1.20 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 NameDescription
pic32cx_mtsh_db.XMPLABX project for PIC32CXMTSH Development Board

Setting Up the Hardware

The following table shows the target hardware for the application projects.

Project NameBoard
pic32cx_mtsh_db.XPIC32CXMTSH Development Board

Setting Up PIC32CXMTSH Development Board

  • Power on the board using a 12V power supply on J3
  • Attach a debugger to the SWD/JTAG port J17

Running the Application

  1. Build and Program the application using its IDE
  2. The LED blinks continuously
    Following table provides the LED name:
    BoardLED Name
    PIC32CXMTSH Development BoardD20