Made huge progress today on J-core SPI/MMC performance, but Linux is still about 1/3 to 1/2 the speed of bare-metal code reading SD card...
I still don't understand why block 2 of a multiblock transfer doesn't start immediately after block 1 finishes, but some 20k cycles later...
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@RichFelker sounds *just like* Linux networking.Thanks. Twitter will use this to make your timeline better. UndoUndo
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