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?

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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.

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