Sure could be implemented, start here: https://github.com/espruino/Espruino/blob/a2fb33f01af8bc2a33f9d86a176eb18ecf50635a/targets/esp8266/jshardware.c#L882-L926 What is a simple & cheap device that does clock stretching? I wouldn't know how to test it if I implemented it (one reason I didn't).
@tve started
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.
Sure could be implemented, start here: https://github.com/espruino/Espruino/blob/a2fb33f01af8bc2a33f9d86a176eb18ecf50635a/targets/esp8266/jshardware.c#L882-L926
What is a simple & cheap device that does clock stretching? I wouldn't know how to test it if I implemented it (one reason I didn't).