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TDA4VM: About the debug serial port open DMA problem

bingxian lu
Intellectual 600 points
Part Number: TDA4VM

hi expert,

            We use BOARD_SOC_DOMAIN_WKUP in MCU1_0 of the MCU domain as the debug serial port.  Serial printing affects the real-time performance of the system. We want to enable DMA on the serial port.May I ask

how to enable the corresponding serial port DMA function?    SDK version: 8.4

Regards

bingxian