Embedded Firmware Developer Interview Questions and Answers

Semaphores allow multiple tasks to access a shared resource, while mutexes only allow one task at a time to access the resource.

• Semaphores can have a count greater than 1, allowing multiple tasks to access a shared resource simultaneously.

• Mutexes have a count of 1, ensuring only one task can access the resource at a time.

• Semaphores are typically used for signaling between tasks, while mutexes are used for exclusive access to resources.

• Example: A semaphore could be used to con...read more