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MSale.1
Senior
January 12, 2021
Solved

Issue to use DCMI with STM32H7A3 (DMA mode)

  • January 12, 2021
  • 6 replies
  • 1168 views

I have problem with the DCMI in STM32H7A3.DCMI FIFO never get filled and the DMA interrupt never start. does any one faced this issue with this new uc?

I have Camera system runs on STM32H743 and now we use the new STM32H7A3 but the problem the DCMI FIFO never get filled so the DMA never start the transfer. i have the Vsync and H sync working and the pixel clock too. I wonder if there is informations related to this new uc.

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Best answer by MSale.1

Problem solved. Its bug in the Cube IDE. It does not generate the function to link the DCMI with the DMA. I speak about the HAL Link DMA function

6 replies

MSale.1
MSale.1AuthorBest answer
Senior
January 15, 2021

Problem solved. Its bug in the Cube IDE. It does not generate the function to link the DCMI with the DMA. I speak about the HAL Link DMA function

Amel NASRI
ST Technical Moderator
January 15, 2021

Hi @Community member​ ,

Thanks for sharing the solution to the issue you faced.

In order to fix it permanently at STM32CubeIDE (and STM32CubeMX) sides, could you please precise the used version of these tools? Are you aligned with last revisions?

-Amel

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MSale.1
MSale.1Author
Senior
January 18, 2021

Hi @Amel NASRI​ 

Cube IDE version 1.5.1

Mahmoud

Amel NASRI
ST Technical Moderator
January 18, 2021

Hi @Community member​ ,

The problem is confirmed, I reported it internally and our STM32CubeMX team will take care to fix it in next releases.

Thanks,

Amel

To give better visibility on the answered topics, please click on "Best Answer" on the reply which solved your issue or answered your question.