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TMR1 periodic interrupt

This example demonstrates how to use the TMR1 module in timer mode to generate periodic interrupt.

Description

The TMR1 module generates 100 ms periodic interrupt. The LED is toggled in the interrupt handler to indicate periodic callback.

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/tmr1/tmr1_timer_mode/firmware .

To build the application, refer to the following table and open the project using its IDE.

Project Name Description
pic32mx470_curiosity.X MPLABX project for Curiosity PIC32MX470 Development Board
pic32mx_eth_sk2.X MPLABX project for PIC32 Ethernet Starter Kit
pic32mx_xlp_sk.X MPLABX project for PIC32MX274 XLP Starter Kit
   

Setting up the hardware

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

Project Name Board
pic32mx470_curiosity.X Curiosity PIC32MX470 Development Board
pic32mx_eth_sk2.X PIC32 Ethernet Starter Kit
pic32mx_xlp_sk.X PIC32MX274 XLP Starter Kit
   

Setting up Curiosity PIC32MX470 Development Board

  • Connect mini USB cable to the ‘Debug USB’ connector(J3) on the board to the computer

Setting up PIC32 Ethernet Starter Kit

  • Connect mini USB cable to the ‘Debug USB’ connector(J7) on the board to the computer

Setting up PIC32MX274 XLP Starter Kit

  • Connect micro USB cable to the ‘Debug USB’ connector(J9) on the board to the computer

Running the Application

  1. Build and program the application project using its IDE
  2. On successful execution, LED starts blinking

Following table provides the LED names:



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