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Dennie de Groot
Associate
February 21, 2019
Solved

STM32429I-EVAL1 TouchGFX not drawing to the framebuffer

  • February 21, 2019
  • 1 reply
  • 693 views

I created a TouchGFX project for the STM32429I-EVAL1 board in CubeMX 5.0.1. I configured all the peripherals needed and verified that the LCD and SDRAM are working correctly. After generating the code in CubeMX I also generated the code in TouchGFX.

It seems however that TouchGFX does not draw to the framebuffer address (SDRAM). The values do not change and remain static. Am I missing something to make this work?

I included the .ioc file for creating the project.

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Best answer by Dennie de Groot

Fixed it by enabling the LTDC interrupts.

1 reply

Dennie de Groot
Dennie de GrootAuthorBest answer
Associate
February 22, 2019

Fixed it by enabling the LTDC interrupts.