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mr.1
Associate II
November 28, 2022
Question

i have custom stm32h743ii controller for LTDC 24 bit interface with st7272a display. i would like to know HAL API to be used for init and communication with RGB interface. My board does not have the external SDRAM to load the images. Please guide me

  • November 28, 2022
  • 2 replies
  • 1760 views

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2 replies

Tesla DeLorean
Guru
November 28, 2022

You'd setup the LTDC with the appropriate timing to feed the frame data over the RGB bus.​

Look at some of the EVAL board examples. ​

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Tesla DeLorean
Guru
November 28, 2022

https://www.crystalfontz.com/controllers/Sitronix/ST7272A/458/

Get consistent timing settings on the STM32/LTDC and controller side via I2C

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MM..1
Chief III
November 28, 2022

Use CubeMX and fullfill config ...

mr.1
mr.1Author
Associate II
November 30, 2022

I have created a project using cubemx. Please find the attached project source code. i am getting the errors in ltdc interrupt register. i have taken a reference from example project. Even though the DMA2D and LTDC interface thorough errors only. I am stuck to bring it up. please suggest me further.