• What is an OS?
• Necessitate for OS
• Issues in Communication Systems
• Application Scenarios
• Kernel
• Shell

• What's makes distributed, real-time, embedded multitasking systems challenging?
• Best effort, Hard real-time, Soft real-time
• Scheduling Class Taxonomy
• Best Effort scheduling  (Round-Robin Time-slice Scheme )
• Intro to Fixed priority preemptive scheduling
• Intro to Dynamic priority scheduling
• Utility Curves

• RTOS functionality
• RTOS Characteristics
• Layering and OS Typical Structure

• Tasks and tasking
• Priority based
• Round-Robin Based
• Inter-task communication  and synchronization
• Suspending and Resuming Task

• Real-time analysis
• Software Architectures
• Design
• Concurrency
• Meeting Constraints

• Critical-section
• Semaphores
• Monitors
• Deadlock prevention, avoidance and detection

Service Synchronization, Communication, and IO

• Using Message Queues to Sync Services and for Communication
• Using Binary Semaphores to Sync Services
• IO during Service Execution

Overlapping CPU and IO Cycles - Latency Hiding

• Initial Release Input - Block DMA and FIFO Sensor Data
• Intermediate IO
• Memory-Mapped IO During Service Processing
• Hiding IO latency with Overlap

I/O systems and Interfaces

• Pipes and I/O Drivers
• Polled I/O
• Interrupt Driven I/O
• Direct Memory Access

• Hardware Failure Recovery

• Case Study (UCOSII)   
• RTOS Concept
• Kernel Structure
• Scheduling and Time Management
• Memory Management
• Mutex, Deadlock
• Priority Inheritance
• Semaphore, Message Queue, Mailbox
• Installation and RTOS Development
• Porting of UCOS-II on PS-C51-TYRO-Kit or PS-ARM7-TYRO-2148 Kits
• Sampling Multi-tasking through TWO LED blink tasks
• Priority Scheduling: Three UART Tasks with OSTimeDelay
• Plotting Room fever graphically in a GLCD

• Abstract
• Hardware / Software Requirements
• Hardware Assembly
• Code Development
• Testing | Demonstration