Microchip Technology MGC3140 GestIC Tuning User's Manual
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Microchip Technology MGC3140 GestIC Tuning User's Manual

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MGC3140 GestIC® Tuning User's Guide

Preface

Important:  Notice to customers:
All documentation becomes dated, and this manual is no exception. Microchip tools and
documentation are constantly evolving to meet customer needs, so some actual dialogs and/or
tool descriptions may differ from those in this document. Please refer to our website
(www.microchip.com) to obtain the latest documentation available.
Documents are identified with a "DS" number. This number is located on the bottom of each
page, in front of the page number. The numbering convention for the DS number is
"DSXXXXXA", where "XXXXX" is the document number and "A" is the revision level of the
document.
Introduction
This document describes how to tune GestIC
based on Microchip's GestIC technology and Gesture sensor.
Recommended Reading
For the latest information on using the device, read the
Data Sheet"
(DS40002037) located on the Microchip website. The release notes (Readme) contain
update information and known issues that may not be included in this user's guide. For the latest
information on using the Aurea GUI, refer to the
(DS40001681) located on the Microchip website.
©
2018 Microchip Technology Inc.
®
systems that consist of an MGC3140 gesture controller
"MGC3140 3D Tracking and Gesture Controller
"Aurea Graphical User Interface User's Guide"
User Guide
MGC3140
DS40002055A-page 1

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Summary of Contents for Microchip Technology MGC3140 GestIC

  • Page 1: Preface

    MGC3140 MGC3140 GestIC® Tuning User's Guide Preface Important:  Notice to customers: All documentation becomes dated, and this manual is no exception. Microchip tools and documentation are constantly evolving to meet customer needs, so some actual dialogs and/or tool descriptions may differ from those in this document. Please refer to our website (www.microchip.com) to obtain the latest documentation available.

  • Page 2: Table Of Contents

    The Microchip Web Site....................23 Customer Change Notification Service................23 Customer Support......................23 Microchip Devices Code Protection Feature..............23 Legal Notice........................24 Trademarks........................24 Quality Management System Certified by DNV.............25 Worldwide Sales and Service..................26 User Guide DS40002055A-page 2 © 2018 Microchip Technology Inc.

  • Page 3: Introduction

    Content.json – Describes the contents of the .enz file. Note:  Aurea will not program the bootloader if the current bootloader in the MGC3140 has the same version as in this file. User Guide DS40002055A-page 3 © 2018 Microchip Technology Inc.

  • Page 4: Tuning Flow

    Configure electrode dimensions E-Field Linearization Set sensing area and height limits Position Important? Adjust jitter reduction Tune Calibration Tune Gestures Tune Presence Hold and Approach Tune electrode touch if required Tuning Complete User Guide DS40002055A-page 4 © 2018 Microchip Technology Inc.

  • Page 5: Tuning

    The settings are adjusted using the corresponding radio buttons or sliders. • Electrode Selection The optional Center electrode can be enabled or disabled by checking the four electrodes (no Center) or five electrodes (with Center) check boxes. User Guide DS40002055A-page 5 © 2018 Microchip Technology Inc.

  • Page 6: Extended Parameterization

    Setup tab, or disconnecting or resetting the MGC3140, and require another firmware and parameter download before becoming visible again. Figure 3-3. Extended Parameter Window 3.2.2 System Start-up Window This window provides the following features: User Guide DS40002055A-page 6 © 2018 Microchip Technology Inc.
  • Page 7 Circles/AirWheel: Discrete Circles and AirWheel are exclusive. The Airwheel has higher priority than discrete circles. When the AirWheel is enabled, only AirWheel information will be reported. To use the Discrete Circle gestures, AirWheel must be disabled. User Guide DS40002055A-page 7 © 2018 Microchip Technology Inc.
  • Page 8 If set, AirWheel counter is only reported when a change of at least four bits has occurred. Note:  ® Payload Element names are those defined in the "MGC3140GestIC Library Interface Description User's Guide" (DS40001875). User Guide DS40002055A-page 8 © 2018 Microchip Technology Inc.
  • Page 9 Touch time-out – where a touch has been detected for the Touch Calibration Time-out period (configured in the Calibration Time-out window). Negative Value – when SD achieves invalid negative values less than -4 for 100 ms (cannot be configured). User Guide DS40002055A-page 9 © 2018 Microchip Technology Inc.
  • Page 10 The Detection Sensitivity slider 1 can take values between 0 and 3. The figure below shows the variation of the SD against sensitivity to provide reliable gesture detection. User Guide DS40002055A-page 10 © 2018 Microchip Technology Inc.
  • Page 11 1 taking values from 0 to 1.25s. If Gesture Suppression Time is active (>0), touch detection also aborts ongoing gesture recognition. If the Touch Detection feature is disabled, this feature has no impact. User Guide DS40002055A-page 11 © 2018 Microchip Technology Inc.
  • Page 12 Discrete Circles. When the AirWheel is enabled, then only AirWheel information will be reported. To use the Discrete Circles gestures, the application has to enable the clockwise and/or counterclockwise gestures and disable the AirWheel. Related Links 3.2.2 System Start-up Window User Guide DS40002055A-page 12 © 2018 Microchip Technology Inc.
  • Page 13 Duration starts counting on the rising edge of the Hand Inside Status flag. The use of the Active Outside flag requires accurate knowledge of the sensor dimensions and accurate position reporting. Related Links User Guide DS40002055A-page 13 © 2018 Microchip Technology Inc.
  • Page 14 Approach scan period ms Note:  AFA = Automatic Frequency Adaption 3.2.6.2 Approach Range The approach range is determined by the sensor configuration, size and sensitivity setting, as shown in the figure below. User Guide DS40002055A-page 14 © 2018 Microchip Technology Inc.
  • Page 15 • Touch each electrode in its geometric center and change the hand posture. If Touch state becomes released although the user is still touching, the Release Threshold needs to be decreased. User Guide DS40002055A-page 15 © 2018 Microchip Technology Inc.
  • Page 16 To start position parameterization, the user needs to input the electrode dimensions. The figure below shows how to measure the electrode dimensions. Adjust the electrode X and Y distances by using the respective slider. Figure 3-10. Electrode Dimensions Electrode X distance NORTH Sensing Space SOUTH User Guide DS40002055A-page 16 © 2018 Microchip Technology Inc.
  • Page 17 (10 mm, 30 mm, 50 mm and 80 mm). Always use a Styrofoam spacer User Guide DS40002055A-page 17 © 2018 Microchip Technology Inc.
  • Page 18 POS MAX, Y POS MIN and Y POS MAX. The grid of the 2D-position plot in the Visualization window will be scaled if a slider of these parameters is moved. Figure 3-11. Sensing Area Hand Path NORTH Hand Path SOUTH User Guide DS40002055A-page 18 © 2018 Microchip Technology Inc.
  • Page 19 The following graphic shows a typical position drawing and the parameter setting of the corresponding parameterization step. The grid and thus the scaling are changing with the parameter settings. Figure 3-12. Sensing Area Tuning Examples User Guide DS40002055A-page 19 © 2018 Microchip Technology Inc.
  • Page 20 3.2.13.2 Speed Perform hand gestures to check the tracking speed in the Position Tracking window. Adjust the Speed parameter value to speed up or to slow down the tracking speed. User Guide DS40002055A-page 20 © 2018 Microchip Technology Inc.

  • Page 21: Reference Material

    MGC3140 GestIC Library Interface Description User’s Guide (DS40001875) • Aurea Graphical User Interface User's Guide (DS40001681) ® • GestIC Design Guide (DS40001716) • MGC3140 3D Tracking and Gesture Controller Data Sheet (DS40002037) User Guide DS40002055A-page 21 © 2018 Microchip Technology Inc.

  • Page 22: Revision History

    MGC3140 Revision History Revision History Revision Description Date Initial release September, 2018 User Guide DS40002055A-page 22 © 2018 Microchip Technology Inc.

  • Page 23: The Microchip Web Site

    Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. • Microchip is willing to work with the customer who is concerned about the integrity of their code. User Guide DS40002055A-page 23 © 2018 Microchip Technology Inc.

  • Page 24: Legal Notice

    SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries.

  • Page 25: Quality Management System Certified By Dnv

    MGC3140 © 2018, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. ISBN: 978-1-5224-3493-1 Quality Management System Certified by DNV ISO/TS 16949 Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California ®...

  • Page 26: Worldwide Sales And Service

    New York, NY Sweden - Stockholm Tel: 631-435-6000 Tel: 46-8-5090-4654 San Jose, CA UK - Wokingham Tel: 408-735-9110 Tel: 44-118-921-5800 Tel: 408-436-4270 Fax: 44-118-921-5820 Canada - Toronto Tel: 905-695-1980 Fax: 905-695-2078 User Guide DS40002055A-page 26 © 2018 Microchip Technology Inc.

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