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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.
@Mrbbp
So the problem persist, time to time... I suppose spi is asynchronous...
Therfore I've added a reboot() at the end of each cycle (all text done and led cycle done)
The spi is reinitialized and every thing look good. And there is no messe on the display.
I suppose i can do in an other way by adding more time to the first line, it seems, it's at a restart (when substring displayed (my cursor) go back to beginning) which the prob issue.
Thanks for your help.