A Guide to Transitioning from the Grasshopper to the Grasshopper2
Contents
1. bracket Two 2 M2 holes on the top face Removable glass IR filter system BW models protective dust glass between sensor and optics COL models IR filter between sensor and optics Glass IR filter screwed into place to allow easy removal Development kit Includes cable 1394 interface card software CD and Getting Started Manual Includes cable 1394 interface card software CD Getting Started Manual available for download 1 5 1 Pin GPIOO Pin 1 GPIO Properties Grasshopper Bi directional input output Default direction input Default function trigger Drive strength 10 mA at 30 V Grasshopper2 Opto isolated input 3 3 V to 30 V Direction input Default function trigger in Input delay time 4 us Revised 24 May 12 Copyright 2011 2012 Point Grey Research Inc All rights reserved 3 Point Grey Research TAN2011001 Guide to Transitioning from GRAS to GS2 FW Pin GPIO1 Pin 2 Grasshopper Bi directional input output Default direction output Drive strength 10 mA at 30 V Grasshopper2 Opto isolated open collector output 3 3V to 30V Direction output Default function strobe Drive strength 25 mA at 30 V GPIO2 Pin 3 Bi directional input output Bi directional input output Default direction output Default direction output Drive strength 10 mA at 30 V Drive strength 25 mA at 30 V GPIO3 Pin 4 Bi directional inp2. Base Our Knowledge Base contains answers to some of the most common support questions It is constantly updated expanded and refined to ensure that our customers have access to the latest information Product Downloads Customers with a Customer Login Account can access the latest software and firmware for their cameras from our Downloads page We encourage our customers to keep their software and firmware up to date by downloading and installing the latest versions Contacting Technical Support Before contacting Technical Support have you 1 Read the product documentation and user manual 2 Searched the Knowledge Base 3 Downloaded and installed the latest version of software and or firmware If you have done all the above and still can t find an answer to your question contact our Technical Support team Revised 24 May 12 Copyright 2011 2012 Point Grey Research Inc All rights reserved 9
3. IT_FAILURE 12FCh Grasshopper No presence bit Grasshopper2 Presence bit FRAME_INFO 12F8h No inquiry bits for each embedded information type Inquiry bits for each information type New Registers Y16 Endianness Controlled using IMAGE_DATA_FORMAT DATA_DEPTH 630h IIDC v1 32 implementation Mirror Image seen MIRROR_IMAGE_CTRL 1054h Y8 or Y16 Grayscale or BAYER_MONO_CTRL 1050h Raw Bayer Output Current Sensor Access None CURRENT 1A58h 1A5Ch 1 5 3 3 Other Firmware Changes Description Grasshopper Grasshopper2 IIDC Version 1 31 1 32 Color processing Color models output greyscale information when run in standard Format_0 or Format_1 Y8 Y16 modes The conversion from raw Bayer information to greyscale is done on board the camera On color models conversion from raw Bayer information to greyscale is done on board the camera Lookup Table 11 bit to 9 bit mapping Three 3 LUT s for RGB 9 bit to 9 bit mapping Two 2 banks each containing three 3 channels for RGB Trigger Modes IIDC modes 0 1 3 14 15 IIDC modes O 1 3 4 5 14 Supported on all models 15 IIDC modes 4 5 Supported on 03S2 and 0882 only Extended Shutter Times gt 10s Up to 330s Format_7 Mode_3 and Format_7 Mode_8 Revised 24 May 12 Copyright 2011 2012 Point Grey Research Inc All rights reserved 7 Point Grey Research TAN2011001 Guide to Transi
4. POINT GREY _ Technical Application Note Innovation in Imaging A Guide to Transitioning from the Grasshopper to the Grasshopper2 FireWire Camera Technical Application Note TAN2011001 Revised May 24 2012 1 1 Subject Technical Application Note TAN2011001 A Guide to Transitioning from the Grasshopper to the Grasshopper2 FireWire Camera 1 2 Applicable Product s e GRAS all models e GS2 FW 1 3 Application Note Description The fully redesigned Grasshopper2 FireWire camera is the next generation version of the high performance Grasshopper Housed in the same form factor as the Grasshopper the Grasshopper2 offers several new features including improved frame rates optimized imaging performance and extended shutter Format_7 modes enhanced opto isolated GPIO and conformance to version 1 32 of the Instrumentation amp Industrial Digital Camera IIDC specification The purpose of this Technical Application Note is to 1 Outline the primary similarities and differences between the two cameras and 2 Offer suggestions and pointers to end users for migrating their custom applications from the Grasshopper to the Grasshopper2 For customers upgrading from a Grasshopper camera Point Grey strongly encourages putting the Grasshopper2 through a full requalification process PGR the Point Grey Research Inc logo FlyCapture Digiclops Dragonfly Dragonfly Express Chameleon Firefly Flea Ladybug Zebra Scorpio
5. ampling values horizontal are aggregated and averaged subsampling monochrome limited or no increase in intensity models or 2X vertical and 2x horizontal subsampling color models values are aggregated without averaging increased intensity improved SNR Mode_2 2X vertical binning values are Not available aggregated and averaged with limited or no increase in intensity Mode_3 Region of interest only 2X horizontal and 2X vertical additive binning in monochrome pixel formats only CCD gain amplifier is disabled resulting in reduced dark current ROI is not available Mode_3 uses a slower pixel clock and does not support overlapping exposure with readout of the previous image Frame rates are compromised in this mode in favor of higher extended shutter times Mode_4 Not available 2X vertical binning and 2X horizontal subsampling increased frame rate available on color models only Mode_8 Not available Similar to Mode_3 except no binning is performed Images can be outputted in all supported pixel formats 1 5 3 2 Control and Status Registers CSRs Description Grasshopper Grasshopper2 Redefined Registers LUT 1A40h 1A44h 80000h 80048h Point Grey implementation IIDC v1 32 implementation Revised 24 May 12 Copyright 2011 2012 Point Grey Research Inc All rights reserved 6 Point Grey Research TAN2011001 Guide to Transitioning from GRAS to GS2 FW Description XM
6. cuses on functional differences between the two cameras that could affect integration of the Grasshopper2 in existing Grasshopper based applications Users are encouraged to download the documents listed in Section 1 4 1 Other Reference Documentation for assistance with terms camera specifications and register definitions Many default startup power up parameters such as resolution frame rate gain and shutter have changed in the Grasshopper2 The memory channels on the Grasshopper2 can be used for creating new default settings Point Grey cannot predict if or how all of the following differences may affect user applications This section provides recommendations on how to address some of the most obvious differences in functionality 1 5 3 1 Format_7 Description Grasshopper Grasshopper2 Max Frame Rate at 15 FPS ICX285 30 FPS ICX285 Max Resolution Pixel Formats Mono8 Mono16 Raw8 Raw16 Mono8 Mono12 Mono16 Raw8 YUV411 YUV422 YUV444 RGB8 Raw12 Raw16 YUV411 YUV422 YUV444 RGB8 Modes Mode_0 Region of interest only Region of interest only yields fastest frame rates Revised 24 May 12 Copyright 2011 2012 Point Grey Research Inc All rights reserved 5 Point Grey Research TAN2011001 Guide to Transitioning from GRAS to GS2 FW Description Grasshopper Grasshopper2 Mode_1 2X vertical binning and 2X 2X vertical binning and 2X horizontal subs
7. n and Triclops are trademarks or registered trademarks of Point Grey Research Inc in Canada and other countries Copyright 2011 2012 Point Grey Research Inc All rights reserved Point Grey Research TAN2011001 Guide to Transitioning from GRAS to GS2 FW For users migrating from the Grasshopper to the Grasshopper2 Gigabit Ethernet camera see Knowledge Base Article 350 1 4 General Considerations 1 4 1 Other Reference Documentation Other useful sources of information regarding specific features of the Applicable Product s include Grasshopper Getting Started Manual Grasshopper2 Getting Started Manual forthcoming Grasshopper and Grasshopper2 GS2 FW Technical Reference Manuals 1 4 2 Testing Tools To configure and test the information presented in this TAN 1 Connect the camera s GPIO pins to an oscilloscope or external trigger source By connecting the appropriate GPIO pins to an external trigger source or oscilloscope you can observe the differences in general purpose input output capability of the Applicable Product s Consult your camera s Technical Reference or Getting Started manual for a GPIO connector pin layouts and b GPIO electrical characteristics Download the FlyCapture SDK The SDK includes numerous example programs that demonstrate various camera features Specific examples that relate to this TAN include CustomImageEx AsyncTriggerEx and SavelmageToFlashEx Access the camera s regis
8. ter space The easiest way to try this is using the FlyCap demo software included with the FlyCapture SDK For register definitions and individual bit descriptions please refer to the Point Grey Digital Camera Register Reference or your camera s Technical Reference manual 1 5 Mechanics The Grasshopper and Grasshopper2 share the same form factor and general mechanical properties Revised 24 May 12 Copyright 2011 2012 Point Grey Research Inc All rights reserved 2 Point Grey Research TAN2011001 Guide to Transitioning from GRAS to GS2 FW Description IR cut filter properties Grasshopper Grasshopper2 The infrared cut off filter used with color versions of the cameras is the same and has the same transmittance properties GPIO connector Hirose HR25 8 pin connector CCD sensor placement on PCB The chip and lens holder mounting holes are centered relative to the four corner mounting holes Overall dimensions Industry standard 44mm x 29mm x 58mm excluding lens holder and 1394 GPIO connector Lens holder C mount Case description Black zinc casted with black aluminum top and Point Grey logo Mass 104g excluding including optics Tripod mounting bracket Secured by four 4 M2x2mm screws Meets ISO and ASA standards Included free of charge with every camera Mounting holes Three 3 M3x2 5mm holes on the bottom face Four 4 M2x2mm holes on the bottom face for mounting
9. tioning from GRAS to GS2 FW Description Grasshopper Grasshopper2 Memory Channels Two 2 channels for user defined configuration sets one 1 channel for restoring to factory default settings Frame Buffer 32 MB for temporary image storage and re transmission Non Volatile Flash Memory 512 KB for data storage Pixel Clocks Two 2 or more settings Max two 2 settings will may change with change only when setting to format mode change Format_7 Mode_3 or Format_7 Mode _8 1 5 4 Software Support Description Grasshopper Grasshopper2 FlyCapture 2 x Applications Supported Supported FlyCapture 1 x Applications Supported FlyCap Demo GUI does not support new IIDC 1 32 video formats and other new features New features are supported in the API Revised 24 May 12 Copyright 2011 2012 Point Grey Research Inc All rights reserved 8 Point Grey Research TAN2011001 Guide to Transitioning from GRAS to GS2 FW 1 6 Additional Downloads and Support Point Grey Research Inc endeavors to provide the highest level of technical support possible to our customers Most support resources can be accessed through the Support section of our website Creating a Customer Login Account The first step in accessing our technical support resources is to obtain a Customer Login Account This requires a valid name and email address To apply for a Customer Login Account go to the Downloads page Knowledge
10. ut output Bi directional input output Default direction input Default direction input Drive strength 10 mA at 30 V Drive strength 25 mA at 30 V GND Pin 5 Ground pin for all pins Ground pin for bi directional IO Vext 3 3 V GND Pin 6 Ground pin for all pins Ground pin for opto isolated IO pins Vexr Pin 7 Power camera externally 3 3V Pin 8 Power external circuitry up to a total of 150 mA 1 5 2 Other Hardware and Electronics Description Grasshopper Grasshopper2 CCD imaging 640x480 Kodak KAI 0340 1384x1036 Sony ICX285 sensors 648x488 Sony ICX414 1384x1032 Sony ICX267 1384x1036 Sony ICX285 1624x1224 Sony ICX274 2448x2048 Sony ICX625 IEEE 1394 9 pin IEEE 1394b 800Mb s interface Connector flush with case Secure jack screw connector Power Less than 2 5 W consumption A D converter Analog Devices 14 bit resolution Temperature On board accessible via On board accessible via control and Sensor control and status registers status registers CSRs CSRs Voltage Sensor Revised 24 May 12 Copyright 2011 2012 Point Grey Research Inc All rights reserved 4 Point Grey Research TAN2011001 Guide to Transitioning from GRAS to GS2 FW Description Grasshopper Grasshopper2 Current Sensor None LED Behavior Same 1 5 3 Firmware This section does not address the significant number of firmware enhancements that have been added in the Grasshopper2 but fo
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