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How TouchGFX access the non memory map area?

Senior II

Hi there,

I have a GUI demo of TouchGFX on my STM32F429BI board, and it works well when the image is stored in the inner flash.

But when I stored the image external Nand-flash by FMC, it could NOT work.

It's said that the Nand-flash extended by FMC can't be accessed by memory map mode so that I can get the image data by the API HAL_NAND_Read_Page_8b(), yes?

But how to modify the TouchGFX to get the image data by HAL_NAND_Read_Page_8b()?

Thank you!