Does DMA really help speed things up with a serial communications peripheral
Posted on February 07, 2017 at 18:23Hi, all, I am using DMA with the STM32F7 SDMMC peripheral to read 4K buffers from the SD card. The basic SDMMC SDReadMultiBlocks function is called from disk_read which is called from Elm-Chan's fatFS f_read.Since...