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Embedded Software Development Framework for 32-bit Microcontrollers and Microprocessors


MPLAB® Harmony v3 is a fully integrated embedded software development framework that provides flexible and interoperable software modules to simplify the development of value-added features and reduce your product’s time to market.

Click on the icons in the diagram below to find the documentation and resources that you need to begin your application development:

Key Benefits of MPLAB Harmony v3


  • Core-agnostic implementation that supports all our 32-bit MIPS®- and Arm® Cortex®-based MCU and MPU device families
  • Code portability with consistent APIs that can be used across different device families
  • Easily configurable using MPLAB Code Configurator's (MCC’s) Graphical User Interface (GUI)
  • Layered, self-contained and MIRSA-C:2012 Mandatory Standards-compliant* framework includes:
  • Peripheral libraries: Hardware Abstraction Layer
  • Drivers and services
  • Reusable middleware
  • Offers 1000+ demo/application examples supporting multiple development models
  • Fully Integrated with third-party solutions like FreeRTOS™ and Azure® RTOS and able to import projects created in IAR Embedded Workbench 

*Please Contact your local sales representative to obtain the MISRA-C report.

Generate Code for Your Project With MPLAB Code Configurator

MPLAB Code Configurator (MCC) is a free graphical programming environment that generates seamless, easy-to-understand C code that can be used in your 32-bit application development. Configuration for MPLAB Harmony projects was previously done with MPLAB Harmony Configurator (MHC). However, key features like the content manager and project graph have now been integrated into MCC to provide a unified code configuration tool that spans all Microchip MCU platforms.

Leveraging MPLAB Harmony v3 for SAM MPUs


  • MPLAB X IDE and MPLAB Harmony now support SAM MPUs
  • FreeRTOS support available
  • Seamless migration of your MCU-based application to a SAM MPU
  • Compile and configure MPU applications for free with MPLAB Harmony software development framework
  • Ability to import projects into other software development environments
  • Smaller code size

Other MPLAB Harmony v3 Features 


  • Supports all Microchip’s 32-bit MIPS, Arm® Cortex® based MCU and MPU device families
  • Device and embedded software libraries can be configured with MCC, a GUI-based configurator integrated into MPLAB X IDE, which provides a unified interface to all the features of the embedded software framework
  • Optimized peripheral libraries to simplify device setup and peripheral usage
  • Modular software downloads and updates available through GitHub for better installation and configuration management
  • Version control for software components
  • Provides comprehensive middleware library stacks and example software to support a wide variety of applications
  • Graphics libraries to drive OLED to WVGA+ displays
  • Free-to-use TCP/IP stack; no need for third-party software stack or support
  • Cloud connectivity available
  • Enhanced crypto support with wolfSSL, wolfSSH and wolfMQTT now available for free
  • Complete support for Bluetooth® libraries
  • Extensive motor control applications demo examples of sensored and sensorless control of Brushless DC (BDC) motors, Permanent Magnet Synchronous Motor (PMSMs) and AC Induction Motors (ACIMs)

Getting Started with MPLAB Harmony v3


Here are some links to help you get started with MPLAB Harmony v3: 

Brochures

General MPLAB Harmony Tutorials

Peripheral Libraries

Drivers

Application Examples

Repository

Description


Audio

Audio Library: This repository contains a variety of audio drivers, encoders, decoders, and firmware projects that demonstrate the capabilities of the MPLAB Harmony v3 audio offerings. Each example application project describes its hardware setup, block diagram, requirements, hardware compatibility and operation.

Bluetooth®

Bluetooth Library: This repository contains the MPLAB Harmony v3 Bluetooth Package (bt). It supports a fast-to-market Bluetooth development environment for 32-bit SAM and PIC microcontrollers.

Cryptography

Cryptography Library: The Cryptographic library includes functions to perform encryption, decryption, hashing, authentication and compression within an embedded application. Random Number Generation (RNG) functions are also provided.

Graphics

Graphics Library: The graphics repository contains the files for MPLAB Harmony Graphics Suite quick-start applications, drivers, tools, libraries and templates.

Graphics Apps

Graphics Apps Library: The graphics apps repository contains the graphics application package (GFX Apps). This is a more extensive set of highly integrated, stand-alone applications that demonstrate some of the capabilities of graphics in MPLAB Harmony v3 for 32-bit PIC and SAM microcontrollers..

Motor Control

Motor Control Library: This module contains motor control demonstrations implemented on 32-bit microcontrollers.

 

Touch

Touch Library: Use this software library for developing touch applications on 32-bit microcontrollers with a Peripheral Touch Controller. The library supports both self-capacitance and mutual-capacitance acquisition methods.

Networking (TCP/IP)

Networking (TCP/IP) Library: This repository provides a fast-to-market TCP/IP stack for 32-bit PIC and SAM microcontrollers. It contains multiple applications that demonstrate communication over TCP/IP using well-known protocols like TCP, UDP, HTTP, SMTP, etc.

USB

USB Library: The USB module provides USB controller drivers for 32-bit PIC and SAM devices, as well as Host and Device middleware with support for common device classes..

Bootloader

Bootloader Library: Bootloaders can be used to upgrade firmware on a target device without the need for an external programmer or debugger. Supported bootloaders include UART, I2C, SPI, CAN, Serial Memory, File System, USB, Ethernet and OTA.

Repository

Description


Core

The core module components provide the simple-to-use abstractions of 32-bit SAM and PIC device peripherals and shared resources on which the MPLAB Harmony 3 middleware is based, including drivers, services and the Operating System Abstraction Layer (OSAL).

 

Chip Support Package (CSP)

The CSP module contains independent, low-level Peripheral Libraries (PLIBs) that are simple functions to initialize and control peripherals and basic device features on which MPLAB Harmony 3 drivers and services are based. The CSP supports initialization of 32-bit devices and development of simple applications that directly control peripheral hardware with minimal external dependencies.

 

Board Support Package (BSP)

The BSP module provides initial configuration settings for PIC and SAM Xplained development boards.

 

MPLAB® Code Configurator (MCC)

MPLAB® Code Configurator (MCC) is a free graphical programming environment that generates seamless, easy-to-understand C code to insert into your project. Using an intuitive interface, it enables and configures a rich set of peripherals and functions specific to your application.

Bootloader

The bootloader module components provide a framework to develop bootloaders for SAM microcontrollers. The Bootloader Library can be used to upgrade firmware on a target device without requiring an external programmer or debugger.

 

Repository

Description


The wolfSSL embedded SSL library (formerly CyaSSL) is a free-to-use, lightweight SSL/TLS library written in ANSI C and targeted at embedded, RTOS and resource-constrained environments. It supports TLS 1.3.

 

wolfMQTT is an implementation of the MQTT Client written in C for embedded use and that supports SSL/TLS via the wolfSSL library. This free-to-use library was built from the ground up to be multi-platform, space conscious and extensible. It integrates with wolfSSL to provide TLS support.

 

wolfSSL's Embeddable SSH Server is a free-to-use, lightweight Secure Shell library that provides server-side support for SSH v2.0 capabilities. It is dependent on wolfCrypt.

 

FreeRTOS, an industry-leading, open-source, real-time operating system is enabled by default with Harmony v3 drivers, middleware and system services. It is accessed directly from the CMSIS FreeRTOS repository. This enables you to schedule tasks in your application quickly. If bare-metal development (without RTOS support) or use of another supported real time operating system is desired, simply select the desired option from the available RTOS configuration.

Getting Started and Tutorials

Documentation


Title
AN3475 - File Transfer Protocol Using MPLAB Harmony v3 TCP/IP Stack Download
AN3466 - Using XDMAC with QSPI on Arm Cortex-M7 MCUs Using MPLAB Harmony v3 Download
AN3342 - SleepWalking with Event System Using the SAM E54 Download
AN3443 - Execute-In-Place (XIP) with QSPI on Cortex-M7 MCUs Using MPLAB Harmony v3 Download
Tightly Coupled Memory on Microchip Cortex-M7-based MCUs Download
AN5501 - IP Protection and Sandboxing Using the PIC32CM LSx MCUs Download
Title
MPLAB® Harmony Brochure Download
MPLAB Harmony v3 Sell Sheet Download
Title
Creating a 'Hello World' Application on Arm Microcontrollers Using MPLAB Harmony v3 with MPLAB Code Configurator (MCC) Download
How to Setup MPLAB Harmony v3 Software Development Framework Download
MPLAB Harmony v3 Synchronous Drivers and Their Usage in FreeRTOS-Based Applications Download
ADC Sequencing Using DMA and EVENT System on PIC32C and SAM MCUs Using MPLAB Harmony v3 and MCC Download
The Differences Between MPLAB Harmony v3 Synchronous and Asynchronous Drivers and When to Use Them Download
How to Add a New Configuration to an Existing MPLAB Harmony v3 Project Download
How to Use the MPLAB Harmony v3 Project Manifest Feature Download
Creating the First Application on PIC32CM LSx Microcontrollers Using MPLAB Harmony v3 with MPLAB Code Configurator (MCC) Download
Title
How to Get Started with MPLAB Harmony v3 on GitHub Link
Update and Configure an Existing MHC-based MPLAB® Harmony v3 Project to MCC-based Project Link
Arm® TrustZone® Getting Started Application on PIC32CM LS60 (Arm Cortex®-M23) MCUs Link

Need Some Help?


We are here to support you. Contact our Client Success Team to get assistance with your design.











Watch MPLAB® Harmony v3 Video Playlist

This playlist contains eight videos that offer step-by-step guidance for developing applications on our 32-bit microcontrollers (MCUs) using MPLAB Harmony v3 and MPLAB Code Configurator (MCC).

The playlist covers topics such as peripheral configuration, middleware integration, robust security, ultra-low power, enhanced touch and multiple connectivity options such as CAN, USB and Ethernet to create efficient, scalable and feature-rich embedded solutions.