Section A: Load and Compile OS

Step 1 : SD card format and partition

Step 1 : SD card format and partition

• step 1 : SD card format and partition

Step 2 : Install cmake Dependencies

Step 2 : Install cmake Dependencies

• Step 2 : Install cmake Dependencies

Step 3 : Get Zephyr and install Python dependencies

Step 3 : Get Zephyr and install Python dependencies

• Step 3 : Get Zephyr and install Python dependencies

Step 4 : Install the Zephyr Software Development Kit (SDK)

Step 4 : Install the Zephyr Software Development Kit (SDK)

• Step 4 : Install the Zephyr Software Development Kit (SDK)

Step 5 : Build Zephyr for secA

Step 5 : Build Zephyr for secA

• Step 5 : Build Zephyr for rpi_4b

Step 6 : Flash SD Card

Step 6 : Flash SD Card

• Step 6 : Flash SD Card

Step 7 : Boot the OS

Step 7 : Boot the OS

• Step 7 : Boot the OS