background image

 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.

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

®

 systems that consist of an MGC3140 gesture controller

based on Microchip's GestIC technology and Gesture sensor.

Recommended Reading

For the latest information on using the device, read the 

“MGC3140 3D Tracking and Gesture Controller

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 

“Aurea Graphical User Interface User’s Guide”

(DS40001681) located on the Microchip website.

©

 2018 Microchip Technology Inc.

 User Guide

DS40002055A-page 1

Summary of Contents for MGC3140 GestIC

Page 1: ...ber 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 systems that consist of an MGC3140 gesture contro...

Page 2: ...rence Material 21 5 Revision History 22 The Microchip Web Site 23 Customer Change Notification Service 23 Customer Support 23 Microchip Devices Code Protection Feature 23 Legal Notice 24 Trademarks 24...

Page 3: ...mware FW 1 and parameterization combination for manufacture Note 1 Combines the FW and parameters that are in Aurea that were loaded onto the device Aurea does not read firmware from the device 1 1 1...

Page 4: ...MGC3140 Tuning Flow Map electrodes Load Firmware and starting parameters Select parameters to enable and data output Position Important Set sensing area and height limits Adjust jitter reduction Tune...

Page 5: ...e electrodes to the MGC3140 receive pins This feature provides Printed Circuit Board PCB layout flexibility Extended Allows detailed tuning Figure 3 2 Setup Basic Menu 3 1 Electrode Mapping The Analog...

Page 6: ...d the firmware and parameter file which will be used as a basis for the tuning using this window as described in the Aurea Graphical User Interface User s Guide DS40001681 Remember to select the Keep...

Page 7: ...ior shown in the table below Table 3 1 Flick Selection Double Flick Edge Flick Normal Flick Description 0 0 0 None Active 0 0 1 Only Normal Flick reported 0 1 0 Only Edge Flick reported 0 1 1 Normal a...

Page 8: ...Description DSP Status DSPStatus This field contains the Calibration events information and the currently used Tx frequency Gesture Data GestureInfo This field contains the recognized gestures Touch D...

Page 9: ...hat object is present and above the sensor GestureInfo Hand Hold The bit reports that object is present and not moving None Timestamp overflow indication De activates the 8 bit counter timestamp overf...

Page 10: ...ave left the sensing area before the calibration is performed the sensor is not influenced by the user during calibration The idle system is properly calibrated when the signal deviation of all channe...

Page 11: ...s are no longer detected 3 At this point noise amplitude is enough to trigger gesture start Noise is mixed with the performed gesture signal and no valid gesture is recognized This is approximately th...

Page 12: ...pecific application Minimum Arc Minimum Arc adjusts how many quadrants the user may rotate before the AirWheel counter starts A higher value means that a bigger arc has to be performed before the coun...

Page 13: ...t a hand can move and still be classified as holding Low values only a small movement is necessary to clear the Hand Hold flag High values the hand can move and the Hand Hold flag will stay high If th...

Page 14: ...ing for the presence of a hand The interval between scans is set by the Approach Scan Interval parameter The bigger the interval the lower the power consumption as shown in Figure 3 8 When detecting a...

Page 15: ...shold North East South West Center fields specify the SD values that have to be exceeded to validate the touch event The range is 0 to 32768 The horizontal darker line in the Level window is adjusted...

Page 16: ...e time can be adjusted using the corresponding slider with values between 0 and 1s Max Double Tap Interval The Double Tap is detected when the time between the release of a Single Tap and the consecut...

Page 17: ...The measurement process checks if the measured data is valid and if the environment is noisy When the data is not valid it is displayed in red in the measurement table If the variance of the signal w...

Page 18: ...essage reporting that there was noise detected during the last measurement Measurement variance exceeded threshold If the Delta is negative meaning that the reference level was higher than the one wit...

Page 19: ...n the hand movement It is likely that the real position does not fit the calculated position Use the slider of the four scaling parameters to reduce the grid size until it fits within the deformed pos...

Page 20: ...click on the slider and use the arrow keys on the PC keyboard The sub steps within the Maximum Distance Level step are as follows Set Z POS MAX to its maximum value Touch the surface and then slowly...

Page 21: ...n 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 MGC3140 Reference Mater...

Page 22: ...5 Revision History Revision Description Date A Initial release September 2018 MGC3140 Revision History 2018 Microchip Technology Inc User Guide DS40002055A page 22...

Page 23: ...n and follow the registration instructions Customer Support Users of Microchip products can receive assistance through several channels Distributor or Representative Local Sales Office Field Applicati...

Page 24: ...CryptoMemory CryptoRF dsPIC FlashFlex flexPWR Heldo JukeBlox KeeLoq Kleer LANCheck LINK MD maXStylus maXTouch MediaLB megaAVR MOST MOST logo MPLAB OptoLyzer PIC picoPower PICSTART PIC32 logo Prochip...

Page 25: ...ilities in Chandler and Tempe Arizona Gresham Oregon and design centers in California and India The Company s quality system processes and procedures are for its PIC MCUs and dsPIC DSCs KEELOQ code ho...

Page 26: ...52 China Xiamen Tel 86 592 2388138 China Zhuhai Tel 86 756 3210040 India Bangalore Tel 91 80 3090 4444 India New Delhi Tel 91 11 4160 8631 India Pune Tel 91 20 4121 0141 Japan Osaka Tel 81 6 6152 7160...

Reviews: