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DMA Continous Request Not Selectable

oppressive08
Visitor

‎2025-06-29 9:08 AM

I am trying to read a simple adc with DMA method, but the DMA Continuous Request option is not visible as seen in the screenshot. CubeIDE Version: 18.1, Nucleo h755zi-q. Macbook Pro M4, 2024I am trying to read a simple adc with DMA method, but the DMA Continuous Request option is not visible as seen in the screenshot. CubeIDE Version: 18.1, Nucleo h755zi-q. Macbook Pro M4, 2024
I am trying to read a simple adc with DMA method, but the DMA Continuous Request option is not visible as seen in the screenshot. Even though I added from the DMA window, the problem persists. CubeIDE Version: 18.1, Nucleo h755zi-q. Macbook Pro M4 Pro, 2024. 

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TDK
Super User

‎2025-06-29 10:07 AM

 

There is no such setting on the STM32H755 and it is not required for ADC/DMA to work correctly.

Set up the ADC and DMA and start the conversion with HAL_ADC_Start_DMA and it'll work.

https://github.com/STMicroelectronics/STM32CubeH7/tree/bf1cd36e9d5cdcecddbb6745cd43ac6f1fa27bb1/Projects/NUCLEO-H743ZI/Examples/ADC/ADC_DMA_Transfer

 

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