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EOzde.1
EOzde.1
Associate III
October 4, 2021
Solved

SPI with DMA only transmit and receive one byte of data?

  • October 4, 2021
  • 1 reply
  • 842 views

Hello Comunity,

I am trying to receive data with stm32h745 from stm32f407. In polling mode and IT mode no issue of getting multiple bytes of data. But with the DMA I can only receive and transmit one byte of data and nothing more. DMA is configured in normal mode. Any suggestion.

Best Regards

This topic has been closed for replies.
Best answer by Imen.D

Hello @EOzde.1​ 

Check the possible DMA issues described in this FAQ: DMA is not working on STM32H7 devices.

When your question is answered, please mark the answer as "Best Answer", this can be very helpful for Community users to find this solution more quickly.

Imen

1 reply

I
Imen.DBest answer
Technical Moderator
October 5, 2021

Hello @EOzde.1​ 

Check the possible DMA issues described in this FAQ: DMA is not working on STM32H7 devices.

When your question is answered, please mark the answer as "Best Answer", this can be very helpful for Community users to find this solution more quickly.

Imen

In order to give better visibility on the answered topics, please click on 'Best answer' on the reply which solved your issue or answered your question. Thanks
EOzde.1
EOzde.1Author
Associate III
October 8, 2021

It helps me a lot. Thank you so much.

Best Regards.

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