STM32L4 STM32Cube 4.14 SDMMC FATFS DMA TX RX hang
Posted on June 12, 2016 at 10:04Hi.FATFS with polling mode is OK(Except TX uderrun error when interrupt).When using DMA, FATFS works OK with TX DMA only. (DMA interrupt priority should be lower than SD interrupt).FATS works OK with RX DMA only.But w...