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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@JumJum
Couldn't resist and tested today ;-)
direct_io branch : 26msec
bytePort branch : 18msec
There is one more problem with direct_io. LED Matrix does not show what expected.
Its time bed time now. Will take a closer look tomorrow