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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.
@Gordon
Definitely writing
convertin Inline C would help - but Inline C doesn't work on ESP8266/ESP32 so it's not a great help here :) I believescanactually already spends 90% of its time inside native code withshiftOutthough.Thanks for posting up the code @JumJum - that's frustrating as it's almost there... If it were 20ms it would be reasonably workable :(