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nmiljevic2 · 2023-01-23

Using HAL_UART_Transmit_DMAUSART is in async mode, 115200,8,1,-DMA: Data width = byte (nothing else works)Any clues as to what could be happening here?Thank you!Ned

nmiljevic2 · 2023-01-26

Hello Guenael Cadier ,thank you for your help, you have put me on the right track (to revisit the interrupt function) - the error was entirely mine as I had an error in the receiver interrupt routine. Now everything works well - in a hurry I echoed t...

nmiljevic2 · 2023-01-23

Hello @Guenael Cadier (ST Employee)Thank you for your answer.I'm using Nucleo-U575ZI-Q board and STM32CubeIDE. All files have been generated from .ioc using HAL calls.I've become a little smarter playing around and have seen that the character gets d...

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STM32U575 UART DMA problem I use DMA to transmit data via USART1 using DMA. Every beginning of transmission shows that 10th character is dropped, everything else looks fine even for large data blocks.

Re: STM32U575 UART DMA problem I use DMA to transmit data via USART1 using DMA. Every beginning of transmission shows that 10th character is dropped, everything else looks fine even for large data blocks.

Re: STM32U575 UART DMA problem I use DMA to transmit data via USART1 using DMA. Every beginning of transmission shows that 10th character is dropped, everything else looks fine even for large data blocks.