Resources for Zephyr modules, subsystems, and features

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Bootloaders

Zephyr includes the open-source MCUboot bootloader as a module, and makes it easy to use as a bootloader for Zephyr applications.

• MCUboot and Zephyr on NXP i.MX RT series
• Building a sample with MCUboot and Sysbuild, and 
  Zephyr app with MCUboot in VS Code.  More advanced MCUboot RAM Loading with Zephyr.
• Zephyr MCUBoot + TF-M
  
  

Inter-Processor Communication (IPC) and Multicore

Zephyr includes an IPC subsystem.  Zephyr also integrates the open-source OpenAMP framework for communication between cores using the RPMsg protocol.

• Zephyr OpenAMP multicore sample
• RT1170 Building a dual-core image
• Zephyr networking stack on i.MX RT1170 Cortex-M4 secondary core
• Multicore performance
  
  

LVGL graphics

Zephyr integrates LVGL as a module, provides samples, and makes it easy to use LVGL in a Zephyr app.

• LVGL sample apps in the Zephyr repo
• List of NXP and other display shields in Zephyr
• Adding a display shield as a Cmake argument in MCUXpresso for VS Code
• GUI Guider example with Zephyr and MCUXpresso for VS Code

Networking stack

Zephyr includes a native networking stack.

• Networking IP over USB CDC NCM

Power Management (PM)

Zephyr includes a Power Management subsystem, supported on many NXP SOCs.

• Webinar: Accelerate Development with Zephyr OS Features and Modules
• NXP SmartWatch demo and webinar: minimizes power consumption on the i.MX RT500
  
  

PSA and Trusted Firmware (TF-M)

• Example TF-M PSA crypto on FRDM-RW612
• Zephyr MCUBoot + TF-M
• Adding a non-secure region in TF-M based in Zephyr on FRDM-RW612

Startup code and process

For portability, Zephyr manages startup code that is not included in the application.  The SOC, memory, device drivers, and some subsystems are initialized before main().

• Webinar: Application Portability Made Easy With Zephyr OS and NXP
• Adding custom startup code

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