3.2. Interrupt Handling in ARM Cortex-M0

Try these first

1. 1.

   What does NVIC stand for?

   Hint

   Think of how interrupts are managed efficiently.

2. 2.

   How many priority levels does the NVIC support?

   Hint

   Consider the scale of importance in handling tasks.

3. 3.

   What does NVIC stand for?

   • Network Vectored Interrupt Controller
   • Nested Vectored Interrupt Controller
   • Non-volatile Interrupt Circuit

   Hint

   Focus on its role in managing interrupts efficiently.

4. 4.

   How many interrupt sources can the NVIC handle?

   • 8
   • 16
   • 32

   Hint

   Consider how many distinct inputs it might receive.

5. 5.

   Discuss a situation where having a higher number of priority levels improves system performance in an embedded device. Provide a specific example.

   Hint

   Think about real-life scenarios where some alerts are more urgent than others.

6. 6.

   Considering the roles of PendSV and SysTick, design a simple RTOS that utilizes both. Outline the basic operation and task management strategy it would implement.

   Hint

   Sketch out how tasks might interact in your designed system.