stm32h7b0vb ADC+dma always Overrun Error

wjun.1 · ‎2021-12-26

ADC Trigger from Timer,DMA transmit ,and then Always Overrun Error, buffer address @0x30000000.Data can not be transferred to buffer correctly,ADC1 register DR is 0x801 while buffer is 0x01.

TDK · ‎2021-12-26

Show your code. How fast is TIM1? Are you transferring half words or bytes?

If you feel a post has answered your question, please click "Accept as Solution".

Sara BEN HADJ YAHYA · ‎2021-12-29

Hello @wjun.1 ,

Thanks for your feedback,

Could you please specify the CubeMX version and if possible, please share your .ioc file.

Regards,

Sara.

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.

MichaelSweden · ‎2021-12-30

Maybe take a look at this (wrong init order): https://community.st.com/s/question/0D53W00001EzCmCSAV/mxdmainit-order-in-the-mainc-file-generated-by-stm32cubemx-how-to-fix