Project Detail

Disk Driver Simulation

Low-level disk driver and scheduling system written in C

Custom C-based disk device driver simulation implementing disk scheduling, DMA setup, recalibration handling, error recovery, and file system communication.

Overview

Project Overview

Developed a simulated disk device driver in C capable of processing asynchronous file system requests, handling DMA operations, and implementing disk scheduling logic.

Core Features

Disk arm elevator scheduling.
DMA register setup.
Motor state management.
Checksum recovery logic.
Cylinder recalibration.
Request queue processing.

Technologies

C Programming
Operating Systems
Disk Scheduling Algorithms
Low-Level Memory Management

Technical Skills

Systems Programming
Debugging
Error Recovery
Algorithm Design

Driver Execution Trace

> Initializing disk driver...

> Starting disk motor...

> Motor reached operational speed

> Request queue loaded

> Elevator scheduling active

> Reading block 212...

> DMA transfer completed

> Checksum verified

Implementation

Code Demonstration

while (true)
{
    send_message(fs_message);

    process_requests();

    execute_disk_operations();
}