User Guide
Contents
1. Parameter 40C to 85C 40C to 85C Operating Temperature Storage Temperature Footnote 2 The SpacePoint Scout can operate across this temperature range but performance will vary across the range PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 5 of 19 Table 3 4 Mechanical Characteristics Parameter Value Dimensions x wx h 25 4 x 25 4 x 16 0 mm Weight 6 gm Connector 7 pin SIP 0 1 Header 3 2 Mechanical Drawing Dimensions in mm 1 6 35 3Vout 25 4 2 54 E 1 a SpacePoint un 7 pin SIP connector 2 places 2 54 mm 0 1 header Mounted on bottom side Figure 3 1 Scout Mechanical Drawing PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 6 of 19 4 Using the SpacePoint Scout The SpacePoint Scout supports both UART and I C interfaces for communicating with the user s host system These interfaces are discussed in Sections 4 2 and 4 3 respectively which follow a discussion on setting up the SpacePoint Scout PNI s CommBoard pn 13466 can be mated with the SpacePoint Scout and this in combination with the SpacePoint Scout Test Program provides a quick way to start working with the SpacePoint Scout See the PNI CommBoard User Manual and Section 6 for additional information 4 1 Setup First identify the arrowhead on the SpacePoint Scout PCB then mount the Scout within the host system2. This is done by pointing the device at the center of the screen then sending the ResetRef command using either the UART or I C interface PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 13 of 19 6 SpacePoint Scout Test Program The SpacePoint Scout Test Program is intended to demonstrate the functionality and performance of the SpacePoint Scout The program is built with the Unity3D Game Engine and will run on Windows XP Windows Vista and Windows7 computers To help ensure optimal performance a dedicated graphics card is recommended PNI generally recommends mating the Scout to PNI s CommBoard pn 13466 to run the SpacePoint Scout Test Program as this simplifies the set up However this is not necessary as the program operates via the UART interface and the user can directly run the program using the Scout s UART interface 6 1 Set Up 6 1 1 Software Ensure the following conditions are met The SpacePointTestProgram exe program and its associated file folder SpacePointTestProgram Data are located on your computer s local hard drive and are in the same directory Microsoft s NET Framework and Visual C Redistributable are installed on your computer If you are uncertain if they are installed go to the Control Panel then Add or Remove Programs You should see Microsoft Visual C Redistributable x86 and either Microsoft NET Framewor
3. Direct UART Connection ruvarevnnevnnevnnennnennnrnsnnnvnnennnene 15 6 2 POWERING UP THE SPACEPOINT SCOUT i mevrurevrnnrvvrnnrvnrnrervarnensnreennnnen 15 6 3 LAUNCHING THE TEST PROGRAM ruuvvnrrvvvnrrvvnnnnnrnnnenvsnnenvnnnenvunenvvnneernnnene 16 6 4 RUNNING THE POINT TRACKING SCREEN vrerrerrerrernnrenvnnrenvansennaneennnnen 17 6 5 RUNNING THE MOTION TRACKING SCREEN muurrarvvvnrrvnvnnrenrarnensareernnnen 18 6 6 EXITING THE PROGRAM amp SUMMARY OF COMMANDS 18 Figure 2 1 Figure 2 2 Figure 3 1 Figure 4 1 Figure 4 2 Figure 6 1 Table 3 1 Table 3 2 Table 3 3 Table 3 4 Table 4 1 Table 4 2 Table 5 1 Table 6 1 List of Figures TN NUNAN 4 SpacePoint Scout System Functional Diagram rrarennnrrnnnevnnnevnnrnnnnennn 4 Scout Mechanical Drawing cccccccsscecsseececetenceceeeeeueeseueeseeteuseseeeans 6 Receive Data Structure rrrnrrrarrrrarernnneranernanennnnenanennanennnnnnanennnnennnnnnne 8 Transmit Data Structure rrrarernnrornrrrrarernnrrvanennanernnennanennnnenanennanennsnnene 8 PNI CommBoard Jumper Configuration c cccccseeeeeeeeeeeeeeaeeeesenees 15 List of Tables Sensor COMPONENS ccccececcececceececeececceeccceececcesecceeeecaeeeseeeeeceeessees 5 V Ghara e Se EE ENE ENE 5 Environmental Requirements ccccccseccsecceeeceeeseeeseeeceeeceeeseeeseeesseenes 5 Mechanical CharacteristiCs cccccccecccecccecececeseeeceeeseeeseeeseeese
4. SpacePoint Scout User Manual January 2013 Page 18 of 19 Table 6 1 Summary of SpacePoint Scout Test Program Commands Command 2 Start serial communication between SpacePoint Scout and computer 0 Stop serial communication between SpacePoint Scout and computer H Toggle to show or hide the data screen M Toggle between the Point Tracking and Motion Tracking screens p Set orientation in Motion Tracking screen 4 Center cursor in Point Tracking screen X Exit program PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 19 of 19
5. and the user s processor acts as the Master device The slave address HwADDR is 0x18 All data is presented as unsigned integers in big Endian format For UART communication the format is different being little Endian Command sequences are given below for polling data and resetting the cursor reference frame Polling Quaternion Data Master ST HwADDR os1 J SA HwaDDRH mk swe sa sak sajoxmse Master MAK Mak m m Sive axiss ovmse oviss arms _ azise_ Master MAK MAK NMAK SP Save owns ows Polling Cursor Position Hpos and Vpos Data Master ST HwADDR oss SR HwADDR T __ MAK Save s SAK saKjmesened Master u Jak m MK Slave Reserved Reseved Reseved Reseved Master mk mark Mak m Slave Reseved Reserved Reseved Resevet mse JmAk m MAK m PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 10 of 19 Slave Reseved Reseved Reseved HPOSMSB Master Mak qm pm Slave HPOSMSB1 HPOSLSB 1 HPOSISB VPOSMSB Master MAK MAK MARK __ NMAK SP Slave voswsei vrosisem veoste Establishing the Cursor Reference Frame ResetRef Cursor position tracking is relative to a reference established by the user Normally the user will point the SpacePoint Scout at the center of a screen then
6. such that the arrowhead points in the intended direction of travel or line of sight Figure 3 1 shows the pin out Note that TxD and RxD should be used for UART communication while SCL and SDA should be used for IC communication A couple of points regarding mounting e Mounting should be such that the SpacePoint Scout is isolated from persistent accelerations such as vibration or rapid directional changes The Scout is intended to provide accurate motion tracking while experiencing intermittent accelerations However the Scout will have difficulty accurately tracking motion over extended periods of time if it is constantly subjected to accelerations e While the Scout can compensate for transient changes in the local magnetic field it is good design practice to keep the Scout away from sources of local magnetic distortion that knowingly will change with time such as speakers electrical equipment that will be turned on and off or ferrous bodies that will move Finally it is important to ensure the Scout is at rest when initially powered on and remains at rest for 3 seconds after powering on The gyroscopes initialize during this period and movement of the module will distort the initialization process 4 2 UART Communication The SpacePoint Scout allows for communication with the host system via a UART interface Through the UART the user s system requests the output from the SpacePoint Scout and the module subsequently transmits thi
7. ati rr ith off YSPACEPOINT SpacePoint Scout User Manual INT SENSOR CORPORATION Table of Contents 1 COPYRIGHT amp WARRANTY INFORMATION eeannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnn 3 2 INTRODUCTION avnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnunnnnnunnnnnnnnnnunnnnnunennnunnnnnunnnnnnnnnnunennnnnnnnuunnn 4 3 SPECIFICATIONS Leese 5 Bel CHARACTERISTICS amp REQUIREMENTS cccccceceeeceeeeeeeeeeeeeeeesneeeeeeeaees 5 3 2 MECHANICAL DRAWING vrarrvvrnrrevvrrvvvsrnevssnnnvnnnevvsnnenvnnnenvunnevvuneevvnnenvnnneevnn 6 4 USING THE SPACEPOINT SCOUT uunnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnunnnnnnnnnnnnnnnnunnnnnunennnner 7 4 1 EP saanasuasauosacnaasanesetauesacbassanontsaamnasaecenyactecaacentaahaseuathontannaaamesuteasmsactaaeanceataas 7 4 2 UART COMMUNICATION ruervurvvvnrrevrsnnvvvsrnevvsnrevvnnevvnnnenvsnnenvannevvunnevvnneennuneevnn 7 4 3 IC COMMUNICATION rrvrvrverenvrveverensrvevenensrvevenenerreverenerrevenenerrevesersrreveserennn 10 5 CONVERTING AND INTERPRETING THE OUTPUT uunnnunnnnnunnnnnnnnnnnnnnnnnnnnnnunnnnnner 12 5 1 SPACEPOINT QUATERNIONS ruuvvnrrvvvnrnnvvnrnnvsnnnnvsnnevvannenvnnnevvnnsevvnneevnnneevnn 12 52 CURSOR POSITION sne 13 6 SPACEPOINT SCOUT TEST PROGRAM nnnunnnnnunnnnnunnnnunnnnnunnnnnunnnnnunnnnnnnnnnuunnnnuunnn 14 6 1 ETP 14 SP D EE 000 LA e ERE ENN 14 6 1 2 Hardware Using PNI CommBoard rrrnnnnrnnrrnnrrnnnnnnrnnvnnnnrrnnnnnnnnee 14 6 1 3 Hardware
8. ation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 16 of 19 6 4 Running the Point Tracking Screen The Point Tracking screen will now open as shown below io spacerointscontdestPropran ra YS PACE POINT 3D Sensor System Initialization Point the SpacePoint Scout at the center of the screen and then press the 4 key This establishes the relationship between the orientation of the device and the cursor position ResetRef Next press the 2 key to start outputting data Viewing data To view output data press H so the data window appears In the data box you will see data outputs from the calculated accelerometer readings AOut the quaternions QOut and the horizontal and vertical positions hvPos Pressing H again will toggle back to the Point Tracking screen without the data window Running the Program After pressing 4 and 2 the cursor will track the orientation of the SpacePoint Scout Point the device to the left or right and the cursor will move to the left or right This will happen with very low latency and precise motion detection If you point the device so the cursor goes off screen the device will continue tracking the absolute orientation of the device such that when you later point the device at the center of the screen the cursor will return to the center of the screen If you want to re establish the relationship between the orientation of the SpacePoin
9. duct in effect at time of order PNI will make no changes to the specifications or manufacturing processes that affect form fit or function of the Product without written notice to the Customer however PNI may at any time without such notice make minor changes to specifications or manufacturing processes that do not affect the form fit or function of the Product This warranty will be void if the Products serial number or other identification marks have been defaced damaged or removed This warranty does not cover wear and tear due to normal use or damage to the Product as the result of improper usage neglect of care alteration accident or unauthorized repair THE ABOVE WARRANTY IS IN LIEU OF ANY OTHER WARRANTY WHETHER EXPRESS IMPLIED OR STATUTORY INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF MERCHANTABILITY FITNESS FOR ANY PARTICULAR PURPOSE OR ANY WARRANTY OTHERWISE ARISING OUT OF ANY PROPOSAL SPECIFICATION OR SAMPLE PNI NEITHER ASSUMES NOR AUTHORIZES ANY PERSON TO ASSUME FOR IT ANY OTHER LIABILITY If any Product furnished hereunder fails to conform to the above warranty Customer s sole and exclusive remedy and PNI s sole and exclusive liability will be at PNI s option to repair replace or credit Customer s account with an amount equal to the price paid for any such Product which fails during the applicable warranty period provided that i Customer promptly notifies PNI in writing that such Product is defective and furn
10. e kRequestQResp frame is given below in Table 4 2 Table 4 2 Structure of UART kRequestQResp frame Byte Description 1 2 Byte Count 0x1A 3 Frame ID 0x82 4 Accel X LSB D Accel X MSB 6 Accel Y LSB 7 Accel Y MSB 8 Accel Z LSB 9 Accel Z MSB 10 Quaternion X LSB 11 Quaternion X MSB 12 Quaternion Y LSB 13 Quaternion Y MSB 14 Quaternion Z LSB 15 Quaternion Z MSB 16 Quaternion W LSB 17 Quaternion W MSB 18 Horizontal Position Hpos LSB 19 Horizontal Position Hpos MSB 20 Vertical Position Vpos LSB 21 Vertical Position Vpos MSB 22 Reserved 23 CRC 16 Upper Byte 24 CRC 16 Lower Byte 25 Upper Trailing Byte 0x0D 26 Lower Trailing Byte 0x0A PNI Sensor Corporation Doc 1017545 r03 Leading Byte 0x24 SpacePoint Scout User Manual January 2013 Page 9 of 19 Note The CRC mentioned in this document adheres to a 16 bit Fletcher algorithm See htto en wikipedia org wiki Fletcher 27s_checksum kResetRef Cursor position tracking is relative to a reference established by the user Normally a user will point the SpacePoint Scout at the center of a screen then press a keyboard button or a button on the user s device that resets the cursor to the center of the screen The UART command to set the cursor at the center of the screen is 0x34 4 3 IC Communication The SpacePoint Scout also supports communication with the host system via an IC interface The module acts as the Slave device
11. eeseeeseeeees 6 UART Configuration cccccccccsecccceececeeeeeseeeeseeeeeseecessueessueeesaueesseeesaaees 8 Structure of UART kRequestQResp frame rrarnnnnnnennnnnrnnnnennannnnnnnennnnennnn 9 Scaling of Output Data wnesiccrciesescpesnsdternsenesesndeccanenceensnendeleseincetiaceetadeiaanee 12 Summary of SpacePoint Scout Test Program Commands 06 19 1 Copyright amp Warranty Information Copyright PNI Sensor Corporation 2012 All Rights Reserved Reproduction adaptation or translation without prior written permission is prohibited except as allowed under copyright laws Revised January 2013 for the most recent version visit our website at www pnicorp com PNI Sensor Corporation 2331 Circadian Way Santa Rosa CA 95407 USA Tel 707 566 2260 Fax 707 566 2261 Warranty and Limitation of Liability PNI Sensor Corporation PNI manufactures its Products from parts and components that are new or equivalent to new in performance PNI warrants that each Product to be delivered hereunder if properly used will for ninety 90 days following the date of shipment unless a different warranty time period for such Product is specified i in PNI s Price List in effect at time of order acceptance or ii on PNI s web site www pnicorp com at time of order acceptance be free from defects in material and workmanship and will operate in accordance with PNI s published specifications and documentation for the Pro
12. ishes an explanation of the deficiency ii such Product is returned to PNI s service facility at Customer s risk and expense and iii PNI is satisfied that claimed deficiencies exist and were not caused by accident misuse neglect alteration repair improper installation or improper testing If a Product is defective transportation charges for the return of the Product to Customer within the United States and Canada will be paid by PNI For all other locations the warranty excludes all costs of shipping customs clearance and other related charges PNI will have a reasonable time to make repairs or to replace the Product or to credit Customer s account PNI warrants any such repaired or replacement Product to be free from defects in material and workmanship on the same terms as the Product originally purchased Except for the breach of warranty remedies set forth herein or for personal injury PNI shall have no liability for any indirect or speculative damages including but not limited to consequential incidental punitive and special damages relating to the use of or inability to use this Product whether arising out of contract negligence tort or under any warranty theory or for infringement of any other party s intellectual property rights irrespective of whether PNI had advance notice of the possibility of any such damages including but not limited to loss of use revenue or profit In no event shall PNI s total liability fo
13. k 3 5 or Microsoft NET Framework 4 Client Profile in the list of currently installed programs If either is missing they can be downloaded at Microsoft s website http www microsoft com downloads en default aspx In the event the Test program does not work properly uninstall all versions of Microsoft NET Framework and reinstall it Close all other applications when running the program to ensure optimal performance Also it is advisable to operate the program on a computer with a single screen 6 1 2 Hardware Using PNI CommBoard If using the PNI CommBoard plug the Scout into the CommBoard and configure the jumpers as shown in Figure 6 1 PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 14 of 19 6 GND MH na GN a GRU c2G Huru ia ejh GRIS cu Prim Timi F il Gaur ICE E Figure 6 1 PNI CommBoard Jumper Configuration 6 1 3 Hardware Direct UART Connection If incorporating the SpacePoint Scout directly into a host system the UART interface should be directly implemented This involves following the set up instructions discussed in Sections 4 1 and 4 2 and specifically requires soldering or otherwise connecting the GND Vin TxD and RxD pins on the Scout to the host system as indicated in Figure 3 1 6 2 Powering Up the SpacePoint Scout If you are using the PNI CommBoard connect the CommBoard to your computer using a USB to mini USB cable The red a
14. ncorporates PNI s Geomagnetic Sensor Suite with a 3 axis gyroscope and 3 axis accelerometer resulting in accurate motion tracking with no gyro drift The system outputs are internally processed using PNI s SpacePoint algorithm to provide calculated orientation data in the form of quaternions and horizontal and vertical cursor positions SpacePoint Scout 3 axis Accelerometer User s Application Microprocessor Program use I SpacePoint API UART or 12C I I m PNI Geomagnetic Sensor Suite Figure 2 2 SpacePoint Scout System Functional Diagram PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 4 of 19 3 Specifications 3 1 Characteristics amp Requirements Table 3 1 Sensor Components Sensor Type Manufacturer Model 3 Axis Gyroscope ST Microelectronics L3G4200D 3 Axis Accelerometer ST Microelectronics LISSLVO2DL 3 Axis Magnetic Sensor PNI Sensor Corporation RM3000 f Table 3 2 I O Characteristics Parameter Value Supply Voltage Vin 3 8 to 10 VDC Communication Interface UART amp I C Communication Protocol PNI Binary Communication Data Rate 115200 baud Output Data Rate 125 Hz High Level Input 2 V to 3 8 V Low Level Input 0 5 V to 1 1 V High Level Output 2 4 V min 8 mA Low Level Output 0 4 V max 8 mA Footnote 1 For C communication the Scout incorporates an internal 4 7 KQ pull up resistor Table 3 3 Environmental Requirements
15. nd blue LEDs on the CommBoard should light up Press the Reset button SW1 on the CommBoard to ensure the computer is correctly interpreting your device s communication protocol If the Scout is integrated into a host system and the UART is directly implemented then supply power to Vin Note Ensure the SpacePoint Scout is fully at rest when powering up and that it remains so for at least 3 seconds afterwards This is so the gyro bias properly stabilizes during the initial power on PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 15 of 19 6 3 Launching the Test Program Launch the program by double clicking on SpacePointTestProgram exe The program Configuration window will appear as shown below The default settings normally work well but you can change them if you prefer Note that if Windowed is unchecked the program will launch in full screen mode Click lt Play gt to proceed spacePoiniscondestProgrambonhguraton PNI SENSOR CORPORATION Graphics Input Screen resolution Graphics quality Fastest Now the port configuration screen will appear as shown below Set the COM Port to the appropriate port If you are uncertain which port this is in Windows go to the Device Manager and click on Ports to see which Port shows a USB Serial Port Set the baud rate to 115200 Click lt Resume gt fone SpacePoint segue soe Program i JSPACEPOINT PNI Sensor Corpor
16. on Also other definitions of a rotation quaternion exist such as q qw qx qy qz For the SpacePoint algorithm the rotation quaternion represents the absolute rotation from the NED North East Down reference orientation The NED reference orientation has the x axis pointed north the y axis pointed east and the z axis pointing down If the SpacePoint Scout is held level with the front of the device pointing towards magnetic north then q 0 0 0 1 since 0 PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 12 of 19 5 2 Cursor Position The cursor position values Hpos and Vpos are used to map the SpacePoint Scout s orientation to a cursor s position on a TV or computer screen Standard practice is for Hpos and Vpos values to range from 0 5 to 0 5 such that 0 0 is the center of the screen Hpos 0 5 represents the left side of the screen and Vpos 0 5 represents the bottom of the screen The formulas in Table 5 1 show how to covert the raw Hpos and Vpos output to properly scaled values assuming a 16 9 screen ratio Consequently an 60 rotation in the horizontal plane will move the cursor from the left side of the screen to the right side while an 34 rotation in the vertical plane will move the cursor from the top to the bottom of the screen Before using the position data it is first necessary to set the SpacePoint Scout orientation with respect to the screen
17. press a keyboard button or a button on the user s device that will reset the cursor to the center of the screen The command sequence to set the cursor at the center of the screen is given below Master ST HWADDR Joea SP fe sa PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 11 of 19 5 Converting and Interpreting the Output The various outputs provided by the SpacePoint Scout are in an unscaled format Table 5 1 provides conversion and scaling information for both the UART and FC interfaces Further discussion on SpacePoint Quaternions and Cursor Position follows Table 5 1 Scaling of Output Data Output Interface Equation Units or Range Quaternions UART amp IC q_scaled q output 32768 32768 Range 1 0 to 1 0 Acceleration UART Accel_g Accel output 32768 6 32768 g Hpos_scaled Hpos_output 32768 32768 a Hpos amp Vpos Re Vpos scaled Vpos output 32768 32768 nange NS Hpos amp Vpos IC See IEEE 754 Range 0 5 to 0 5 5 1 SpacePoint Quaternions Rotation quaternions are 4 element vectors which describe the rotation of an object with a single angle and a rotation axis v vx vy vz For the SpacePoint algorithm the rotation quaternion is defined as q qx qy qz qw qo qi q2 qs where qx vx sin P 2 qy vy sin P 2 qz vz sin P 2 qw cos P 2 Note that gw often is referred to as the scalar term of the quaterni
18. r all claims regarding a Product exceed the price paid for the Product PNI neither assumes nor authorizes any person to assume for it any other liabilities Some states and provinces do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may have other rights that vary by state or province PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 3 of 19 2 Introduction Thank you for purchasing PNI Sensor Corporation s SpacePoint Scout motion tracking module pn 13317 We re certain you ll be impressed with its performance The SpacePoint Scout outputs precise data regarding the module s orientation This can be used for a variety of motion tracking applications most notably for motion based controllers for TV and set top box navigation and for video gaming The impressive performance of the SpacePoint Scout allows a manufacturer to competitively differentiate their products by easily incorporating intuitive accurate and low latency motion control into their systems Figure 2 1 SpacePoint Scout Module Today s controllers are becoming more intuitive with the addition of gyros and accelerometers but these sensors alone result in drift and inaccurate pointing As shown in Figure 2 2 the SpacePoint Scout i
19. s data The outputs include quaternions which prescribe PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 7 of 19 the orientation of the module and the horizontal and vertical position for a cursor See Section 5 for how to interpret the outputs Table 4 1 UART Configuration Parameter Value Baud Rate 115200 Data Bits 8 Parity none Stop Bits 1 Flow Control none The receive Rx and transmit Tx data structures and data frames for the UART interface are shown below in Figure 4 1 and Figure 4 2 All data is presented as unsigned integers in little Endian format For C communication the format is different being big Endian Note that the receive command is a single byte frame RX Command Ulnt8 Request quaternion data from SpacePoint algorithm Figure 4 1 Receive Data Structure 0x24 ByteCount Becket Fare CRC 16 OxOD OxOA UInt8 UInt8 Ulnt16 Ulnt8 UInts Frame ID Payload UInt8 UInt8 kRequestQResp Output SpacePoint quaternion data Figure 4 2 Transmit Data Structure PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 8 of 19 kRequestQ amp kRequestQResp The command to receive data kRequestQ is 0x32 Once the SpacePoint algorithm receives the kRequestQ command the algorithm will operate in push mode such that the response frame is constantly transmitted at 125 Hz The structure of th
20. t Scout and the cursor position press 4 again This will stop data from outputting and the cursor will freeze where it was when you pressed 4 Press 2 again to start outputting data If you did not change the orientation of the device since pressing the 4 key the cursor will move to the center of the screen PNI Sensor Corporation Doc 1017545 r03 SpacePoint Scout User Manual January 2013 Page 17 of 19 To stop outputting data press 0 6 5 Running the Motion Tracking Screen The SpacePoint Scout Test Program also provides a 3 D rendering of the SpacePoint Demonstration Module This is accessed by pressing M to toggle to the Motion Tracking screen Pressing the H key brings up the data window just as on the Point Tracking screen Press the 2 key to start outputting data Note that the rendered image will not change even though data is being output Initialize and align the viewpoint in the Motion Tracking screen by pressing P Now the rendered image will track the orientation of the device he SPacenpinnksconiestPropran Output Data AOu 0 732 r JSPACEPOINT Pressing M again toggles you back to the Point Tracking Screen 6 6 Exiting the Program amp Summary of Commands To exit the program press the x key on your computer s keyboard Table 6 1 summarizes the various commands for the SpacePoint Scout Test Program PNI Sensor Corporation Doc 1017545 r03
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