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MGC3130 Aurea Graphical User Interface User Guide

1. Table 3 1 explains the data fields of the decoded messages TABLE 3 1 DATA Running Indicates if DSP operating mode is running Possible values 1 Running 0 MGC is going into Self Wake up mode Tx working frequency in kHz Range 44 115 Position Positions are logged any time the GestIC Library detects a valid position The data give the position of the user s hand in the Cartesian coordinate system Position data of 0 0 0 represent the origin of the coordinate system and data of 65535 65535 65535 are the maximum dimension of the sensing space For coordinate system orientation and origin refer to Section 2 1 1 Colibri Suite Tab Pos x Range 0 65535 Pos y Range 0 65535 Pos z Range 0 65535 Uncalibrated The Uncalibrated Signal CIC is logged when Uncalibrated Signal or Noise Signal Level is selected in the Signals tab CIC S South Range 3 402823e 38 3 402823e 38 CIC W West Range 3 402823e 38 3 402823e 38 CIC N North Range 3 402823e 38 3 402823e 38 CIC E East Range 3 402823e 38 3 402823e 38 CIC C Center Range 3 402823e 38 3 402823 e 38 Signal Signal Deviation SD is logged when Signal Deviation or Signal Deviation Deviation Mean is selected in the Signals tab or when Colibri Suite tab is active SD S South Range 3 402823e 38 3 402823e 38 SD W West Range 3 402823e 38 3 402823e 38 SD N North Range 3 402823e 38 3 402823e
2. 2013 Microchip Technology Inc DS40001681C page 19 MGC3130 Aurea Graphical User Interface User s Guide 2 1 2 1 2 Circular Gestures A circular gesture is a round shaped hand movement defined by direction clockwise counterclockwise without any specific start position of the user s hand Two types of circular gestures are distinguished by Gest a Discrete Circles Discrete Circles are recognized after performing a hand movement inside the sensing space The recognition result direction clockwise counterclockwise is provided after the hand movement stops or the hand exits the detection area Discrete Circles are typically used as dedicated application control commands b AirWheel An AirWheel is the recognition of continuously performed circles inside the sensing space and provides information about the rotational movement in real time It starts after at least one quadrant of a circle is recognized and provides continuously counter information which increments decrements according to the movement s direction clockwise counterclockwise The counter step size can be adjusted for convenient usage in various applications like volume control sensitivity adjustment or light dimming Discrete Circles and AirWheel are exclusive Colibri RTC supports circular gestures as listed in Table 2 2 The gestures can be individually enabled and disabled by checking and unchecking the respective check boxes TABLE 2 2 CIRCULAR GESTURES
3. Calibration Min Z Position Level Min Duration Max Duration Flick West gt East Flick East gt West Flick South gt North E ama EI 110 ms e E 1200 ms 10m El 300 ms 10 ms e 300 ms 10 ms 1300 ms 125ms GE 2000 ms 125ms GL _ 2000 ms INK LE H USR Flick North gt South Circle Clockwise Circle Counter Clockwise INNA ol e a NII K i Detection Sensitivity LG Recognition Aggressiviiy C 8 Gesture suppression time wa TH after touch event q 0 05s 2013 Microchip Technology Inc DS40001681C page 49 MGC3130 Aurea Graphical User Interface User s Guide 2 3 2 10 APPROACH DETECTION The Real Time Control part of this step covers all parameters controlling Approach Detection feature see Figure 2 47 e Approach Electrode selection to select which electrodes are active during Approach Detection mode e Settings Sensitivity to adjust the wake up sensitivity High values will lead to a more sensitive wake up behavior false approach Low values reduce false wake ups Scan Interval to adjust the Approach Scan timing interval Idle Time out to adjust the inactivity time after which the system will enter the Approach Detection mode Calibration Start Scan Interval to adjust the start Calibration Scan timing interval Calibration Final Scan Interval to adjust the final Calib
4. Noise Power Uncalibrated Signal CIC Data Signal Deviation SD Data Table 2 7 lists the payload elements of the Sensor Data Output message TABLE 2 7 SENSOR DATA OUTPUT DSP Status This field contains the Calibration events information and the currently used Tx frequency Gesture Data This field contains the recognized gestures Touch Data This field contains the Touch events information AirWheel Data This field contains the AirWheel information Position Data This field contains the X Y and Z position data Noise Power This field contains the current measured signal variance Uncalibrated Signal CIC Data This field contains the Uncalibrated Signal CIC data Signal Deviation SD Data This field contains the Signal Deviation SD data Note A detailed description of the CT message format can be found in the WGC3130 GestIC Library Interface Description User s Guide DS40001718 Active Features The Colibri Suite features can be active or disabled on start up see Figure 2 24 e Enabled Gestures It selects the gestures which are active after start up Up to eight gestures can be selected Flick Circular Gestures and Touch Approach Detection to select if the Approach Detection feature is enabled at start up AirWheel to select if the AirWheel feature is enabled at start up e Touch Detection to select if the Touch Detection feature is enabled at start up FIGURE 2 24 ACTIVE
5. 2 2 2 9 Autoz m Chi Bi Aaa 25 2 2 2 6 Signal Drop down LISU ii aa 25 2 2 2 Automatic Frequency Hopping User 25 2 2 2 8 Force Calibration Button ccc cccccccceeeceeeeseeeseeeeeeeeseeeseeeeseeees 25 E e WEE EE 26 2 30 Flash leie A EE 26 2 3 2 Colibri Parameterization ccccccsscccsecceeeccececeeeceueceueeceeeceueceueeseeecsueseeeess 28 2 3 2 1 Start New Parameterization w wwwemwmamanwanwwamwmamaa 28 23 22 Load MOM EE 29 2 3 2 3 Parameterization Progress State ww wwmmma 30 2 3 2 4 Parameterization Navigation 30 2 3 2 5 Parameterization Options soani a a a 31 2 3 2 0 Analog Fron ENG AFE J spiris ernan a a E 32 E F OVSE Stal UD EE 34 E ER POSION Le ue WEE 36 2013 Microchip Technology Inc DS40001681C page 3 Table of Contents 2 3 2 9 HMM Gesture Recognition 46 2 3 2 10 Approach Detection 50 Kr Ga TOUCH Detection EE 51 SEENEN aa 52 Za INOISC e EE 54 293 e E Gesture PON EE 55 2 3 2 15 Save Parameterization ww wwmwwnmamzamwnwanwanzamwaza 57 2 3 3 Electrode Capacitance Measurement w w wwwmwamaamwnwanwwnwamazamamunwwa 58 2 3 3 1 Step 1 Initial Measurement VRX nannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennne 59 2 3 3 2 Step 2 Measurement with Auxiliary Capacitors V Rx 60 Chapter 3 Advanced Aurea Features 3V Logging Sensor Data EE 62 SUA a LOO EE
6. Discrete Circles Gu Oe Circle counter clockwise 2 1 2 1 3 Sensor Touch Gestures A Sensor Touch is a multi zone gesture that reports up to five concurrently performed touches on the system s electrodes sensor Touch provides information about Touch and Tapping a Touch The Sensor Touch indicates the event during which a Gest electrode is touched This allows for example the distinction between short and long touches b Tap and Double Tap The Tap and Double Tap signalize short taps and double taps on each system electrode The Tap length and Double Tap interval are adjustable Gesture Recognition Notes Note 1 The gesture recognition software provides a garbage model to classify unintended gestures 2 Individual gestures can be enabled or disabled within RTC Reducing the gesture set will increase the recognition rate 3 Discrete Circles and AirWheel gestures are exclusive The activation of AirWheel will automatically deactivate the Discrete Circle gestures DS40001681C page 20 2013 Microchip Technology Inc Aurea Tabs 2 1 2 2 APPLICATIONS Four applications can be launched in RTC s Slide Show e Cursor Control s Full Screen Cube e Windows 8 Integration available only when Aurea is running on Windows 8 2 1 2 2 1 Slide Show Slide Show allows the user to control applications by using gestures Three simple flick gestures are mapped to predefined keys emulating keystrokes see Table 2 3 TAB
7. working frequency automatically The frequencies which are used by the AFA algorithm can be selected by checking the desired frequency box to enable it red color Press it again to exclude this frequency gray color This forces the system to continuously use only the selected frequencies The following frequencies are available 44 kHz 67 kHz 88 kHz 103 kHz and 115 kHz 2 1 2 3 4 Force Calibration Button Press Force Calibration to calibrate the sensor manually Make sure the sensor is not influenced by the user when executing a calibration The idle system is properly calibrated when the Signal Deviation of all channels is at or near zero DS40001681C page 22 2013 Microchip Technology Inc Aurea Tabs 2 2 SIGNALS 2 2 1 Signals Visualization Tab The Signals tab plots the data streamed from the MGC3130 over time see Figure 2 6 The unit of the signals is digits On start up Aurea plots Signal Deviation data The user can select the following signals in RTC refer to Section 2 2 2 6 Signal Drop down List e Uncalibrated Signal e Signal Deviation e Signal Deviation Mean e Noise Level Note When the Approach Detection Power Saving feature is enabled the MGC3130 controller is set to Sleep when no hand is present and the processing indication is turned off In addition the signal stream stops and the tab background turns gray When a hand approaches the sensing area the system will wake up FIGURE 2
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9. 38 SD E East Range 3 402823e 38 3 402823e 38 SD C Center Range 3 402823e 38 3 402823e 38 Touch Touch is logged any time a touch is recognized Bit 0 Touch South electrode Bit 1 Touch West electrode Bit 2 Touch North electrode Bit 3 Touch East electrode Bit 4 Touch Center electrode Tap Tap is logged any time a Tap is recognized Bit 0 Tap South electrode Bit 1 Tap West electrode Bit 2 Tap North electrode Bit 3 Tap East electrode Bit 4 Tap Center electrode Double tap Double Tap is logged any time a Double Tap is recognized Bit 0 Double Tap South electrode Bit 1 Double Tap West electrode Bit 2 Double Tap North electrode Bit 3 Double Tap East electrode Bit 4 Double Tap Center electrode AirWheel AirWheel is logged any time an AirWheel is recognized The counter value which indicates how far the AirWheel rotation has progressed is logged Gesture Gestures are logged any time a gesture is recognized Gesture info is given in plain text DS40001681C page 64 2013 Microchip Technology Inc Advanced Aurea Features 3 2 SENSITIVITY PROFILE ACQUISITION The sensitivity profile gives information about the system performance and thus is essential when benchmarking individual GestIC systems It is defined as signal deviation measured over positions and acquired by moving a defined measuring object hand brick over the sensitive area from one side to the other While recording sensitivity profil
10. 6 d Colibri suite SIGNALS TAB WINDOW Setup em em em em em dl em em em em em elen e en en em em d mn wm em em wm el wm em em em em eben en en em en TETEE em ellen e wm em en em a wm em e em mm el wm e em mm em eben em em en en em lh TETEE em em em em em n wm em wm em em el TEE en em em em em d e wm em em wm ellen e e em em em a om em em emt em el wm em em em em el zz zm mn zb e mz e zm zl zm zz zz bz zm zm zm zm zl zm sn zm ze ck zz zm e zm zb e zm zm zm zm len zz zm zz ka zz zz zm sl zm sn zm zm zm zk zm zm e zm ze zb zm e zm zm zm de zm zz zc bk zs e ee el UA WAL eres Kaes ee aa Vee ees Cie DEE Jet IA WA AA AA AA WA AOA BI io OO WA wa aa Wa Wa aaa Rel neo Wai ahaaa ha Wa Aa aa aa Wa ege TT TH H IT E DT H ee a VTT en TH TT UANIIYAISEDWA Ca zz zz zb zm zm zm zm zl zm zz zz bz zz zm zm zl e zm zm zm zm zk zs zz e zm zb e zm e zm zm le zz zz ba zz e zm zm zl zm e zm zm zm cke zm zm e a hb zm zm zm zm zm le nz zz zc bk ze ee Seam ee ae eae eS ma maa wa am ja sa za See gee eS sa Saja eS ee SSS eee Sees SP ees Sees Sees ees eq ess se Wa Wa maai Wa ke TEE TT TE DE wem wm wm wm wm al wm wm wm ewe dae wm wm wm wm wm A wm zm wm wm wm AU SL CORTE wm zm wm wm wm n wm wm wm wm do ee wb o wm wm wm wm d wm wm wm seeee eee See ees ef see effi es es e eebe em ee rrr 2013 Microchip Technology Inc DS40001681C page 23 MGC3130 Aurea Graphical User Interface User s Guide 2 2 2 Signals Real Time Control
11. 62 3 1 2 Log File Content and Format EE 63 3 2 Sensitivity Profile Acquisition ccccecceeeceseceeeceeeceeeeeuecaueceaeeeeeseeeseeesaeens 65 3 2 b DENSOr lee Le EE 65 3 2 2 MBISE E EE 65 le Le ee 66 SIE AE e 67 Se UE E 67 3 3 3 Saleae Hardware Connection cc ccccceccceeeceeeeceeeceeeeeeecaeecseeseeeseeenass 67 3 3 4 Running Aurea with Saleae w wwwwmwmawwnwanuwanwanzanzanuwanunawa 67 Appendix A Glossary 2013 Microchip Technology Inc DS40001681C page 4 MGC3130 AUREA GRAPHICAL USER INTERFACE MICROCHIP USER S GUIDE Preface 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 web site 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 For the most up to date information on development tools see the MPLAB IDE online help Select the Help menu and then Topics to open a list of available online help files INTRODUCTION This chapter contain
12. FIGURE 2 34 E FIELD LINEARIZATION MEASUREMENT DOWN COUNTER FIGURE 2 35 E FIELD LINEARIZATION MEASUREMENT TIME OUT Removing the brick and pressing the button Start Measurement will trigger the reference measurement A progress bar will occur in the Visualization window The brick and reference measurements are displayed in addition to signal deviation Delta see Figure 2 36 FIGURE 2 36 E FIELD LINEARIZATION MEASUREMENT RESULTS aen ei e Lal al asi J The measurement process checks if the measured data are valid or not and if the environment is noisy or not When the data are not valid it will be displayed in red in the measurement results table The user has to check noise sources PC ground hand brick not connected to ground and repeat the measurement Once the E Field Linearization step is finished press the Confirm Values button DS40001681C page 40 2013 Microchip Technology Inc Aurea Tabs 2 3 2 8 4 Sensing Area The Sensing Area parameterization step is intended to adapt the calculated X Y position to the real electrode dimensions of the system This is done by setting the four scaling parameters X POS MIN X POS MAX Y POS MINandyY POS MAX The grid of the 2D Position plot in the Visualization window will be scaled if a slider of these parameters is moved The Apply button will apply the current setting and will rescale the Visualization window according to the current setting
13. High values will lead to a more lethargic system behavior A high jitter reduction setting will also slow down the tracking speed and the other way around Speed Use hand gestures to check the tracking speed and track the speed using the Position Tracking window Increase or decrease the Speed parameter value to speed up or to slow down the tracking speed FIGURE 2 44 FILTER ADJUSTMENT Filter Adjustment Jitter Reduction H Ga high 2013 Microchip Technology Inc DS40001681C page 45 MGC3130 Aurea Graphical User Interface User s Guide 2 3 2 9 HMM GESTURE RECOGNITION The Colibri Suite uses Hidden Markov Models HMM providing user independent gesture recognition Gesture recognition starts when a hand enters the sensing area or when a movement is detected after a resting period A gesture ends when the hand leaves or rests inside the sensing area Gestures can have various sizes and can be performed at various speeds within defined limits For instance gesture recognition does not trigger when the movement of a gesture is very slow or particularly fast The gestures settings provided within this step are see Figure 2 46 e Trigger Calibration e Z Position Limit for Gesture Recognition e Minimum and Maximum Duration e Detection Sensitivity e Recognition Aggressivity e Suppression Time These parameters can be modified by using the respective slider For fine tuning of the parameters click on the slider and use t
14. Inc DS40001681C page 62 Advanced Aurea Features 3 1 2 The log file is a text file containing consecutive messages separated by line feeds Individual data fields are tab separated The kind of data being logged depends on the active Aurea tab and the content displayed inside If there are data which are not logged the respective data fields are kept empty An example of the log file is shown in Figure 3 1 Log File Content and Format FIGURE 3 1 LOG FILE GestIC Library HillstarV01 1 0 0 ID9000r1849 GestIC CDC Bridge 2 21 TIME s DATA Running fTx Pos x TIME s MESSAGE Byte 2 CICS CICW CICN CICE CICC AirWheel Gesture Posy Posz 0 008 MESSAGE MESSAGE MESSAGE DATA 1 MESSAGE MESSAGE MESSAGE 08 Ap BD 4A 44 9B 91 82 51 20 B7 83 33170 0 33175 0 19 AC 3F 33596 2 33593 5 19 50 CO 33602 8 19 44 45 44 33784 3 19 2A 43 8B 33671 2 33600 4 2E 8C 44 24 09 D7 34149 7 33713 1 B2 8C 60 AE 00 00 00 34153 1 33716 7 4A 8C 44 DA 00 50 34163 3 33725 2 46 3F 9D OF 34440 4 0B 14 BC 2A 34193 5 20 50 AB 4D 34144 1 33712 4 34 49 D2 34168 1 08 44 00 34169 3 04 68 D6 34185 4 480 1 34274 1 07 OF CA 34169 1 Flick West gt East Flick South gt North Circle counterclockwise 2013 Microchip Technology Inc DS40001681C page 63 MGC3130 Aurea Graphical User Interface User s Guide
15. Selection 0 1 Electrode Selection Double Tap Wake up after Approach Detection MGC31 30 Pins Events mapping E101 2 3 6 7 EventOutput 1 A EventOutput 8 The sub steps within the Gesture Port settings step are the following 1 Event The first step is to choose the event input This event can be one of the following Gesture Touch Single Tap Double Tap Wake up after Approach Detection 2 Gesture Electrode Depending on the selected event input it is either possible to choose flicks or discrete circles for a gesture event If a Touch Single or Double Tap event is intended to trigger it is possible to select one of the available electrodes There is no further option for the Approach event 3 Pin Selects the ElO s on which will be mapped the events outputs This setting can be any combination of ElO1 2 3 6 or 7 for each event output 4 Action The Action dropdown configures the pin with a special function which will happen on the event It is possible to set the pin permanently high or low with all events With gestures it is further possible to toggle the pin and to pulse it every 5 ms In addition to the permanent high or low switch the approach event allows a switch high or low while the approach is detected The Touch event allows all available functions permanent switch high low toggle pulse 5 ms and switch high low while holding the finger on the electrode see Fi
16. Slide Control bag History Cursor Control EE 11 26 48 Gesture Flick East gt West 11 26 50 Calibration Gesture triggered E a e z e 11 26 50 Gesture Flick East gt West Windows 8 Integration I 11 26 51 Calbraton Values Margin 11 26 51 Calibration Gesture triggered 11 26 52 Gesture Flick East gt West 11 26 56 Gesture Flick South gt North 11 26 58 Gesture Flick South gt North 11 26 59 Calibration Values Margin 11 26 59 Gesture Flick South gt North d 11 27 01 Gesture Flick South gt North 11 27 05 Calibration Values Margin 11 27 05 Gesture Flick North gt South 11 27 06 Gesture Flick North gt South Status bar 1 2 1 Aurea Tabs The visualization of the DSP output sensor signals and the setup of the Colibri Suite are shown in three individual Aurea tabs which can be selected from the upper part of the window e Colibri Suite shows the output of digital signal processing e Signals plots various sensor signals over time e Setup allows Gest Library update Analog Front End adjustments Colibri parameterization and electrode capacitances measurements 2013 Microchip Technology Inc DS40001681C page 11 MGC3130 Aurea Graphical User Interface User s Guide 1 2 2 Real Time Control Real Time Control RTC can be opened and closed by clicking the arrow in the upper left corner of the Aurea window RTC contains context sensitive settings which depend on the active Aurea tab A
17. The Clear button will reset the position drawing see Figure 2 37 FIGURE 2 37 SENSING AREA LIVE PREVIEW Apply Clear Force Calibration The sub steps within the Sensing Area step are the following a While touching the device move with the hand posture which is typical for the application along the maximum XY positions which you would like to reach in your application see Figure 2 38 Repeat the hand moving along the maximum XY position approximately 10 times to get a more meaningful drawing The 2D signal plot in the Visualization window draws the calculated position based on the hand movement The real position is likely not to fit the calculated position b Use the slider of the four scaling parameters to reduce the grid size until it fits within the deformed position drawing see Figure 2 30 c Press Apply and check if it is now possible to reach all XY positions with the same hand movement d Press Next if you can reach all positions If not adjust the sliders and press Apply again until the positioning meets your expectation FIGURE 2 38 SENSING AREA HAND MOVEMENT 2013 Microchip Technology Inc DS40001681C page 41 MGC3130 Aurea Graphical User Interface User s Guide Figure 2 39 shows a typical position drawing and the parameter setting for the corresponding parameterization step The grid and thus the scaling change with the parameter settings FIGURE 2 39 SENSING AREA PARA
18. is located in the lower left corner FIGURE 2 2 SENSING AREA North electrode Sensing Area Center electrode Position origin Frame electrodes DS40001681C page 16 2013 Microchip Technology Inc Aurea Tabs The XY plot represents the XY position of the user s hand inside the sensing space If the user s hand is at the West side of the sensing space the cursor also appears on the West side within the position tracking plot Moving the hand to the East causes the cursor to follow The XYZ plot adds the third dimension The user can rotate the coordinate system in Aurea by using a computer mouse or by selecting one of four presettings located at the top of the window The available presettings are Perspective Parallel Top View and Front View as shown in Figure 2 3 FIGURE 2 3 XYZ PLOT Toggle Fullscreen Perspective Parallel Front View Top View 2 1 1 2 SIGNAL LEVEL The sensor signals are displayed in the Signal Level bar graphic To distinguish between the individual electrodes they are color coded according to their cardinal directions North East South West Center Approaching one electrode causes the respective signal to increase 2 1 1 3 HISTORY LOGGING The History Logging window lists important events like calibrations and the classification of gestures A complete log of messages and events is contained in the log file Refer to Chapter 3 Advanced Aurea Features for additional detail
19. 4 b0010 2 hF 1 where N is the total number of digits R is the radix and n is a digit Text in angle brackets lt gt Courier New font Plain Courier New asmty endasmy static Italic Courier New A variable argument file o where file canbe any valid filename Square brackets Optional arguments mccl18 options file options Curly brackets and pipe Choice of mutually exclusive errorlevel 0 1 character arguments an OR selection Ellipses Replaces repeated text var name AA eee Represents code supplied by void main void DS40001681C page 6 2013 Microchip Technology Inc Preface WARRANTY REGISTRATION Please complete the enclosed Warranty Registration Card and mail it promptly Sending in the Warranty Registration Card entitles users to receive new product updates Interim software releases are available at the Microchip web site RECOMMENDED READING This user s guide describes how to use the MGC3130 Aurea Graphical User Interface Other useful documents are listed below The following Microchip documents are available and recommended as supplemental reference resources MGC3130 Single Zone 3D Gesture Controller Data Sheet DS40001667 Consult this document for information regarding the MGC3130 3D Tracking and Gesture Controller MGC3130 GestiC Design Guide DS40001716 This document describes the MGC3130 system characteristic parameters and the design proc
20. CTRODE WEIGHTING ANIMATION BRICK POSITION Note Itis not necessary to adjust or correct the 30 mm Styrofoam spacer brick for the thickness of the target device s housing or for a decoration layer covering the electrodes The button Start Measurement will trigger the measurement After pressing the button a progress bar in the Visualization window will occur see Figure 2 28 FIGURE 2 28 ELECTRODE WEIGHTING PROGRESS BAR Start Measurement Wet ien 2013 Microchip Technology Inc DS40001681C page 37 MGC3130 Aurea Graphical User Interface User s Guide The reference needs to be measured within the next 10s to avoid influences from drifts A down counter is displayed in the Visualization window see Figure 2 29 If the reference measurement has not been acquired during these 10s a pop up window will be displayed see Figure 2 30 FIGURE 2 29 ELECTRODE WEIGHTING MEASUREMENT DOWN COUNTER FIGURE 2 30 ELECTRODE WEIGHTING MEASUREMENT TIME OUT Removing the brick and pressing the Start Measurement button will trigger the reference measurement A progress bar in the Visualization window will occur The brick and reference measurements are displayed in addition to signal deviation Delta see Figure 2 31 FIGURE 2 31 ELECTRODE WEIGHTING MEASUREMENT RESULTS The measurement process checks whether the measured data are valid and if the environment is noisy or not When the data are not
21. ES OR EXPENSES INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES OR OTHER SIMILAR COSTS DOCUMENT REVISION HISTORY Revision A February 2013 e Initial release of the document Revision B August 2013 e Updated to support Colibri Parameterization Updated chapters 1 2 and 3 e Aligned with Aurea GUI Version 0 4 20 or later Revision C November 2013 e Updated chapters 1 2 and 3 Updated Appendix A ee 2013 Microchip Technology Inc DS40001681C page 9 MGC3130 AUREA GRAPHICAL USER INTERFACE MICROCHIP USER S GUIDE Chapter 1 Overview 1 1 INTRODUCTION The Aurea evaluation software demonstrates Microchip s Gest technology and its features and applications Aurea provides visualization of MGC3130 generated data and access to GestiC Library controls and configuration parameters That contains the following e Visualization of hand position and user gestures e Visualization of sensor data e Control of sensor features e MGC3130 GestIC Library update e Analog Front End parameterization e Colibri Signal Processing parameterization e Electrode capacitance measurement e Logging of sensor values and storage in a log file e Sniffing of MGC3130 CT traffic via Saleae Logic Analyzer 1 1 1 Install Aurea To install Aurea on your system e Download and install the MGC3130 software package 1 1 2 Running Aurea Aurea requires Windows XP Windows 7 or Windows 8
22. FEATURES Active Features 2013 Microchip Technology Inc DS40001681C page 35 MGC3130 Aurea Graphical User Interface User s Guide 2 3 2 8 POSITION TRACKING This section describes the Position Tracking feature parameterization 2 3 2 8 1 Electrode Dimensions As a starting point the user needs to input the electrode dimensions Figure 2 25 shows how to measure the electrode dimensions FIGURE 2 25 UNEQUALIZED SENSING SPACE lt q __ELECTRODE_XDISTANCE _ gt North electrode Un equalized Sensing space q S z Adjust the electrode K and Y distances by using the respective slider see Figure 2 26 For fine tuning click on the slider and use the arrow keys on your PC keyboard FIGURE 2 26 PARAMETERIZATION STEP ELECTRODE DIMENSION Electrode Distances Electrode X Distance 3 95mm Electrode Y Distance E 60mm DS40001681C page 36 2013 Microchip Technology Inc Aurea Tabs 2 3 2 8 2 Electrode Weighting During the Electrode Weighting step five measurements with brick and five corresponding reference measurements without a brick are conducted at a constant Z level of 30 mm Always use the 30 mm Styrofoam spacer brick to establish the distance between hand brick and electrodes The drawing in the Electrode Weighting step will show where to place the brick for the current measurement West North East South and Center see Figure 2 27 FIGURE 2 27 ELE
23. FIGURE 2 14 PROGRESS STATE Colibri Parameterization System Start Up Position Tracking HMM Gesture Recognition Approach Detection Touch Detection Air Wheel Noise Power Gesture Port Save Parameterization 2 3 2 4 PARAMETERIZATION NAVIGATION Navigation within the parameterization steps will be done with the two buttons Back and Next see Figure 2 15 Do not skip steps during parameterization as this will result into a non functional system Note The Next button is used to apply the parameters of a parameterization step Please finish each step with Next FIGURE 2 15 NAVIGATION Exit Parameterizaton Clicking the Exit Parameterization button will open a dialogue where the user can decide whether or not to save the settings that have already been adjusted Save or close the parameterization without saving the settings Discard Clicking Cancel will bring the user back to the Colibri Parameterization see Figure 2 16 FIGURE 2 16 EXIT DIALOGUE DS40001681C page 30 2013 Microchip Technology Inc Aurea Tabs 2 3 2 5 PARAMETERIZATION OPTIONS The parameterization options elements are valid for all Colibri Parameterization steps and are always visible across all windows They can be accessed in the upper right corner within the parameterization wizard see Figure 2 17 These static control elements are e Revert to saved Press this button to retrieve the previous saved setting e Show Hide Instru
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25. LE 2 3 GESTURE SUPPORT IN SLIDE SHOW Flick East to West Right arrow AirWheel Fast forward or backward For example control Microsoft PowerPoint with gestures as follows 1 Click Slide Show in the Applications section 2 Open a Microsoft PowerPoint presentation of your choice 3 Perform flick gesture from South to North to start presentation 4 Perform flick gesture from East to West to go to next slide 5 Perform flick gesture from West to East to go to previous slide 6 Use the AirWheel for fast forward or backward 7 Deactivate Slide Show within Aurea to quit 2 1 2 2 2 Cursor Control The Cursor Control application demonstrates the PC mouse cursor controlled by the MGC3130 Start the application and move the mouse cursor by sliding your hand over the sensing area of your Gest device Quit the application at any time by using the Escape key on your keyboard 2 1 2 2 3 Full Screen Cube The Full Screen Cube application demonstrates the Gesture Cube controlled by the MGC3130 Start the application and rotate the cube by moving your hand over the sensing area of your GestIC device Quit the application at any time by using the Escape key on your keyboard 2013 Microchip Technology Inc DS40001681C page 21 MGC3130 Aurea Graphical User Interface User s Guide 2 1 2 2 4 Windows 8 Integration Windows 8 allows the user to control Windows 8 features by using gestures Three simple flick gestures are mapped to p
26. METER ADJUSTMENT E Am Gls E Am Note Please experiment with those settings to improve the system linearity Typically the smaller the grid size the more linear the system behaves OO SSCSC C C SSCs DS40001681C page 42 2013 Microchip Technology Inc Aurea Tabs 2 3 2 8 5 Min Distance Level Similar to the Sensing Area step which was intended to adjust the XY positioning the Z positioning step is intended to adjust the Z position calculation Z position is adjusted through two steps minimum and maximum Z level The first step is to adjust the minimum Z distance level Z 0 by configuring the Z POS MIN parameter This parameter can be modified by using the respective slider see Figure 2 40 For fine tuning click on the slider and use the arrow keys on your PC keyboard FIGURE 2 40 TOUCH LEVEL PARAMETER ADJUSTMENT Z POS MIN Touch the surface of the sensing area with the typical hand posture for the application and adjust the slider of Z POS MIN until the green Z level illustrated in the 3D signal plot hits the zero level In this manner the zero level is the lowest level which is possible to reach in the 3D signal plot see Figure 2 41 The Z position must increase when the hand is moving up from the surface FIGURE 2 41 MIN DISTANCE LEVEL 2013 Microchip Technology Inc DS40001681C page 43 MGC3130 Aurea Graphical User Interface User s Guide 2 3 2 8 6 Max Di
27. MICROCHIP MGC3130 Aurea Graphical User Interface User s Guide Note the following details of the code protection feature on Microchip devices e Microchip products meet the specification contained in their particular Microchip Data Sheet Microchip believes that its family of products is one of the most secure families of its kind on the market today when used in the intended manner and under normal conditions There are dishonest and possibly illegal methods used to breach the code protection feature All of these methods to our knowledge require using the Microchip products in a manner outside the operating specifications contained in 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 Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code Code protection does not mean that we are guaranteeing the product as unbreakable Code protection is constantly evolving We at Microchip are committed to continuously improving the code protection features of our products Attempts to break Microchip s code protection feature may be a violation of the Digital Millennium Copyright Act If such acts allow unauthorized access to your software or other copyrighted work you may have a right to sue for relief under that Act Informatio
28. UES Levels LSBs SD North 653 3 SD East 333 Copy values to clipboard SD South SD West SD Center Note Due to the applied filter the Signal Deviation Mean signals show a delay of 10 seconds Make sure the signals are settled before using them 2013 Microchip Technology Inc DS40001681C page 65 MGC3130 Aurea Graphical User Interface User s Guide AA SNIFFING MODE Using a Saleae USB Logic Analyzer 8 or 16 channel Aurea GUI is also able to spy a Gest Library IC communication and displays the data streamed from the MGC3130 controller This can be used for observing data for system debugging Aurea uses the streamed data for XY Position Tracking plot 2D XYZ Position Tracking plot 3D Signal Level bar graph Gesture Indication Uncalibrated Signal plot Signal Deviation plot Signal Deviation Mean plot Noise Level plot FIGURE 3 3 AUREA AND SALEAE INTERFACE USB cable USB Logic Analyzer For debugging purposes Application Processor To electrodes client Note 1 Aurea can only read data enabled by the application processor The Sniffing mode does not provide functions to control MGC3130 2 In Sniffing mode Signal Deviation Mean SDM and Noise Level NL measurements may stop before they are finished if the Approach mode is activated on the MGC3130 Host application may adjust the Idle Time out or deactivate the Approach Detection feature DS40001681C pag
29. When Signals tab is active Real Time Control allows the configuration of the plot in the Signals window and the control of selected features applied to the MGC3130 see Figure 2 7 FIGURE 2 7 SIGNALS REAL TIME CONTROL A Bi north z E A Bl south A Bl west MW I center Levels LSBs Signals Autocalibration __ Approach Detection Power Saving V Autozoom SES ee Force Calibration The individual GUI elements are described below 2 2 2 1 CHANNELS The Channels section allows the user to select the electrode signals plotted in the Visualization window In the standard configuration all five channels are displayed For a detailed look into one electrode signal unused channels can be unchecked 2 2 2 2 LEVELS The most recent signal values time 0 are shown in the Levels section The values can be copied and pasted to an application of your choice e g Microsoft Excel Before selecting the values the signal stream must be paused first by pressing the Freeze Unfreeze Plot button refer to Section 1 2 3 Control Bar 2 2 2 3 AUTOCALIBRATION CHECK BOX The GestIC Library includes an Autocalibration functionality for a continuous adaptation to the environmental changes The calibration events can be observed in the status bar refer to Section 1 2 4 Status Bar and in the History Logging window of the Colibri Suite tab Uncheck the Autocalibration check box to disable
30. ae USB Logic Analyzer e Preferences Configures the hardware which will be used to read the data output from MGC3130 FC protocol This hardware can be GestIC Bridge or Saleae USB Logic Analyzer Refer to Section 3 3 Sniffing Mode for additional details e Reset Initiates a reset of the MGC3130 e About Aurea e Open Manual FIGURE 1 3 AUREA CONTROL BAR Connect Disconnect GestIC HW Reset GestIC HW Freeze Unfreeze plot Preferences Start Stop logging About Open Manual v L dk Gd e RESET OS 2013 Microchip Technology Inc DS40001681C page 13 MGC3130 Aurea Graphical User Interface User s Guide 1 2 4 Status Bar The static Status Bar is located at the bottom of the Aurea window and it provides information about the recent status of the MGC3130 system see to Figure 1 4 The following information displays from left to right Gesture indication shows the latest recognized gesture only when the Colibri Suite tab is active Calibration indication flashes when a sensor calibration is issued Tx working frequency currently used by the MGC3130 GestIC Library version read from the MGC3130 after start up and Reset When moving the cursor on it other versions are displayed Library Loader version read MGC3130 after Reset Colibri Suite version read from the MGC3130 after start up and Reset FC Bridge version read from GestIC device after start up Noise indication flashes when high noise is
31. area the system will wake up 2013 Microchip Technology Inc DS40001681C page 15 MGC3130 Aurea Graphical User Interface User s Guide FIGURE 2 1 COLIBRI SUITE TAB XY plot 2D XYZ plot 3D OSEG lt OF Signal Level 08 22 08 Touch North South West 08 22 08 Touch North West 08 22 08 Touch North 08 22 08 Touch Center 08 22 10 Touch Center 08 22 10 Touch South Center 08 22 10 Touch North East South West Center 08 22 12 Touch North South West Center 08 22 12 Touch North South Center 08 22 12 Touch South Center 08 22 13 Touch Center 08 22 14 Touch East South West 08 22 14 Touch North East South West 08 22 14 Touch North East South West Center 08 22 15 Touch North South West Center 08 22 15 Touch Center 08 22 44 Touch North East South West Center 08 22 45 Touch North West Center 08 22 45 Touch Center 08 23 32 Touch North East South West Center 08 23 33 Touch North South West Center 08 23 33 Touch North Center East South West History logging Signal level bar graph Gesture indication 2 1 1 1 XY AND XYZ POSITION TRACKING PLOTS The red cursor in the XY and XYZ plots appears as a projection of the user s hand position within the sensing space The cursor follows the hand in real time and is followed by a red tail to indicate the position history Figure 2 2 shows a typical set of frame electrodes and the respective sensitive area in between The origin of the coordinate system
32. as they are needed for the second step Press the Save results and exit wizard button to save the results The file is saved with the extension of cws1 see Figure 2 63 FIGURE 2 63 ELECTRODE CAPACITANCE MEASUREMENT FIRST STEP SAVE RESULTS Please store the results to a file by pressing the Save results and exit wizard button below You will need those to continue with the second step Save results and exit wizard 2 3 3 2 STEP 2 MEASUREMENT WITH AUXILIARY CAPACITORS NG Pressing the Step 2 Measurement with auxiliary capacitors button will open the Dialogue window shown in Figure 2 64 Select the capacity measurements results file which has been saved during the first step and press Open The measurement settings file always has the file ending cws1 see Figure 2 64 FIGURE 2 64 ELECTRODE CAPACITANCE MEASUREMENT LOAD CAPACITY MEASUREMENT RESULTS oe CO aa Look in D C Program Files x86 Microchip MGC3130 03_GestiIC Library si o o Oo e yl My Computer A Parameters gi CapacitanceMeasurementStepl _20130612_150348 cws1 gesticlib_hillstar_V0 4 20 enc gesticlib_sabrewing_V0 4 20 enc J 5 KR Capacity Measurement Wizard Step 1 Data cws 1 DS40001681C page 60 2013 Microchip Technology Inc Aurea Tabs The Electrode Capacitance Measurement will automatically jump to the second step where a new measurement with auxiliary capacitors will be conducted The first step measurement results will be
33. code hopping devices Serial EEPROMs microperipherals nonvolatile memory and analog products In addition Microchip s quality system for the design and manufacture of development systems is ISO 9001 2000 certified DS40001681C page 2 2013 Microchip Technology Inc MGC3130 AUREA GRAPHICAL USER INTERFACE MICROCHIP USER S GUIDE Table of Contents Chapter 1 Overview d EE tee be 10 ges a ie 2 20 AH Ce Oe eee eee nee 10 PEZRUNNINOG AWG WEE 10 1 2 Aurea Graphical User Interface cceccccccecceeeceeeeeeceeeeeeteeeeeeteseeeteeeeeeees 11 EN Ee Ee EE 11 1 22 Reak TIME e ue NEE 12 EZS CONTO BaF EE 13 WZ AUS EE 14 Chapter 2 Aurea Tabs ZV ei lag RE 15 Zale ele SUNG E EE 15 2 1 1 1 XY and XYZ Position Tracking Plots 16 2 te IR EE 17 2 af lei BO e Te le e EE 17 2 1 1 4 Gesture Indication e c2cce csticemcteccec acces SEENEN 17 2 1 2 Colibri Suite Real Time Control cccecccccccseeceseceeeeceeeceeeceueeceeessneeeeeess 18 DNA EE 18 2 ee leen EE 21 2 1 29 Feature e Lu e de EE ER Lal EE 23 2 2 1 Signals Visualization Tab WEE 23 2 2 2 Signals Real Time Control ccccccccsecceseecececeeceeeecececeueseueeseeesseeeaeeess 24 EE NINA tee laa 24 Maa EONO eet 24 2 2 2 3 Autocalibration Check Box ccccceccceeeceeeeceeeeeeeseeeeeeeeseeeeaeeees 24 2 2 2 4 Approach Detection Power Saving Check Box w ww muoa 25
34. ctions Open Help for the current parameterization step FIGURE 2 17 COLIBRI PARAMETERIZATION OPTIONS Revert to saved v Show Hide Instructions 2013 Microchip Technology Inc DS40001681C page 31 MGC3130 Aurea Graphical User Interface User s Guide 2 3 2 6 ANALOG FRONT END AFE When selecting the AFE Parameterization task the matched Rx signal is shown during the first half period of the Tx transmit signal at a working frequency of 115 kHz The Tx transmit signal is a square wave signal The unit is digits The Rx signal plot allows the user to evaluate the quality of the analog sensor signal An optimal signal shows an overswing or underswing in the beginning and is settled at the sampling point In addition it should be close to 32 768 digits at the sampling point see Figure 2 18 The overswing or underswing are determined by the capacitances of the connected electrodes refer to MWGC3130 Gesti CC Design Guide DS40001716 for more details FIGURE 2 18 Rx SIGNAL PLOT RX Signal Overswing 32768 digits Sampling point The upper part of the window provides parameters to control the Analog Front End The Analog Front End settings consist of Electrode selection Electrode Mapping and Signal Matching These settings can be modified by using the respective check box or slider For fine tuning click on the slider and use the arrow keys on your PC keyboard The Analog Front End
35. d in Figure 3 4 FIGURE 3 4 AUREA DEVICES 2013 Microchip Technology Inc DS40001681C page 67 MGC3130 Aurea Graphical User Interface User s Guide 6 Select Saleae Logic 8 7 To configure the Saleae hardware mapping press the Preferences button in the upper right corner of Aurea The HC Monitor configuration list will be displayed containing see Figure 3 5 a IC Address selects the MGC3130 FC The value is in hexadecimal and can be 0x42 or 0x43 b SDA Pin selects which Saleae Logic Analyzer channels is mapped to HC SDA pin of MGC3130 c SCA Pin selects which Saleae Logic Analyzer channels is mapped to I2C SCL pin of MGC3130 FIGURE 3 5 AUREA RUNNING ON SALEAE 8 Aurea will display the data collected over the IC bus FIGURE 3 6 AUREA RUNNING ON SALEAE ck West to East Flick East to West Flick South to North Flick North to South Ss Edge Flick West to East Edge Flick East to West Edge Flick South to North Edge Flick North to South Air Wheel Cirde dockwise Cirde counter clockwise Touch 19 00 36 Calibration Idle 19 05 57 Gesture Flick West gt East 19 05 57 Calibration Gesture triggered 19 05 57 Calibration Values margin 19 05 57 Gesture Flick East gt West 19 05 57 Calibration Values margin East South DS40001681C page 68 2013 Microchip Technology Inc MGC3130 AUREA GRAPHICAL USER INTERFACE MICROCHIP USER S GUIDE Appendix A Gl
36. detected Clipping indication flashes when signal clipping is detected Processing indication lights up when the MGC3130 is in Processing mode and turns off when in power saving Sleep mode Note Calibration noise and clipping indication are deactivated in the Colibri Parameterization of the AFE FIGURE 1 4 AUREA STATUS BAR GestIC Library version Library Loader version Colibri Suite version Gesture indication IC bridge version Calibration indication Clipping indication Tx working frequency Noise indication Processing indication DS40001681C page 14 2013 Microchip Technology Inc MGC3130 AUREA GRAPHICAL USER INTERFACE MICROCHIP USER S GUIDE Chapter 2 Aurea Tabs This chapter describes the individual tabs of Aurea and the respective context sensitive settings within Real Time Control 2 1 COLIBRI SUITE 2 1 1 Colibri Suite Tab The Colibri Suite tab displays the MGC3130 3D gesture recognition and position tracking features and is divided into five sub windows Figure 2 1 e XY position tracking plot 2D e XYZ position tracking plot 3D e Signal level bar graph e History Logging window e Gesture Indication window When the Approach Detection Power Saving feature is enabled the MGC3130 controller is set to Sleep when no hand is present and the processing indication is turned off In addition the signal stream stops and the tab background turns gray When a hand approaches the sensing
37. disabled by unchecking the corresponding check box see Figure 2 45 FIGURE 2 45 MINIMUM Z POSITION LEVEL DS40001681C page 46 2013 Microchip Technology Inc Aurea Tabs The Minimum Z Position Level can be modified by using the respective slider For fine tuning click on the slider and use the arrow keys on your PC keyboard The range for this slider is O to 65535 To adjust Minimum Z Position Level please proceed as follows 1 Adjust the slider of Min Z Position Level to the maximum value 2 Perform the gesture with the typical hand posture for the application and at the minimum distance desired for the application 3 Decrease the value until the gestures are correctly recognized Lower values mean gestures can be recognized at lower Z position levels Gestures performed at higher distances should be recognized Note 1 Only flick and discrete circular gestures can be selected 2 This feature depends on correct parameterization of Position Tracking Without it Z position can be erroneous and lead to bad recognition performance e Gesture Duration This step selects the gestures which should have duration limits and define the minimum and the maximum duration for each gesture independently These gestures are only valid if their durations are in the range of the minimum and maximum values Min Duration It specifies the minimum amount of time that gestures have to last in order to be detected Max Duration It spec
38. displayed see Figure 2 65 The user has to enter in the five soldered auxiliary capacitors values Refer to MGC3130 Gestic Design Guide DS40001716 for more details FIGURE 2 65 ELECTRODE CAPACITANCE MEASUREMENT CAPACITY MEASUREMENTS WITH AUXILIARY CAPACITORS Enter Aux Capacitor Values Please connect auxiliary capacitors between the Rx electrodes and GND and enter the corresponding capacitances to the left Then press Next to continue Aux capacitance values The results from the first step can be seen below below Att 151 143 152 150 216 Pressing Next will show the Rx signal The signal plot is generated by sweeping the sampling time relative to the time instance when the Tx potential is switched to its high level Electrode Capacitance Measurement uses the level at the sampling point indicated in Figure 2 61 to calculate the V ryg The Rx signal is generated at a working frequency of 115 kHz The unit is digits Pressing Next again will start the measurement and display the capacitance results between the Rx electrode and GND Cp c and the capacitance between the Rx and Tx electrodes Cp 7 as shown in Figure 2 66 FIGURE 2 66 ELECTRODE CAPACITANCE MEASUREMENT CAPACITY MEASUREMENTS WITH AUXILIARY CAPACITORS RESULTS Step 2 Results v Aux Capacitance The capacity measurement is finished VW Preparation The following capacitances ha
39. e Signal Deviation Mean The Signal Deviation Mean is the Signal Deviation with a simple moving average filter applied The filtering is executed within Aurea with a filter length of 10 seconds This signal is used when recording a sensitivity profile refer to Section 3 2 Sensitivity Profile Acquisition A pop up window is shown during the initialization phase It automatically disappears when data are valid Noise Level The Noise Level is defined as the Standard Deviation of the Uncalibrated Signal It is calculated over 100 seconds and gives information about the self noise level of the sensor system A pop up window is shown during the initialization phase It automatically disappears when data are valid 2 2 2 7 AUTOMATIC FREQUENCY HOPPING LIST Depending on the external noise conditions the MGC3130 controller automatically chooses the best working frequency The frequencies which are used by the AFA algorithm can be selected by checking the desired frequency box to enable it red color Press it again to exclude this frequency gray color This forces the system to continuously use only the selected frequencies The following frequencies are available 44 kHz 67 kHz 88 kHz 103 KHz and 115 kHz 2 2 2 8 FORCE CALIBRATION BUTTON Press Force Calibration to calibrate the sensor manually Make sure the sensor is not influenced by the user when executing a calibration The idle system is properly calibrated when the Signal Dev
40. e 66 2013 Microchip Technology Inc Advanced Aurea Features 3 3 1 Saleae Saleae USB Logic analyzer is a logic analyzer used to record view and measure digital signals In addition Saleae currently has 17 different protocol analyzers including serial IC SPI CAN and many more Saleae can sample each of its 8 channels at up to 24 MHz and can record up to 10 billion samples 3 3 2 Install Saleae To install Saleae on your system e Download and install the Saleae software package from http www saleae com 3 3 9 Saleae Hardware Connection To use Saleae as IC spy logic two channels and the ground should be connected to the GestIC I C bus see Table 3 2 TABLE 3 2 SALEAE HARWARE CONNECTION MGC3130 Pin Saleae Channel SIO 12C0 SDA Channel 0 7 for 8 Channel Channel 0 15 for 16 Channel S11 I2C0 SCL Channel 0 7 for 8 Channel Channel 0 15 for 16 Channel 3 3 4 Running Aurea with Saleae To run Aurea using Saleae Logic Analyzer please proceed as follows 1 Connect the Saleae Logic Analyzer hardware to the respective pins on the MGC3130 GestIC application hardware 2 Connect and power the main GestiC hardware application 3 Connect Saleae to the PC via USB 4 Run Aurea 5 Press the Disconnect GestiC HW button in the upper right corner of Aurea Press again the same button and Aurea will immediately show the available hardware which can be used to collect the MGC3130 streamed data An example is illustrate
41. e U S A Silicon Storage Technology is a registered trademark of Microchip Technology Inc in other countries Analog for the Digital Age Application Maestro BodyCom chipKIT chipKIT logo CodeGuard dsPICDEM dsPICDEM net dsPIlCworks dSSPEAK ECAN ECONOMONITOR FanSense HI TIDE In Circuit Serial Programming ICSP Mindi MiWi MPASM MPF MPLAB Certified logo MPLIB MPLINK mTouch Omniscient Code Generation PICC PICC 18 PICDEM PICDEM net PICkit PiCtail REAL ICE rfLAB Select Mode SQI Serial Quad I O Total Endurance TSHARC UniWinDriver WiperLock ZENA and Z Scale 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 GestIC and ULPP are registered trademarks of Microchip Technology Germany Il GmbH amp Co KG a subsidiary of Microchip Technology Inc in other countries All other trademarks mentioned herein are property of their respective companies 2013 Microchip Technology Incorporated Printed in the U S A All Rights Reserved CH Printed on recycled paper ISBN 9781620777022 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 and India The Company s quality system processes and procedures are for its PIC MCUs and dsPIC DSCs KEELOQ
42. ea Tabs 2 3 2 2 LOAD FROM FILE The Load from File feature enables the user to load a specific parameterization settings file in Aurea The parameter settings file always has the file ending enz Pressing the Load from File button will open the Dialogue window pictured in Figure 2 13 Select the parameter file which should be loaded and press Open The Colibri parameterization automatically jumps to the parameterization step where the file has been saved Note 1 For information about Colibri Suite Parameterization please refer to MGC3130 GestiC Design Guide DS40001716 2 Ifthe user wants to change an existing parameterization it is recommended to load a finalized reference parameterization and navigate to the parameters to be changed 3 All Hillstar and Sabrewing parameterization files are located in e install Directory Microchip MGC3130 03 Gestic Library folder FIGURE 2 13 LOAD FROM FILE Look in 1 C Program Files x86 Microchip MGC3130 03_GestIC Library v OD CO OO EN yy My Computer A Parameters _ gesticlib_hillstar_V1 0 0 enz _ gesticlib_sabrewing_V1 0 0 enz ns E Parameter Files renz we 2013 Microchip Technology Inc DS40001681C page 29 MGC3130 Aurea Graphical User Interface User s Guide 2 3 2 3 PARAMETERIZATION PROGRESS STATE During the whole parameterization the Real Time Control window will show the progress state of the parameterization see Figure 2 14
43. ed and smoothness of the counter For low values the counter changes slowly For high values the counter changes quickly Smaller arcs correspond to higher counts The Smoothness value can be adjusted from 0 to 255 digits Most applications will require that the chosen smoothness is as high as possible This will avoid having AirWheel counter jump or misbehave with fast circles e Minimum Arc It adjusts how much the user should rotate before the AirWheel counter starts A higher value means that a bigger arc has to be performed before counter starts The values can be changed from 0 to 64 Note 1 The Minimum Arc setting affects both discrete HMM circle gestures events and the AirWheel 2 A circle event is only recognized if this same minimum arc is performed FIGURE 2 51 AIRWHEEL PARAMETERS ADJUSTMENT Smoothness Gs 230 Minimum Arc BB 14 2013 Microchip Technology Inc DS40001681C page 53 MGC3130 Aurea Graphical User Interface User s Guide 2 3 2 13 NOISE POWER GestIC Library includes a noise power estimation which is displayed in the Variance window see Figure 2 52 Depending on the noise power the user can select to turn off the GestIC features Three sliders can be used to adjust the maximum variance limit for Gesture Recognition flicks and circles Position Tracking and Touch Detection see Figure 2 53 All three limits are displayed in the Variance display If a slider is pulled completely to t
44. electrodes Cp 7 The measurement procedure is divided in two separate steps First step does not need any hardware modification while the second step needs to solder auxiliary capacitors between the five Rx electrodes and Ground see Figure 2 59 FIGURE 2 59 EQUIVALENT CIRCUIT WITH AUXILIARY CAPACITORS Driven Input Voltage for Tx Signal Voltage over LG after placing Ca Capacitance between Tx and GND Capacitance between Rx and Tx Capacitance between Rx and GND Auxiliary Capacitance for establishing the voltage divider Note 1 For information about Capacitance measurement please refer to MGC3130 Gestic Design Guide DS40001716 2 The Hillstar Development kit provides an easy integration of these auxiliary capacitors The reference electrode board provides ground connection close to the electrodes connector The auxiliary capacitors can be soldered between the connector and ground When selecting the electrode capacitance measurement task there are two possibilities to start an initial measurement by using the Step 1 Initial Measurement button or to start the second step set by clicking Step 2 Measurements with Aux Capacitors see Figure 2 60 e Step 1 Start initial measurement and save results e Step 2 Load results from Step 1 and start measurement with auxiliary capacitors FIGURE 2 60 ELECTRODE CAPACITANCE MEASUREMENT SELECTION This wizard is
45. en it has been accurately performed e g the user must perform a very round complete circle or several circles The Recognition Aggressivity can be modified by using the corresponding slider For fine tuning click on the slider and use the arrow keys on your PC keyboard The range for this slider is 1 to 1 Note This parameter also affects the AirWheel recognition To adjust Recognition Aggressivity proceed as follows 1 Increase Recognition Aggressivity to the maximum value 2 Perform gestures in the most relaxed way the application will allow 3 Decrease Recognition Aggressivity until these gestures are no longer recognized The value achieved is the maximum Aggressivity allowed for the gesture performance DS40001681C page 48 2013 Microchip Technology Inc Aurea Tabs e Gesture suppression time Adjusts the time for which gestures are not allowed after sensor touch detection Touch Tap or Double Tap The range is from 0 to 1 25s After touching when removing hand the user can unintentionally trigger a gesture This feature can prevent this situation Note 1 _ If this Gesture suppression time parameter is active gt 0 touches also abort ongoing gesture recognition 2 This parameter can be used only when the Touch Detection feature is enabled otherwise it has no impact FIGURE 2 46 HMM GESTURE RECOGNITION Settings Z Position Limit for Gesture Recognition Gesture Duration Trigger
46. es the MGC3130 controller must run in Processing mode with a fixed Tx working frequency e g 103 kHz Autocalibration must be deactivated The following steps set up the GestIC system for sensitivity profile acquisition 1 Connect the GestIC device to your PC via USB and open Aurea exe 2 Activate the Signals tab and display Control by clicking on the upper left arrow 3 Turn off Autocalibration Deactivating Autocalibration also disables the Approach Detection feature The controller is constantly running in Processing mode 4 Set Tx working frequency to 103 kHz 5 Select the Signal Deviation Mean signals from the drop down list You can now start recording the sensitivity profile 3 2 1 Sensor Calibration Use the Force Calibration button for manually calibrating the system when there is no approach to the system measuring object is not within the sensing space 3 2 2 Measurement 1 Place the brick in the defined start position e g hand brick at 3 cm height over the center of the East electrode 2 Read the Signal Deviation values and move the brick to the next position e g 1 cm toward West 3 Continue until the brick is at the end position West electrode In order to record data at each of the above steps press Freeze to halt the signal stream Transfer the Signal Deviation Mean values to another application by marking and copying them through the clipboard see Figure 3 2 FIGURE 3 2 TRANSFER SIGNAL VAL
47. ess It enables the user to generate a good electrode design and to parameterize the full Gesti CC system MGC3130 GestiC Library Interface Description User s Guide DS40001718 This document is the interface description of the MGC3130 s GestIC Library It outlines the function of the Library s message interface and contains the complete message reference to control and operate the MGC3130 system MGC3130 Sabrewing Single Zone Evaluation Kit DS41685 This document describes the Sabrewing Evaluation Kit demonstrating Microchip s Gest technology MGC3130 Hillstar Development Kit User s Guide DS40001 721 This document describes the Hillstar Development Kit supporting an easy integration of Microchip s MGC3130 3D Tracking and Gesture Controller into the user s applications 2013 Microchip Technology Inc DS40001681C page 7 MGC3130 Aurea Graphical User Interface User s Guide THE MICROCHIP WEB SITE Microchip provides online support via our web site at www microchip com This web site is used as a means to make files and information easily available to customers Information about GestIC technology and MGC3130 can be directly accessed via www microchip com gestic DEVELOPMENT SYSTEMS CUSTOMER CHANGE NOTIFICATION SERVICE Microchip s customer notification service helps keep customers current on Microchip products Subscribers will receive e mail notification whenever there are changes upda
48. eterize another board Press the Save Parameterization Results button to save the results The file is saved with the extension of enz see Figure 2 58 A finished parameterization contains the parameters file and a complete GestIC Library including the saved parameters Aurea either allows to load the enz file as a parameterization file or as a GestIC Library FIGURE 2 58 SAVING PARAMETERIZATION RESULTS iu i Look in Di C Program Files x86 Microchip MGC3130 03_GestIC Library se OO CO OO EN EJ yy My Computer AN Parameters _ gesticlib_hillstar_V1 0 0 enz _ gesticlib_sabrewing_V1 0 0 enz DspParameterization_20131108_204324 enz save Flash File enz T 2 3 2 15 2 Store to Flash The Colibri Suite Parameterization Results can be stored permanently into the MGC3130 controller Flash by clicking Store to Flash see Figure 2 57 Note In order to make a new parameterization effective in the running system one of the following steps are recommended Store parameterization to Flash and reset MGC3130 Save parameterization as an enz file and load it as Gesti CC Library 2013 Microchip Technology Inc DS40001681C page 57 MGC3130 Aurea Graphical User Interface User s Guide 2 3 3 Electrode Capacitance Measurement The Electrode Capacitance Measurement is made to determine the capacities between Rx electrode and device ground Cryg and the capacities between the Rx and Tx
49. ge 26 2013 Microchip Technology Inc Aurea Tabs After selecting a Library file the Flash FW Settings dialogue will occur showing the available options for the selected firmware The user has to choose the required options and then press Start Library Update button see Figure 2 10 FIGURE 2 10 FLASH FW SETTINGS The progress dialogue will occur and will show the status of the flash process The dialogue can be closed after the successful Flash process by pressing Exit see Figure 2 11 FIGURE 2 11 FLASH PROCESS DIALOGUE TLF UJI an uu OSLO OF Checking installed library loader version 100 11 0 Checking if library loader update is required no Writing to flash Updating library to version 1 0 0 2013 Microchip Technology Inc DS40001681C page 27 MGC3130 Aurea Graphical User Interface User s Guide 2 3 2 Colibri Parameterization In order to obtain optimal functionality the GestIC system has to be parameterized Therefore several rules have to be respected to match the AFE settings with electrode characteristics and match the Colibri Suite parameters with the sensitive area geometry This chapter provides step by step instructions for proper Gest parameter settings The parameterization steps are grouped into separate sections independent from each other and displayed in Table 2 6 The parameterization can only be done via Aurea PC Software except for real time parameters which can be controlled as we
50. going to help you determine the electrode capacitance values Step 1 Initial Measurement Step 2 Measurement with aux capacitors DS40001681C page 58 2013 Microchip Technology Inc Aurea Tabs 2 3 3 1 STEP 1 INITIAL MEASUREMENT Vp Clicking Step 1 Initial Measurement will start the Electrode Capacitance Measurement process at the first step and the Rx signal is shown during the first half period of the Tx transmit signal at a working frequency of 115 kHz The Electrode Capacitance Measurement uses the level at the sampling point indicated in Figure 2 61 to calculate the VG The unit is digits FIGURE 2 61 ELECTRODE CAPACITANCE MEASUREMENT FIRST STEP P MGC3130 Aurea 1 OV EO OF The measurement will start once you press the Next button on the left Please make sure that you keep your hands out of the detection range during the measurement Exit Parameterization Pressing Next starts the measurement and displays the results FIGURE 2 62 ELECTRODE CAPACITANCE MEASUREMENT FIRST STEP RESULTS Results The results for step 1 are Please store the results to a file by pressing the Save results and exit wizard button below You will need those to continue with the second step Save results and exit wizard 2013 Microchip Technology Inc DS40001681C page 59 MGC3130 Aurea Graphical User Interface User s Guide The user has to save the first step results
51. gure 2 55 2013 Microchip Technology Inc DS40001681C page 55 MGC3130 Aurea Graphical User Interface User s Guide FIGURE 2 55 EVENT ACTION Event Permanent high Event Permanentlow Y Event Pulse 5ms y A Event Event Event Toggle y A 4 Touch detected Touch released High active A 4 Touch detected 7 Touch released Low active y 5 Clear Resets the event back to initial value see Figure 2 56 FIGURE 2 56 GESTURE PORT Mapping Gesture Electrode Pin i Flick West gt East v Qjgo1 po io Flick East gt West welle 802 03 g Fick South gt North el lp ig E03 g Flick North gt South vO moi Son E103 f T e lem Cleo Clem sel Im Meo M Eos i via Yao ao M EI01 W eIO2 eos g DS40001681C page 56 2013 Microchip Technology Inc Aurea Tabs 2 3 2 15 SAVE PARAMETERIZATION Once the Colibri Suite Parameterization is finished the user can see Figure 2 57 e Save Parameterization Results e Store to Flash FIGURE 2 57 PARAMETERIZATION STEP FINISHED Save Parameterization Store to Flash 2 3 2 15 1 Save Parameterization Results The user can store the parameterization results as they may be needed for further fine tuning or as a reference to param
52. he arrow keys on your keyboard The Gestures and XYZ Position visualization windows give immediate feedback upon parameter adjustment e Trigger Calibration The Colibri Suite provides the functionality to calibrate the sensor manually adapt the electrode system to environmental changes It is recommended that the sensor is not influenced by the user when executing a calibration Colibri Suite can use flick gestures to force a system calibration as it is expected that by the end of the Flick event the hand has already crossed the entire sensitive area The idle system is properly calibrated when the Signal Deviation of all channels is at or near zero Immediate feedback is given by the calibration indication in Aurea Status Bar Each time a selected gesture is performed the calibration indication blinks To select the gestures which are used to trigger a Colibri Suite calibration check the corresponding check box Up to four flick gestures can be selected e Z Position Limit for Gesture Recognition This step allows selecting the gestures which should have a Z Position Limit for Gesture Recognition see Figure 2 45 and define the Minimum Z Position Level for each gesture independently These gestures are only valid if during the entire gesture execution Z position is above the defined Minimum Z Position Level Gestures can be selected using the corresponding check box If the system has no restrictions on gestures height this feature can be
53. he left side Off the corresponding feature will always be On regardless of the noise power Experiment with different noise sources to judge the noise power level at which you want a feature to be disabled The range can be adjusted from Off 0 1 to 50 LSBs Default value is Off FIGURE 2 52 NOISE POWER THRESHOLDS Gesture Recognition Threshold H i i FIGURE 2 53 NOISE POWER PARAMETERS ADJUSTMENT Gesture Recognition BI Off Position Tracking MM fF Touch Detection DW JE og DS40001681C page 54 2013 Microchip Technology Inc Aurea Tabs 2 3 2 14 GESTURE PORT This configuration step allows the set up of the Colibri Suite Gesture Port events for example switching a connected light on or off with one or more gesture events The Colibri Suite can generate up to eight event outputs which can be mapped to any EIO 1 2 3 6 or 7 Itis also possible to map more than one event output by one EIO see Figure 2 54 FIGURE 2 54 GESTURE PORT MAPPING Permanent high Permanent low Colibri Suite Events Gg Pulse 5ms Action Selection 0 2 High active Low active EventOutput1 8 To ElOs Flick West gt East Flick East gt West Flick North gt South Gesture Flick South gt North Circle ClockWise Circle Counter ClockWise Gesture Selection Sensor Touch Eventinput Selection 0 1 Tap Sensor Touch
54. iation of all channels is about zero 2013 Microchip Technology Inc DS40001681C page 25 MGC3130 Aurea Graphical User Interface User s Guide 2 3 SETUP The Setup tab collects functions to update the GestIC Library to adjust the hardware settings of the MGC3130 to configure the Colibri Suite Analog Front End and Digital Signal Processing and to measure the electrodes capacitances Pressing one of these buttons will open the corresponding setup task see Figure 2 8 FIGURE 2 8 SETUP TASKS Flash Library File Colibri Parameterization Electrode Capacitance Measurement 2 3 1 Flash Library File The Flash Library File feature enables the user to flash a specific library file into the MGC3130 The library file contains a dedicated FW with a corresponding set of parameters for the dedicated target system e g Hillstar Development Kit with the target electrode connected or for your MGC3130 design respectively The library file has the file ending enz or enc Pressing the Flash Library File button will open the following Dialogue window Select the library file which should be flashed onto the device and press Open see Figure 2 9 FIGURE 2 9 OPEN FLASH FILE DIALOGUE Look in IA C Program Files x86 Microchip MGC3130 03_GestIC Library v Oo CO WA A My Computer A Parameters gesticlib_hillstar_V1 0 0 enz _ gesticlib_sabrewing_V1 0 0 enz Flash Files enz enc DS40001681C pa
55. ifies the maximum amount of time that gestures should not exceed in order to be detected This limit is always higher than the Limit Min Duration Min Duration lt Gesture Duration lt Max Duration Gestures can be selected using the corresponding check box If the system has no restrictions on gestures duration this feature can be disabled by unchecking the corresponding check box The minimum and maximum durations can be modified by using the respective slider For fine tuning click on the slider and use the arrow keys on your PC keyboard The range for this slider is 0 to 2000ms To adjust Min and Max Duration Time proceed as follows 1 Adjust the slider of Min Duration to a higher value 2 Perform the corresponding gestures with the highest speed allowed for the application 3 Decrease the slider until the gestures are recognized correctly Adjust the slider of Max Duration to a lower value above Min Duration 5 Perform the corresponding gestures with the lowest speed allowed for the application 6 Increase the slider until the gestures are recognized correctly 2013 Microchip Technology Inc DS40001681C page 47 MGC3130 Aurea Graphical User Interface User s Guide e Detection Sensitivity It is a gain which needs to be adjusted depending on expected system noise With low values gestures have to be performed very close to the electrodes High values increase sensitivity but are also less robust The Detec
56. ip Technology Inc DS40001681C page 51 MGC3130 Aurea Graphical User Interface User s Guide FIGURE 2 49 TOUCH DETECTION PARAMETERS ADJUSTMENT 2 3 2 12 AIRWHEEL The AirWheel is part of the Colibri Suite s circular gestures It provides a counter which can be either increased or decreased It increases with clockwise circles and decreases with counter clockwise circles being possible to invert direction while gesture is ongoing The output value accumulates the angle change during circular movement Its resolution is around 32 counts per full circle but it may depend on configuration parameters and sensor board layout Aurea displays the direction and the counter see Figure 2 50 FIGURE 2 50 POSITIVE DIRECTION AND MINIMUM ARC REPRESENTATION DS40001681C page 52 2013 Microchip Technology Inc Aurea Tabs Though it is expected to work out of the box with most designs the AirWheel s parameterization can be adjusted using only three customizable settings see Figure 2 51 e Minimum Momentum This value changes the amount of movement required to update the AirWheel counter High values improve robustness against small changes such as jitter With smaller values AirWheel is faster to react but also more affected by jitter but it may be necessary to move the finger closer to the sensor board The values for the minimum momentum range from 0 to 255 digits e Smoothness The Smoothness value influences the spe
57. ll through the I2C messages interface A customer design should take this into account For this reason it is recommended to prepare the parameterization circuit For more information please refer to MGC3130 GestIC Design Guide DS40001716 TABLE 2 6 GestiC PARAMETERIZATION FLOW Colibri Suite Parameterization Real Time Parameter ESCHER System Start up Parameterization Step Mandatory Optional Postion Tracking x Il JHMM Gesture Recognition x Approach Detection In FTouchDetesion 1 In Noise Power Noise Power Gesture Port X Note 1 Optional parameterization steps mean that the corresponding features are expected to be functional out of the box with most designs 2 Real Time Parameters can be controlled through the PCT messages interface during runtime When selecting the Colibri Parameterization task there is the possibility to start a new parameterization by using the button Start New Parameterization or loading an existing parameter set by clicking Load from File see Figure 2 12 FIGURE 2 12 SELECTION Welcome to the Colibri Parameterization Wizard Welcome to the parameterization wizard Start new parameterization Load from File 2 3 2 1 START NEW PARAMETERIZATION Clicking Start New Parameterization will start the Colibri Parameterization process at the first parameterization step Analog Front End AFE DS40001681C page 28 2013 Microchip Technology Inc Aur
58. n be performed at various speeds within limits For instance gesture recognition does not trigger when the movement of a gesture is very slow or particularly fast DS40001681C page 18 2013 Microchip Technology Inc Aurea Tabs 2 1 2 1 1 Flick Gestures A flick gesture is defined as a linear hand or finger movement in a specified direction Flick gestures can start and end inside and outside the sensing space The Colibri Suite supports flick gestures in four directions and can further distinguish edge flicks Edge flicks are performed at the edge of the sensing space They always start outside the sensing space and cover less than 70 of it The implementation of flick recognition is illustrated in Figure 2 5 on the example of flicks from West to East FIGURE 2 5 EXAMPLES FOR FLICK RECOGNITION North electrode Sensing area Flick __ _ _ Flick D Ko O Bes O oO _ Ka East electrod Flick gt Edge Flick South electrode Colibri RTC supports the flick gestures listed in Table 2 1 The gestures can be individually enabled and disabled by checking and unchecking the respective check boxes TABLE 2 1 FLICK GESTURES symbol Sen Lag gon namen Flick West to East EI ae Edge Flick West to East Flick East to West Go Edge Flick East to West Flick South to North D Edge Flick South to North Flick North to South D Edge Flick North to South
59. n contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates It is your responsibility to ensure that your application meets with your specifications MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED WRITTEN OR ORAL STATUTORY OR OTHERWISE RELATED TO THE INFORMATION INCLUDING BUT NOT LIMITED TO ITS CONDITION QUALITY PERFORMANCE MERCHANTABILITY OR FITNESS FOR PURPOSE Microchip disclaims all liability arising from this information and its use Use of Microchip devices in life support and or safety applications is entirely at the buyer s risk and the buyer agrees to defend indemnify and hold harmless Microchip from any and all damages claims suits or expenses resulting from such use No licenses are conveyed implicitly or otherwise under any Microchip intellectual property rights QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV ISO TS 16949 gt Trademarks The Microchip name and logo the Microchip logo dsPIC FlashFlex KEELOQ KEELOQ logo MPLAB PIC PlCmicro PICSTART PIC logo rfPIC SST SST Logo SuperFlash 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 MTP SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in th
60. n example is shown in Figure 1 2 Depending on the active Aurea tab context sensitive settings can be accessed in the upper part of Real Time Control These settings are explained in detail in Chapter 2 Aurea Tabs when the individual Aurea tabs are described FIGURE 1 2 AUREA REAL TIME CONTROL Flick West to East wl Flick East to West Flick South to North wl Flick North to South Edge Flick West to East _ Edge Flick East to West _ Edge Flick South to North _ Edge Flick North to South Context sensitive gt menu elements Application Cursor Control Full Screen Cube Windows 8 Integration ee DS40001681C page 12 2013 Microchip Technology Inc Overview 1 2 3 Control Bar The control bar elements are valid for all Aurea tabs and are always visible across all tabs and can be accessed in the upper right corner within Aurea These static control elements are see Figure 1 3 e Freeze Unfreeze Plot Press this button to freeze the Visualization window Press it again to continue plotting e Start Log Stop Log Records and saves sensor data into a log file Refer to Chapter 3 Advanced Aurea Features for additional details e Connect Disconnect Toggles connect and disconnect of the USB connection between the PC and the attached hardware which will be used to read the data output from MGC3130 KC protocol This hardware can be Gest Bridge or Sale
61. nich Tel 49 89 627 144 0 Fax 49 89 627 144 44 Germany Pforzheim Tel 49 7231 424750 Italy Milan Tel 39 0331 742611 Fax 39 0331 466781 Italy Venice Tel 39 049 7625286 Netherlands Drunen Tel 31 416 690399 Fax 31 416 690340 Poland Warsaw Tel 48 22 3325737 Spain Madrid Tel 34 91 708 08 90 Fax 34 91 708 08 91 Sweden Stockholm Tel 46 8 5090 4654 UK Wokingham Tel 44 118 921 5800 Fax 44 118 921 5820 10 28 13 DS40001681C page 70 2013 Microchip Technology Inc
62. operating system a USB port and a minimum screen resolution of 1024x768 To start Aurea 1 Connect the GestIC device to your PC via USB port for information on the GestIC devices supported by your Aurea version refer to the Aurea Release Notes 2 To start Aurea double click on the Iinstall Directory Microchip MGC3130 02 Aurea Aurea e x e installed on your drive after installation or select Start gt Programs gt Aurea gt Aurea A screen will display the Aurea GUI 3 Aurea detects the GestIC device automatically and is ready for use Note If you encounter problems while connecting your GestIC device with Aurea make sure the appropriate USB drivers are installed on your PC For troubleshooting refer to the user s manual of your GestIC device 2013 Microchip Technology Inc DS40001681C page 10 Overview 1 2 AUREA GRAPHICAL USER INTERFACE Aurea s graphical user interface is divided into four sections See Figure 1 1 e Aurea tabs e Real Time Control e Control bar e Status bar FIGURE 1 1 AUREA GRAPHICAL USER INTERFACE Real Time Control RTC Arrow Aurea tabs Control Bar OSto OF Wl Flick West to East Wl Flick East to West VI Flick South to North Wl Flick North to South _ Edge Flick West to East 1 Edge Flick East to West C Edge Flick South to North CC Edge Flick North to South MI AirWheel vV Cirde dockwise wv Cirde counter clockwise MI Touch Application
63. ossary TABLE A 1 GLOSSARY Embedded Digital Signal Processing DSP suite within the Gesti CC Library ai Electrical field Rectangular set of four electrodes for E field sensing Gestic Technology Microchip s patented technology providing 3D free space gesture recognition utilizing the principles of electrical near field sensing Gi Includes the implementation of MGC3130 features and is delivered as a binary file Serre Library preprogrammed on the MGC3130 ae Microchip s stochastic HMM classifier to automatically detect and classify hand Gesture Recognition movement patterns Gesture Set A set of provided hand movement patterns mmm haden Markov Model AI Spacer Brick Spacer between the sensor layer and hand brick P Styrofoam block 40x40xh mm with h 1 2 3 5 8 12 cm Hand Brick Copper coated test block 40x40x70 mm Signal Processing Unit Gesti CC technology feature Power Saving mode of the MGC3130 with approach detection Hillstar MGC3130 Hillstar Development Kit supports an easy integration of Microchip s MGC3130 3D Development Kit Tracking and Gesture Controller into customer s applications Approach Detection 2013 Microchip Technology Inc DS40001681C page 69 MICROCHIP Worldwide Sales and Service AMERICAS Corporate Office 2355 West Chandler Blvd Chandler AZ 85224 6199 Tel 480 792 7200 Fax 480 792 7277 Technical Support http www microchip com support Web Address
64. ows to e Activate or deactivate possible working frequencies e Configure the content of the sensor data output FC message e Select the active Colibri Suite features on start up The settings are Run Time Control RTC parameters which can be changed and saved at any time during the operation of MGC3130 Tx Frequencies Depending on the external noise conditions the MGC3130 controller automatically chooses the best working frequency The automatic frequency hopping can be limited by unchecking one or more frequencies in the list The following frequencies are available 44 kHz 67 kHz 88 kHz 103 kHz and 115 kHz see Figure 2 22 FIGURE 2 22 TX FREQUENCIES Tx Frequendes MW 115 kHz Wl 103 kHz Wl 67 kHz Sensor Data Output The Sensor Data Output IC message ID 0x91 contains all data which are generated in MGC3130 That includes recognized gestures as well as continuous data such as position or raw sensor data If data are selected On or Dynamic they will be added as payload elements to the sensor data output I2C message There are three options for data selection see Figure 2 23 e Off data will never be sent e On data will always be sent e Dynamic only data changes will be sent to minimize data traffic DS40001681C page 34 2013 Microchip Technology Inc Aurea Tabs FIGURE 2 23 SENSOR DATA OUTPUT Sensor Data Output Touch Data Air Wheel Data Position Data
65. ration Scan timing interval Calibration Transition Time to adjust the transition time between Calibration Start Scan Interval and Calibration Final Scan Interval FIGURE 2 47 APPROACH DETECTION PARAMETERS ADJUSTMENT Approach Electrode Selection wa south GEN v Bl west Wa Bil north H A mg Calibration Start Scan Interval V H E Calibration Final Scan Interval Am Center Calibration Transition Time Shorter Approach Scan Interval times result in a more responsive system where it is possible to detect even slow gestures during the wake up phase Shorter Approach Scan Interval times result in higher average power consumption DS40001681C page 50 2013 Microchip Technology Inc Aurea Tabs 2 3 2 11 TOUCH DETECTION The Real Time Control part of this step covers all parameters controlling the Touch Detection feature see Figure 2 49 e Threshold Settings Touch Threshold North East South West Center This field specifies the SD values that have to be exceeded to validate the touch event The range is 0 to 32000 LSB The horizontal line in the Level window is adjusted according to the slider value The sub steps within the Touch Detection Threshold settings step are the following 1 Touch each electrode in its geometric center and move your finger to the borders of the electrode while touching 2 Adjust corresponding Touch Threshold acco
66. rding to the displayed SD value while your finger is positioned on the electrode If touches are missed you may need to decrease the Touch Threshold Release Threshold Touch state is released if SD value drops below a threshold which is calculated by SD value on Start of Touch Release Threshold The slider can be adjusted between 50 and 100 Touch each electrode in its geometric center and change the hand posture If touch state becomes released though you are still touching decrease Release Threshold If you lift your finger from the surface but touch state is still signaled increase Release Threshold Tap Settings Single Tap Delay A Single Tap is detected when the timing between a touch and the release of the touch event is smaller than the adjusted delay Max Tap Duration see Figure 2 48 Increasing the time gives you more time to perform the tap The range for the adjusted delay can be between Os and 1s Double Tap Delay The double tap is detected when two taps are performed within the adjusted delay Max Double Tap Duration see Figure 2 48 The range for the adjusted delay can be adjusted from Os to 1s The smaller the selected delay is the faster the two taps have to be executed FIGURE 2 48 TOUCH DETECTION Touch 7 detected Max Tap Duration Os 1s Tap detected Max Double Tap Duration Os 1s Double Tap A detected Double Tap 2013 Microch
67. redefined keys emulating keystrokes see Table 2 4 TABLE 2 4 GESTURE SUPPORT IN WINDOWS 8 INTEGRATION TI Flick South to North Right Click Click Windows 8 Integration in the Applications section h Perform flick gesture from West to East to switch between Windows 8 Desktop and Start Screen 3 Perform flick gesture from East to West to open the Windows 8 Charms Bar 4 Perform flick gesture from South to North to perform a Right Click 5 Deactivate Windows 8 Integration within Aurea to quit 2 1 2 3 FEATURE CONTROL 2 1 2 3 1 Autocalibration Check Box For the electrode system to continuously adapt to environmental changes the Gest Library includes an autocalibration functionality The calibration events can be watched in the status bar refer to Section 1 2 4 Status Bar and the History Logging window of the Colibri Aurea tab Uncheck the Autocalibration check box to disable the Autocalibration feature Note 1 When Autocalibration is disabled a system calibration can be started by the Force Calibration button Note 2 When Autocalibration is disabled Approach Detection is also disabled 2 1 2 3 2 Approach Detection Power Saving Check Box Approach Detection is disabled on Aurea start up Check the Approach Detection Power Saving check box to enable the Wake up on Approach feature 2 1 2 3 3 Automatic Frequency Hopping List Depending on the external noise conditions the MGC3130 controller chooses the best
68. roduction development programmers such as PICSTART Plus and PICkit 2 and 3 DS40001681C page 8 2013 Microchip Technology Inc Preface CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels e Distributor or Representative e Local Sales Office e Field Application Engineer FAE e Technical Support Customers should contact their distributor representative or field application engineer FAE for support Local sales offices are also available to help customers Technical support is available through the web site at http www microchip com support SOFTWARE LICENSE INFORMATION Copyright C 2013 Microchip Technology Inc and its subsidiaries Microchip All rights reserved You are permitted to use the Aurea software MGC3130 Software Development Kit and other accompanying software with Microchip products Refer to the license agreement accompanying this software if any for additional info regarding your rights and obligations SOFTWARE AND DOCUMENTATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY TITLE NON INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL MICROCHIP SMSC OR ITS LICENSORS BE LIABLE OR OBLIGATED UNDER CONTRACT NEGLIGENCE STRICT LIABILITY CONTRIBUTION BREACH OF WARRANTY OR OTHER LEGAL EQUITABLE THEORY FOR ANY DIRECT OR INDIRECT DAMAG
69. s 2 1 1 4 GESTURE INDICATION The classification of gestures is displayed in the Gesture Indication window Refer to Section 2 1 2 Colibri Suite Real Time Control for guidance on performing gestures and controlling the available gesture set 2013 Microchip Technology Inc DS40001681C page 17 MGC3130 Aurea Graphical User Interface User s Guide 2 1 2 Colibri Suite Real Time Control The Real Time Control of the Colibri Suite tab allows the control of gestures in the Gestures section the launch of demo applications in the Applications section and the control of selected features applied to the MGC3130 see Figure 2 4 FIGURE 2 4 COLIBRI SUITE REAL TIME CONTROL Flick West to East Flick East to West Flick South to North Flick North to South Edge Flick West to East Edge Flick East to West Edge Flick South to North Edge Flick North to South Gestures RAIT UU IT IRRRR Application Slide Control Applications Cursor Control Full Screen Cube Windows 8 Integration Features 2 1 2 1 GESTURES The Colibri Suite uses Hidden Markov Models HMM providing user independent gesture recognition The gesture recognition starts when a hand enters the sensing space or when a movement is detected after a resting period A gesture ends when the hand leaves or rests inside the sensing space Gestures can have various sizes and ca
70. s general information that will be useful to know before using the MGC3130 Aurea Graphical Interface Items discussed in this chapter include e Document Layout e Conventions Used in this Guide e Warranty Registration e Recommended Reading e The Microchip Web Site e Development Systems Customer Change Notification Service e Customer Support e Document Revision History DOCUMENT LAYOUT This document describes the installation and use of the MGC3130 Aurea Graphical Interface Microchip s Aurea is a Windows based graphical user interface that can be used to demonstrate evaluate and configure Microchip s MGC3130 3D Tracking and Gesture Controller The document is organized as follows e Chapter 1 Overview e Chapter 2 Aurea Tabs e Chapter 3 Advanced Aurea Features e Appendix A Glossary 2013 Microchip Technology Inc DS40001681C page 5 MGC3130 Aurea Graphical User Interface User s Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions DOCUMENTATION CONVENTIONS Arial font Italic characters Referenced books MPLAB IDE User s Guide rial cap he Settings dialog select Enable Programmer Quotes A field name in a window or _ Save project before build dialog Underlined italic text with A menu path File gt Save right angle bracket Bold characters A dialog button Click OK Click the Power tab N Rnnnn A number in verilog format
71. settings can be stored permanently into the MGC3130 controller Flash by clicking Store in Flash DS40001681C page 32 2013 Microchip Technology Inc Aurea Tabs 2 3 2 6 1 Electrode Selection The optional Center electrode can be enabled or disabled by checking the 4 Electrodes no Center or 5 Electrodes with Center check boxes see Figure 2 19 FIGURE 2 19 ELECTRODE SELECTION Electrode Selection Electrodes 4Electrodes no Center 5 Electrodes with Center 2 3 2 6 2 Electrode Mapping The electrode mapping allocates the MGC3130 Rx pins to the outlaying electrodes see Figure 2 20 The correct electrode mapping can be verified by touching the electrode The corresponding electrode signal in the Rx signal plot should then increase FIGURE 2 20 ELECTRODE MAPPING Electrode Mapping 2013 Microchip Technology Inc DS40001681C page 33 MGC3130 Aurea Graphical User Interface User s Guide 2 3 2 6 3 Signal Matching Signal matching parameters are used to adjust the Rx signal level at the sampling point to about mid level 32768 see Figure 2 21 e Increase Signal Matching parameters to raise the signal e Decrease Signal Matching parameters to lower the signal e Press Auto parameterization to automatically signal match all electrodes executed by Aurea FIGURE 2 21 SIGNAL MATCHING Autoparameterization 2 3 2 7 SYSTEM START UP This step configures the behavior of MGC3130 on start up It all
72. stance Level The second step of the Z position level adjustment is to identify the maximum Z distance level This parameter setting can be modified by using the respective slider see Figure 2 42 For fine tuning click on the slider and use the arrow keys on your PC keyboard The sub steps within the Max Distance Level step are the following e Set Z POS MAX to its maximum value e Touch the surface and then slowly remove the hand in Z direction with a hand posture that is typical for your application e Z position will stop following your hand at some point e Adjust Z POS MAX so that the top of the grid is aligned with the green Z level see Figure 2 43 Press Apply and check if it is now possible to reach the maximum Z position with your hand FIGURE 2 42 MAX DISTANCE LEVEL PARAMETER ADJUST FIGURE 2 43 MAX DISTANCE LEVEL DS40001681C page 44 2013 Microchip Technology Inc Aurea Tabs 2 3 2 8 Filter Adjustment The filter adjustments are used to reduce the system jitter position error when hand is stable and to define the desired hand tracking speed see Figure 2 44 Jitter Reduction Place your hand on the corner close to the electrodes where the jitter is more visible hold it for a few seconds and track the position using the Position Tracking window The position should not have high deviation in a distance from 5 10 mm Increase the Jitter Reduction parameter value to reduce system jitter
73. tes revisions or errata related to a specified product family or development tool of interest To register access the Microchip web site at www microchip com click on Customer Change Notification and follow the registration instructions The Development Systems product group categories are e Compilers The latest information on Microchip C compilers assemblers linkers and other language tools These include all MPLAB C compilers all MPLAB assemblers including MPASM assembler all MPLAB linkers including MPLINK object linker and all MPLAB librarians including MPLIB object librarian e Emulators The latest information on Microchip in circuit emulators This includes the MPLAB REAL ICE and MPLAB ICE 2000 in circuit emulators In Circuit Debuggers The latest information on the Microchip in circuit debuggers This includes MPLAB ICD 3 in circuit debuggers and PICkit 3 debug express e MPLAB IDE The latest information on Microchip MPLAB IDE the Windows Integrated Development Environment for development systems tools This list is focused on the MPLAB IDE MPLAB IDE Project Manager MPLAB Editor and MPLAB SIM simulator as well as general editing and debugging features e Programmers The latest information on Microchip programmers These include production programmers such as MPLAB REAL ICE in circuit emulator MPLAB ICD 3 in circuit debugger and MPLAB PM3 device programmers Also included are nonp
74. the Autocalibration feature When Autocalibration is disabled a system calibration can be started by the Force Calibration button When Autocalibration is disabled Approach Detection is also disabled DS40001681C page 24 2013 Microchip Technology Inc Aurea Tabs 2 2 24 APPROACH DETECTION POWER SAVING CHECK BOX Check the Approach Detection Power Saving check box to enable the Approach Detection feature 2 2 2 5 AUTOZOOM CHECK BOX Uncheck the Autozoom Level check box to disable auto scaling the Y axis in the Signals plot 2 2 2 6 SIGNAL DROP DOWN LIST A drop down list allows selecting the signal streamed by the MGC3130 This signal is then displayed in the plot within the Signals tab The provided signals are listed in Table 2 5 TABLE 2 5 AUREA SIGNALS Name of Signal Description Uncalibrated Signal The Uncalibrated Signal is taken directly from the decimation filter implemented in the MGC3130 Any other signals are calculated from there Two additional indications are displayed below the Signal Level window clipping and noise power variance Signal peaks are observed when the automatic frequency hopping is enabled Selecting only one frequency will avoid these peaks Signal Deviation Signal Deviation shows the signals received from the electrodes after preprocessing and calibration When there is no approach by a hand the signals are approximately zero A users approach causes the signal deviation to ris
75. tion Sensitivity values range between 0 01 and 10 digits Note Very high sensitivity can prevent the system from working properly since gesture recognition can be trigged by noise without any hand present in the sensitive area To adjust Detection Sensitivity please proceed as follows 1 For maximum robustness to noise a Perform gestures as far away from the sensitive area as allowed by the application b Reduce Detection Sensitivity until gestures are no longer detected c Atthis point amplitude from performed gestures is not enough to trigger gesture start This is approximately the minimum sensitivity of the appli cation 2 For maximum system sensitivity a Perform gestures close to the sensitive area b Increase Detection Sensitivity until gestures are no longer detected c Atthis point noise amplitude is enough to trigger gesture start Noise is mixed with the performed gesture signal and no valid gesture is recog nized This is approximately the maximum sensitivity of the application e Recognition Aggressivity This parameter defines how exact gestures have to be performed in order to be recognized Recognition Aggressivity will scale the probability threshold defined for each gesture High Aggressivity will classify a gesture even if it has been very inaccurately performed e g half circle classified as circle diagonal flicks as flick etc Low Aggressivity yields a cautious system that only recognizes a gesture wh
76. valid they will be displayed in red in the measurement results table The user has to check noise sources PC ground hand brick not connected to ground and repeat the measurement Once the Electrode Weighting step is finished press the Confirm Values button DS40001681C page 38 2013 Microchip Technology Inc Aurea Tabs 2 3 2 8 3 E Field Linearization During the E Field Linearization step four measurements with brick and four corresponding reference measurements without a brick are conducted at the center position of the system Always use a Styrofoam spacer brick to establish the distance between hand brick and electrodes The drawing in the E Field Linearization step shows the spacer brick to be used 10 mm 30 mm 50 mm and 80 mm see Figure 2 32 FIGURE 2 32 E FIELD LINEARIZATION ANIMATION BRICK POSITION The button Start Measurement will trigger the measurement After pressing the button a progress bar in the Visualization window will occur see Figure 2 33 FIGURE 2 33 E FIELD LINEARIZATION PROGRESS BAR 2013 Microchip Technology Inc DS40001681C page 39 MGC3130 Aurea Graphical User Interface User s Guide The reference needs to be measured within the next 10s to avoid influences from drifts A down counter is displayed in the Visualization window see Figure 2 34 If the reference measurement has not been acquired during these 10s a pop up window will be displayed see Figure 2 35
77. ve been calculated You may now exit this wizard Save results and exit wizard Press the Save results and exit wizard button to save the results The file is saved with the extension of cws1 2013 Microchip Technology Inc DS40001681C page 61 MGC3130 AUREA GRAPHICAL USER INTERFACE MICROCHIP USER S GUIDE Chapter 3 Advanced Aurea Features 3 1 LOGGING SENSOR DATA It is possible to log and store the data streamed from the MGC3130 controller to the PC This can be used for observing data over long time periods and for system debugging The log file contains Message All messages sent from the MGC3130 in hex format Data System Status information and Sensor Data of the Colibri Suite decoded from the respective messages The data fields contain Operation mode Working frequency XYZ position Uncalibrated Sensor Data Signal deviation Touch Tap Double Tap AirWheel Gestures Note The kind of messages being logged depends on the active Aurea tab and the content displayed inside refer to Section 3 1 2 Log File Content and Format 3 1 1 Record a Log File To start logging data 1 Press the REC button in the upper right corner of Aurea Aurea immediately starts logging data in the background The logged data includes a 30 second history 2 Inthe dialog box confirm the file name and press OK 3 Press REC again to stop the logging process 2013 Microchip Technology

MGC3130 Aurea Graphical User Interface User Guide

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