--- title: Harmony 3 peripheral library application examples for PIC32MZ EF family nav_order: 1 has_children: true has_toc: false

Harmony 3 peripheral library application examples for PIC32MZ EF family

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.

This repository contains the MPLAB® Harmony 3 peripheral library application examples for PIC32MZ EF family

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 peripheral library example applications
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 one or more peripheral libraries.

Name	Description
ADCHS Interrupt	This example application shows how to sample an analog input using the ADCHS peripheral and displays the converted samples on a serial terminal
ADCHS polling	This example application shows how to sample an analog input using the ADCHS peripheral and displays the converted samples on a serial terminal
Cache maintenance operations	This example demonstrates the cache maintenance operation by cleaning and invalidating the cache for the DMA buffers located in the cacheable SRAM region
CAN blocking	This example application shows how to use the CAN module to transmit and receive normal CAN messages in polling mode
CAN interrupt	This example application shows how to use the CAN module to transmit and receive normal CAN messages in interrupt mode
Clock configuration	This example application shows how to configure the clock system to run the device at maximum frequency. It also outputs a prescaled clock signal on a GPIO pin for measurement and verification
CMP configurable reference	This example application shows how to use the CMP Peripheral library to compare voltage level on the negative input with the internal configurable reference voltage
CORETIMER periodic interrupt	This example application shows how to use the CoreTimer to generate periodic interrupts
DMAC CRC-32 Generation	This example application demonstrates how to use the DMAC peripheral to compute 32-bit Cyclic Redundancy Checksum (CRC)
DMAC memory transfer	This example application demonstrates how to use the DMAC peripheral to do a memory to memory transfer
DMAC usart echo	This example application demonstrates USART transfer with DMA to receive 10 bytes and echo back the received bytes
DMAC usart echo using Pattern Matching	This example application demonstrates USART echo using DMA pattern matching feature
DMT timeout	This example application shows how the deadman timer resets by not clearing the deadman timer counter on switch press
EBI SRAM read write	This example application demonstrates how to use the EBI peripheral to write and read from the SRAM
GPIO interrupt	This example application demonstrate how to generate GPIO interrupt on switch press and release, and indicate the switch status using the LED
GPIO Polling	This example application demonstrate how to poll the switch input, and indicate the switch status using the LED
ICAP capture mode	This example application shows how to use the ICAP peripheral to measure the pulse width of the input signal
NVM flash read write	This example application demonstrates how to use the NVM to erase and program the internal Flash memory
OCMP compare mode	This example application shows how to use the OCMP peripheral to generate an active low, active high, and toggle output on compare match
Low Power Modes	This example application demonstrates how to use different low power modes of the device
RNG random number	This example application shows how to use the RNG Peripheral library to generate a pseudo-random number
RTCC alarm interrupt	This example application shows how to use the RTCC to configure the time and generate the alarm
SPI ping pong with DMA	This example demonstrates how to continuously transmit and receive data over a SPI interface using contiguous ping pong buffers with DMA
SPI ping pong with DMA Chaining	This example demonstrates how to continuously transmit and receive data over a SPI interface using ping pong buffers with DMA in chain mode
SPI blocking	This example application demonstrates how to use the SPI peripheral to transmit and receive a block of data in a blocking manner
SPI interrupt	This example application demonstrates how to use the SPI peripheral to transmit and receive a block of data using interrupt
SQI flash read write	This example application demonstrates how to use the SQI Peripheral library to perform erase, write and read operation with the SQI Serial Flash memory
TMR periodic interrupt	This example demonstrates how to use the TMR module in timer mode to generate periodic interrupt
TMR1 periodic interrupt	This example demonstrates how to use the TMR1 module in timer mode to generate periodic interrupt
UART echo blocking	This example application demonstrates how to use the UART peripheral to transfer a block of data in a blocking manner
UART echo interrupt	This example application demonstrates how to use the UART peripheral to transfer a block of data in a non-blocking manner
UART ring buffer	This example application demonstrates how to use the UART peripheral in ring buffer mode
WDT timeout	This example application shows how the watchdog timer resets by not feeding the watchdog on switch press