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 Network Package (Net). The Net repo provides a free fast to market TCP/IP stack for Microchip 32-bit SAM and PIC microprocessor devices. The repo contains multiple applications that demonstrate communication over TCP/IP using well known protocols like TCP, UDP, HTTP, SMTP, etc. Refer to the following links for release notes, training materials, and interface reference information.

• Release Notes
• Microchip Software License Agreement
• MPLAB Harmony 3 Net Wiki
• MPLAB Harmony 3 Net API Help

Click here to view the Net library help documentation.

To view the documentation offline, follow these steps:

• Download the publication as a zip file from here.
• Extract the zip file into a folder.
• Navigate to the folder and open index.html in a web browser of your choice.

Category	Item	Description	Release Status
TCP/IP Stack Plugin	TCP/IP Configurator	The TCP/IP Stack Configurator Plugin UI
TCP/IP Library General	TCPIP CORE	The core functions for the working of MPLAB® Harmony TCP/IP Stack is part of this Module
	NETCONFIG	TCP/IP Stack Network Configuration
	TCPIP CMD	TCP/IP Stack Commands
TCP/IP Library Application Layer	ANNOUNCE	TCP/IP Stack Library Announce Module for Microchip Devices
	Berkeley API	The Berkeley_Socket_Distribution (BSD) APIs provide a BSD wrapper to the native Microchip TCP/IP Stack APIs.
	DDNS	The Dynamic DNS Client module provides a method for updating a dynamic IP address to a public DDNS service.
	DHCP CLIENT	The DHCP client module will allow your application to dynamically obtain an IP address and a subnet mask from a DHCP server on the same network.
	DHCP SERVER	The DHCP Server module is used to assign IP addresses to DHCP clients from the configured IP address database.
	DHCP SERVER v2	The DHCP Server module is used to assign IP addresses to DHCP clients from the configured IP address database.
	DHCPV6 CLIENT	The DHCPv6 client module will allow your application to dynamically obtain an IPv6 address from a DHCPv6 server.
	DNS CLIENT	The DNS(Domain Name Service) Client, also known as the DNS Resolver
	DNS SERVER	The DNS(Domain Name Service) Server
	FTP CLIENT	The File Transfer Protocol (FTP) Client module will allow your application to upload the files to, and download the files from, any FTP server.
	FTP SERVER	FTP server capability facilitates the uploading of files to, and downloading of files from, an embedded device.
	HTTPNET SERVER	The HyperText Transfer Protocol (HTTP) Net Server module allows a development board to act as a Web server.
	HTTP SERVER v2	The HyperText Transfer Protocol (HTTP) Server module allows a development board to act as a Web server, version 2.
	IPERF	Iperf is a networking tool that helps to measure networking bandwidth and performance.
	NBNS	The NetBIOS Name Service protocol associates host names with IP addresses, similarly to DNS, but on the same IP subnet.
	SMTP CLIENT	The SMTPC module in the TCP/IP Stack lets applications send e-mails to any recipient worldwide.
	SNMP	Simple Network Management Protocol
	SNMPV3	Simple Network Management Protocol V3
	SNTP	The SNTP module implements the Simple Network Time Protocol.
	TELNET	Telnet, which runs over a TCP connection, provides bidirectional, interactive communication between two nodes on the Internet or on a Local Area Network.
	TFTP CLIENT	The TCP/IP Stack Library Trivial File Transfer Protocol (TFTP) module is a simple protocol used to transfer files.
	TFTP SERVER	The TCP/IP Stack Library Trivial File Transfer Protocol (TFTP) module is a simple protocol used to transfer files.
	ZEROCONF	Zero configuration (Zeroconf), provides a mechanism to ease the configuration of a device on a network.
	WebSocket Client	WebSocket client provides a full-duplex communication mechanism over a single TCP connection
TCP/IP Library Presentation Layer	Presentation Layer	The MPLAB Harmony Networking Presentation Layer is an abstracted middleware layer that provides an encrypted channel.
TCP/IP Library Transport Layer	TCP	Transmission Control Protocol
	UDP	User Datagram Protocol
TCP/IP Library Network Layer	ARP	The Address Resolution Protocol, or ARP, is a foundation layer of TCP/IP
	ICMPv4	The Internet Control Message Protocol is used to send error and status messages and requests
	IGMP	The IGMP module implements the IGMPv3 protocol. This protocol is used by hosts and routers to establish multicast group memberships.
	IPv4	IPv4 is the workhorse protocol of the TCP/IP protocol suite
	IPv6	IPv6 is the workhorse protocol of the TCP/IP protocol suite
	ICMPv6	ICMPv6 provides software abstraction of the IPv6 module existent in any TCP/IP Stack implementation. It provides error reporting and diagnostics to the TCP/IP stack.
	NDP	The NDP (Neighbor Discovery Protocol) for IP version 6 is used by IPv6 nodes on the same link to discover each other's presence.
TCP/IP Library Datalink & Physical Layer	GMAC	The Ethernet Media Access Controller (GMAC) module
	ETH	The Ethernet Media Access Controller (ETH) module
	EMAC	The Ethernet EMAC Driver module
	ETHMAC	The PIC32 Ethernet Controller module
	PPP	The Point-to-Point Protocol (PPP) module
	MIIM Driver	The MIIM driver clients access PHY registers using the MIIM Driver API
TCP/IP Library Ethernet PHY Driver		This library provides a software abstraction for configuring external Ethernet PHY devices for use with the on-chip Ethernet Controller. The supported Ethernet PHYs are: VSC8540, KSZ8041, KSZ8061, KSZ8081, KSZ8091, KSZ8863, KSZ9031, KSZ9131, LAN8700, LAN8720, LAN8740, LAN8742A, LAN9303, DP83640, DP83848, IP101GR, LAN9354, LAN8770, LAN8840 & Dummy PHY
TCP/IP Library Ethernet Controller	ENCX24J600	The ENCx24J600 External MAC is an external module to the PIC32 that is connected through a SPI or PSP interface.
	ENC28J60	The ENC28J60 External MAC and PHY is an external module connected through a Serial Peripheral Interface (SPI) to host microcontroller.