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
- Build and program the application project using its IDE
- On successful execution, LED starts blinking
Following table provides the LED names:
| Board | LED Name |
|---|---|
| Curiosity PIC32MX470 Development Board | LED1 |
| PIC32 Ethernet Starter Kit | LED1 |
| PIC32MX274 XLP Starter Kit | LED1 (RED) |