How to Initialize Zephyr RTOS on Raspberry Pi Pico with ILI9341 LCD, XPT2046 Resistive Touch, and LVGL Zephyr is a lightweight RTOS designed to provide portability across diverse hardware platforms through a modular framework. Most beginners avoid Zephyr because of its complexity and steep learning curve. This article offers easy steps to initialize the latest versions of Zephyr and Zephyr-SDK for Windows and Visual Studio Code. It also educates the device tree using a challenging example of porting an ILI9341 and XPT2046 resistive touch on an identical SPI bus for a…

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