Osprey XT User`s Manual
Contents
1. Since bad matches can result in 15 LaDajac Inc high certainty values keep this number as high as possible If you have the Frame grabber Diagnostics window open while performing aims it will show the calculated certainty Osprey XT User s Manual Rev 7 8 Set the hot zone threshold All pixels above this percentage of the brightest pixel are used in the centroid calculation to set the location of the search ROI during the detection process 9 1 5 Screwdrivers IntelliAim is capable of controlling screwdrivers It can control one screwdriver for horizontal aim and one for vertical aim Screwdrivers are setup using the Screwdrivers tab of the lamp setup The screwdrivers can be controlled using the integrated motor controllers or through an external motor controller that accepts analog voltage control signals IntelliAim uses the analog output voltage analogy for all screwdriver setup This voltage ranges from 10V to 10V The absolute value of the voltage controls the speed and polarity controls the direction Large voltages cause the screwdrivers to turn fast and small voltages cause the screwdrivers to turn slow By default positive voltages turn the screwdriver clockwise and negative voltages turn it counterclockwise When using the analog output voltage control there is also a digital signal that is used to signal when the screwdrivers should be enabled This signal is active whenever IntelliAim attempts to turn the screwdriver2. 00 00 00 63 We have now completely processed the packet 33 LaDajac Inc Please note that when processing packets with a PC it is not necessary to transform the values to big endian PCs process values in little endian format so the values can be used directly without conversion to big endian Osprey XT User s Manual Rev 7 17 0 IntelliAim Demo This section covers some of the additional features that allow the Demo version of IntelliAim to function as if it were actually connected to hardware There are two additional windows when IntelliAim is executed in demo mode These are the Virtual I O Panel and Virtual Frame Grabber Panel 17 1 Virtual I O Panel The Virtual I O Panel emulates the aimer s controller a PLC for example It also shows the states of the digital outputs and screwdriver control lines The Virtual I O Panel can be invoked for the production version of IntelliAim by including vi on the command line 17 2 Virtual Frame Grabber Panel The Virtual Frame Grabber Panel simulates IntelliAim acquiring an image from the aimer head Once the image is loaded IntelliAim can perform all the functions on the image as it would in a real time aim The Virtual Frame Grabber Panel can be invoked for the production version of IntelliAim by including vf on the command line 18 0 Mechanical Setup Figure 8 shows a drawing of the aim head The aim head should be mounted using the mounting bl
3. 1 Virtual VO Panel onoocnonnooneconocanocannoonooanconaconocannonononnconaconaconncnnnonroonnconaconacan oc rooarconrcononoos 32 17 2 Virtual Frame Grabber Panel oomoooonnoonoconoconoonconoconacanocanocononanconacanoconoconncanconoconaconoconass 32 18 0 MECHANICAL SETUP 45e ia nano bons nd oido co ctia RR Pla a na sua aA n on nk i iR RR 32 19 0 WARRANTY crac a edi KD 34 20 0 SERVICE E i 35 21 0 LEGAL NOTIFICA TION Sousa a 35 QDajac Inc Osprey XT User s Manual Rev 7 1 0 Introduction This manual describes how to use the Osprey XT Aim System It includes information about the hardware as well as IntelliAim our full featured aiming software IntelliAim was designed to give you as much flexibility as possible There are several user defined parameters that allow IntelliAim to be customized to fit your specific needs IntelliAim even allows you to create your own aim algorithms While it is not required for operation the Osprey XT implements an advanced electronic interface that allows it to be controlled by an external device The controller can be as elaborate as a PC or as simple as switches and indicator lamps In addition to this control interface the Osprey XT also controls electronic screwdrivers Utilizing these interfaces a complete automated aim station can be designed 2 0 Performance Specifications Specification Field of View Horizontal 60 25 Vertical 45 25 Candela Temperature Storage T
4. 2 4 3 and then moves up by a user defined distance The current row is then scanned to find the flare The point at which the row intersects the flare is the aim point Figure 5 shows the V O aim point as a pink cross and the V O aim point as a blue cross ll LaDajac Inc Osprey XT User s Manual Rev 7 Figure 5 Contours of beam pattern showing the V O aim algorithm See Table 1 for the meanings of the region labels 9 1 2 4 5 Fog Algorithm The fog algorithm works like the V O algorithm with one difference Instead of the X offset being relative to the horizontal location of the hot zone it is relative to V V Positive offsets move the aim point right and negative offsets move the aim point left The vertical aim 1s at the location of the horizontal cutoff Cutoff V Figure 6 Contours of beam pattern showing the fog aim algorithm 12 LaDajac Inc 9 1 2 5 Custom Aim Algorithms Osprey XT User s Manual Rev 7 In addition to providing several standard aim algorithms IntelliAim allows you to create your own aim algorithms This is done by creating a Microsoft Windows DLL that contains the new algorithm s The DLL is a standard format with standard calling format for the functions contained within the DLL Dajac provides a Software Development Kit SDK for IntelliAim Using the SDK it is possible to create entirely new algorithms There are two files included in the SDK cust alg cpp and alg public
5. 5a ff ff ff 40 ce 00 00 1f 00 00 00 24 00 00 00 23 00 00 00 5a ff ff ff Od fe ff ff ec a9 00 00 55 00 00 00 5 00 00 00 3f 00 00 00 16 03 Each byte of this packet is shown as a two digit hexadecimal value Therefore the packet length is 77 bytes To decode the packet first strip the SOP and EOP bytes The SOP is the 0x02 at the beginning and the EOP is the 0x03 at the end Stripping these bytes leaves the following data 21 00 00 00 81 00 00 00 1c 1b 22 00 00 13 ff ff ff cO 2b 00 00 1b 22 00 00 00 a6 00 00 00 5a ff ff ff 40 ce 00 00 1f 00 00 00 24 00 00 00 23 00 00 00 5a ff ff ff Od fe ff ff ec a9 00 00 55 00 00 00 5 00 00 00 3f 00 00 00 16 29 LaDajac Inc The next step is to remove the escape sequences An escape sequence is identified by the presence of the ESC control code To remove the escape sequences remove the ESC control code and subtract the ESC OFFSET from the following byte The ESC value is 0x1B and the ESC OFFSET value is 0x20 This leaves us with the following Osprey XT User s Manual Rev 7 21 00 00 00 81 00 00 00 1c 02 00 00 13 ff ff ff cO 2b 00 00 02 00 00 00 a6 00 00 00 5a ff ff ff 40 ce 00 00 1f 00 00 00 24 00 00 00 23 00 00 00 5a ff ff ff Od fe ff ff ec a9 00 00 55 00 00 00 S 00 00 00 3f 00 00 00 16 The last byte at the end of this data 0x16 is the checksum byte Verify that the packet data does not contain transmission errors by removing the checksum byte calculating the checksum for the remaining
6. This is a great feature but there are occasions when you want to see the image at the native camera resolution To change the window size such that the lamp image is the same size as the camera image select Set Display to Camera Resolution from the View menu This is particularly useful prior to using the Save Display menu item 8 0 Security The security feature provides a method to control access to IntelliAim s configuration It is not possible to modify the configuration without first logging in To login select Security Login While logged in any changes the user makes to the setup are saved in a log The log can be viewed at a later time to find what changed when it changed and what user made the change Only users with administrator rights are allowed to modify user properties Therefore at least one administrator must exist at all times When IntelliAim is installed a default administrator is defined This user has a username of Admin without the quotes and no password You can delete this administrator after you create another administrator Be sure to always logout when you are finished otherwise another user could make changes that will be associated with your username in the log file To logout select Security Logout Users can change their passwords while logged in but only administrators can modify the other user properties To administrate users select Security Users A window showing all current users is
7. beam detect certainty value Final Aim Data Subfields X Y Intensity Description The final aim Photo Points Subfields Number of photo points X Y Intensity X Y Intensity Description The number of photo points followed by the location and intensity of each photo point High Beam Audit Data Subfields Aim Data Photo Points Description See the description for Aim Data and Photo Points Motor Position Data Subfields Number of motor position points Aim Data Photo Points Aim Data Photo Points 20 LaDajac Inc Description The number of motor test positions followed by the aim data and photo point data for each motor position Osprey XT User s Manual Rev 7 If a function is not performed nothing is written for the field s For instance if beam detection is not performed the output for that field will be If a function that has many test instances such as photo points is not performed 0 is written for the number of tests performed for that function All distance units are mm at 10m and all intensity units are candela The delimiter between fields is the semicolon If a semicolon is required within a field it will be immediately preceded by a backslash V 15 0 VO and Screwdriver Controller Interfaces This section describes the digital I O and motor control interfaces used by IntelliAim Refer to Table 2 for a description of the s
8. data and comparing the calculated checksum to the checksum byte After removing the transmitted checksum we have 21 00 00 00 81 00 00 00 1c 02 00 00 13 ff ff ff cO 2b 00 00 02 00 00 00 a6 00 00 00 5a ff ff ff 40 ce 00 00 1f 00 00 00 24 00 00 00 23 00 00 00 5a ff ff ff Od fe ff ff ec a9 00 00 55 00 00 00 5 00 00 00 3f 00 00 00 To calculate the checksum add all these bytes together 21 00 00 00 81 00 00 00 1c 02 00 00 13 f f f ff c0 2b 00 00 02 00 00 00 a6 00 00 00 5a ff ff ff 40 ce 00 00 1 00 00 00 24 00 00 00 23 00 00 00 5ba ff ff ff 0d fe ff ff rec ta9 00 00 55 00 00 00 5 00 00 00 3 00 00 00 Ox1316 The packet checksum is the least significant byte of our calculated value Therefore the calculated packet checksum is 0x16 This matches the transmitted checksum so we know that our received packet data does not contain transmission errors After removing the checksum the remaining data represents the packet s ID and fields The packet ID is the first four bytes In our example the ID is 21 00 00 00 This data represents an integer in little endian format To find its value convert it to big endian by reversing the bytes Reversing the bytes gives us 00 00 00 21 Therefore the packet ID is 0x21 Referring to Section 16 2 we find that this is the ID of the Post Aim Packet Therefore we know the packet is a Post Aim Packet Since we know the ID we can discard that data Doing so leaves 81 00 00 00 1c 02 00 00 1
9. h Cust alg cpp contains the functions that are called by IntelliAim Alg public h contains all the macros prototypes etc When IntelliAim is executed GetAlgorithms is called This function provides IntelliAim with a complete list of user defined algorithms The Lamp Setup dialog box provides a way for any of the user defined algorithms to be assigned as the aim algorithm for a specific lamp The OnMoreButtonClick function provides a way for the user to setup a custom task This function is accessed executed through the Lamp Setup window by clicking on the More button Whenever an option value is changed in the Lamp Setup Window the ValidateOption function is called Its purpose is to detect 1f the option value is valid The following functions are provided for custom aim development they are listed alphabetically int WINAPI DIIEntryPoint HINSTANCE hinst unsigned long reason void Description This function is called when the custom aim DLL is loaded by IntelliAim This function is also called when the DLL is unloaded Arguments s Return s Default 1 void GetAim const TAlgorithm Algorithm const BYTE Image int ImageHeight int Image Width double AimX double AimY Description This function is called to get the aim of the current image Argument s Algorithm const Talgorithm The algorithm to use when calculating the aim Image const BYTE The image data Each pixel is in the range 0 255 0 i
10. how the screwdrivers are controlled They can be controlled using analog outputs or using the integrated motor controllers Osprey XT User s Manual Rev 7 With the analog output method you must have an external motor controller that can be controlled using analog signals See Section 9 1 5 for more information Also adjustable from the General Setup window is the minimum Aiming output pulse width This allows the operator to set a minimum active time for the Aiming signal Ideally the Aiming output would connect to a controller input that could interrupt on level changes In that case the minimum Aiming pulse width can be set to 0ms However in cases where the controller is sampling the Aiming signal to detect changes a minimum pulse width is required The value of this minimum width will be dictated by the controller s sample rate 10 0 Aiming IntelliAim supports three aiming modes manual remote and audit Manual aim is used when there are no automated screwdrivers In this mode the user is expected to adjust the lamp as instructed by the aimer until a correct aim is achieved Audit aim is used to simply find the current aim and intensity and report the results Remote aim is used to arm the Osprey XT when it is being controlled via the electronic control interface In this mode the Osprey XT monitors the digital I O and only begins aiming when signaled If the lamp style setup does not disable the electronic screwdriver control
11. other cause not in the control of Dajac Labor charges for installation or set up adjustment of user controls or preferences and installation or repair of any systems outside the unit LaDajac Inc 20 0 Service Warranty Service See Product Warranty for repair and service of units that meet the conditions covered by the warranty Out of Warranty Service Any and all items must be authorized for return in advance with a Returned Material Authorization RMA assigned by Dajac To obtain repair service you must return the unit to Dajac freight prepaid No warranty is given on parts or labor for out of warranty repairs A unit sent in for service will be thoroughly inspected and tested before being returned Dajac Inc 17152 Shadoan Way Westfield IN 46074 USA Phone 317 258 0223 21 0 Legal Notifications User s Manual Copyright This document is Copyright 2006 2009 Dajac Inc Disclaimer Osprey XT User s Manual Rev 7 Service Documentation A product service sheet will accompany each unit serviced and returned This sheet will contain the following Failure mode Reason of failure Method of resolution Parts that were repaired replaced Service Limitations Service is limited to Dajac s products only On site Service Dajac makes no provisions for on site service and is not obligated to do so In the event an on site service request is granted appropriate charges apply If on site serv
12. shown as the red cross in Figure 4 The horizontal position of the hot zone aim point is used to align the lamp horizontally To find the correct vertical alignment for the lamp a column that is a distance of X Offset away from the hot zone aim point is scanned for the maximum gradient The location of this maximum gradient is used to align the lamp vertically Therefore the V O aim point is located where the horizontal position of the hot zone aim point intersects the vertical location of the maximum gradient in the scanned column This is shown as the blue cross IntelliAim allows the user to specify the threshold used to calculate the hot zone aim point and the X Offset that is used to define which column is searched By adjusting these parameters the lamp s cutoff can be aligned to a correct and consistent position Care should be taken to choose an X Offset that results in scanning a column that has a stable cutoff See Section 9 1 2 4 1 for details of the hot zone algorithm 9 1 2 4 4 Visual Optical Plus Algorithm For some V O and European style beam patterns the horizontal position of the hot zone is not consistent with respect to the cutoff when examining several lamps of the same model In addition there is often a requirement to base the horizontal aim on the flare see Figure 5 In this case the V O algorithm is not sufficient and the V O algorithm must be used The V O algorithm first finds the V O aim point see Section 9 1
13. the Osprey XT controls electronic screwdrivers to properly align the lamp Audit aims can also be performed while in remote aim mode by issuing an audit command via the digital I O Use Stop to immediately halt any aim that is in progress 11 0 Diagnostics Diagnostics provide a method of checking the hardware without actually performing an aim There are three diagnostics windows available Screwdrivers Digital I O and Frame Grabber 11 1 Screwdrivers Using the Screwdrivers Diagnostics window you can control each screwdriver independently This allows you to select various voltages and run check the screwdrivers at those voltages 11 2 Digital VO Digital I O diagnostics allow you to bypass or imitate the digital I O functions See Section 15 This can be very useful in troubleshooting situations by allowing you to verify that the digital I O is working properly without performing an aim The LEDs represent the inputs and the outputs can be exercised by placing a check in the checkboxes 18 LaDajac Inc 11 3 Frame Grabber Osprey XT User s Manual Rev 7 Frame Grabber Diagnostics allow you to control troubleshoot the frame grabber You can perform a continuous or single image grab or perform an audit aim and adjust the exposure for each grab Notice that the Certainty of the beam pattern detection algorithm See Section 9 1 4 is displayed here Also note that the exposure value will update with the current value while pe
14. 3 ff ff ff cO 2b 00 00 02 00 00 00 a6 00 00 00 5a ff ff ff 40 ce 00 00 1f 00 00 00 24 00 00 00 23 00 00 00 5a ff ff ff 0d fe ff ff ec a9 00 00 55 00 00 00 5 00 00 00 3 00 00 00 Through further inspection of Section 16 2 we find that the Post Aim Packet fields are STATUS X Y INTENSITY and NPP followed by the photo points These fields appear in the packet in the order they are listed Therefore our packet has the following field values STATUS 81 00 00 00 X 1c 02 00 00 Y 13 tf f ff 30 LaDajac Inc INTENSITY cO 2b 00 00 Osprey XT User s Manual Rev 7 NPP 02 00 00 00 After transforming the fields to big endian we have STATUS 00 00 00 81 X 00 00 02 1c Y FF FF FF 13 INTENSITY 00 00 2b cO NPP 00 00 00 02 Again referring to Section 16 2 we find that a STATUS of 0x81 means Aim Ok Therefore this packet is reporting that the aim is correct Converting X Y INTENSITY and NPP into decimal values gives us X 540 mm Y 234 mm INTENSITY 11200 cd NPP 2 NPP 2 means that there are two photo points The first one is decoded as X a6 00 00 00 166 mm Y 5a ff ff ff 166 mm INTENSITY 40 ce 00 00 52800 cd RED 1 0000002 31 GREEN 24 00 00 00 36 BLUE 23 00 00 00 35 and the second one is decoded as X 5a ff ff ff 166 mm Y 0d fe ff ff 243 mm INTENSITY ec a9 00 00 43500 cd RED 55 00 00 00 85 GREEN 5f 00 00 00 95 BLUE 3f
15. 6 Digital IDA The lamp ID is linked to a lamp style in the lamp style setup Input within IntelliAim IDO 1s the least significant bit and ID6 is the most significant bit 57 Digital ID3 The lamp ID is linked to a lamp style in the lamp style setup Input within IntelliAim IDO is the least significant bit and ID6 is the most significant bit 58 Digital ID2 The lamp ID is linked to a lamp style in the lamp style setup Input within IntelliAim IDO is the least significant bit and ID6 is the most significant bit 59 Digital ID1 The lamp ID is linked to a lamp style in the lamp style setup Input within IntelliAim IDO is the least significant bit and ID6 is the most significant bit 60 Digital IDO The lamp ID is linked to a lamp style in the lamp style setup Input within IntelliAim IDO is the least significant bit and ID6 is the most significant bit 15 1 Aim Audit Cycle Timing Figure 7 shows the signals and timing for aim and audit cycles NT QDajac Inc Osprey XT User s Manual Rev 7 Request Lamp ID X X OK i t APW Figure 7 Aim Audit Cycle The external controller begins the cycle by setting the Lamp ID lines to the desired states and then setting Request high When IntelliAim detects that Request is high it samples the Lamp ID lines and selects the corresponding lamp style It then sets OK low and Aiming high When the aim or audit is finished IntelliAim sets OK high if the aim is OK or keep
16. LaDajac Inc The Reset Stats button discards the current sample set and begins building the set again when it acquires the next sample Osprey XT User s Manual Rev 7 The Actual Sample Size is the number of samples in the current set This value counts up as samples are acquired When the Target Sample Size 1s reached the oldest sample is discarded every time a new sample is added to the set 14 0 Data Logging The data logging feature writes an entry to a text file for every lamp that is correctly aimed A new file is created every day and the files are stored in the IntelliAim directory with the name date log where date is the date the file is created The data in the file has the following format Log Version Date amp Time Lamp Name Beam Detect Certainty Final Aim Data Photo Points High Beam Audit Data Motor Position Data Each field is described in detail below Log Version Description This is an integer value that is the version number for the format of the log entry Whenever the log format changes this version number will be increased Therefore the log version number can be used to decide how to parse the log entry The log version for the format described here is 5 Date amp Time Subfields Date Time Description The date and time at which the log entry was written to the log file Lamp Name Description The name of the lamp style Beam Detect Certainty Description The
17. Osprey XT User s Manual Revision LaDajac Inc Contents 1 0 INTRODUCTION eeu 4 2 0 PERFORMANCE SPECIFICATIONG ccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaeeeees 4 3 0 SYSTEM BLOCK DIAGRAMg cisssseeeeesseseenn nennen nnn nnn nnn nnnnn nnns nnn n nnn nnnm 4 4 0 INSTALLING INTELLIAIM eeeeeeeeeeeeeeeeeeeeeeenennn nennen nnn nn nnn nnn nnns 5 A I O E E 5 6 0 SAVING AND LOADING IMAGES cccccccconooooononcnnnnannncnnnnnnnnnnnnnnnnnnnennnannrerenannrenennns 5 7 0 DISPLAY RESOLUTION e reru ue oue aeuo I e e Yonne panneau ae eo ruere Ea r eaae eek eno dois 6 8 0 SECUR a ahin 6 A AA O O 6 9 MEX Oi EE ndisse roS 6 9 LT Name e Re tee te p eet rte tte te tenet 7 9 1 2 Adm ATSOTItBEn iii e eo e e e HEC ra HR Pee rau oben stage rede 7 O A A A A N 7 971 2 2 AI Pot la siis 7 91 2 3 AT Sign Conventlon reete eter te e tr eR Ne E T 7 9 1 2 4 Standard Aim Algorithms essssssssssesseeeeeeee eene ennt nene nnns 7 9 1 2 4 1 Hot Zone Algo Mii rrr treni der Hee eint rere tias 7 9 1 2 4 2 Fractional Zone Algorithm sessssesssesseeeeeeeeeeenne enne 9 9 1 2 4 3 Visual Optical Algorithm 10 9 1 2 4 4 Visual Optical Plus Algorithm ene 11 9 1 2 4 5 Fog Algorithm ri C DE ERR RR AI EE ES 12 9 1 2 5 Custom Aim Algorithms esessssseeeeeeneeee e
18. anted to be free from defects from workmanship and material for a period of one 1 year from the date of purchase under normal use Within this period Dajac will replace or repair any defective part free of charge Specifically Dajac warrants the following major components Aim system includes computer internal cards monitor keyboard and mouse Camera system includes camera and aim head IntelliAim Replacement parts installed during the warranty period are warranted only for the balance of the original warranty How To Get Warranty Service To obtain warranty service you must return the unit to Dajac freight prepaid Before the unit is returned a Returned Merchandise Authorization RMA number must be issued from Dajac When the repair is completed the unit will be returned postage paid Dajac Inc 17152 Shadoan Way Westfield IN 46074 USA Phone 317 258 0223 not Cover 34 Any of the parts not specifically mentioned under Replacement Parts and Service Labor Damage during shipment Improper handling Improper installation Improper usage Alteration In no event shall Dajac be liable for any anticipated profits loss of profits loss of use incidental or consequential damages or any losses incurred in connection with the purchase use of the product Product repair and or part replacement because of misuse abuse accident unauthorized repair fire flooding earthquake lightning or any
19. at a later time To save the current image select File Save Image To load an image select File Load Image The images are saved on disk in Windows bitmap bmp format therefore it is possible to load the images into any application that is capable of displaying a bitmap image Similarly using IntelliAim s demo mode you can experimentally align a lamp without physically having it For instance if you know that you will be aiming a new lamp in the future but you don t yet have the lamp you can obtain an image of the lamp s beam pattern from the optics engineer load the image into IntelliAim and experiment to find the best aim algorithm for that lamp If you can t obtain an image of the actual lamp s beam pattern you can always modify an image that closely resembles it QDajac Inc To invoke IntelliAim s demo mode simply include vf vi on the command line Osprey XT User s Manual Rev 7 It is important to note that IntelliAim s native file size is 640x480 For best results only these size images should be loaded To save an image with all the aim decorations HV aim point photo points etc use the Save Display item on the File menu This feature saves the current display to an image file 7 0 Display Resolution IntelliAim is very flexible in the way it displays the image during the aim process You are free to adjust the window size at will and the lamp image will always be scaled to fit the entire window
20. d its parameters can be set IntelliAim provides several aim algorithms The following sections describe IntelliAim s algorithms and conventions 9 1 2 1 HV Headlamp aim is defined by observations of the headlamp beam pattern on a plane located 25 feet in front of the headlamp This is the HV plane A centerline that extends from the lamp s optical center and parallel to the car s front to back axis intersects the planes origin This origin is referred to as HV In addition HH and VV are the horizontal and vertical axis respectfully of the HV plane 9 1 2 2 Aim Point The aim point is the point in the beam pattern that should be located at HV for a proper aim If no user offsets are used the aim point is the point found by the aim algorithm 9 1 2 3 Aim Sign Convention Right Left Up and Down generally refer to the position of the headlamp aim point with respect to HV For example a lamp that is 3 right means the aim point is 3 to the right of HV In addition positive coordinates are up and right and negative coordinates are down and left The point of view is from the driver s seat of the car 9 1 2 4 Standard Aim Algorithms IntelliAim ships with several standard aim algorithms When using these algorithms it is only necessary to adjust their parameters to fit your needs The following algorithms are included 9 1 2 4 1 Hot Zone Algorithm The hot zone aim algorithm simply places the hot zone in the desired position Th
21. displayed From this window you can add and remove users To modify a user s properties select the user and click the Properties button A window displaying all the properties is displayed From this window you can change the user s username password name description and permissions Note that property changes will not take effect until the next time the user logs in 9 0 Setup The Setup menu allows you to adjust lamp styles OEM settings RS 232 settings and general settings 9 1 Lamp Styles IntelliAim allows all aim setup information to be stored in lamp styles Then to setup for a particular lamp simply load the lamp style that contains the parameter values you desire Using this method it is very simple to change the parameters when aiming a different lamp In addition it is possible to have two dis LaDajac Inc lamp styles that are used for the same lamp For instance a lamp style could be setup for low beam and another for high beam It is even possible to use the same lamp style for multiple lamps To access the lamp styles select Setup Lamps Osprey XT User s Manual Rev 7 9 1 1 Name Each lamp style has a name The names of all the existing lamp styles are shown in the Lamp Setup window Use the New Edit and Remove buttons to add edit or remove lamp style names respectfully 9 1 2 Aim Algorithm The aim algorithm is selected on the Aim Type tab of the Lamp Setup window Once an algorithm is selecte
22. driver motors are controlled directly by Control the Expert I O 1000 s integrated motor controller Negative terminal for screwdriver 1 16 Motor SD1 GND Use when the screwdriver motors are controlled directly by Control the Expert I O 1000 s integrated motor controller Screwdriver 1 power supply ground 29 Digital Out OK If the aim is successful IntelliAim will activate this output OK remains active until the next time Request is activated 2 LaDajac Inc Osprey XT User s Manual Rev 7 Expert I O Type Name Description 1000 Pin Number 30 Digital Out Aiming This output is active when IntelliAim is performing an aim or audit 31 Digital Out Enable SDO This output is only used when controlling the screwdrivers using analog outputs It is high when screwdriver 0 is active 32 Digital Out Enable SD1 This output is only used when controlling the screwdrivers using analog outputs It is high when screwdriver 1 is active 52 Digital ID6 The lamp ID is linked to a lamp style in the lamp style setup Input within IntelliAim IDO is the least significant bit and ID6 is the most significant bit 53 Digital Audit Used to request an audit aim Input Request 54 Digital Aim Request Used to request an aim Input 55 Digital ID5 The lamp ID is linked to a lamp style in the lamp style setup Input within IntelliAim IDO is the least significant bit and ID6 is the most significant bit 5
23. e RS 232 The port can be chosen and configured using the RS 232 item on the Setup menu The format of the data is described in the following sections 16 1 Packet Format The serial port output is in the form of packets A packet is as follows SOP ID FIELD O FIELD 1 FIELD N CHECKSUM EOP where SOP Size 1 byte Description Start of packet Value 0x02 ID Size 4 bytes Type integer Description Packet ID in little endian format FIELD 0 N Size Arbitrary defined for each message ID Type Arbitrary defined for each message ID Description Message data CHECKSUM Size 1 byte Description The signed addition of all the bytes of ID and FIELDS before escape sequences have been added EOP Size 1 byte Description End of packet 25 LaDajac Inc Value 0x03 Osprey XT User s Manual Rev 7 An escape character ESC is defined for instances in which control characters appear in the ID fields and or checksum In this case ESC OFFSET is added to the data and preceded by ESC The following shows the mapping ESC SOP XESC OFFSET gt Data has value of SOP ESC EOP ESC_OFFSET gt Data has value of EOP ESC ESCC ESC OFFSET gt Data has value of ESC Where ESC 0x1B ESC_OFFSET 0x20 The escape character is necessary for instances when control codes appear as part of the normal data For instance it is possible that the aim data contains 0x02 as one of i
24. e fast voltage is applied For positive aim within the slow zone the voltage is V Vfr Vsr As A Vsr and for negative aim within the slow zone the voltage is V Vsf Vff As A Vsf Where Vff fast forward voltage Vfr fast reverse voltage Vsf 7 slow forward voltage 16 LaDajac Inc Vsr slow reverse voltage As edge of the slow zone and A current aim Osprey XT User s Manual Rev 7 Latch Slow When the aim is outside the slow zone the fast voltage is used When the aim enters the slow zone the slow voltage is used Once the aim enters the slow zone the fast voltage is never used again even if the aim moves outside the slow zone again For each algorithm the screwdrivers are controlled independently of each other For instance when using the Threshold algorithm and the X aim is inside the slow zone but the Y aim is not the X driver will run at the slow voltage and the Y driver will run at the fast voltage 9 1 6 Lamp ID Each lamp style is given a unique ID This allows an external controller a mechanism for selecting the lamp style that should be used for a particular aim See Section 15 for digital I O details 9 2 OEM The OEM setup option allows the user to setup some specific options for the aimer The camera offsets pixel settings and candela scale factor can all be changed from this window Camera offsets and the candela scale factor are easily changed You can place a lamp tha
25. e hot zone is the area centroid of the image pixels that are more intense than the threshold The threshold is user defined within IntelliAim and is specified as a percentage of the brightest pixel in the image Figure 1 shows the contours of a round beam pattern The intensity of each region is labeled as shown in Table 1 LaDajac Inc Table 1 Contour values Region Maximum Minimum Intensity Intensity A 7 5 3 Osprey XT User s Manual Rev 7 PA BT A OOOO 19 a 60 E A AA If the threshold is set to 59 only region A and B will be included in the area centroid calculation Since it is an area centroid each pixel in the region is given the same weight Therefore the hot zone aim point for this lamp is at the location shown by the blue cross Note that by changing the value of the threshold the aim point can be positioned differently If the threshold were 39 regions A B and C would be included in the centroid calculation This would have the effect of pulling the aim point to the right and down since region C is not concentric with regions A and B When choosing a threshold value be sure to only include intensity regions that are stable Figure 1 Contours of a round beam pattern See Table 1 for the meanings of the region labels In some cases lamps may have two separate regions that are both close to the maximum intensity Figure 2 shows such a lamp As shown in Figure 2 it appears that sett
26. eanings of the region labels To find the aim point a hot zone aim is performed to find the location shown as the red cross The column associated with the center of the hot zone the vertical line of the red cross 1s then scanned moving upward until the target contour is found IntelliAim allows you to adjust two parameters for the fractional zone algorithm hot zone threshold and target contour Both of these options are defined as a percentage of the brightest pixel in the image See Section 9 1 2 4 1 for a description of the hot zone threshold parameter The aim of the beam pattern shown in Figure 3 was found using a hot zone threshold of 80 and a target contour of 20 9 1 2 4 3 Visual Optical Algorithm As the name suggests this algorithm works well to align visual optical V O lamps However simply because a lamp is a V O lamp does not mean that this algorithm must be used Many lamps can be aligned using the hot zone algorithm The V O algorithm should be used when the location of the lamp s cutoff see Figure 4 is not highly correlated to the position of the hot zone In this case correctly positioning the hot zone does not guarantee that the cutoff is correctly positioned 10 LaDajac Inc Osprey XT User s Manual Rev 7 X Offset cutoff E _ Figure 4 Contours of a V O beam pattern See Table 1 for the meanings of the region labels The V O algorithm works by first performing a hot zone aim This is
27. emperature Humidit Alignment Speed per Lamp Using Osprey XT 2 to 4 seconds depending on lamp and pre aim Controlled Screwdrivers Repeatability 0 5 125 Aim Algorithms Hot Zone Fractional Zone V O V O Fog and Custom 3 0 System Block Diagram The PC hosts the IntelliAim software which is responsible for controlling the aimer acquiring the image displaying the image aiming the image and controlling any external user components A oci Mc Skee eats Headlamp en ES jf User PG Aim m C Components Head S LaDajac Inc 4 0 Installing IntelliAim Osprey XT User s Manual Rev 7 IntelliAim is preinstalled on the PC therefore the information in this section is only needed if you upgrade or need to reinstall To install IntelliAim simply run the program installation application and follow the instructions that appear on your screen 5 0 IntelliAim The IntelliAim main window shows the beam pattern image of the lamp currently being aimed the current aim location the current intensity and the lamp style being used The status is shown in a large notification area at the top of the screen as well as in the status bar at the bottom In addition if a user is logged in their user name is displayed in the right side of the status bar Aim in progress 6 0 Saving and Loading Images IntelliAim allows you to save beam pattern images to disk and load them
28. ene enne rne nnne nen 13 9 1 3 Offsets and Tolerancia ta elected eere ded 15 9 1 4 Beam Pattern Detecta 15 9 1 5 Screwdrivers icit oen A DERI REN ERE HUE MI RISE 16 9 16 D mp l D ARNE E E ett eto ene pe iet n ers qui e sei pv eget ee eere 17 92 OEM PAE A de iran e da t ERAN ABRIR DR FE A e XIE ERN Ty coat T PON E nee 17 93 RS 232 c eontesbisetes E A Ue EAR REATO DR NERA DX E RES EIE REx Ur aM GE 17 10 0 AIMIN osado tostadas 18 11 0 DIAGNOSTICO em it 18 11 1 SCLreEWATIVETS ssccsessserscersscssnsesescsseessscsssessssesessesseesssesssasesesssesessssesessesesssesssesesesens 18 11 2 Digital f p eee 18 u urnn 19 12 0 UNIT OF MEASURE AND CONVERSIONS eese 19 15 0 AIM STATISTICS ici case es er da gui aadd ca 19 14 0 DATA LOGGING inanici n 20 15 0 I O AND SCREWDRIVER CONTROLLER INTERFACEG eeeeeeeeeeeeeeeeeees 21 15 1 Aim Audit Cycle TiMiNg ooccocooonconononcnnonononoconcononcncnnoconononcnconononcnnocononoocnconornconccoronsacocons 23 16 0 SERIAL COMMUNICATION S ooooonnoococccccccccccccccncnnnnnnnnnnnananacnnnnnnnn cnn rr 25 16 1 Packet r 25 16 2 Post 27 16 3 Packet Examples iciccccscsescssesecssasessnscssvsscssetsssosseadssensasdesssasesebsed c ntascetedcsooesasaddcboossensadedsdeceesees 29 17 0 INTEEEIAIM DEMO sicciscissatesietesarndacuaeeceseauaned bd ile 32 17
29. he lamp using a method not associated with the Osprey XT aimer Then properly position the lamp in front of the aimer With the lamp in this position adjust the offsets until IntelliAim declares the aim to be within tolerance OK To make this process easier IntelliAim provides a Learn feature This feature automatically calculates the proper offsets Separate tolerances can be set for normal aims and for audit aims This allows you to aim to a tighter tolerance than the audit 9 1 4 Beam Pattern Detection The beam pattern detection provides a means to detect if the lamp currently being aimed matches the lamp style selected The setup is as follows 1 Use autoexpose in the frame grabber diagnostics See Section 11 3 window to acquire a correctly exposed image Keep clicking Auto until the exposure stabilizes 2 Save the image 3 Open the lamp setup and load the image into the Lamp Detect 2 tab 4 Adjust the Model ROI parameters until the rectangle surrounds a portion of the beam pattern that is unique to that lamp The smaller the rectangle the faster the algorithm will run 5 Adjust the search ROI parameters to make the search ROI a small amount larger than the model ROI The algorithm searches the search ROI for the Model 6 Enable the detection on the lamp detect 1 tab 7 Set the certainty to some value in the range 1 1 The detection algorithm results in a value within this range 1 is a poor match 1 is a perfect match
30. her items including hardware components written materials and binders or other packaging to Dajac for a full refund License Dajac grants you a nonexclusive right to use this copy of SOFTWARE on one computer Copy Restrictions The United States copyright laws and international treaty provisions protect SOFTWARE and documentation Unauthorized copying of SOFTWARE in whole or in part is expressly forbidden Subject to these restrictions you may load SOFTWARE onto one computer Ownership of SOFTWARE Dajac retains all right title and interest in the software and documentation and any copy thereof This License is not a sale of the original SOFTWARE or of any copy Use and Transfer Restrictions SOFTWARE is licensed to you for internal use only You may not make SOFTWARE available for use by others in any arrangement You may not transfer the license granted or the rights under it without the prior written consent of Dajac You may not reverse engineer decompile or disassemble SOFTWARE in whole or Part Termination Dajac may terminate this Agreement in the event of breach or default by you Upon termination you relinquish all rights under this Agreement and must cease using SOFTWARE and return or destroy all copies and partial copies of SOFTWARE and documentation Limited Warranty and limitation of Liability See Limited Warranty for complete details Intellectual Property Right Infringement In the event that a claim alleg
31. ice is granted on a unit still under warranty labor and travel charges apply however parts are still covered per the limited warranty policy Dajac reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of Dajac to notify any person of such revision or changes All Dajac brand and product names are trademarks or registered trademarks of Dajac Incorporated All other marks are the property of their respective owners IntelliAim Copyright The distribution and sale of IntelliAim is intended for the use of the original purchaser only and for use only on the computer system specified Lawful users of this product are hereby licensed only to read the programs on the disks or CD from their 35 QDajac Inc medium into the memory of a computer solely for the purpose of executing them Unauthorized copying duplicating selling or otherwise distributing this product is a violation of the law Osprey XT User s Manual Rev 7 Dajac IntelliAim Software License Agreement Important Dajac License Agreement Read Carefully Before Using This legal document is an Agreement between you the user and Dajac Inc Dajac By using IntelliAim here after SOFTWARE you agree to be bound by the terms of this agreement here after Agreement If you do not agree to the terms of this Agreement do not use this software Promptly return this software and ot
32. ignals The Osprey XT uses the Expert I O 1000 for interfacing to the external controller The signals are connected as shown below Some notes All voltages and currents are DC All digital inputs have a high impedance pull down resistor to ground Table 2 I O and screwdriver controller connections Expert I O Type Name Description 1000 Pin Number 1 Power In Bl The voltage on this pin is the logic high voltage used for the digital I O The limits are 3 3V to 27V Should be set to the same voltage as the B terminal 2 Power In B The voltage on this pin is the logic high voltage used for the digital I O The limits are 3 3V to 27V Should be set to the same voltage as the B1 terminal 3 Power GND 4 Power Out 5V Five volt output power This can be used to power the B and B1 inputs 5 Power GND A ES LaDajac Inc Osprey XT User s Manual Rev 7 Expert I O Type Name Description 1000 Pin Number 6 Power In 24V This is the power for the Expert I O 1000 If you have a power supply you can connect it here If not you can power the Expert I O 1000 through it s DC input jack using the wall transformer that ships with the it Do not use this terminal and the wall transformer at the same time Limits are 22 8V 25 2V 625mA 7 Analog Out SD1 Analog output that can be used to drive a motor controller that controls screwdriver 1 It ranges fr
33. ing infringement of an intellectual property right arises concerning the software Dajac at its sole discretion may elect to defend or settle such claim Dajac in the event of such claim may elect to terminate this Agreement and all rights to use the SOFTWARE and require the return or destruction of the SOFTWARE with a refund of the fees you paid for use of the SOFTWARE less an allowance for use and shipping This Agreement constitutes the complete agreement between you and Dajac with respect to your license for the SOFTWARE and supersedes any previous oral or written representations This Agreement is governed by the laws of the State of Indiana USA 2365
34. ing the threshold to 79 would always result in the hot zone aim point being at the location of the blue cross However it is likely that the size of each region A will not be the same for all lamps of the same model 8 LaDajac Inc For example if the lamp style is setup using a master lamp that has both region A s the same size and then a lamp was aligned that had a smaller region A on the right than the left the alignment of the lamp would be incorrect It would be incorrect because having a smaller region A on the right would move the hot zone aim point to the left A better choice for the threshold value in this case would be 59 This would result in a stable hot zone aim point since both region A s and region B would be included in the aim point calculation Since this combined region is stable between different lamps of the same model the hot zone aim point is stable Osprey XT User s Manual Rev 7 Figure 2 Contours of a beam pattern with two hot regions See Table 1 for the meanings of the region labels 9 1 2 4 2 Fractional Zone Algorithm The fractional zone algorithm is used to position the lamp using a contour vertically and the hot zone horizontally The blue cross in Figure 3 shows the aim point for a lamp that has been aimed using the fractional zone algorithm LaDajac Inc Osprey XT User s Manual Rev 7 Figure 3 Contours of a round beam pattern showing the fractional zone algorithm See Table 1 for the m
35. ocks on either side of the box The two mounting points use 5 16 18 NC thread bolts It is important that the aim head is level from side to side and from front to back In addition the lamp must be placed such that a centerline extending normal to the aim head s lens passes through the headlamp s optical center Furthermore the lamp must be positioned 15 4 4 away from the aim head s lens 32 LaDajac Inc Osprey XT User s Manual Rev 7 14 500 ALL DIMENSIONS ARE INCHES ee ee i 15 575 0 750 pa i 1 iz 2 00 i 4 Ep o A p 2 00 11 00 a i 2 50 mi e 11 000 15 00 lil m BY DAVID NOVAK DATE 5 4 06 AIM HEAD E DAJAC INC Figure 8 Aim head drawing The aim head connects to the PC via a single USB cable There are also two ribbon cables for the digital I O and one for the screwdriver control that extend from the PC A breakout board with screw terminals is supplied with each ribbon cable x LaDajac Inc 19 0 Warranty Osprey XT User s Manual Rev 7 One 1 Year Send In Labor Warranty One 1 Year Send In Service Parts Warranty Replacement Parts and Service Labor Warranty Exclusions Your Warranty Does Each unit is thoroughly inspected and tested before leaving the factory It is warr
36. om 10V to 10V with 10V being full speed counterclockwise and 10V being full speed clockwise 8 Analog Out SDO Analog output that can be used to drive a motor controller that controls screwdriver 0 It ranges from 10V to 10V with 10V being full speed counterclockwise and 10V being full speed clockwise 9 Motor SDO Use when the screwdriver motors are controlled directly by Control the Expert I O 1000 s integrated motor controller Positive terminal for screwdriver 0 10 Motor SDO Supply Use when the screwdriver motors are controlled directly by Control the Expert I O 1000 s integrated motor controller The power supply for screwdriver 0 Limits 12V 55V 3A continuous with 6A peaks 11 Motor SDO Use when the screwdriver motors are controlled directly by Control the Expert I O 1000 s integrated motor controller Negative terminal for screwdriver 0 12 Motor SD0 GND Use when the screwdriver motors are controlled directly by Control the Expert I O 1000 s integrated motor controller Screwdriver 0 power supply ground 13 Motor SD1 Use when the screwdriver motors are controlled directly by Control the Expert I O 1000 s integrated motor controller Positive terminal for screwdriver 1 14 Motor SD1 Supply Use when the screwdriver motors are controlled directly by Control the Expert I O 1000 s integrated motor controller The power supply for screwdriver 1 Limits 12V 55V 3A continuous with 6A peaks 15 Motor SDI Use when the screw
37. ptionIndex int The index of the option being adjusted Return s None int ValidateOption const TAlgorithm Algorithm int OptionIndex Description This function is called to validate the new value of an option Argument s Algorithm const TAlgorithm The algorithm for which the options are being adjusted OptionIndex int The index of the option being adjusted Return s int VO VALID The option value is valid VO NOT VALID 7he option value is not valid VO NOT VALID DISPLAY ERROR The option value is not valid and the calling function should display the error message 4 LaDajac Inc Osprey XT User s Manual Rev 7 The following structures are provided for custom aim development they are listed alphabetically struct talgorithm members char Name ALG MAX NAME LEN int Id TOption OptionsJ ALG MAX OPTIONS struct toption members char Name OP MAX NAME LEN TOptionType Type char ACharAray OP MAX CHAR ARRAY int Aint double ADouble BOOL EnableValueEdit BOOL EnableMoreButton 9 1 3 Offsets and Tolerances Offsets and tolerances can be set on the Offsets Tolerances tab of the lamp setup Offsets are used to position the small cross hairs at the beam patterns proper HV position Tolerances are used to define how close the aim must be to HV before it is assumed to be OK Tolerances are also used to test the beam s intensity A typical setup procedure is to properly align t
38. rforming an aim The photo points are shown as well 12 0 Unit of Measure and Conversions Within IntelliAim inches are always at 25ft from the lamp and millimeters are at 10m from the lamp As shown below it is easy to convert between units of measure For the following equations inches are at 25ft and millimeters are at 10m LAMP TO HV 25FT 7620 0 7620mm 25ft from lamp to H V LAMP TO HV 10M 10000 0 10000mm 10m from lamp to H V To convert between inches and millimeters MM TO INCH INCH TO MM d LAMP TO HV 25FT LAMP TO HV 10M 25 4 d 25 4 LAMP TO HV 10M LAMP TO HV 25FT d d To convert between millimeters and degrees MM TO DEG d DEG TO MM d DEG TO INCH atan d LAMP TO HV 10M LAMP TO HV 10M tan d d 300 tan d A good fact to remember is 1 degree 5 2365 25 To convert between millimeters and percent MM TO PERC PERC TO MM d LAMP TO HV 10M 100 0 d d d 100 0 LAMP TO HV 10M To convert between millimeters and centimeters d 10 0 10 0 d MM TO CM CM TO MM d d To convert inches to centimeters INCH TO CM d INCH TO MM d 10 0 13 0 Aim Statistics Selecting Statistics from the Aim menu will show you live aim statistics while aiming This window shows the current aim minimum maximum mean and standard deviation for the requested sample size A sample is acquired every time the aim is calculated 19
39. s It can be used by the external motor controller to enable or disable the screwdrivers Enable signals are not required when using the integrated motor controllers Using the Screwdrivers tab of the lamp setup you can choose whether to use the drivers swap them or use the auto direction feature The Use Drivers feature can be used to disable the drivers This can be useful if you want to perform automated aims but do not want to use the electronic screwdrivers The Swap Drivers feature allows you to swap the axes to which each screwdriver is dedicated This allows the screwdriver to be associated with the other axis without having to physically move the screwdriver The Auto Direction feature automatically reversed the screwdriver direction if the lamp begins to move away from proper aim It is best to setup the screwdrivers to rotate the proper direction and only use this feature if you have a lamp that may require the rotation polarity to change while an aim is in progress There are several different screwdriver control algorithms They are explained below No Slow The fast voltage is always applied to the screwdrivers Threshold The fast voltage is applied unless the aim is within the slow zone When the aim is within the slow zone the slow voltage is applied Ramp The voltage changes linearly between the slow voltage and fast voltage in correlation with the distance from 0 0 to the edge of the slow zone Outside the slow zone th
40. s darkest and 255 is brightest ImageHeight int Number of rows in the image ImageWidth int Number of columns in the image Xaim double On return this should contain the x component of the calculated aim coordinate with respect to the left side of the image NE LaDajac Inc Yaim double On return this should contain the y component of the calculated aim coordinate with respect to the top of the image Osprey XT User s Manual Rev 7 Return s None void GetAlgorithms Talgorithm Algorithms Description This function is called to get the custom algorithms that are to be included as aim algorithms Argument s Algorithms TAlgorithm A pointer to an array of TAlgorithm structures There are ALG MAX ALGORITHMS structures in the array Any array entry not used must have the algorithm ID set to AI EMPTY The array must be filled starting at index 0 Upon return Intellidim will scan the array starting at index 0 It stops scanning when it reaches an entry marked AI EMPTY All custom algorithms must have an ID greater than or equal to AI USER Return s None void OnMoreButtonClick const TAlgorithm Algorithm int OptionIndex Description This function is called whenever the More button is clicked It can be used to provide additional functionality when setting an option Argument s Algorithm const TAlgorithm The algorithm for which the options are being adjusted O
41. s it low if the lamp s aim is not within the specified limits or the cycle was aborted The cycle can be aborted by setting Request low or by stopping the cycle from the IntelliAim user interface With OK in the proper state IntelliAim sets Aiming low The external controller must monitor Aiming to know when the cycle is complete The preferred method for doing this is to attach it to an input that can interrupt the controller when the signal changes state If this type of input is unavailable the controller can periodically sample Aiming to know when it goes from high to low For instances in which the controller does not support interrupt on change inputs the width of the Aiming pulse becomes important It must be long enough to allow the controller to sample it while it is high For this purpose there is a general setting option that allows you to set the minimum Aiming pulse width tarw min See Section 9 4 for more information about setting the minimum Aiming pulse width Without interrupt on change support in the external controller the aim cycle sequence is as follows Controller sets Lamp ID bits Controller sets Request high Osprey XT sets OK low Controller waits for Osprey XT to set Aiming high Controller waits for Osprey XT to set Aiming low Controller reads OK to check the aim result ES 24 LaDajac Inc Osprey XT User s Manual Rev 7 16 0 Serial Communications IntelliAim can output aim information via th
42. s will follow PP1 PP2 PPN Description These are the photo points that are being transmitted Each photo point PPx has the following format X Y INTENSITY RED GREEN BLUE where IX Size 4 bytes Type integer little endian Description Horizontal location of the photo point in units of mm at 10m Y Size 4 bytes Type integer little endian Description Vertical location of the photo point in units of mm at 10m NI LaDajac Inc INTENSITY Osprey XT User s Manual Rev 7 Size 4 bytes Type integer little endian Description The intensity of the photo point in units of candela RED Size 4 bytes Type integer little endian Description The amount of red at the photo point location This is a value from 0 to 255 A value of 0 signifies no red and a value of 255 signifies full red GREEN Size 4 bytes Type integer little endian Description The amount of green at the photo point location This is a value from 0 to 255 A value of 0 signifies no green and a value of 255 signifies full green BLUE Size 4 bytes Type integer little endian Description The amount of blue at the photo point location This is a value from 0 to 255 A value of 0 signifies no blue and a value of 255 signifies full blue 16 3 Packet Example Below is a post aim packet as received from an Osprey XT 02 21 00 00 00 81 00 00 00 1c 1b 22 00 00 13 ff ff ff cO 2b 00 00 1b 22 00 00 00 a6 00 00 00
43. t is illuminating directly along the centerline of the aim box Then simply click on the Learn button and IntelliAim determines the offsets to aim the headlamp to that location Candela factor is just as simple Simply place a lamp with a known intensity in front of the aimer enter a new scale factor and click Audit until the desired candela is achieved Since the Osprey XT measures color it is necessary to calibrate the color white This is done by shining a white lamp into the aim head and pressing the Auto button Doing so will set the scale factors for red R green G and blue B The scale factors can also be tweaked manually if needed To set the scale factors to unity click the Reset WB button The OEM values are stored inside the aim head and read when IntelliAim is started Therefore it is not necessary to adjust these values when an aim head is replaced The OEM settings follow the aim head On occasion it is useful to save the OEM calibration data to a file This can be done using the Save To File button To load previously saved data use the Load From File button 9 3 RS 232 RS 232 setup allows the user to set the parameters of the RS 232 communications for transmittal of aim information after every aim See the Section 16 for more information regarding the serial output 9 4 General This setup window allows adjusting general settings iTe LaDajac Inc The screwdriver control method setting allows you to choose
44. ts bytes Since the Start of Packet SOP control code is also 0x02 the receiving machine could and should interpret the 0x02 in the data as an SOP control code Treating the 0x02 data byte as a control character would cause the receiving machine to think that a new packet was prematurely started and that the previous partial packet should be abandoned To prevent this type of situation escape sequences are used to transmit data bytes that are the same value as control characters Whenever a control character is found in the data it is replaced by the escape character and followed by the sum of the data byte and the escape offset ESC_OFFSET This is true for SOP EOP and the escape ESC control characters Therefore the following data 0x04 0x02 0x45 is transmitted as 0x04 Ox1B 0x22 0x45 As you can see the 0x02 in the data is transmitted as 0x1B ESC followed by 0x02 0x20 datatESC_ OFFSET The escape sequences are added after the checksum has been calculated Therefore the proper steps for receiving a packet is as follows Wait for an SOP Read bytes from the serial port until an EOP is received Remove all escape sequences from the data This is done by removing the ESC code and subtracting ESC OFFSET from the following byte This step can be performed as the bytes are being received Calculate and verify the checksum The checksum can be calculated as the bytes are being received 26 LaDajac Inc After remo
45. ving the escape sequences and control codes the checksum is calculated by adding all the packet bytes excluding the checksum byte together The least significant byte of this sum should match the checksum included in the packet For example given the following data Osprey XT User s Manual Rev 7 0x12 0x45 0x76 0x55 the checksum is 0x12 0x45 0x76 0x55 0x122 and the packet checksum byte is 0x22 16 2 Post Aim Packet This packet is output after every aim SOP ID SSTATUS X Y INTENSITY NPP PP1 PP2 PPN CHECKSUM EOP These fields are defined as follows ID Size 4 bytes Type integer little endian Description The packet ID Value 0x21 STATUS Size 4 bytes Type integer little endian Description The status of the aim that just completed Possible values Aim OK 0x81 Aim failed due to candela 0x82 User aborted aim 0x83 Aim failed due to beam detect 0x84 Aim failed due to position 0x85 X Size 4 bytes x LaDajac Inc Type integer little endian Osprey XT User s Manual Rev 7 Description Horizontal aim in units of mm at 10m Y Size 4 bytes Type integer little endian Description Vertical aim in units of mm at 10m INTENSITY Size 4 bytes Type integer little endian Description The intensity of the lamp in units of candela NPP Size 4 bytes Type integer little endian Description The number of photo points being transmitted If zero no photo point
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