Real Time Embedded System - Assignment

This course assignment covers the fundamentals of Real-Time Embedded Systems to the implementation of a bare-metal preemptive kernel by developing bare-metal applications for the Raspberry Pi 3. It started with the general introduction of bit manipulation in assignment 1 to the advance concept and implimentation of multitasking using Rate Monotnic Scheduling to Eearliest Deadline First Dynamic scheduling.

Assignment Details and Output

Refer the README file of each assignment.

Hardware Requirements

• Raspberry Pi 3 (RPi3) or Raspberry Pi 3B+
• UART connection for a1p1 project (115200 baud, 8N1)
• GPIO access for LED control in a1p2
• SD card for image deployment (FAT32 boot partition)
• Power supply (5V, minimum 2.5A recommended)
• Electronic Components: 270Ω resistor, LED, and breadboard cables

Build Requirements

• ARM cross-compilation toolchain (gcc-arm-none-eabi)
• GNU Make utility
• Linux/WSL environment (recommended for build stability)
• Hardware-specific definitions for RPi3 (e.g., rpi-gpio.h, rpi-systimer.h)

Toolchain Setup

To install the necessary tools on a Debian-based system (like Ubuntu or WSL), run:

sudo apt update
sudo apt install gcc-arm-none-eabi make

Running the Applications

Deployment

1. Generate the Image: Run the make command in the project directory to create the .img file (e.g., a1p1.img or a1p2.img).
2. Transfer: Copy the resulting .img file to the boot partition of your SD card.
3. Configure: Rename the file to kernel7.img (the default for RPi3) or update the config.txt file on the SD card by adding the line: kernel=your_file_name.img.
4. Boot: Insert the SD card into the Raspberry Pi 3 and power on the device.

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