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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
Does a soft reset with
reset()fix it? It seems like it should.As there's no disconnect pin on the Espruino board, it doesn't know if the card has been pulled out, so it doesn't unmount/remount it. Does the error happen if you pull the card out and re-insert it, without doing any file operations when it is removed? I thought that it worked in that case.
I think right now your only solution is to call
reset()when you start having issues... Or as you have it compiling, you could fix the underlying problem - probably by forcing an unmount/remount if there was an error when opening a file.If the error only happens if you read when the card is removed, I'd just explicitly check the value of the card detect pin, and not do anything when it's disconnected.