Microchip AVR16DU20 Handleiding

Microchip Niet gecategoriseerd AVR16DU20

Bekijk gratis de handleiding van Microchip AVR16DU20 (233 pagina’s), behorend tot de categorie Niet gecategoriseerd. Deze gids werd als nuttig beoordeeld door 2 mensen en kreeg gemiddeld 4.4 sterren uit 1.5 reviews. Heb je een vraag over Microchip AVR16DU20 of wil je andere gebruikers van dit product iets vragen? Stel een vraag

Download PDF

Pagina 1/233

Draft User Guide

DS50003697A - 1

Introducon

The USB Device Stack provides embedded application developers with a framework to design and develop

several USB devices. The USB Device Stack facilitates the development of standard USB devices through

function drivers that implement standard USB Device class specications. The stack is structured in layers,

where the Hardware Abstraction Layer (HAL) interacts with the USB peripherals and endpoints, the core

layer handles transactions between the HAL and the class layer, and the class layer handles the class-specic

interactions with the host.

The USB Device Stack is a part of the MPLAB

Code Congurator (MCC) Melody installation accompanied,

by example applications highlighting stack usage. These examples will also be modied or updated to build

custom applications.

The USB Device Stack features the following:

• Support for dierent USB device classes (CDC, HID and Vendor)

• Support for multiple congurations

• Support for full-speed operation

• Support for deferred control transfer responses

• A completely non-blocking architecture

• Support for both polled and interrupted operations

• Support for Graphical User Interface (GUI) conguration through MCC

This document serves as a getting-started guide and provides information on the following:

• USB Device Stack architecture

• HID, CDC and Vendor Class examples with How-to guides

• USB Device Stack - API documentation

USB Device Stack User Guide

USB Device Stack

Draft User Guide

DS50003697A - 2

Table of Contents

Introduction...........................................................................................................................................................................1

1. USB Device Stack Acronyms and Abbreviations........................................................................................................ 3

2. USB Device Stack Architecture.....................................................................................................................................4

2.1. Hardware Abstraction Layer (HAL)...................................................................................................................4

2.2. Core Layer...........................................................................................................................................................4

2.3. Class Layer.......................................................................................................................................................... 5

3. User Guide......................................................................................................................................................................6

3.1. USB Stack Handling............................................................................................................................................6

3.2. HID Overview......................................................................................................................................................6

3.3. HID - How to use................................................................................................................................................ 6

3.4. HID Mouse - How to use................................................................................................................................... 7

3.5. HID Keyboard - How to use ..............................................................................................................................7

3.6. CDC Overview..................................................................................................................................................... 8

3.7. USB CDC - How to use ...................................................................................................................................... 8

3.8. CDC: Virtual Serial Port - How to use...............................................................................................................9

3.9. Vendor Overview..............................................................................................................................................10

3.10. Vendor - How to use........................................................................................................................................ 10

4. USB Device Stack API Documentation...................................................................................................................... 12

4.1. Project MISRA C:2012 deviations................................................................................................................... 12

4.2. Specic MISRA C:2012 deviations.................................................................................................................. 12

4.3. Supported MISRA C:2012 Rules..................................................................................................................... 13

4.4. Module Documentation.................................................................................................................................. 17

4.5. Data Structure Documentation....................................................................................................................121

4.6. File Documentation....................................................................................................................................... 143

5. Document Revision History..................................................................................................................................... 229

5.1. Revision History............................................................................................................................................. 229

Microchip Information..................................................................................................................................................... 230

The Microchip Website............................................................................................................................................. 230

Product Change Notication Service...................................................................................................................... 230

Customer Support.................................................................................................................................................... 230

Microchip Devices Code Protection Feature..........................................................................................................230

Legal Notice............................................................................................................................................................... 230

Trademarks................................................................................................................................................................ 231

Quality Management System.................................................................................................................................. 232

Worldwide Sales and Service...................................................................................................................................233