Realtime Operating System

Real-time system concepts and characteristics

Differences between RTOS and general-purpose operating systems

Types of RTOS: hard, soft, and firm

Task scheduling algorithms: priority-based and round-robin

Overview of FreeRTOS architecture and its components

Introduction to FreeRTOS API functions

Task creation and management using FreeRTOS

Task priorities, states, and scheduling

Task stack management and memory allocation

Task delays and periodic task management using vTaskDelay() and vTaskDelayUntil()

Configuring FreeRTOS using FreeRTOSConfig.h

Hands-on: Creating tasks with different priorities and implementing periodic tasks

Using queues for message passing with xQueueCreate(), xQueueSend(), and xQueueReceive()

Implementing binary and counting semaphores using xSemaphoreCreateBinary() and xSemaphoreCreateCounting()

Understanding mutexes for resource protection using xSemaphoreCreateMutex()

Managing priority inversion with priority inheritance

Implementing event groups for task synchronization using xEventGroupCreate()

Hands-on: Developing producer-consumer patterns and protecting shared resources

Understanding FreeRTOS porting process for STM32 Cortex-M4

Configuring tick interrupts and context switching

Integrating FreeRTOS with STM32 HAL libraries for peripheral management

Using FreeRTOS tasks to control peripherals like GPIO, UART, SPI, I2C, and ADC

Hands-on: Developing applications to control LEDs, read sensor data, and manage serial communication

Running FreeRTOS using the POSIX port on a Linux host

Simulating FreeRTOS tasks using POSIX threads

Debugging FreeRTOS applications using J-Link or ST-Link

Using GDB for debugging on Linux

Monitoring task states, inspecting variables, and setting breakpoints

Hands-on: Debugging task scheduling, synchronization issues, and interrupt handling