Microchip Technology DM164127 User Manuals

Table of Contents

• Introduction

  5
• Document Layout

  5
• Conventions Used in this Guide

  6
• Recommended Reading

  7
• The Microchip Web Site

  7
• Customer Support

  8
• Document Revision History

  8
• Chapter 1. Overview

  9
• 1.1 Introduction

  9
• 1.2 Highlights

  9
• 1.3 Low Pin Count USB Development Kit Contents

  9
  • Figure 1-1: Low Pin Count USB Development Kit

    9
• 1.4 Low Pin Count USB Development Board Construction and Layout

  10
  • Figure 1-2: Low Pin Count USB Development Board

    10
• 1.5 PIC18F14K50 ICD Debug Header

  11
  • Figure 1-3: PIC18F14K50 Populated MPLAB ICD 2 Debug Header

    11
• 1.6 “Getting Started with Microchip’s Low Pin Count USB Solutions” Self-Directed Course

  11
• 2.1 Introduction

  13
• 2.2 Prerequisites

  13
• 2.3 Resources Required to Complete Project Labs

  13
• 2.4 Project Lab 1 (Enumeration)

  14
  • 2.4.1 Purpose

    14
  • 2.4.2 Procedure

    14
    • 2.4.2.1 BUILDING THE FRAMEWORK

      14
    • Figure 2-1:

      15
    • Figure 2-2: Project Window for Lab 1

      16
    • Figure 2-3: Configuring for Microchip USB Firmware Framework

      17
    • Testing The Application

      21
• 2.5 Project Lab 2 (HID Mouse)

  22
  • 2.5.1 Purpose

    22
  • 2.5.2 Overview of the HID Mouse Firmware

    23
    • Figure 2-4: Flowchart for the emulate_mouse()

      23
  • 2.5.3 Procedure

    24
    • Testing the Application

      25
• 2.6 Project Lab 3 (HID Keyboard)

  26
  • 2.6.1 Overview of the HID Keyboard Firmware

    26
    • Figure 2-5: State Diagram for Keyboard()

      27
  • 2.6.2 Procedure

    28
    • Testing the Application

      31
• 2.7 Project Lab 4 (CDC – Serial Emulator)

  32
  • 2.7.1 Overview of the CDC – Serial Emulator Firmware

    33
    • Figure 2-6: FlowChart for CDC Serial Emulator Code

      33
    • Figure 2-7: CDCTxService( ) State Diagram

      35
  • 2.7.2 Procedure

    35
    • Figure 2-8: Creating a Sub-Folder in the Project Window

      36
    • Figure 2-9: Adding the usb_device.c File to the USB Stack Folder

      36
    • Figure 2-10: Project Window for Lab 4

      38
    • Installing Application Drivers

      41
    • Figure 2-11: Found New Hardware Wizard Window

      41
    • Figure 2-12: Selecting Software Location for Communications Port

      42
    • Figure 2-13: Directing Windows to the .inf File for the CDC – Serial Emulator Application

      43
    • Figure 2-14: Successful Software Installation Window

      43
    • Establish Communication

      44
    • Figure 2-15: Example List of Available COM Ports in the Device Manager

      44
    • Figure 2-16: Hyper Terminal Connection Description

      45
    • Figure 2-17: Hyper Terminal Connect to Window

      45
    • Figure 2-18: Hyper Terminal COM Properties Window

      46
    • Testing the Application

      46
    • Figure 2-19: Confirming RS-232 to USB Communication

      47
• Chapter 2. Getting Started Project Labs

  13
• A.1 Introduction

  49
  • Figure A-1: Low Pin Count USB Development Board Bill of Materals

    49
• A.2 Schematics

  50
  • Figure A-2: Pickit™ 2 USB Development Schematic

    50
  • Figure A-3: Pickit™ 2 Debug header

    51
• Worldwide Sales and Service

  54