Systick periodic interrupt
This example shows how to use the SysTick to generate periodic interrupts.
Description
This example application configures the SysTick Peripheral Library to generate periodic ticks. The application registers a periodic timeout callback. It toggles an LED every time the callback is triggered.
Downloading and building the application
To clone or download this application from Github, go to the main page of this repository and then click Clone button to clone this repository or download as zip file. This content can also be downloaded using content manager by following these instructions.
Path of the application within the repository is apps/systick/systick_periodic_timeout/firmware .
To build the application, refer to the following table and open the project using its IDE.
| Project Name | Description |
|---|---|
| sam_rh71_ek.X | MPLABX project for SAM RH71 Evaluation Kit |
Setting up the hardware
The following table shows the target hardware for the application projects.
| Project Name | Board |
|---|---|
| sam_rh71_ek.X | SAM RH71 Evaluation Kit |
Setting up SAM RH71 Evaluation Kit
- Connect the Debug USB port on the board to the computer using a micro USB cable
Running the Application
- Build and Program the application using its IDE
- The LED blinks continuously
Following table provides the LED name:
| Board | LED Name |
|---|---|
| SAM RH71 Evaluation Kit | LED0 |