed linker file to libGUI_v7em_fpv4_sp_d16_hard_OS1.a. After that pTest = GUI_DEVICE_CreateAndLink(DISPLAY_DRIVER_1, COLOR_CONVERSION_1, 0, 1); return always NULL. I already checked that GUI_NUM_LAYERS are 2. I'm not sure but whe…