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Build Your Own Real Time OS (RTOS) From Ground Up on ARM


Introduction :
Microcontroller choices
Overview of the STM32F4-DISCOVERY Board
Overview of the TM4C123 Tiva C LaunchPad
Overview of the STM32F4- NUCLEO Board
Other components

Internals of A Real-Time Kernel on ARM Processors :
Tool chain and IDE setup
Introduction
Coding : Setting Up the Project
Coding : Analyzing the Reference Documents
Coding : Pin configuration
Coding : Testing pin configuration
Coding : Adding a Time Base
Coding : The Blocking Code
Coding : The Exception Stack Frame
Coding : The Exception Stack Frame (PART II)
Coding : Creating the Stack Frames
Coding : Switching Threads

Introduction to Real-time Operating Systems :
What is an RTOS?
Performance Metrics of Real Time Operating Systems

Software Flows :
Busy Wait System
Multi-Threaded Systems (With ISRs)
Real-Time Systems

The Stack :
Stack & Memory Map
Stack Manipulation

Overview of Cortex-M OS Support Features :
Inside the Microcontroller
Operation Modes
The Shadow Stack Pointer
SVC Exceptions
Coding : Creating SVC Services (PART I)
Creating SVC Services (PART II)
Coding : Creating SVC Services (PART III)
Creating SVC Services (PART IV)
Coding : Creating SVC Services (PART V)
Coding : Creating SVC Services (PART VI)
PendSV Exceptions
Exclusive access instructions
The SysTick

BOOT Sequence :
Cortex-M Boot Sequence PART I
Cortex-M Boot Sequence PRT II

Introduction to Threads :
The Thread
Classification of Threads

Thread Control Block (TCB) :
Features of the Thread Control Bock
Implementing a Thread Control Block

The Scheduler and Scheduling Algorithms :
The Scheduler
Process vs. Thread
Classification of Schedulers
Preemption
Scheduler Criteria
CPU Utilization
Scheduling Algorithm Optimization
Overview of Popular Scheduling Algorithms
First Come First Served (FCFS) Scheduler
Round Robin (RR) Scheduler
Round Robin (RR) Scheduler (PART II)
Quanta
Weighted Round Robin (WRR) Scheduler
Internals of the Round Robin Scheuler

Context Switching :
The Context Switching process

The Kernel :
The Kernel

RTOS Scheduler version 1 : Using SysTick Exceptions only :
Introduction
Coding :Project Setup
Coding : Building the Kernal interface file
Coding : Building the Kernel components ( Thread Control Block and Thread Stac)
Coding : Building the Kernel components ( osKernelAddThread )
Coding :osKernelLaunchThread
Coding : Building the Kernel's Scheduler in assembly (PART I)
Coding : Building the Kernel's Scheduler in assembly (PART II)
Coding : Building the Kernel's Scheduler in assembly (PART III)
Coding : Building the Kernel's Scheduler in assembly (PART IV)
Testing the RTOS

The Cooperative/Non-Preemptive Scheduler :
Coding : Setting Up the Project
Coding : Implementing the Cooperative Scheduler

OS Porting Considerations :
Board Support Package
Path Expression

Board Support Package (STM32F4) :
Introduction
Coding : STM32F4_RTOS_BSP (PART I)
Coding : STM32F4_RTOS_BSP (PART II)
Coding : STM32F4_RTOS_BSP (PART III)
STM32F4_RTOS_BSP (PART IV)
Coding : STM32F4_RTOS_BSP (PART V)
Coding : STM32F4_RTOS_BSP (PART VI)
Coding : TESTING STM32F4_RTOS_BSP (PART I)
Coding : TESTING STM32F4_RTOS_BSP (PART II)
Coding : TESTING STM32F4_RTOS_BSP (PART III)
Coding : Remarks on STM432F4- NUCLEO

Board Support Package (TM4C123) :
Coding : Overview of TM4C TIVA-C BSP

The Periodic Scheduler :
Coding : Periodic Scheduling method 1
Coding : Periodic Scheduling method 2 (PART I )
Coding : Periodic Scheduling method 2 (PART II )

Semaphores :
Introduction to semaphores
The spinlock semphore
The cooperative semaphore
Coding : Spin-Lock Semaphore Implementation (PART I)
Coding : Spin-Lock Semaphore Implementation (PART II)
Coding : Spin-Lock Semaphore Implementation (PARTIII)
Coding : Spin-Lock Semaphore Implementation (PART IV)
Coding : Cooperative Semaphore Implementation

Inter-Thread Communication and Synchronization :
Rendevous
Coding : Implementing Rendevous
-----------------Overview of Some Popular Real-Time Operating Systems-----------

Overview of CMSIS-RTOS RTX :
Introduction to Keil-RTX
Introduction to CMSIS RTOS
Thread Management API's
Coding : Thread Creation (PART I)
Coding : Thread Creation (PART II)
osTime Management

Overview of FreeRTOS :
Installing more packs
What is FreeRTOS ?
Features of FreeRTOS
FreeRTOS Variable Names
The Task Function
Creating a Task
Coding : Task Creation

Overview of Micrium uC/OS-III :
What is uC/OS-III ?
Features of uC/OS-III
uC/OS-III Components
uC/OS-III Task Creation
Coding : Single Task Application (Part I )
Coding : Single Task Application (Part II )
Coding : Multi Task Application (Part I )
Coding : Multi Task Application (Part II )

BONUS 1 : ARM Cortex-M Assembly Primer :
Assembly Language Syntax
Assembly Directives
Project 1 Overview
Project 1 Opcodes
Coding : Setting Up Project 1
Coding : Project 1 Part 1
Coding : Project 1 Part 2
Coding : Project 1 Part 3
Logical Operators
Coding : Project 1 Part 4
Coding : Project 1 Final
Coding : STM32F4 GPIO Assembly programming

BONUS 2 : ARM Cortex-M Bare-Metal Embedded-C Primer :
Introductory message
Counting
First look at the Debug View
The Memory View
Changes in the Views
Introduction to CMSIS
Examing the CMSIS Documentation
Coding : CMSIS Part 1
Coding : CMSIS Part 2
Coding : CMSIS Part 3
Introduction to Structures
Simplifying Structures with typedef
Accessing structures members using the dot operator
Accessing Structure members using the dot operator (continued)

Setting up Development Environment and Toolchains :
Downloading and Installing Keil uVision5
Downloading and Installing USB Drivers for Tiva C Microcontroller
Keil uVision 5 overview
Setting Up STM32CubeMX
Overview of STM32CubeMX
Overview of STM32CubeMX (continued)
Checking for Updates and Firmwares
Overview Peripheral Configuration
CubeMX Input/Output project
CubeMX External Interrupt project

Closing :
Closing Remark