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Posted on August 27, 2014 at 20:27I observed this problem with TX underruns on the STM32F4 also. Upon further investigation, it appears that the DMA FIFO Error (FEIF) gets set almost immediately after setting up the DMA, CPSM, and DPSM for transmiss...
Posted on December 10, 2012 at 22:27I'd like to know how to fix this problem too. Is it a bug in the PC Virtual Com Port Driver or a bug in the STM32 library or is it the proper behavior? Everytime you rebuild code or cycle power you have to physica...
