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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.
@FyberChris
I declared SPI4 which was causing problems. I think the CSV file is working now, still no USB or serial function. What is the source of the target libraries? They seem similar but a very different layout and much older than the current STM32Cube libraries.