Microchip PIC32CM5164LS60064 Manual

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MPLAB® Harmony Help - MPLAB

Harmony Overview

MPLAB Harmony Integrated Software Framework v1.11

What is MPLAB Harmony?

This topic provides an overview of MPLAB Harmony.

Description

Microchip MPLAB® Harmony is the result of a holistic, aggregate approach to creating rmware solutions for embedded systems using Microchip

PIC32 microcontrollers. As shown in the following diagram, MPLAB Harmony consists of portable, modular and compatible libraries provided by

Microchip and third-party ecosystem partners. MPLAB Harmony also includes easy-to-use development utilities like the MPLAB Harmony

Congurator (MHC) plug-in for the MPLAB X IDE, which accelerate development of highly capable and reusable PIC32 embedded rmware

applications.

MPLAB® Harmony Block Diagram

Designed almost completely in the C language (see

Note), MPLAB Harmony takes key elements of modular and object-oriented design, adds in

the exibility to use a Real-Time Operating System (RTOS) or work without one if you prefer, and provides a framework of software modules that

are easy to use, congurable for your specic needs, and that work together in complete harmony.

Note: MPLAB Harmony has not been tested with C++; therefore, support for this programming language is not supported.

Portability

Portability is a concern that is often overlooked when a silicon manufacturer provides software. However, breadth of solutions is a hallmark

strength of Microchip, and MPLAB Harmony provides simple libraries to abstract away part-specic details and make a Microchip device easy to

use, regardless of which device you choose. Any time you design a new product or update an existing one, cost must be balanced with

capabilities; however, cost is more than just the bill of materials – it’s also the Non-Refundable Engineering (NRE) cost to design and develop your

solution. MPLAB Harmony provides peripheral libraries, device drivers, and other libraries that use clear and consistent interfaces, requiring little or

no change in your application code and minimizing the engineering time and eort for each new design.

Device Drivers

The primary purpose of a MPLAB Harmony device driver (or "driver") is to provide a simple and highly abstracted interface to a peripheral, allowing

your application (or any other module in the system) to interact with a peripheral through a consistent set of functions. A driver is responsible for

managing access to a peripheral, so that requests from dierent modules do not conict with each other, and for managing the state of that

peripheral so that it always operates correctly.

Peripheral Libraries

A Peripheral Library (PLIB) is a simple access library that provides a consistent (but very low level) interface to a peripheral that is "on board" the