MG3130 gesture recognition kit

GestIC® Technology
Gesture Recognition Kit
https://www.pantechsolutions.ne
t/gesture-kit

© 2014 www.pantechsolutions.net All Rights Reserved. Slide 2
Agenda
Introduction
MGC3130 System
Core Features
(Colibri Suite)
Pantech Gesture Kit
Resources & Summary

intuitive fun
gadgets
Applications

Technology Basics –How it works

No Blind Spots

fast data sampling at 200 Hz
32-bit signal processing unit
mouse-like resolution of 150 dpi
super low noise analog front end
self calibration
70-130 kHz range - no RF interference
frequency hopping against noise
no environmental influences
self wake-up at 150 µW
field upgradable
Colibri Gesture Suite on-chip
Smart Features

Colibri Gesture Suite
wake-up on approach
x/y/z hand position
flick gestures
circle gestures
symbol gestures
Ease of Design
sensor signals
gestures
x/y/z

0
200
400
600
800
1000
1200
Battery Efficiency
mW
>
GestIC®
Technology
Other
45µA to
max 30mA!*
lowest power
90%
always-on

Low Power
9 µA
30 mA
Iavg
current
Deep Sleep
Mode
Self Wake-Up Mode
under self control with presence detection
Processing
Mode
under Host control Approach Scan Calibration Approach Scan Calibration Approach Scan full operation
* @ 3.3V, typical
IScan = 45 µA*
@ 150 ms scan
time
10-150ms
2sec-10sec
Note: Not relevant for gesture only apps!
ICalib = 440 µA*
@ 10 sec calib (incl. 150 ms Iscan)
IPeak = 30 mA*
Mobile friendly
Isleep = 9 µA*

Agenda
Introduction
MGC3130 System
Core Features
(Colibri Suite)
Pantech Gesture Kit
Resources & Summary

Near Field Sensing
Host Controller
MCU/APPS Processor
Electrode
E-Field
MGC3130
Digital
Position
Tracking
Gestures
Recognizer
Analog
GestIC® Technology
I2C™ Interface
Utilizes electrical
near field sensing to
sense user‘s action
MGC3130
processes
signals into
positions and
gestures
Host uses the
gesture data to
control the user
interface

MGC3130 System
Main System Building Blocks
MGC3130 Controller
Embedded GestIC® Technology
Library / Colibri Suite
External electrodes

MGC3130 System
low noise AFE
5 ch Rx / 1Tx
Storage
32k Flash / 12K RAM
28-pin QFN package
5 x 5 x 0.9 mm
4pin IO
2x I2C™ / SPI
E-field lines
Electrode
Colibri Suite

External Electrodes
Frame shape electrodes
1x Transmitter electrode Tx
4–5x Receiving electrodes Rx
2-Layer stack-up
Optional GND layer
MGC3130 System
South
West
East
Center
North
Top Rx Layer
Bottom Tx Layer
Rx
Tx
GND
Isolation
GND
Initially MGC3130 will only support
frame shape electrodes
with an aspect ratio of 1:1 to 1:2.

MGC3130 System
GestIC® Technology Library
Operational code for MGC3130 SPU
Binary preprogrammed in the chip’s flash memory
Configurable, updatable

Agenda
Introduction
MGC3130 System
Core Features
(Colibri Suite)
Sabrewing Evaluation Kit
Resources & Summary

Colibri Suite
Data acquisition
Digital signal processing
Interpretation
Included:
Signal Validation
Digital filtering
Automatic Frequency Hopping
Calibration
Output of data streams
Output of position / gesture events
Digital Signal Processing
Core Features
Colibri Suite
Position
Tracking
Gesture
Recognition
Approach
Detection
Frequency
Hopping
Calibration
Signal
Validation
Approach
Detection

Hidden Markov Model
Gesture Recognition
model to detect and
classify hand movement
patterns performed inside
the sensing area.
classification based
Gesture Recognition
Gesture begins when:
Entering the active space from outside
Moving after a resting period
Gesture ends when:
Resting within the active space
Leaving active space
Max. gesture duration exceeded
SensorSignalsSensorSignals
startstart timetimeendend
Sequence of sensor signals during a flickSequence of sensor signals during a flick

Position Tracking
Three-dimensional hand position over
time and area
Absolutely to the defined origin of the
Cartesian coordinate system (x, y, z)
Continuously acquired in parallel to
Gesture RecognitionPerformance:
Position rate: 200 positions/sec
Spatial resolution: up to 150 dpi
Parameterization:
Alpha2 release: Sabrewing 7”
Beta releases: Parameters variable to fit to customized
electrodes
Position xyzPosition xyz

Approach Detection for Power saving
Average current consumption in a calibration aware
Approach Detection Mode is 466 µA at VDD= 3.3V, 20
ms Approach Scans and 10 sec Calibration Scans
Wake-up signal from
host detected
Gesture detected
(Approach)
No user interaction
(Timeout)
t[s]
I
Ids=9uA
Ipeak=30mA
Iavg=50...700uA
(*)
Deep sleep Self Wake-Up Self Wake-UpProcessing
Calibration Approach scans
(*) depending on
use case

Dependencies for Custom Designs
Parameterization of AFE & DSP required
- Electrode design rules required
- Development Kit and reference designs
required
Analog Front End (AFE)
parameterization
DSP parameterization:
Tracking: Beta 1 release (CQ2)
Gestures: Beta 2 release (CQ3)
HMM Trainer: Beta 3 release (CQ4)GestIC Design Guide:
Beta 1 release (CQ2)
Hillstar + Aurea Tooling:
Beta 1 release in (CQ2)

Agenda
Introduction
MGC3130 System
Core Features
(Colibri Suite)
Pantech Gesture Kit
Resources & Summary

MGC3130 Pantech Single Zone Evaluation Kit
Pantech Gesture Kit
1. Microchip MGC3130 MCU
2. Built in 7” electrodes
3. I²C™ to USB bridge (PIC)
4. USB powered
and Microchip Colibri Suite

Electrodes and Usage
Built in 7” electrodes
3 Layer PCB
(Rx – Tx - GND)
Parameterization for
45° hand posture
Rx electrode Rx electrode
Tx electrode
45° hand posture
Tx: 35 µm
Rx Electrode: 18 µm
GND: 18 µm
Not Used: 35 µm
935µm
1.546mm
540µm

MGC3130 Interface Model
Application Software
e.g. Aurea - GUI for MGC3130
Visualization and Control
GestIC® Technology API
Abstraction layer for MCG3130
messages
Bridge
Optional conversion of HW
interfaces (e.g. I²C™ to USB
withPIC 18F14K50)
For provisioning of data within the
OS an OS driver may be needed
GestIC Technology Library
Operational code for MGC3130
including Colibri Suite
Note: GestIC Technology library
streams Position data every 5 ms
and Gestures as they occur
MGC3130 Software Interface
Application Host
MGC3130
GestIC® API
- Message decoding
- Buffering
GestIC® Library
API Structures
Message Interface
Bridge
Application Host
MGC3130
- Message decoding
- Buffering
GestIC® Library
Message Interface
I²C
USB
I²C

Aurea Visualization Software
Evaluate Colibri Suite Discover Signals Setup MGC3130
1. Positions Tracking
2. Gesture Recognition
3. Demo applications
1. View signals
2. Write log file
3. Advanced features
1. Signal matching
2. Tx settings
3. Update GestIC Library

Pantech Gesture Start-up
Requirements
1. PC with Windows® XP, Windows 7 or
Windows 8 operating system and
USB 2.0 port
2. Sabrewing Evaluation Board
3. Latest MGC3130 software release
package

Agenda
Introduction
MGC3130 System
Core Features
(Colibri Suite)
Sabrewing Evaluation Kit
Resources & Summary

Resources
http://www.microchip.com/GestIC

MGC3130 Summary

Trademarks
The Microchip name and logo, the Microchip logo, dsPIC, KeeLoq, KeeLoq logo, MPLAB, PIC, PICmicro,
PICSTART, PIC32 logo, rfPIC and UNI/O are registered trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries.
FilterLab, Hampshire, HI-TECH C, Linear Active Thermistor, MXDEV, MXLAB, SEEVAL and The Embedded Control
Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A.
Analog-for-the-Digital Age, Application Maestro, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net,
dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, HI-TIDE, In-Circuit Serial Programming, ICSP,
Mindi, MiWi, MPASM, MPLAB Certified logo, MPLIB, MPLINK, mTouch, Omniscient Code Generation, PICC, PICC-
18, PICDEM, PICDEM.net, PICkit, PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC,
UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other
countries.
SQTP is a service mark of Microchip Technology Incorporated in the U.S.A.
All other trademarks mentioned herein are property of their respective companies.
© 2013, Microchip Technology Incorporated, All Rights Reserved.

MG3130 gesture recognition kit

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