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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.
@allObjects
Your spi should work the way you presented. With so little code you share it is though impossible to figure what is not going well. Setup/init of SPI1 and definition of CS would have to be known. Furthermore, the HW setup on breadboards can be challenging due to the quality of spring contacts and cables. The display controller needs a timely correct initialization sequence in order to operate.