External Interruption Tutorial

Contents

• 1. Introduction
  • 1.1. Before You Start
  • 1.2. External Interrupt
  • 1.3. Working Demonstration
• 2. Clone FreeRTOS retarget Project
• 3. Implementation
  • 3.1. Existing Application
  • 3.2. Configure the GPIO Generating Interrupt
  • 3.3. Set up the Wake-Up Timer
  • 3.4. Handle the Interrupt
  • 3.5. Using the Notification
  • 3.6. Testing
• 4. Handling Multiple Interruption Sources
  • 4.1. Latching the Interrupt Source
  • 4.2. Configuring Additional Sources
  • 4.3. Handling the Interrupt