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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.
@Urri
ILI9481's are slightly different in how you setup registers to access controller memory
Using of SPI is possible but slow. The maximum SPI clock you can have from STM32F103 is 18MHz, which is 2MB/s. The maximum not yet exeeding spec FMSC speed is 8MB/s. There's compromise solution - use 8 bit mode