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HAL_ChibiOS: reduce the impact of UART DMA contention #18481
HAL_ChibiOS: reduce the impact of UART DMA contention #18481
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If the only thing you are sharing with is other UART TX's then I think this means that none of them get DMA. It would be good to make sure that the channel is at least used.
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true, but fairly tricky to organise. I think this is a worthwhile step in the right direction