README.md

Learning Objectives

• Event Management using Event Groups.

Concepts

Event groups are another synchronization primitives of FreeRTOS that allow events to be communicated to tasks. Unlike queues and semaphores:

• Event groups allow a task to wait in the Blocked state for a combination of one of more events to occur.
• Event groups unblock all the tasks that were waiting for the same event, or combination of events, when the event occurs.

These unique properties of event groups make them useful for synchronizing multiple tasks, broadcasting events to more than one task, allowing a task to wait in the Blocked state for any one of a set of events to occur, and allowing a task to wait in the Blocked state for multiple actions to complete.

Steps

1. Complete all the TODOs in the source/tutorials/tutorial_15/source/tutorial_15.c file.

2. Execute the following commands from the root of the repository to build:

   rm -rf build
   mkdir build
   cd build
   cmake -B . -S ../source/ -DTUTORIAL=15
   make

3. Execute the following command to run the binary:

   ./freertos_example

4. Understand the output.