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Zlian.1
Associate II
since ‎2021-05-10
‎2023-06-14

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How to realize touchgfx display in stm32l4r9 using OSPI memory mapping mode?

2021-05-27
The flash loader has been successfully made.The OSPI memory mapping mode has been verified successfully.Question: When touchgfx designer selects extflash, the screen is black, and it is normal to switch to intflash。。。。 I feel incredible，c...

Stm32l4r9 octospi mode is configured as Quad SPI and memory mapping is enabled, but it cannot be accessed by address. Once the address of 0x90000000 is read, MCU will make hardware error？？

2021-05-26
1. It is correct to read and write flash through command function when there is no memory mapping enabled（ flash:MX25R6435F ）2. After memory mapping is enabled, after accessing the address of 0x90000000, the MCU crashes and cannot recognize the chip....

The problem of touchgfx transplantation of stm32l4r9

2021-05-10
(1) The GUI displays an exception. The problem can not be determined. It is suspected that the data sent by dma2d is incorrect. At present, there is no touchgfx fill interface function???(2) Close the GUI display function, directly call the bottom dm...
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