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STM32H743ZI-NUCLEO UART DMA experiment for help

Question asked by one V on Nov 16, 2017
Latest reply on Feb 20, 2018 by Clive One

The UART DMA communication experiment using STM32H743ZI-NUCLEO development board, the routine can work, but the project generated using CUBEMX (V4.23) and STM32CubeH7 Firmware Package V1.1.0 can not work, the performance is TX no data out. Project generated with STM32F446ZI-NUCLEO can also work. Anyone have encountered such a situation? Ask for help!