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# 1 Harmony 3 USB Dual Role application examples

MPLAB® Harmony 3 is an extension of the MPLAB® ecosystem for creating embedded firmware solutions for Microchip 32-bit SAM and PIC® microcontroller and microprocessor devices. Refer to the following links for more information.

- Microchip 32-bit MCUs
- Microchip 32-bit MPUs
- Microchip MPLAB X IDE
- Microchip MPLAB® Harmony
- Microchip MPLAB® Harmony Pages

This repository contains the MPLAB® Harmony 3 USB Dual Role application examples.

- Release Notes
- MPLAB® Harmony License

To clone or download these applications 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.

## Contents Summary

Folder | Description
--- | ---
apps | Contains Harmony 3 USB Dual Role application examples
docs | Contains documentation in html format for offline viewing (to be used only after cloning this repository onto a local machine). Use github pages of this repository for viewing it online.

## Code Examples

The following applications are provided to demonstrate the typical or interesting usage models of USB Dual Role capabilities.

Name | Description
--- | ---
MSD Host and HID Device | This application creates a USB Dual Role application that can switch between USB Host MSD Stack and USB Device HID function. The role switch is trigger by a switch press. In the USB Host mode, the application performs read and write operations to a USB pen drive. In the USB Device mode, the application emulates a HID mouse.