National Instruments NI LabVIEW User's Manual
Contents
1. Figure 15 Selecting the Top Level VI for the Build Specification National Instruments Corporation 21 Embedded Module for Blackfin Processors 8 Click the OK button and expand the Build Specifications item in the Project Explorer window The build specification you just created appears under the Blackfin target as shown in Figure 16 EDI Project Explorer Blackfin Tutori La o X File Edit View Project Operate Tools Window Help be w x l mF m a F b Project Blackfin Tutorial lvproj E My Computer VP Dependencies Build Specifications EJ Analog Devices ADSP BF537 E Blackfin Tutorial vi p P Dependencies S Build Specifications i T YOK Application Figure 16 Blackfin Build Specification in the Project Explorer Window 9 Triple click VDK Application and rename the build specification to Debug configuration as shown in Figure 17 Tip You also can right click VDK Application and select Rename from the shortcut menu to edit the build specification name File Edit View Project Operate Tools Window Help S x X ei be GR eF 5 tl Project Blackfin Tutorial lvproj S E My Computer WP Dependencies e Build Specifications S D Analog Devices ADSP BF537 j mi Blackfin Tutorial vi i BP Dependencies Build Specifications i T Debug configuration Figure 17 Renaming the Blackfin Build Specification 10 Select File Save Project in the P2. o9 o o o9 rie A C Adaptor USB to Host PC ad Figure 1 Locating the A C Adaptor and USB Port on the Blackfin Target National Instruments Corporation 5 Embedded Module for Blackfin Processors On the board the power LED illuminates and you might see other visible activity such as blinking LEDs The connection activates the Windows Found New Hardware Wizard 2 Follow the instructions on the screen to install the software automatically A Windows message notifies you when the new device is ready for use and the hardware installation is complete 3 Verify that the USB monitor LED is lit The LED is in close proximity to the USB connector The lit LED signifies that the board is communicating properly with the host computer and is ready to run Refer to the ADSP BF537 EZ KIT Lite Evaluation System Manual in the EZ KIT box for more detailed information about the USB monitor LED 4 Fora USB based ICE attach the JTAG cable to the emulation target Refer to the emulator documentation for more information about USB based ICE Upgrading to the Embedded Module for Blackfin Processors 2 0 This section describes upgrade and compatibility issues for the Embedded Module for Blackfin Processors 2 0 Embedded Project Manager The Embedded Module for Blackfin Processors no longer supports the Emb
3. e Instrumented debugging using a TCP port Single stepping and probes are faster than non instrumented debugging but using a TCP port requires that the Blackfin target is connected to an Ethernet port is intrusive on real time performance and uses a larger amount of memory on the Blackfin target The LabVIEW C Code Generator adds a communication layer to the generated Embedded Module for Blackfin Processors 18 ni com C code for synchronization and data transfer You must place a checkmark in the Enable lwIP TCP IP support checkbox on the Advanced tab before you can select the TCP port debug option 3 Note You must connect the Blackfin target to the host computer with an Ethernet cable to use lwIP TCP IP support e Non instrumented debugging using a JTAG EZ KIT USB connection Single stepping and probes are slower than instrumented debugging but using JTAG or USB does not require a network connection ay Note You must still connect the Blackfin target to the host computer using a JTAG or USB connection to download a Blackfin application to a Blackfin target run the application on the Blackfin target reset the processor and so on even if you use a serial port or TCP port for debugging This tutorial uses the non instrumented debug mode as shown in Figure 13 but you can select any debug mode 3 Analog Devices ADSP BF537 Build Specification Properties category Application Information Application Information Source
4. Files ar Interrupt VIs General Advanced TCP IP Processor Build Configuration Debug Mode O Release O None Debug O Instrumented via serial port Instrumented via TCP port Non instrumented via JTAG EZ KIT USB Code generation options C Use stack variables Generate guard code C Disable parallel execution C Generate C style function calls C Enable profile information Figure 13 Configuring the Build Options National Instruments Corporation 19 Embedded Module for Blackfin Processors 6 Click the Processor tab and verify the silicon revision in the Silicon revision pull down menu shown in Figure 14 matches the silicon revision on the hardware Category Source Files Interrupt VIs Silicon revision 0 Use default EZ KIT settings Processor variant CLKIN MHz SKBC1600 Jz Package Core voltage level volts MBGA v 1 20 v YDD external voltage volts 3 30 v Figure 14 Verifying the Silicon Revision Embedded Module for Blackfin Processors 20 ni com 7 Select Source Files from the Category list and select Blackfin Tutorial vi in the source files list Click the blue right arrow button shown at left to move the VI from the source files list to the Top level VI text box as shown in Figure 15 Category Application Information B gt Analog Devices ADSP BF537 Interrupt VIs E Blackfin Tutorial vi
5. KIT Lite or Emulator ceeseeseeeeeeneeeeeeees 5 Upgrading to the Embedded Module for Blackfin Processors 2 0 6 Embedded Project Manager esseseseeseeeessseeesrersreresresrsresrsresreerse 6 Upgrading Blackfin VIs and Embedded Projects 0 0 0 6 Migrating Custom Linker Description Files lees 8 Tutorial ressonen enr EE E E sends ister 9 Creating the LabVIEW Project sesesseesseeseeersseessrsrreresrsresrsresrese 9 7 NATIONAL p INSTRUMENTS Creating the Front Panel oo cece nie 13 Creating the Block Diagram seeseeseceseeneeeseeeeeseeaeesees 14 Configuring the Target and Debugging Options 0 eee 16 Creating the ADSP BF537 Build Specification 0 0 eee 18 Building Downloading and Running a Blackfin Application 23 Debugging with Breakpoints and Probes eceesseesceeeteeeseeeneeees 24 Where to Go from Here i tcee c hh Aisi vid eesti 26 What s New in the Embedded Module for Blackfin Processors Version 2 0 of the Embedded Module for Blackfin Processors includes the following new features LabVIEW projects and the Project Explorer window Help you manage and implement the components of a Blackfin application New Blackfin Project Wizard Facilitates the creation of projects for new and existing Blackfin VIs VisualDSP 4 5 support Incorporates new features and enhancements to the VisualDSP tool chain New Blackfin Processor support Allows you to target
6. Right click Build Specifications under the ADSP BF537 target and select New VDK Application from the shortcut menu 2 LabVIEW prompts you to save the project Click the Save button when prompted and save the project as Blackfin Tutorial The Build Specification Properties dialog box opens 3 Optional LabVIEW might prompt you to configure the target Click the Yes button and refer to the Building Downloading and Running a Blackfin Application section for information about configuring the target 4 Select Debug in the Build Configuration section of the General tab The debug build configuration does not apply any compiler optimizations which makes the embedded application larger Use the debug build configuration when you want C source level debugging 5 Select an option in the Debug Mode section You can debug a Blackfin application in the following ways Instrumented debugging using a serial port Single stepping and probes are faster than non instrumented debugging but using a serial port requires the COM port on the Blackfin target to be connected to the host PC is intrusive on real time performance and uses a larger amount of memory on the Blackfin target The LabVIEW C Code Generator adds a communication layer to the generated C code for synchronization and data transfer You must remove the checkmark from the Redirect stdout to serial port checkbox on the Advanced tab before you can select the serial port debug option
7. features in LabVIEW 8 2 Refer to the LabVIEW 8 2 1 Readme for Windows available by selecting Start All Programs National Instruments LabVIEW gt Readme and opening readme html for information about features and changes in LabVIEW 8 2 1 System Requirements The Embedded Module for Blackfin Processors has the following requirements e A desktop computer with Windows Vista XP 2000 e Analog Devices VisualDSP 4 5 included e LabVIEW 8 2 1 with embedded support included e One of the following EZ KITs EZ KIT Lite for Analog Devices ADSP BF537 Blackfin Processor included EZ KIT Lite for Analog Devices ADSP BF533 not included EZ KIT Lite for Analog Devices ADSP BF538 not included Refer to the National Instruments Web site at ni com info and enter the info code relnote82 to access the LabVIEW Release Notes for more information about LabVIEW development system requirements Installing the Embedded Module for Blackfin Processors If you have LabVIEW 8 2 installed you can install LabVIEW 8 2 1 without first uninstalling LabVIEW 8 2 If you do not have LabVIEW 8 2 installed you can install LabVIEW 8 2 1 without first installing LabVIEW 8 2 Note Because LabVIEW installs 8 2 1 over 8 2 you cannot have both LabVIEW 8 2 and 8 2 1 installed simultaneously Complete the following steps to install the Embedded Module for Blackfin Processors 1 Log in as an administrator or as a user with administrat
8. privileges Insert the LabVIEW Embedded Module for Blackfin Processors 2 0 installation CD and follow the instructions on the screen Tip If the installer does not automatically begin double click setup exe on the CD to begin installation 10 Follow the activation instructions that appear on the screen Embedded Module for Blackfin Processors 4 ni com Installing the EZ KIT Lite or Emulator UN Caution Be careful when removing the board from the package and handling the board to avoid the discharge of static electricity which might damage some components The EZ KIT Lite or USB based ICE board is designed to run as a stand alone unit You do not have to open the computer case 3 Note You must install VisualDSP before you can install the Blackfin target Refer to the Installing the Embedded Module for Blackfin Processors section for information about installing VisualDSP Complete the following steps to install the EZ KIT Lite or USB based ICE 1 Plug the power supply for the board into a surge protected outlet Connect the USB assembly for the board to the USB port on the host computer using the provided USB cable Figure 1 shows the location of the A C adaptor and USB port on the Blackfin target Refer to the ADSP BF537 EZ KIT Lite Evaluation System Manual in the EZ KIT box for more detailed information about the ADSP BF537 EZ KIT Lite hardware
9. 2 from the shortcut menu Creating the Block Diagram The block diagram is the source code for a VI and contains a pictorial description or representation of an application Wires carry data between the objects or nodes on the block diagram The controls and indicators you added in the Creating the Front Panel section appear as terminals on the block diagram Complete the following steps to create the block diagram 1 Switch to the block diagram by clicking the block diagram if it is visible or selecting Window Show Block Diagram Tip You also can switch to the block diagram by pressing the lt Ctrl E gt keys 2 Select Help Show Context Help to display the Context Help window The Context Help window displays basic information about LabVIEW objects when you move the cursor over each object Tip You also can press the lt Ctrl H gt keys to open and close the Context Help window Embedded Module for Blackfin Processors 14 ni com 3 Create the block diagram as shown in Figure 10 a National Instruments Corporation Place a While Loop located on the Structures palette around the controls and indicator on the block diagram While Loops repeat the subdiagram inside it until the conditional terminal which is an input terminal receives a particular Boolean value Right click the conditional terminal shown at left in the lower right corner of the While Loop and select Create Constant from the shortcut menu The def
10. Getting Started with the NI LabVIEW Embedded Module for ADI Blackfin Processors Version 2 0 The NI LabVIEW Embedded Module for ADI Blackfin Processors is a comprehensive graphical development environment for embedded design Jointly developed by Analog Devices and National Instruments this module seamlessly integrates the LabVIEW development environment and Blackfin embedded processors This module builds on NI LabVIEW Embedded technology which facilitates dataflow graphical programming for embedded systems and includes hundreds of analysis and signal processing functions integrated I O and an interactive debugging interface With the Embedded Module for Blackfin Processors you can enable cache optimize linking and view live front panel updates using JTAG serial or TCP IP as well as use VisualDSP compiler options through LabVIEW The Embedded Module for Blackfin Processors includes the LabVIEW C Code Generator which generates C code from the LabVIEW block diagram Engineers and scientists can lower development costs achieve faster development times and still deliver a high performance embedded processing solution with the Embedded Module for Blackfin Processors Contents What s New in the Embedded Module for Blackfin Processors 2 System Requirements eee ssseseesceseeessesecessesecesseseseneesesesesseesseeneees 3 Installing the Embedded Module for Blackfin Processors 0 0 3 Installing the EZ
11. IEW project as shown in Figure 2 LabVIEW creates an empty project with a Windows target shown in Figure 2 as My Computer 3 Project Explorer Untitled Proje BAX File Edit Yiew Project Operate Tools Window Help to Seal x me he GR fg Project Untitled Project 1 5 E My Computer j BE Dependencies a i Build Specifications Figure 2 Targeting My Computer in the Project Explorer Window National Instruments Corporation 9 Embedded Module for Blackfin Processors 3 Right click Project Untitled Project 1 in the Project Explorer window and select New Targets and Devices from the shortcut menu to open the Add Targets and Devices dialog box as shown in Figure 3 aad Targets and Devices on Untitled Project 1 X Targets and Devices Existing target or device Discover an existing target s or device s Existing device on remote subnet No items can be added to Untitled Project 1 O New target or device Create a new target or device by type BiG Embedded ja A i Ie Figure 3 Add Targets and Devices Dialog Box Embedded Module for Blackfin Processors 10 ni com 4 Expand the Embedded folder and select Analog Devices ADSP BF537 as shown in Figure 4 3 Add Targets and Devices on Untitled Project 1 X Targets and Devices Existing target or device Discover an existing target s or device s Existing device on remote subnet No items ca
12. and indicators when building a Blackfin VI into a Blackfin application To change the initial values enter the new values in the front panel controls and then select Edit Make Current Values Default to change the initial values You must rebuild the Blackfin application after you change the initial values of the controls m The Blackfin tutorial application begins running on the Blackfin target When you reach a breakpoint during execution the Blackfin target halts all operation the application pauses and the Pause button shown at left appears red and changes to a Continue button Embedded Module for Blackfin Processors 24 ni com al E National Instruments Corporation Add a probe to see the values on the wire coming into the Multiply function a Click the wire coming into the x input b Click the wire coming into the y input A floating Probe window appears after you create each probe LabVIEW numbers the Probe windows automatically and displays the same number in a glyph on the wire you click as shown in Figure 19 ra ital 1 in Figure 19 Creating Probes Enter a different value in the input numeric control Click the Continue button shown at left a few times to see the value in the Probe windows change as the Blackfin application executes additional iterations of the While Loop Click the Step Over button shown at left to execute a node and pause at the next node The node blinks w
13. ate Period ms to 100 by moving the slider or typing 100 in the numeric control under the slider as shown in Figure 12 This setting configures how often the front panel updates with data from the Blackfin application VisualDSP Target Configuration Target Settings Debug Options Front Panel Probe Update Period ms J 100 COM port COM1 2000 LAJ Cw 100 Host IP Synchronize Front panel updates Options Allow probing of scalar arrays Allow probing of scalar clusters me C Trace all debugging commands Max array elements 128 T National Instruments Corporation Instrumented Settings C Debug using the VisualDSP IDDE iv Figure 12 Configuring the Debugging Options Click the OK button 17 Embedded Module for Blackfin Processors Creating the ADSP BF537 Build Specification Build specifications tell the Lab VIEW C Code Generator how to generate the C code and build the Blackfin VI into a Blackfin application You can create the build specification when you create a project or wait until you are ready to build the Blackfin VI into a Blackfin application You can have multiple build specifications for the same target For example you might want one build specification that generates debugging information and another build specification that does not generate this extra information Complete the following steps to create a build specification 1
14. ault Boolean constant in the While Loop is FALSE Place a Multiply function located on the Numeric palette on the block diagram inside the While Loop Wire the input control to the x input of the Multiply function Right click the y input of the Multiply function and select Create Constant from the shortcut menu Enter 2 to multiply the value of the input control by two Place a Greater function located on the Comparison palette on the block diagram Wire the x y output of the Multiply function to the x input of the Greater function Wire the threshold control to the y input of the Greater function Wire the x gt y output of the Greater function to the threshold exceeded indicator Wire the output indicator to the wire connecting the Multiply function and the Greater function Place a Wait Until Next ms Multiple function located on the Time Dialog amp Error palette inside the While Loop Right click the millisecond multiple input and select Create Constant from the shortcut menu Enter 100 to wait 100 milliseconds Figure 10 Creating the Block Diagram 15 Embedded Module for Blackfin Processors 4 Save the VI as Blackfin Tutorial Configuring the Target and Debugging Options The target options you set tell LabVIEW how the Blackfin target is connected to the host computer The EZ KIT Lite is connected to the host computer through the USB port which also is known as a debug agent ay Note You only have to conf
15. edded Project Manager Use the Project Explorer window instead Refer to the Creating the LabVIEW Project section for information about using the Project Explorer window Refer to the Upgrading Blackfin VIs and Embedded Projects section for information about converting embedded project 1ep files Upgrading Blackfin Vis and Embedded Projects If you created Blackfin VIs using the Embedded Module for Blackfin Processors 1 0 you must create projects and update the VIs for use with LabVIEW 8 2 1 and the Embedded Module for Blackfin Processors 2 0 UN Caution National Instruments recommends you back up your files before you begin updating your Blackfin VIs for use with the Embedded Module for Blackfin Processors 2 0 The Embedded Module for Blackfin Processors 1 0 cannot open VIs you save in version 2 0 The Embedded Module for Blackfin Processors includes a utility to help you convert LabVIEW 7 1 embedded project 1ep files to Embedded Module for Blackfin Processors 6 ni com LabVIEW 8 2 1 project 1vproj files Complete the following steps to update embedded project files for use with LabVIEW 8 2 1 and the Embedded Module for Blackfin Processors 2 0 l 2 National Instruments Corporation Launch LabVIEW 8 2 1 Select File Open in the Getting Started window and navigate to the labview Targets ADI Embedded vdk utils Blackfin LEP Converter directory Select Blackfin_LEP_Converter vi and click the OK button to run
16. eric control In Figure 18 the front panel on the left does not exceed the threshold value If you enter a number greater than the threshold the threshold exceeded LED lights as shown in the front panel on the right in Figure 18 input output input output ajz J4 J4 fs threshold threshold exceeded threshold threshold exceeded Ts E de Q Figure 18 Increasing Input Causes Output to Exceed Threshold and Lights the LED 5 Click the Abort Execution button shown at left to stop the Blackfin application National Instruments Corporation 23 Embedded Module for Blackfin Processors Debugging with Breakpoints and Probes Complete the following steps to debug the Blackfin tutorial application with breakpoints and probes 3 1 2 Switch to the block diagram if it is not visible Right click the Multiply function and select Set Breakpoint from the shortcut menu The breakpoint is highlighted with a red border around the function When you run the Blackfin application execution pauses just before the function executes If you are using JTAG or USB EZ KIT for debugging LabVIEW might prompt you to halt the processor Right click Debug configuration in the Project Explorer window and select Debug from the shortcut menu LabVIEW prompts you to save changes to the VI LabVIEW also prompts you if you need to rebuild or redownload the Blackfin application to the Blackfin target Tip LabVIEW uses default values for controls
17. hen it is ready to execute Continue clicking the Step Over button to step through the rest of the block diagram Click the Abort Execution button to stop the application 25 Embedded Module for Blackfin Processors Where to Go from Here National Instruments provides many resources to help you succeed with your NI products Use the following documentation resources as you start exploring LabVIEW and the Embedded Module for Blackfin Processors LabVIEW Help available by selecting Help Search the LabVIEW Help in LabVIEW provides information about LabVIEW programming step by step instructions for using Lab VIEW and reference information about LabVIEW VIs functions palettes menus and tools Refer to the Embedded Module for Blackfin Processors book on the Contents tab of the LabVIEW Help for information specific to the Embedded Module for Blackfin Processors and Blackfin applications Context help provides brief descriptions of VIs and functions with a link to the complete reference for a VI or function Select Help Show Context Help to open the Context Help window Examples are available in the labview examples lvemb Blackfin directory and can help you get started creating Blackfin VIs The readme file available by selecting Start All Programs National Instruments Lab VIEW Readme and opening readme_BLACKFIN htm1 contains known issues and last minute information The Getting Started with ADSP BF537 EZ KIT Lite ma
18. igure the target once unless you change how you connect the target to the host computer Complete the following steps to configure the target options 1 Right click Analog Devices ADSP BF537 in the Project Explorer window and select Configure Target from the shortcut menu to open the VisualDSP Target Configuration dialog box The current version and location of VisualDSP in the Product name list and the Location text box reference the version of VisualDSP on the host computer Correct the product name and location if necessary 2 Select Blackfin Emulators EZ KIT Lites from the Debug target pull down menu 3 Select ADSP BF537 EZ KIT Lite via Debug Agent from the Platform pull down menu 4 Select ADSP BF537 from the Processor pull down menu as shown in Figure 11 ES VisualDSP Target Configuration Target Settings Debug Options Product name VisualDSP 4 0 y Location C Program Files Analog Devices VisualDSP 4 0 Debug target Blackfin Emulators EZ KIT Lites v Platform ADSP BF537 E2 KIT Lite via Debug Agent v Processor ADSP BFS37 v Figure 11 Configuring the Target Settings Embedded Module for Blackfin Processors 16 ni com 5 Y setting Click the Debug Options tab to configure the debug options you can use while debugging a Blackfin application on the Blackfin target Tip Click the Help button to open the LabVIEW Help and read a description of each debug Change the Front Panel Probe Upd
19. lace a checkmark in the Search titles only checkbox and enter the topic title in the Type in the word s to search for textbox This option limits the number of topics that the LabVIEW Help finds so you can locate the topic more quickly Embedded Module for Blackfin Processors 8 ni com Tutorial Use this tutorial to learn how to create a LabVIEW project and build run and debug a Blackfin application 3 Note You can create a project and Blackfin VI without connecting a Blackfin target to the host computer However you must connect a Blackfin target to the host computer before you can test a Blackfin application Refer to the Installing the EZ KIT Lite or Emulator section for information about installing the Blackfin target Creating the LabVIEW Project Use LabVIEW projects to group together LabVIEW files and non LabVIEW files create build specifications for building a Blackfin VI into a Blackfin application and run the application on a Blackfin target You must use a project to build a Blackfin VI into a Blackfin application LabVIEW project files have a lvproj file extension Project files contain target specific build options and other information necessary for the LabVIEW C Code Generator to generate C code from the VIs Complete the following steps to launch LabVIEW and create a project with an ADSP BF537 target and a blank VI 1 Launch LabVIEW 2 Select Empty Project in the Getting Started window to open an empty LabV
20. n be added to Untitled Project 1 O New target or device Create a new target or device by type Embedded o Yok Analog Devices ADSP BF531 Analog Devices ADSP BF532 Analog Devices ADSP BF533 Analog Devices ADSP BF534 Analog Devices ADSP BF536 Analog Devices ADSP BF537 Analog Devices ADSP BF538 Lith Figure 4 Adding a New Device 5 Click the OK button to add the target to the project The target appears in the Project Explorer window as shown in Figure 5 fp Project Explorer Untitled Proje o X File Edit View Project Operate Tools Window Help JnSea x oO xX ea Ree fe Project Untitled Project 1 S E My Computer 2P Dependencies i ie Build Specifications EJ Analog Devices ADSP BF537 Figure 5 Adding the ADSP BF537 to the Project Explorer Window National Instruments Corporation 17 Embedded Module for Blackfin Processors 6 Expand the ADSP BF537 target as shown in Figure 6 LabVIEW automatically adds Dependencies and Build Specifications under the target SubVIs appear under Dependencies when you add a VI that contains subVIs to a project Build specifications you create for a target in a project appear under Build Specifications in the Project Explorer window Refer to the Creating the ADSP BF537 Build Specification section for information about how to create a build specification Project Explorer Untitled Proje BAX File Edit Yiew Project O
21. nual available in the EZ KIT box familiarizes you with the hardware capabilities of the EZ KIT The ADSP BF537 EZ KIT Lite Evaluation System Manual available in the EZ KIT box describes the operation and configuration of the board components and provides a schematic for reference The DAQ Adapter User Guide describes how to install the National Instruments DAQ Adaptor and provides pinout information The NI DAQ Adaptor comes in the EZ KIT box National Instruments NI ni com and LabVIEW are trademarks of National Instruments Corporation Refer to the Terms of Use section on ni com 1legal for more information about National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies For patents covering National Instruments products refer to the appropriate location Help Patents in your software the patents txt file on your CD or ni com patents 2006 2007 National Instruments Corporation All rights reserved 371656B 01 Feb 07
22. or privileges 2 Insert the Analog Devices VisualDSP 4 5 installation CD and follow the instructions on the screen to install VisualDSP 4 5 National Instruments Corporation 3 Embedded Module for Blackfin Processors Tip Ifthe installer does not automatically begin double click VisualDSP 4 5 exe on z the CD to begin installation 3 After you finish installing VisualDSP select Start All Programs Analog Devices VisualDSP 4 5 Maintain this installation 4 Select Apply a downloaded Update and click the Next button in the VisualDSP 4 5 Setup wizard 5 Open the vdu file on the Analog Devices VisualDSP 4 5 installation CD click the Next button and follow the rest of the instructions to install the VisualDSP update 6 Insert the LabVIEW 8 2 1 with Embedded Support CD and select to install the software 3 Note LabVIEW 8 2 1 with embedded support is a special edition of LabVIEW 8 2 1 7 Follow the activation instructions that appear on the screen You also can use the NI License Manager available by selecting Start All Programs National Instruments NI License Manager to activate National Instruments products Refer to the National Instruments License Manager Help available by selecting Help Contents in the NI License Manager for more information about activating NI products Restart the computer when the installer prompts you and log on as an administrator or as a user with administrator
23. ox d Verify the settings in the Application Information and Source Files categories and click the OK button Refer to the Creating the ADSP BF537 Build Specification section for information about editing a build specification 7 Embedded Module for Blackfin Processors 8 Select File Save in the Project Explorer window to save the project LabVIEW saves a copy of all the VIs for the project in the same folder as the lvproj file Refer to the Building Downloading and Running a Blackfin Application section for information about building a Blackfin VI into a Blackfin application and running the application on the target Migrating Custom Linker Description Files If you used the Embedded Module for Blackfin Processors 1 0 to move to custom hardware you modified the Linker Description File LDF to match the hardware layout of the custom hardware memory layout The 1df file defines the system to the VisualDSP linker and specifies how the linker creates executable code You must rewrite custom 1df files to use them with the Embedded Module for Blackfin Processors 2 0 because the format of 1d files changed from VisualDSP 4 0 to VisualDSP 4 5 Refer to the Moving to Custom Hardware topic in the LabVIEW Help available by selecting Help Search the LabVIEW Help in LabVIEW for information about modifying 1df files for a custom target ne Tip When searching for a specific topic in the LabVIEW Help from the Search tab p
24. perate Tools Window Help lh SG x mE be Ey e fe Project Untitled Project 1 J My Computer 3 Dependencies Build Specifications Analog Devices ADSP BF537 j BP Dependencies b Build Specifications Figure 6 Expanding the Blackfin Target in the Project Explorer Window 7 Right click the ADSP BF537 target and select New VI from the shortcut menu The new untitled VI appears in the Project Explorer window under the ADSP BF537 target as shown in Figure 7 i v a Project Explorer Untitled Project BAX File Edit View Project Operate Tools Window Help JoSa xX HO X ee ae fg Project Untitled Project 1 S My Computer i P Dependencies ES Build Specifications E Analog Devices ADSP BF537 m Ont j BP Dependencies i Build Specifications Figure 7 Adding a New VI to the Project The front panel and the block diagram of the new VI open The front panel or user interface appears with a gray background and includes controls and indicators The block diagram appears with a white background and includes VIs functions and structures that control the front panel objects Embedded Module for Blackfin Processors 12 ni com Creating the Front Panel The front panel is the user interface for a VI You can use the front panel as a debugging interface for Blackfin applications you create with LabVIEW This tutorial includes an LED indicator that lights if the inp
25. roject Explorer window to save the project Build specifications are saved with the project Embedded Module for Blackfin Processors 22 ni com Building Downloading and Running a Blackfin Application After you develop the Blackfin VI on the host computer you build the Blackfin VI into a Blackfin application you can run on a Blackfin target When you build a Blackfin application the LabVIEW C Code Generator generates C code from the LabVIEW block diagram using the settings you configure 3 Note Before you can build or compile a Blackfin VI into a Blackfin application you must configure the build specifications the target settings and the debug settings Refer to the Creating the ADSP BF537 Build Specification and Configuring the Target and Debugging Options sections for information about configuring specifications and settings 1 Right click Debug configuration in the Project Explorer window and select Build from the shortcut menu to build the Blackfin VI into a Blackfin application LabVIEW displays the status of the building and linking process 2 Right click Debug configuration again and select Debug from the shortcut menu to deploy the application to the Blackfin target The application automatically runs on the Blackfin target when you select Debug from the shortcut menu 3 Enter a value in the threshold front panel numeric control of the Blackfin Tutorial VI on the host computer 4 Enter different values in the input num
26. the ADSP BF531 ADSP BF532 ADSP BF534 ADSP BF536 and ADSP BF538 in addition to the ADSP BF533 and ADSP BF537 VI profiling Displays the performance information for VIs and functions in the Blackfin VIs you create to help you optimize Blackfin applications Profiling sends execution times for functions and VIs to the host when the application terminates If a Blackfin VI does not terminate use the BF Send Profile Data VI to trigger the sending of profile information to the host New device drivers Provide support for the following Two wire interface TWI VIs are located on the Blackfin Device T WI palette Micron color VGA sensor VIs are located on the Blackfin Device MT9V022 Camera palette New VIs and Timed Loop options Provide more task control and timing capabilities The Embedded Module for Blackfin Processors now supports Semaphore VIs and a 1 MHz timing source in Timed Loops Static IP support Enables a static IP address for the device In the Build Specifications Properties dialog box make sure there is not a checkmark in the Use DHCP checkbox on the TCP IP tab of the Application Information category to enable a static IP address Embedded Module for Blackfin Processors 2 ni com After you install LabVIEW refer to the LabVIEW Upgrade Notes available by selecting Start All Programs National Instruments LabVIEW LabVIEW Manuals and opening LV_Upgrade_Notes pdf for more information about new
27. the Blackfin LEP converter utility Complete the following steps to add the LEP file you want to import to the LabVIEW Embedded Project lep Files list a Click the Add button below the LabVIEW Embedded Project lep Files list The Select an Embedded Project to Add dialog box appears b Navigate to the location of the LEP file you want to import c Click the Add button LabVIEW adds the LEP file and all the VIs associated with the LEP file to the Blackfin LEP converter utility You can see only the LEP file in the LabVIEW Embedded Project lep Files list Click the Continue button LabVIEW prompts you to specify the location and name of the new project The Import Status dialog box appears When LabVIEW finishes importing the 1 0 files the Project Explorer window appears with the Blackfin target and VIs Complete the following steps to verify the target configuration and build specifications a Right click the Blackfin target in the Project Explorer window and select Configure Target from the shortcut menu b Verify the settings in the VisualDSP Target Configuration dialog box and click the OK button Refer to the Configuring the Target and Debugging Options section for information about configuring the Blackfin target c Right click the build specification under the Blackfin target in the Project Explorer window and select Properties from the shortcut menu to open the Build Specifications Properties dialog b
28. ut exceeds a threshold value you define Complete the following steps to create the front panel 1 Place the following controls on the block diagram as shown in Figure 8 e Two numeric controls located on the Numeric palette e One numeric indicator located on the Numeric palette e One round LED located on the Boolean palette Tip If you cannot find the object you are looking for click the Search button on the Controls or Functions palette toolbar Type the name of the object for which you want to search LabVIEW searches as you type and displays any matches in the search results text box Numeric Numeric 3 Jo lo Numeric 2 Boolean T Figure 8 Creating the Front Panel National Instruments Corporation 13 Embedded Module for Blackfin Processors 2 Rename the controls by double clicking the labels and entering new names as shown in Figure 9 e Change one of the numeric controls to input e Change the other numeric control to threshold e Change the numeric indicator to output e Change the round LED to threshold exceeded Tip Double click to select a single word in a label Triple click to select the entire label input output fiz 4 threshold threshold exceeded Ae Figure 9 Changing the Labels 3 Change the numeric representation of the numeric controls and the output numeric indicator to a 32 bit signed integer by right clicking each control and indicator and selecting Representation I3
Download Pdf Manuals
Related Search