FreeRTOS常见问题解释，即FAQ

eric2013

官方地址：http://www.freertos.org/FAQ.html
How to get the most from the FreeRTOS support forum

My application does not run, what could be wrong?

What Is This All About?
What is a Real Time Operating System (RTOS)?
What is a Real Time Kernel?
What is a Real Time Scheduler?
How do I use FreeRTOS?
How do I get started?
Why use an RTOS?

Ports
Will FreeRTOS run under Windows?
Are the NNN development tools supported?
Is the NNN microcontroller supported?
How do I create a new port?
What is the difference between an official port, and an unsupported port?

Memory Usage, Boot Times, Context Switch Times
How much RAM does FreeRTOS use?
How much ROM does FreeRTOS use?
How long does FreeRTOS take to boot?
How long does a context switch take?
Why do queues use that much RAM?
How can I reduce the amount of RAM used?
How is RAM allocated to tasks?
How is RAM allocated to queues?
How big should a task stack be?

Licensing
Can I use FreeRTOS in a commercial project?
Do I have to give away my application source code if I use FreeRTOS?

Scheduling
How are tasks of equal priority scheduled?
How are tasks that share the idle priority scheduled?

ISR's
Can a context switch occur within an ISR?
How do I write an RTOS safe ISR?
Can interrupts be nested?

eric2013

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