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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
Hardware SPI on ESP8266 is a huge copy/paste hack that ignores all the pin assignments, and sets up all the SPI registers and blocks for every single byte sent. As a result you might feel better, but realistically it's actually going to be less efficient than just using software.
Software really should work - I guess a while back there were issues with the internal
pinModecalls not working sometimes (due topinStateIsManualnot being reset) that might have tripped you up, but that's been fixed for ages.