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TEXAS INSTRUMENTS DVEVM Getting Started Guide

1. bootargs mem 120M console ttyS0 115200n8 root dev hdal rw noinitrd ip dhcp bootcmd setenv setboot setenv bootargs bootargs video dm64xxfb output videostd run setboot bootm 0x2050000 When the boot command is run in U Boot the value of videostd is substituted based on the setting of the switch The bootargs examples in the rest of this manual assume the default NTSC video output is being used If you are using PAL video you will need to modify the examples accordingly See Section A 2 Changing the Video Input Output Methods for information about switching to S Video and Component video Setting Up the Build Development Environment 4 4 Setting Up the Build Development Environment To set up the GPP side development and build environment follow these steps 1 Log in to your user account and not as root on the NFS host system 2 Set your PATH so that the MontaVista tool chain host tools and cross compiler arm_v5t_le gcc can be found For example in a default installation of the MontaVista LSP you should add a definition like the following to your shell resource file for example bashrc If you installed in a location other than opt mv_pro_4 0 use your location in the PATH PATH opt mv_pro 4 0 montavista pro devkit arm v5t_le bin opt mv_pro 4 0 montavista pro bin opt mv_pro 4 0 montavista common bin PATH 4 4 1 Writing a Simple Program and Running it on the DVEVM Make sure you hav
2. v videofile Specify the filename to which video output should be sent The file extension identifies the format to use The supported video algorithms are MPEG4 mpeg4 file extension and H 264 264 file extension The file will be created if it does not exist and truncated if it does exist b bitrate Specify the bit rate at which video should be encoded The default is 4000000 bps t time Number of seconds to run the demo By default there is no time limit Additional Procedures A 3 Running the Demos from the Command Line A 1 3 U l linein Changes the input device for sound recording to the Line In as opposed to the Mic In which is the default d i interface If used causes the main demo interface to launch when this demo exits By default this is off Ia x Select S Video input format This flag is available only with DVEVM 1 1 or greater DVEVM 1 0 supports only composite video UI h help Print this help message The following example uses MPEG4 video encode no audio encode and quits after 20 seconds Target encode v test mpeg4 t 20 The following example uses H 264 video encode at 1 Mbps and no audio encode Target encode v test 264 b 1048576 The following example uses H 264 video encode and G 711 speech encode Target encode v test 264 s test g711 You must supply at least a video or a speech file or both with appropriate extensions for the fi
3. Ii CD 1 Getting Started Guide This CD includes demo applications Codec Engine software example codec servers and DVEVM documentation Contains the following files m sprue66a pdf this manual dvevm_setuplinux_ 4 bin dvevm_setupwin32_ exe Windows installer mvl_Isp_setuplinux_ 44 bin restore directory Contains files used for hard drive recovery Contact TI Technical Worldwide Support if you need details 11 CD 2 MontaVista Linux Pro v4 0 Target File System The DVEVM provides a preliminary demonstration version Contains the file mM mvl_target_setuplinux_ 4 44 bin This installation file contains the MontaVista target file system 11 CD 3 MontaVista Linux Pro v4 0 System Tools The version provided with the DVEVM is the preliminary demonstration version Contains the following file mM mvl setuplinux 4 44 bin This installation file contains the MontaVista Tool development tool chain UI CD 4 AIV Data Contains sample A V data in data tar gz Software Overview Texas Instruments in agreement with MontaVista Software Inc is providing a demonstration version of the Linux Professional Edition v4 0 embedded operating system and development tools The base DVEVM kit includes a preliminary release of this demonstration version The demo version is a subset of what MontaVista provides with the full Professional Edition Tools such as DevRocket and the Professional Edition documentation a
4. See Section 4 3 2 Ensure that an X graphical display is available and point your DISPLAY environment variable to this value For example csh host setenv DISPLAY cnabc0314159d1 0 ksh host export DISPLAY cnabc0314159d1 0 DVEVM Software Setup 4 5 Installing the Software 4 3 Installing the Software Installing the software used by the DVEVM involves performing the following steps 1 Section 4 3 1 Installing the Target Linux Software Section 4 3 2 Installing the DVEVM Software Section 4 3 3 Installing the A V Demo Files Section 4 3 4 Exporting a Shared File System for Target Access Section 4 3 5 Testing the Shared File System UL UL O O Section 4 3 6 Configuring the Boot Setup for PAL Video Users 4 3 1 Installing the Target Linux Software This section explains how to install Linux for use on the target board This is a demonstration version of MontaVista Linux Pro v4 0 Note that separate versions of Linux are used by the target and your host Linux workstation The following Linux host operating systems are supported for use with the DVEVM 1 Red Hat Enterprise Linux v3 1 Red Hat Enterprise Linux v4 _ SuSe v10 0 Workstation To install the Linux software follow these steps 1 Log in as root on your host Linux workstation This will allow you to successfully run the graphical installer to install MontaVista Linux 2 Execute each of the following bin files where 4 is the curren
5. i Square brackets and identify an optional parameter If you use an optional parameter you specify the information within the Trademarks Trademarks vi brackets Unless the square brackets are in a bold typeface do not enter the brackets themselves The Texas Instruments logo and Texas Instruments are registered trademarks of Texas Instruments Trademarks of Texas Instruments include TI DaVinci the DaVinci logo XDS Code Composer Code Composer Studio Probe Point Code Explorer DSP BIOS RTDX Online DSP Lab DaVinci TMS320 TMS320C54x TMS320C55x TMS320C62x TMS320C64x TMS320C67x TMS320C5000 and TMS320C6000 DAVINCI TEXAS INSTRUMENTS MS DOS Windows and Windows NT are trademarks of Microsoft Corporation UNIX is a registered trademark of The Open Group in the United States and other countries Linux is a registered trademark of Linus Torvalds Solaris SunOS and Java are trademarks or registered trademarks of Sun Microsystems Inc All other brand product names and service names are trademarks or registered trademarks of their respective companies or organizations Contents 1 DVEVM Overview ee eee eee eee eee eee eee eee 1 1 This chapter introduces the DVEVM Digital Video Evaluation Module 1 1 WECOME A e e oe ec Io tard E aut asia ee cet es a aia net capata AN ae ae Do 1 2 1 2 What s in this Kit csc cc eed a o a We oa a e he de le ae 1 3 1 3 What s on the Board egosia a
6. 2 The initial screen shows a diagram of the IR remote which you use to run the standalone demos Take a minute to look at the functions of the various buttons 3 Since this is a universal remote you may need to set it to use the codes necessary to run the DVEVM demos To do this hold down the Code Search button until the red light on the remote stays lit Then press the DVD button and enter 020 as the code 4 If you accidentally put the remote in TV or some other mode press DVD to return the remote to the correct mode 5 If the remote does not accept the DVD 020 code do a full reset by removing the batteries pressing the power key for at least a minute then reinserting the batteries Then program the remote as in Step 3 Running the Standalone Demos 3 3 Running the Standalone Demos 1 Press Play or OK on the remote to move from the remote control 2 3 4 diagram to the main menu screen which looks like this DAVINCI TEXAS INSTRUMENTS Scroll Up P gt p Scroll Down The Encode Decode demo allows you to record and playback video The Encode demo records audio speech and video in the formats you select The Decode demo plays audio speech and video files you select The Third Party Menu can be used to add additional demos see Section A 3 Putting Demo Applications in the Third Party Menu Use the up and down arrows to change which demo is selected Then press OK or Play to swit
7. 264 file extension Table 3 1 IR Remote Buttons for Encode Decode Demo IR Remote Button Mode Action Performed Up Down no action Left Right Setup Change resolution ZOOM CIF D1 Play or OK Setup Begin demo Record no action Info Select Setup Show hide block diagram for demo Info Select Run Toggle information display Left Right Run Change information transparency level Pause Run Pause demo press Play to resume Stop Setup Run Return to previous screen Running the Demonstration Software 3 5 Running the Standalone Demos The application runs on the ARM using Linux The video signal is passed to video encoders and decoders on the DSP by the Codec Engine Shared memory is used when passing data To use this demo from the command line see Section A 1 1 Encode Decode Demo Command Line 3 3 2 About the Encode Demo Like the Encode Decode demo the Encode demo also encodes video In addition it also encodes audio or speech The audio speech source is the microphone The encoded data is written to files on the DVEVM s hard disk drive The possible filenames are demo 264 demo mpeg4 demompeg4 g711 and demo264 g711 Older versions of these files are overwritten as needed Output is not decoded and sent to the LCD display or speakers other than to show the settings and dynamic data collected about the load and rates Mic Camera HDD Raw Data Encoded Data Encode Demo GPP Linux N
8. 3 3 Installing the A V Demo Files cn 4 8 4 3 4 Exporting a Shared File System for Target Access 4 8 4 3 5 Testing the Shared File System 00 0c cee ee 4 9 4 3 6 Configuring the Boot Setup for PAL Video Users 4 10 vil Contents 4 4 Setting Up the Build Development Environment ne 4 11 4 4 1 Writing a Simple Program and Running iton the DVEVM 4 11 4 5 Rebuilding the DVEVM Software for the Target c ce 4 12 4 6 Building a New Linux Kernel cn 4 12 4 7 Booting the New Linux Kernel a 4 14 4 8 Installing Upgrades se sc ne ee ea a a ee ee 4 14 Additional Procedures c eee eee eee eee eee eee eee A 1 This appendix describes optional procedures you may use depending on your setup and specific needs A 1 Running the Demos from the Command Line 000 e A 2 A 2 Changing the Video Input Output Methods 0 000 e eee A 6 A 3 Putting Demo Applications in the Third Party Menu 00000 eee eee eee A 9 A 4 Setting Upa TFTP Sever ore evr bake ali aerial ates GA ate pi ented aul a Bae A 11 A 5 Alternate Boot Methods 0 an A 12 A 6 Installing Components Under Windows A 16 A 7 Rebuilding DSP BIOS Link mean A 17 A 8 Restoring and Updating the DVEVM Hard Disk Drive 000 000s A 18 Contents viii Chapter 1 DVEVM Overview This chapter introduces the DVEVM Digital V
9. ea a a eee 1 4 1 4 What s N Xt 2 2 cearta enea pin Se DD ati ew ee Se ee ta 1 5 DVEVM Hardware Setup a Daa A a eee eee 2 1 This chapter tells you how to set up the DVEVM hardware 2 1 Setting Up the Hardware c te eee 2 2 2 2 Connecting to a Console Window 00000 eee eee 2 6 Running the Demonstration Software 0 0c eee eee ee 3 1 This chapter explains how to run the software demos provided with the DVEVM 3 1 Default Boot Configuration 3 2 3 2 Starting the Standalone Demos con 3 2 3 3 Running the Standalone Demos cn 3 3 3 3 1 About the Encode Decode Demo seca 3 5 3 3 2 About the Encode Demo ce eee 3 6 3 3 3 About the Decode Demo Josi 1 2 tee 3 8 3 3 4 About the Third Party Menu uaaa ee 3 9 3 4 Running the Network Demo 3 10 DVEVM Software Setup 00 ccc eee ee eee 4 1 This chapter explains how to use the software provided with the DVEVM 4 1 Software Overview sche ceca eee bhi ews dae bebe wha ee bb seek eae br pri a adi 4 2 4 1 1 Command Prompts in This Guide 0 000 eee 4 3 4 1 2 Software Components 00000 c eee eee 4 4 4 2 Preparing to Install n cca pie eae dae ca es ee a a a a 4 5 4 3 Installing the Softwares iai e eae bane ewe deeb gale ed aa aa n a e sedate 4 6 4 3 1 Installing the Target Linux Software s saasaa eaaa 4 6 4 3 2 Installing the DVEVM Software 0 000 c cee eee 4 7 4
10. specifies a prefix for the executables that is used during compilation host ed ti davinci host make ARCH arm CROSS COMPILE arm v5t_le davinci dm644x defconfig 4 To modify the kernel options you will need to use the make menuconfig command See the MontaVista documentation for information on how to do this To enable the MontaVista default kernel options use the following command host make ARCH arm CROSS COMPILE arm v5t_le checksetconfig 5 Compile the kernel using the following command host make ARCH arm CROSS COMPILE arm v5t_le ulmage 6 Use the following command to copy the ulmage to a place where U Boot can use TFTP to download it to the EVM These commands assume you are using the default TFTP boot area which is tftpboot If you use another TFTP root location please change tftpboot to your own TFTP root location host cp workdir lsp ti_davinci arch arm boot uImage tftpboot host chmod a r tftpboot uImage See a standard Linux kernel reference book or online source for more about Linux build configuration options DVEVM Software Setup 4 13 Booting the New Linux Kernel 4 7 Booting the New Linux Kernel After building the new kernel in order to use it to boot the DaVinci board you must transfer it to the board via TFTP It is assumed you have completed the steps in Section 4 6 Building a New Linux Kernel and the boot file ulmage has been copied to tftpboot or some other site specific TFTP
11. the product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or services might be or are used Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2006 Texas Instruments Incorporated FCC Warning This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMON STRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interfer ence with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference About This Guide Preface The DVEVM Digital Video Evaluation Module is an evaluation platform that showcases the DM644x architecture and lets users evaluate the power and pe
12. to launch when this demo exits By default this is off UI h help Print this help message The following example uses MPEG2 video decode no speech or audio decode and quits after 20 seconds Target decode v data videos mpeg2ts partl m2v t 20 The following example uses AAC audio decode only Target decode a data sounds 19 44 aac The following example uses MPEG2 video and AAC audio decode Target decode a data sounds 19 44 aac v data videos mpeg2ts partl m2v The following example uses MPEG4 video and G 711 speech decode Target decode v data sounds dlp mpeg4 s data sounds Inputl Alaw g711 You must specify at least a video or speech or audio file in order to run the decode demo You may specify both video and speech or both video and audio You cannot specify all three at once For more information about this demo see the decode txt file and Section 3 3 3 About the Decode Demo Additional Procedures A 5 Changing the Video Input Output Methods A 2 Changing the Video Input Output Methods The DVEVM can input video using the following methods 1 Composite default 1 S Video best quality In addition there are three types of video output 1 Composite default lowest quality 1 S Video medium quality a Component best quality There is a significant quality difference between the different inputs and outputs However the cables in the DVEVM kit support only composite video Y
13. when you power up the board It does not require an NFS mount or a TFTP Server to run the standard demos A DHCP server is required by default the DHCP service provided by most routers is sufficient to run the demos By default the DHCP server obtains dynamic IP addresses To abort the standard boot press any key in the console window see Section 2 2 Also see Section A 5 Alternate Boot Methods if you want to change the boot configuration Starting the Standalone Demos 3 9 Q O D E 3 3 PHILIPS UNIVERSAL When you connect the DVEVM hardware the pre loaded examples run automatically on the LCD display These examples encode and decode audio video and speech There are two ways to use the demos UI Standalone This is the default power on mode The demos run automatically with no connection to a workstation in the default boot configuration Ii Command line Once you have connected the DVEVM to a workstation and installed the necessary software as described in Section 4 3 1 Installing the Target Linux Software you can run the demos from the board s Linux command line as described in Section A 1 Running the Demos from the Command Line Once the DVEVM board has booted the LCD display should show a picture of the remote control You use the IR remote to control the demos To use the demos in standalone mode follow these steps 1 Check to make sure the batteries are installed in your IR remote
14. 16 The initial screen of the demo software should be displayed on the LCD display Use the IR remote to run the software as described in Chapter 3 Note that there will be a DHCP related delay if there is no network connection DVEVM Hardware Setup 2 5 Connecting to a Console Window 2 2 Connecting to a Console Window You can open a console window that allows you to watch and interrupt DVEVM boot messages by following these steps 1 Connecta serial cable between the serial port on the DVEVM and the serial COM port on a PC 2 Run a HyperTerminal session on the PC and configure it to connect to that serial port 3 When you power on the DVEVM you will see boot sequence messages You can press a key to interrupt the boot sequence and type commands in the U Boot command shell In this guide commands to be typed in the U Boot shell are indicated by an EVM prompt Chapter 3 Running the Demonstration Software This chapter explains how to run the software demos provided with the DVEVM Topic Page 3 1 Default Boot Configuration 2 200 eee eee eee 3 2 3 2 Starting the Standalone DemoS 02000eeeeeeeeee 3 2 3 3 Running the Standalone Demos 20 eeeee nn 3 3 3 4 Running the Network Demo 2 20000eeeeeeeeeee 3 10 3 1 Default Boot Configuration 3 1 3 2 Default Boot Configuration Out of the box the DVEVM starts the demos automatically after a few seconds
15. 4 5 Rebuilding the DVEVM Software for the Target 4 12 4 6 Building a New Linux Kernel 20000 eee ee eens 4 12 4 7 Booting the New Linux Kernel 00000ee eee eeeee 4 14 4 8 installing Upgrades ae aa e ea 4 14 Software Overview 4 1 Software Overview To begin developing applications you need to install the DVEVM development environment This section outlines the steps required to load the DVEVM software onto the development host You will need the three DVEVM distribution CDs or the files they contain to get started The DaVinci software approach provides interoperable optimized production ready video and audio codecs that leverage DSP and integrated accelerators These codecs are built into configurable frameworks and are presented via published APIs within popular operating systems such as Linux for rapid software implementation The DVEVM provides for development on the ARM side Developers treat the DSP side as a black box that is accessible through a set of APIs If you want to program the DSP side directly the DVSDK Digital Video Software Development Kit supports this capability The following software is provided with the DVEVM 1 Standalone demonstration software This is provided on the hard drive on the DVEVM The hard wired examples encode and decode audio video and speech Another demo shows the board s network capabilities See Section 3 2 Starting the Standalone Demos
16. 7 A 8 Restoring and Updating the DVEVM Hard Disk Drive A 18 Running the Demos from the Command Line A 1 A 1 1 A 2 Running the Demos from the Command Line You can run the demo applications from the Linux shell in a terminal window connected to the EVM board s serial port These are the same demos described in Section 3 2 Starting the Standalone Demos The command line syntax and options for the demo applications are provided in the following subsections Before running demo applications from the command line you must load the DSP BIOS Link and CMEM kernel modules Use the following command from the directory that contains the demos to load these modules Target loadmodules sh The supported file extensions for A V files are Video H 264 Baseline Profile 264 files Video MPEG4 mpeg4 files Video MPEG2 m2v files Speech G 711 g711 files Audio AAC aac files Audio MPEG1 Layer 2 mp2 files UL UL LL eo Encode Decode Demo Command Line This demo uses Codec Engine to encode data from the capture device V4L2 using the H 264 algorithm into an intermediate buffer before the data is decoded to the display frame buffer Target encodedecode options Options UI r resolution Resolution of demo Specify CIF ZOOM or D1 The default is D1 m CIF Captures and displays at 352x240 on an NTSC system and 352x288 on a PAL system The image is centered on the screen
17. DVEVM Getting Started Guide Literature Number SPRUE66A August 2006 19 TEXAS INSTRUMENTS IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries Tl reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to TI s terms and conditions of sale supplied at the time of order acknowledgment Tl warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI s standard warranty Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed TI assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using TI components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards TI does not warrant or represent that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellect
18. Linux workstation you might use Minicom 3 Power on the DVEVM board and abort the automatic boot sequence by pressing a key in the console window Section 2 2 DVEVM Software Setup 4 9 Installing the Software 4 Set the following environment variables in the console window EVM setenv nfshost lt IP ADDRESS OF YOUR NFS HOST gt EVM setenv rootpath lt DIRECTORY TO MOUNT gt EVM setenv bootargs console ttyS0 115200n8 noinitrd rw ip dhcp root dev nfs nfsroot nfshost rootpath nolock mem 120M 5 Save the environment so that you don t have to retype these commands every time you cycle power on the EVM board EVM saveenv 6 Boot the board using NFS EVM boot See Section A 5 Alternate Boot Methods for information about booting with TFTP or NFS and using flash or the board s hard drive 4 3 6 Configuring the Boot Setup for PAL Video Users 4 10 You can configure the DVEVM to select either the NTSC or PAL video standard during the default boot sequence To select PAL set switch 10 on the S3 USER user bank of switches to On For NTSC set this switch to Off The switch causes the U Boot environment variable videostd to be set to pal or ntsc Using the videostd variable in the bootargs environment variable passed to the Linux kernel causes the corresponding video standard to be used by the display VPBE driver The default bootcmd environment variable accomplishes this task as follows
19. Save the U Boot parameters EVM saveenv 7 Boot DVEVM from NFS on the host Linux workstation EVM boot 8 Log into MontaVista Linux as root A 8 3 Restore the DVEVM Hard Disk Drive The DVEVM hard disk drive HDD can be restored from a target DVEVM HDD partition or from the host Linux workstation file system It is not necessary to follow both methods they both achieve the same result Restoring the DVEVM HDD takes 10 to 15 minutes The restore script must uncompress 600 MB of compressed data and load it to the dev hda1 partition After the hard drive restore process has completed make sure to restart the DVEVM and configure U Boot to root mount via the local HDD The steps for this type of boot are provided in Section A 5 1 Booting from Flash Using Board s Hard Drive File System Additional Procedures A 19 Restoring and Updating the DVEVM Hard Disk Drive A 8 3 1 Restoring From Target DVEVM HDD Partition Follow these steps to restore the HDD from the restore partition on the HDD itself 1 Make a directory for mounting the HDD restore partition EVM mkdir mnt restore 2 Mount the HDD restore partition EVM mount t ext3 dev hda2 mnt restore 3 Set the Linux date variable to today s date If the date is too far off the target file system installation generates a bunch of warnings EVM date MMDDHHMMCCYY For example for 9 00 am on April 18th 2006 enter 041809002006 4 Change directory to mnt r
20. accessible location 1 Power on the DVEVM board and abort the automatic boot sequence by pressing a key in the console window Section 2 2 2 Set the following environment variables This assumes you are starting from a default clean U Boot environment See Section 3 1 Default Boot Configuration for information on the U Boot default environment EVM setenv bootcmd dhcp bootm EVM setenv serverip lt YOUR TFTP SERVER IP ADDRESS gt EVM setenv bootfile ulmage EVM setenv bootargs mem 120M console ttyS0 115200n8 root dev hdal rw noinitrd ip dhcp This configuration boots a new Linux kernel via TFTP with a hard drive based file system Please see Section A 5 4 Booting via TFTP Using NFS File System for information on using TFTP with an NFS file system 4 8 Installing Upgrades To install software from an upgrade package following the instructions provided with that package 4 14 Additional Procedures This appendix describes optional procedures you may use depending on your setup and specific needs Topic Page A 1 Running the Demos from the Command Line A 2 A 2 Changing the Video Input Output Methods 4 A 6 A 3 Putting Demo Applications in the Third Party Menu A 9 AA Setting UpiaTiRlP Serve tinier peer oa oa sofa eae aaa A 11 A5 Alternate BootiMethocd SE A 12 A 6 Installing Components Under Windows 5 A 16 A 7ZaNRebuildingIDSP BIOSILi Nk A 1
21. arget DVEVM board to the host workstation 5 On the host workstation open a terminal session to the target DVEVM board with the following characteristics E Bits per Second 115200 Data Bits 8 Parity None Stop Bits 1 Flow Control None For example you can create a terminal session with HyperTerminal or TeraTerm on MS Windows and Minicom or C Kermit on Linux 6 Start an NFS server on the host workstation This document assumes the host path home user workdir filesys contains a file system that the target DVEVM can use for root mounting Restoring and Updating the DVEVM Hard Disk Drive A 8 2 Configure DVEVM for NFS Root Mount Follow these steps to configure your DVEVM for an NFS root mount 1 Configure the Boot Switches S3 to 1011111110 This is the red bank of switches in the middle of the DVEVM 2 Power on the DVEVM and hit any key to enter U Boot 3 Configure bootcmd as follows to boot the Linux kernel via Flash EVM setenv bootcmd bootm 0x2050000 4 Configure bootargs as follows to root mount the file system from NFS EVM setenv bootargs console ttyS0 115200n8 noinitrd rw ip dhcp root dev nfs nfsroot 192 168 1 102 home user workdir filesys nolock mem 120M The nfsroot option in this command uses the host workstation IP address Make sure to replace the IP address 192 168 1 102 with the actual address of your host Linux workstation 5 Optional Print the U Boot parameters EVM printenv 6
22. below 5 Connect the BNC to RCA connector to the coax cable Then connect the coax cable to the video camera and the DVEVM Video Input 6 Connect the power jack for the video camera To be ESD safe do not plug in the other end of the camera power cord until the later step that instructs you to do so See Section A 2 Changing the Video Input Output Methods for information about using S Video or Component video DVEVM Hardware Setup 2 3 Setting Up the Hardware 7 8 9 Connect the microphone to the DVEVM Connect the power cable to the DVEVM Power Jack on the board To be ESD safe do not plug in the other end of the cable yet AMi If you will use the Ethernet connection connect the Ethernet cable to the Ethernet Port on the DVEVM and to an Ethernet network port If you do not connect the board s Ethernet controller to a computer running a DHCP server booting the board will take several additional minutes Setting Up the Hardware 10 If you plan to use the UART port for a console window connect the RS232 null modem cable to the DVEVM UART port and the a COM port on your host Linux workstation See Section 2 2 Connecting to a Console Window for more about using a console window MIT 11 Plug in the LCD display to a power supply 12 Plug in the NTSC PAL video camera to a power supply 13 Plug in the DVEVM board to a power supply 14 Power on the LCD display 15 Power on the DVEVM board
23. button 3 2 DVEVM 1 2 installing software 4 7 DVEVM software rebuilding 4 12 dvevm_setupwin32_ exe installer A 16 DVSDK 4 2 4 3 dynamic IP addresses 3 2 E electrostatic precautions 2 2 Encode Decode demo 3 3 3 5 command line A 2 Encode demo 3 3 3 6 command line A 3 ESD precautions 2 3 Ethernet 2 4 setup 2 5 EVM prompt 2 6 4 3 examples 3 2 EXEC_DIR environment variable environment variables EXEC_DIR A 16 Index 1 Index exitdemo 3 3 exports file 4 9 F file extensions 3 6 3 8 A 2 A 3 A 5 file system 4 8 files Decode demo 3 8 Encode demo 3 6 on CDs 4 2 flash memory boot configuration A 12 A 14 G G 711 speech 3 6 3 8 A 2 A 3 A 5 H H 264 video 3 5 3 6 3 8 A 2 A 3 A 5 hard disk drive A 18 hard drive 1 3 boot configuration A 12 A 13 recovery 4 2 HDD A 18 restore A 18 A 20 update A 22 host prompt 4 3 host platform Windows A 16 HyperTerminal 2 6 Info Select button 3 4 installing DVEVM software 4 7 hardware 2 2 Linux software 4 6 on Windows host A 16 IP addresses dynamic 3 2 IR remote 1 3 3 2 resetting code 3 2 K kit contents 1 3 Index 2 L LCD display 1 3 2 2 Link DSP BIOS 4 4 Linux 4 4 installing 4 6 kernel 4 12 versions supported 4 6 Linux Support Package 4 12 M microphone 1 3 2 4 Microsoft Windows 4 8 A 16 modules tar gz file 4 2 monitor 2 2 MontaVista Linux 4 2 demo version 4 3 full version 4 3 MontaVista Linu
24. cd host mkdir p workdir filesys host cd workdir filesys 3 Switch user to root on the host Linux workstation host su root 4 Perform the following commands to create a copy of the target file system with permissions set for writing to the shared area as lt useracct gt Substitute your user name for lt useracct gt If you installed in a location other than opt mv_pro_4 0 use your location in the cp command host cp a opt mv pro 4 0 montavista pro devkit arm v5t_le target host chown R lt useracct gt opt 5 Edit the etc exports file on the host Linux workstation Add the following line for exporting the filesys area substituting your user name for lt useracct gt Use the full path from root may not work for exports on all file systems home lt useracct gt workdir filesys rw no root _squash no all _ squash sync 6 Still as root use the following commands to make the NFS server aware of the change to its configuration and to invoke an NFS restart host usr sbin exportfs a host sbin service nfs restart 4 3 5 Testing the Shared File System To test your NFS setup follow these steps 1 Get the IP address of your host Linux workstations as follows Look for the IP address associated with the ethO Ethernet port host sbin ifconfig 2 Open a terminal emulation window to connect to the DVEVM board via RS 232 If you have a Windows workstation you can use HyperTerminal If you have a
25. ch to the selected demo You can quit out of the demos completely at this point by pressing Power Within a demo you start at the settings screen where you see the controls Encode you can use to run the demo at the Ma PAT i l Eo bottom of the screen and the current Wewa Speech settings in the upper right D 720x480 For example the Encode demo allows NTSC display you to set the video format and the bit rate at which video should be encoded 8KHz samp rate Fixed settings are also shown here 4 Mbps Video Use the up and down arrows to move to a setting you want to change Running the Demonstration Software 3 3 Running the Standalone Demos REC 3 4 PLAY STOP PAUSE INFO SELECT Show Hide OSD 5 Use the left and right arrows to cycle through the options until the setting you want is shown 6 Press Play to begin the EncodeDecode and Decode demos Press Rec record twice to begin the Encode demo Press Stop to return to the main menu 7 While the demo runs data about the settings processor load and rates are shown Static settings are on the right Dynamic data reporting is on the left For example ARM CPU load 7 Encode DSP CPU load 89 H 264 BP Video Video frame rate 30 fps G 711 Speech Video bit rate 4050 kbps D1 720x480 Audio bit rate 61 kops NTSC display Time elapsed 00 00 24 8KHz samp rate 8 This information overlays the video as a result the video you see is dar
26. ctory Additional Procedures A 17 Restoring and Updating the DVEVM Hard Disk Drive A 8 A 8 1 Restoring and Updating the DVEVM Hard Disk Drive System Setup This section describes how to restore and update all the files on the DVEVM hard disk drive HDD including the MontaVista file system and the demos Using these restore procedures you can return your board to a known state should anything happen to the data on the board s HDD This section assumes that you have configured a host Linux workstation with the software necessary to perform an NFS root mount with the DVEVM as described in Section 4 3 4 and Section 4 3 5 In this section U Boot is always located at the start of flash memory address 0x02000000 on the target Similarly ulmage the Linux kernel program is booted from the target flash memory address of 0x02050000 You should make sure the following system setup steps have been performed before you attempt to restore or update the hard disk drive 1 Inspect jumper J4 which is labeled CS2 SELECT Make sure FLASH is selected 2 Connect the Ethernet port of the host workstation to a router Configure the host Ethernet port to obtain IP address dynamically via a DHCP server running inside the router 3 Connect the Ethernet port of the target DVEVM to another port on the same router This establishes a network connection with your host workstation 4 Connect an RS 232 cable from the UARTO port of the t
27. dated DVEVM HDD software from the DVEVM Update website To do this follow these steps 1 Download the latest DVEVM Software Update dvevm_setuplinux_ bin from the following location to your host file system https www a ti com extranet cm product dvevmsw dspswext general homepage shtml 2 Follow the steps in Section A 8 3 2 Restoring From Host Linux Workstation File System to restore the target DVEVM HDD from the the host file system A AAC audio 3 8 A 2 A 4 application 4 4 ARM9 1 3 ARM side development 4 2 arrow buttons 3 3 audio cables 2 3 B battery 1 4 3 2 bin files 4 6 block diagram 1 4 boot configurations A 12 flash with hard drive A 12 flash with NFS A 14 NFS 4 9 standard 3 2 TFTP with hard drive A 13 TFTP with NFS A 15 boot sequence A 12 build environment 4 11 C C64 DSP 1 3 cables 1 3 connecting 2 2 camera 1 3 2 3 CDs 1 3 file contents 4 2 mounting 4 5 clock battery 1 4 Code Search button 3 2 Codec Engine 3 4 3 6 4 4 COM port 2 6 command line demos A 2 command prompts 4 3 component video A 6 A 8 composite video A 6 console window 2 6 contents of kit 1 3 Index CPU load 3 4 cross compiler A 16 D data files 4 8 DaVinci technology 1 2 community 1 5 Decode demo 3 3 3 8 command line A 4 demos 3 2 command line A 2 DHCP server 3 2 digital camera 1 3 display 1 3 2 2 DISPLAY environment variable 4 5 DSP 4 4 black box 4 2 DSP BIOS Link 4 4 DVD
28. davincidsp com 1 Codec Engine Application Developer s Guide SPRUE67 1 Other PDF documents on the CDs included with the DVEVM DVEVM Overview 1 5 Chapter 2 DVEVM Hardware Setup This chapter tells you how to set up the DVEVM hardware Topic Page 2 1 Setting Up the Hardware 0000 2c nE E eee 2 2 2 2 Connecting to a Console Window c c noa 2 6 2 1 Setting Up the Hardware 2 1 Setting Up the Hardware To set up the hardware provided with the DVEVM use the steps in the sections that follow You may skip sections if you do not need to access a particular peripheral For example if you do not need to use the serial cable skip that section 1 The DVEVM is sensitive to static discharges Use a grounding strap or other device to prevent damaging the board Be sure to connect communication cables before applying power to any equipment 2 If you use PAL video set switch 10 on the S3 USER bank of switches to On If you use NTSC video set this switch to Off See Figure 1 1 for S3 switch bank location 3 Connect the yellow video cable to the upper right Video Out jack on the DVEVM and the LCD display Video Input as shown below See Section A 2 Changing the Video Input Output Methods for information about using S Video or Component video Setting Up the Hardware 4 Connect the red and white audio cables to the DVEVM Audio Output and the LCD display R L Audio Input jacks as shown
29. demos are installed in the same directory The three required files must be in the top level directory of the archive Other files may be in subdirectories so long as the demo Additional Procedures A 9 Putting Demo Applications in the Third Party Menu A 10 3 uses relative references to access them For example the following directory structure might be used in the archive app sh data datafilel datafile2 logo jpg readme txt To check the format of the file you create execute the following command in Linux The result should say gzip compressed data lt filename gt tar gz Put your archive in the thirdpartydemos subdirectory of the target installation directory This is where the DVEVM software was installed on the target file system The default target installation directory is opt dvevm so the default location for demo archives is opt dvevm thirdpartydemos Do not extract the contents of the archive in this location Extraction is performed behind the scenes each time the demo is run Setting Up a TFTP Server A 4 Setting Up a TFTP Server You can check to see if a TFTP server is set up with the following command host rpm q tftp server If it is not set up you can follow these steps 1 If you have not yet installed MontaVista Linux Demo Edition see Section 4 3 1 you can download a TFTP server for your Linux host from many locations on the Internet Search for
30. deo camera 1 3 2 3 power 2 3 video formats A 6 videostd environment variable 4 10 VISA APIS 4 4 W Windows 4 8 A 16 MontaVista Linux Tools A 16 X xDAIS 4 4 xDM 4 4 Y YPrPb A 8 Index 3 Index 4
31. e 50x50 E readme txt This is a text file The first 40 characters of the file should briefly describe the demo The demo interface displays up to 40 characters but stops if it encounters a new line character For example the file might contain Video Phone demo or Network Audio demo E app sh This is an executable that launches your demo It can either be the demo executable itself or a shell script that executes the executable If this is a shell script make sure its executable bit is set for all A script could look something like bin sh exec mydemoname NM other files If app sh is a shell script your demo executable will have some other name You may also need to include data files or other files used by the executable I 1 Note The demo application must use relative paths to access any files it needs at runtime This because the archive is extracted to another location from which the demo is executed L 2 Create a gzipped tar file ends with tar gz that archives all the files in the previous list For example if your files are logo jpg readme txt and app sh you could use the following command tar cvzf ti_videophone tar gz logo jpg readme txt app sh Name the tar file using lt company gt _ lt demoname gt tar gz with no spaces in the file name as the convention For example a video phone demo created by Texas Instruments would be named ti_videophone tar gz The name must be unique since all
32. e performed the steps in Section 4 3 4 Exporting a Shared File System for Target Access and Section 4 4 Setting Up the Build Development Environment Perform the following steps on the NFS host system as user not as root 1 host mkdir workdir filesys opt hello 2 host cd workdir filesys opt hello 3 Create a file called hello c with the following contents include lt stdio h gt int main printf Buongiorno DaVinci n return 0 4 host arm_v5t_le gcc hello c o hello Perform the following steps on the target board You may use either the target s console window Section 2 2 or a telnet session 1 target cd opt hello 2 Run hello The output should be Buongiorno DaVinci DVEVM Software Setup 4 11 Rebuilding the DVEVM Software for the Target 4 5 Rebuilding the DVEVM Software for the Target To place demo files in the opt dvevm directory you need to rebuild the DVEVM software To do this follow these steps 1 Change directory to dvevm_ _ 2 Edit the dvevm_ _ Rules make file Make sure that EXEC_DIR points to the opt directory on the NFS exported file system as follows and that LLNUXKERNEL_INSTALL_DIR is defined as follows EXEC DIR home lt useracct gt workdir filesys opt dvevm LINUXKERNEL INSTALL DIR opt mv_pro 4 0 montavista pro devkit lsp ti davinci 3 While in the same directory that contains Rules make use the following commands to build the DVEVM product and p
33. e with 40 GB of storage The drive speed in 5400 RPM and it has an 8MB cache The drive is an Ultra ATA 66 100 133 IDE Software is preloaded on the DVEVM board s hard disk drive CCD Camera Swann P N SW C C500R This camera provides NTSC or PAL video imaging for DaVinci applications LCD Display Delvcam P N DELVPROS56 NTSC DELVPRO56PL PAL The Delvcam LCD display provided with the DVEVM kit has a 5 6 screen and 320x240 pixels Cables and a power supply are provided The NTSC version supports has a 110 VAC power supply The PAL version has a 220 VAC power supply PC Desktop Microphone Labtec Verse 333 The microphone provides a way to capture audio for use by DaVinci applications IR Remote Control Phillips Magnavox P N PM4S EFM7ND This universal remote control is included to provide a user interface to the demo applications AIV Cables Cables used to connect the DVEVM board to peripheral devices and to a host Linux workstation used for development are provided in the kit The DVEVM kit also comes with the following software CDs Information about how to use the software components is provided in Chapter 4 a a DaVinci Digital Video Evaluation Kit TI DaVinci Demonstration Version of MontaVista Linux Pro v4 0 Target TI DaVinci Demonstration Version of MontaVista Linux Pro v4 0 Tools Additional software CDs are provided with DVDP upgrade kits DVEVM Overview 1 3 What s on the Board 1 3 What
34. er Space Linux APIs Kernel Space UART USB 2 0 EMAC Video Audio Driver Driver Driver Driver Driver File MMC SD SPI Link BIOS ATA Driver Driver Driver Driver GP Watchdg 2C Timer Timer Driver ARM Subsystem DSP Subsystem In the previous figure your application runs on the ARM side It handles I O and application processing To process video image speech and audio signals it uses the VISA APIs provided by the Codec Engine The Codec Engine in turn uses services such as DSP BIOS Link and protocols such as xDAIS and xDM to communicate with a pre configured Codec Engine Remote Server on the DSP side The DSP handles signal processing and the results are available to the ARM side in shared memory For more information see the Codec Engine Application Developer s Guide SPRUE67 In addition Linux on the ARM side makes a large number of APIs available to your application These include drivers and timers 4 4 Preparing to Install 4 2 Preparing to Install On a host system mount the three DVEVM demonstration CDs and copy the following bin files to a temporary location with at least 1 2 GB available space Since you can delete the installation files after installing the software a directory like tmp is recommended m m m m mvl_setuplinux_ 4 bin mvl_target_setuplinux_ 4 bin mvl_Isp_setuplinux_4 44 bin dvevm_setuplinux_ bin or dvevm_setupwin32_ exe
35. erver 192 168 160 71 our IP address is 192 168 161 186 Filename library davinci 0 4 2 ulmage Starting kernel VFS Mounted root nfs filesystem Additional Procedures A 15 Installing Components Under Windows A 6 Installing Components Under Windows A Linux host is the recommended development platform for DVEVM development However it is possible to use a Microsoft Windows host for such development Since the expected host is a Linux platform less documentation is provided for Windows host build issues The DVEVM provides the following Microsoft Windows installers for customers who already have the Windows version of MontaVista Linux Tools a DVEVM mvl_Isp_setupwin32_ 4 exe a DVEVM dvevm_setupwin32_ 4 exe The DVEVM does not include the Windows version of the MontaVista Linux Tools If you want to use a Windows host for DaVinci development you will need to obtain the Windows version of the MontaVista Linux Tools from Texas Instruments You must also have the Windows version of the MVL Target cross compilers that run on Windows to generate target side code To set up a Windows host for DaVinci development follow these steps 1 Run all the Windows installers in the sequence listed above The DVEVM software installers expect the MontaVista Linux tools to have already been installed 2 When running the installers even if you are in a MVL bash shell specify a full Windows style path with backs
36. estore EVM cd mnt restore 5 Add execute permissions for the script EVM chmod x restore hdd 6 Run the restore script EVM restore hdd 7 The script will ask for confirmation This will destroy all data on dev hdal are you sure Type yes Tera Term Web 3 1 COM1 VI File Edit Setup Web Control Window Help Monta Yista R Linux R Professional Edition 4 0 0501140 192 168 1 101 login root Last login Thu Jan 1 12 00 23 2004 on console Linux 192 168 1 101 2 6 10_mv1401 1 Thu Feb 23 08 31 35 PST 2006 armvStejl G Linux Welcome to MontaYista R Linux R Professional Edition 4 0 0501140 root 192 168 1 101 2 mkdir nnt restore rooEXT3 FS on hda2 internal journal EXT3 fs mounted filesystem with ordered data mode t 192 168 1 101 date 041809002006 Tue Apr 18 09 00 00 UTC 2006 root 192 168 1 101 2 cd mnt restore root i92 168 1 101 mnt restore chmod x restore hdd root 1i92 168 1 101 ant restore restore hdd This vill destroy all data on dev hdal are you sure yes NO E A 20 Restoring and Updating the DVEVM Hard Disk Drive 8 After the HDD restore is complete shutdown the DVEVM EVM halt 9 When the Power down message is printed in the terminal window it is safe to power down the DVEVM 10 Restart the DVEVM and configure U Boot to root mount via the local HDD Follow the steps in Section A 5 1 Booting from Flash Using Board s Hard Dr
37. he Third Party Menu Running the Demonstration Software 3 9 Running the Network Demo 3 4 3 10 Running the Network Demo As an example of standard TCP IP networking support the DVEVM examples include a small HTTP web server This web server is started on the GPP side as part of the Linux startup sequence It configured to service requests from web browsers on the standard TCP IP port 80 After the DVEVM board has booted connect a PC to the same network to which the DVEVM board is connected Enter a URL of the form http ip address of dvevm in a web browser for example Internet Explorer Firefox or Opera The IP address of the board is shown in the lower right corner of the main menu of the A V demos You should see a web page with information about DaVinci technology and the DVEVM software Welcome DaVinci Technology from TI makes the next generation of digital video and audio end equipment applications possible Learn more at The DaVinci Effect website This web page is being served from an HTTP Server running on the ARM926 processor of the DM6446 SoC on the DaVinci DVEVM board For the latest news and software updates on the DVEVM see the DVEVM website Control the A V Demo The DVEVM comes with a demo application that shows the power of the DaVinci hardware DM6446 and software that can be used to build incredible digital video and audio products You can start the demo and query the state of the system by us
38. heir xDM interfaces on the ARM through a Linux C callable API 1 DSP BIOS Link provides a GPP DSP interface utilized by the Codec Engine to control and communicate with the DSP from Linux To install the DVEVM software using the Linux installer follow these steps 1 Log in using a user account In the following steps we refer to the home user directory as 2 Install the software from the DVEVM CD For example host c tmp host dvevm_setuplinux_1 00 00 bb bin 3 When you are prompted do not use the default installation location Instead install the software in the home directory for the account you are using For example if your home directory is nome useracct enter that in the installation location dialog The DVEVM software would then be DVEVM Software Setup 4 7 Installing the Software installed under nome useracct dvevm_ where _ is the version number 4 You can now delete the bin files that you loaded into the temporary directory I Note You can uninstall one of these components by using the rm rf command on its directory You should ignore the _uninstall directories created by InstallShield L Some Microsoft Windows installers are provided for customers who already have the Windows version of MontaVista Linux Tools Use the installer that corresponds to your version of MontaVista Linux See Section A 6 Installing Components Under Windows for more information 4 3 3 Installi
39. ial ethaddr 00 0e 99 02 51 46 bootcmd 0x2050000 nfshost 192 168 160 57 rootpath exports useracct bootargs console ttyS0 115200n8 noinitrd rw ip dhcp root dev nfs nfsroot 192 168 160 57 ex ports useracct nolock mem 120M eth 00 0e 99 02 51 46 When you boot look for the following lines that confirm the boot mode Booting image at 02050000 Starting kernel VFS Mounted root nfs filesystem A 14 Alternate Boot Methods A 5 4 Booting via TFTP Using NFS File System To boot in this mode set the following parameters after you abort the automatic boot sequence EVM setenv bootcmd dhcp bootm EVM setenv serverip 192 168 160 71 EVM setenv bootfile library davinci 0 4 2 uImage EVM setenv rootpath exports useracct EVM setenv nfshost 192 168 160 57 EVM setenv bootargs console ttyS0 115200n8 noinitrd rw ip dhcp root dev nfs nfsroot nfshost rootpath nolock mem 12 0M For example the environment variables set for this mode might be bootdelay 3 baudrate 115200 stdin serial stdout serial stderr serial ethaddr 00 0e 99 02 51 46 bootcmd dhcp bootm serverip 192 168 160 71 bootfile library davinci 0 4 2 uImage rootpath exports useracct nfshost 192 168 160 57 bootargs console ttyS0 115200n8 noinitrd rw ip dhcp root dev nfs nfsroot 192 168 160 57 ex ports useracct nolock mem 120M eth 00 0e 99 02 51 46 When you boot look for the following lines that confirm the boot mode TFTP from s
40. ideo Evaluation Module Topic Page 151 WelCOMEI e aa A tei nits a au Eta ata oa opiu ele 1 2 12 What s inithis KIt2 e e ea ay ae eo ae i oua o a ae E e 1 3 1539 Whatisionthe Board 503 A ensue cacao ul 1 4 1 4 What s NEX 2 ci e A A ao 2 ea a CR ala a d Mota a 1 5 1 1 Welcome 1 1 1 2 Welcome Your new DVEVM Digital Video Evaluation Module will allow you to evaluate TI s new DaVinci M Technology and the DM644x architecture DAVINCI This technology brings together system solution Ma So ak tll components tailored for efficient and compelling digital video and audio The intended audience is a user developing Linux based software on the DM644x ARM core The DVEVM does not expose the DSP core for software development but rather treats it as a black box for running off the shelf codecs Separate upgrade kits from Texas Instruments will provide tools and software for DSP development 1 2 What s in this Kit What s in this Kit Your DVEVM kit contains the following hardware items Section 2 1 Setting Up the Hardware tells how to connect these components J DVEVM Board SDI P N 702050 This board contains a DaVinci TMS320DM6446 dual core device with an ARM9 and C64 DSP for development of applications that use both a general purpose processor and an accelerated DSP processor Hard Disk Drive Samsung P N MP0402H The hard drive provided with the DVEVM is a 2 5 Spinpoint driv
41. ing the links below which invoke simple CGI scripts on the DVEVM web server Note that if the demo is already running you will have to exit the demo using the IR remote before it can be re started using the web interface e Start e Status This is the same demo application that is automatically started whenever you turn on the EVM board Use this web page to interact with the board and run the A V demos described in Section 3 3 Running the Standalone Demos Two simple CGI scripts on the DVEVM enable you to start the demos assuming they are not already running and see what processes are running on the board If you want to see the demo started from the web page be sure to exit the demo first use the Power button from the main menu The web server software is an open source package called THTTPD http www acme com software thttpd It is designed to be small fast and portable The source code is included with the DVEVM software You can get the latest version directly from the web The web server and CGI scripts are installed on the target in the opt dvevm web directory Chapter 4 DVEVM Software Setup This chapter explains how to use the software provided with the DVEVM Topic Page 4 15 Software Overview a aaa a e Do ao aaa 4 2 4 2 Preparingito install eA E ea co ete ea E E aaa ee ae le 4 5 4 3 Installing the Software e ae ea e a ea a aE a E a 4 6 4 4 Setting Up the Build Development Environment 4 11
42. ive File System A 8 3 2 Restoring From Host Linux Workstation File System This section assumes that you have installed the DVEVM software to the host Linux workdir filesys restore directory After an NFS mount this is equivalent to restore for the target DVEVM Follow these steps to restore the HDD from the host Linux workstation restore directory 1 Login to the DVEVM as root 2 Go to the restore directory EVM cd restore 3 Set the Linux date variable to today s date If the date is too far off the target file system installation generates a bunch of warnings EVM date MMDDHHMMCCYY For example for 9 00 am on April 18th 2006 enter 041809002006 4 Add execute permissions on the restore hdd script EVM chmod x restore hdd 5 Run the script in the restore directory EVM restore hdd 6 The script will ask for confirmation This will destroy all data on dev hda1 are you sure Type yes 7 After the HDD restore is complete shutdown the DVEVM EVM halt 8 When the Power down message is printed in the terminal window it is safe to power down the DVEVM 9 Restart the DVEVM and configure U Boot to root mount via the local HDD Follow the steps in Section A 5 1 Booting from Flash Using Board s Hard Drive File System Additional Procedures A 21 Restoring and Updating the DVEVM Hard Disk Drive A 8 4 Update DVEVM Hard Disk Drive from Update Website You can download and install up
43. ker than the actual video To hide the information display so that you can better see the video press the Info Select button on the IR remote You can change the transparency of the OSD overlay while running a demo by using the left and right arrows on the remote 9 Press Stop or Pause when you want to end or pause a demo Press Stop from the settings screen you go back to the main menu The demos use the Codec Engine to allow GPP side applications to run algorithms transparently on the DSP You may notice that the DSP CPU load is initially high even if the DSP is not running any algorithms The CPU load starts at 100 while the DSP is booting and then decreases while the DSP waits for work to be requested by the GPP Even if DSP is idle it may take a short amount of time several seconds for the CPU load to settle to zero This is because the Codec Engine s CPU load calculation includes a small amount of history Running the Standalone Demos 3 3 1 About the Encode Decode Demo The Encode Decode demo allows you to record and playback video Video input comes from the camera it is encoded then decoded and sent to the LCD display Camera Display gt Raw Data Encoded Data Encode Decode Demo Codec Engine Video Encoder Video Decoder GPP Linux meng The Encode Decode does only video processing it does not encode and decode audio or speech The supported video algorithm is H 264 Baseline Profile
44. lashes For example C mvcyg4 0 home useracct 3 Use a text editor to edit the Rules make file Make the following changes mM MVTOOL_PREFIX Specify the prefix to be added before the GNU compiler tools Use UNIX format forward slashes with a preceding C For example you might use C mveyg4 0 opt mv_pro_4 0 montavista pro devkit arm v5t_le bin arm v5t_le mM EXEC DIR Specify the location to which the resulting executables and data should be copied using UNIX format forward slashes For example C mvcg4 0 opt dvevm Rebuilding DSP BIOS Link A 7 Rebuilding DSP BIOS Link If you want to rebuild the DSP BIOS Link package follow these steps assuming you are using the bash shell 1 Edit the davinci mvipro4 0 mk file which is in the dvevm_ _ dsplink_1_ 4 packages dsplink make Linux directory to make sure the BASE_BUILDOS and BASE_CGTOOLS variables correctly point to the correct locations 2 Define the DSPLINK environment variable to be the absolute path to the dsplink directory Use export for bash shell and setenv for tcsh shell For example host export DSPLINK home useracct dvevm_ dsplink_1 30 08 02 packages dsplink 3 Move to the Linux build script directory host cd DSPLINK etc host scripts Linux 4 Build DSP BIOS Link as follows host sh f buildmodule sh 5 The rebuilt kernel module is called dsplinkk ko It is located in the DSPLINK gpp export BIN Linux Davinci RELEASE dire
45. le formats For more information about this demo see the encode txt file and Section 3 3 2 About the Encode Demo Decode Demo Command Line This demo uses Codec Engine to decode data from files It outputs the uncompressed data using peripheral device drivers Video audio and speech files are supported All files must consist of raw frames of data Target decode options Options UI a audiofile Specify the filename of the audio file to play The file extension identifies the format to use The supported audio algorithms are AAC aac file extension and MPEG1 Layer 2 mp2 file extension You cannot play both an audio file and a speech file at the same time Running the Demos from the Command Line Ll s speechfile Specify the filename of the speech file to play The file extension identifies the format to use The supported speech algorithm is G 711 g711 file extension You cannot play both an audio file and a speech file at the same time 1 v videofile Specify the filename of the video to play The file extension identifies the format to use The supported video algorithms are MPEG4 mpeg4 file extension H 264 264 file extension and MPEG2 m2v file extension d t time Number of seconds to run the demo By default there is no time limit a l loop If used causes a loop back to the beginning of the files when they are finished d i interface If used causes the main demo interface
46. m ZOOM Captures video at 352x240 on an NTSC system and 352x288 on a PAL system After the data has been encoded and decoded it is zoomed by the display to D1 resolution 720x480 on NTSC and 720x576 on PAL mM D1 Capture and displays at 720x480 on an NTSC system and 720x576 on a PAL system J Running the Demos from the Command Line t time Number of seconds to run the demo By default there is no time limit i interface If used causes the main demo interface to launch when this demo exits By default this is off X Select S Video input format This flag is available only with DVEVM 1 1 greater DVEVM 1 0 supports only composite video h help Print this help message The following example uses ZOOM resolution and quits after 20 seconds Target encodedecode r ZOOM t 20 For more information about this demo see the encodedecode ixt file and Section 3 3 1 About the Encode Decode Demo A 1 2 Encode Demo Command Line This demo encodes data from peripheral device drivers to files Video and speech files are supported The files created are raw frames of encoded data with no headers Target encode options Options J S speechfile Specify the filename to which speech output should be sent The file extension identifies the format to use The supported speech algorithm is G 711 g711 extension The file will be created if it does not exist and truncated if it does exist
47. nd www ti com broadband Interface interface ti com Digital Control www ti com digitalcontrol Logic logic ti com Military www ti com military Power Mgmt power ti com Optical Networking www ti com opticalnetwork Microcontrollers microcontroller ti com Security www ti com security Low Power Wireless wwwii com lpw Telephony www ti com telephony Video amp Imaging www ti com video Wireless www ti com wireless Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2006 Texas Instruments Incorporated EVALUATION BOARDIKIT IMPORTANT NOTICE Texas Instruments TI provides the enclosed product s under the following conditions This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMON STRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use Persons handling the product s must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typi cally found in end products that incorporate such semiconductor components or circuit boards This evaluation board kit does not fall within the scope of the European Union directives re garding electromagnetic compatibility restricted substances ROHS
48. ng the A V Demo Files The fourth CD contains the A V files used by the demos After following the instructions in the previous section follow these instructions to install the A V files 1 Goto the DVEVM directory that you set up previously For example host cd dvevm_1 xx 2 Mount the A V data CD and copy the file to your DVEVM directory For example host cp mnt cdrom data tar gz 3 Extract the A V data files For example host tar xfz data tar gz 4 3 4 Exporting a Shared File System for Target Access Although the board s hard drive contains a file system during development it is more convenient to have the target board NFS mount a file system on a host Linux workstation Once you have tested the application you can store it on the board s hard drive for a standalone demonstration Before the board can mount a target file system you must export that target file system on the host Linux workstation The file system uses an NFS Network File System server The exported file system will contain the target file system and your executables Installing the Software To export the file system from your NFS server perform the following steps You only need to perform these steps once 1 Log in with a user account on the host Linux workstation In the following steps we refer to the home user directory as 2 Perform the following commands to prepare a location for the MontaVista file system host
49. nt Video Output To switch to highest quality component video output follow these steps 1 2 Connect your component video connectors to the connectors in a square on the far left of the board Instead of connecting one connector as with composite video connect the YPrPb connectors as shown here CK The DVEVM kit does not include a 3 connector cable used for component YPrPb video In addition you will need a video display with component video inputs On the kernel command line you can configure the DVEVM to select both NTSC vs PAL and the component video output format see Section 4 3 6 Configuring the Boot Setup for PAL Video Users For example if you want both NTSC and component video output use the following video dm6 4xxfb output ntsc format component If you want both PAL and component video use the following video dm64xxfb output pal format component Putting Demo Applications in the Third Party Menu A 3 Putting Demo Applications in the Third Party Menu You can add your own demos to the Third Party Menu by following the steps in this section Only four demos can be shown at once in the user interface If you add more than four demos the first four in alphabetical order are shown 1 Create the following files for your demo m logo jpg This is the logo of the third party company which will be showed next to the demo description The picture needs to be in JPEG format and of siz
50. ot sequence EVM setenv bootcmd dhcp bootm EVM setenv bootargs mem 120M console ttyS0 115200n8 root dev hdal rw noinitrd ip dhcp EVM setenv serverip lt your tftp server ip address gt EVM setenv bootfile lt path on tftpserver gt ulmage For example the environment variables set for this mode might be bootargs mem 120M console ttyS0 115200n8 root dev hdal rw noinitrd ip dhcp bootdelay 3 baudrate 115200 stdin serial stdout serial stderr serial ethaddr 00 0e 99 02 51 46 serverip XXX XXX XXX XXX your tftp server bootcmd dhcp bootm bootfile tftp path uImage Additional Procedures A 13 Alternate Boot Methods When you boot look for the following lines that confirm the boot mode TFTP from server 192 168 160 71 our IP address is 192 168 161 186 Filename library davinci 0 4 2 ulmage Booting image at 80700000 A 5 3 Booting from Flash Using NFS File System To boot in this mode set the following parameters after you abort the automatic boot sequence EVM setenv bootcmd 0x2050000 EVM setenv nfshost 192 168 160 57 EVM setenv rootpath exports useracct EVM setenv bootargs console ttyS0 115200n8 noinitrd rw ip dhcp root dev nfs nfsroot nfshost rootpath nolock mem 12 0M For example the environment variables set for this mode might be bootdelay 3 baudrate 115200 bootfile library davinci 0 4 2 uImage serverip 192 168 160 71 stdin serial stdout serial stderr ser
51. ote that you can use only a speech encoder not an audio encoder The supported video algorithms are MPEG4 mpeg4 file extension and H 264 264 file extension The supported speech algorithm is G 711 g711 extension 3 6 Running the Standalone Demos Table 3 2 IR Remote Buttons for Encode Demo IR Remote Button Mode Up Down Setup Left Right Setup Play Setup Record twice Setup or OK Info Select Setup Info Select Run Left Right Run Pause Run Stop Setup Run Action Performed Change option selection Change setting of selected option Switch to decode demo setup Begin encode demo Show hide block diagram for demo Toggle information display Change information transparency level There is no display for encode demo behind the information Pause demo press Play to resume Return to previous screen The application runs on the ARM using Linux The video and audio signals are passed to encoders on the DSP by the Codec Engine Shared memory is used when passing data To use this demo from the command line see Section A 1 2 Encode Demo Command Line Running the Demonstration Software 3 7 Running the Standalone Demos 3 3 3 About the Decode Demo The Decode demo plays audio speech and video files you select You can select a source video file and a source audio or speech file Use the left and right arrow buttons to choose from the demo files and the files created by the Encode demo which are s
52. ou will need to get S Video or Component video cables from another source A 2 1 Using S Video Input To switch to higher quality S Video input follow these steps 1 Connect your S Video connector to the S Video input port which is directly to the left of the currently used composite video input port 2 Select S Video input on the command line when you execute the encode or encodedecode demo using the x flag This flag is available only with DVEVM 1 1 or greater DVEVM 1 0 supports only composite video A 6 Changing the Video Input Output Methods A 2 2 Using S Video Output To switch to higher quality S Video output follow these steps 1 Unplug the composite video connector Then connect your S Video connector to the S Video output port which is to the right of the currently used composite video output port The DVEVM kit does not include an S Video cable In addition you will need a video display with an S Video input 2 Onthe kernel command line you can configure the DVEVM to select both NTSC vs PAL and the S Video output format see Section 4 3 6 Configuring the Boot Setup for PAL Video Users For example if you want both NTSC and S Video output use the following video dm64xxfb output ntsc format s video If you want both PAL and S Video use the following video dm64xxfb output pal format s video Additional Procedures A 7 Changing the Video Input Output Methods A 2 3 Using Compone
53. re not included but it is otherwise fully functional and useful for customers evaluating the DaVinci platform Also please note that this release does not include a MontaVista user license and no direct customer support warranty or indemnification from MontaVista Software Inc is provided You may choose to order the DVSDK which includes the production release of this demonstration version of MontaVista Linux This includes a full MontaVista license and the DevRocket IDE 4 1 1 Command Prompts in This Guide In this guide commands are preceded by prompts that indicate the environment where the command is to be typed For example D host Indicates command to be typed into the shell window of the host Linux workstation UI EvM Indicates commands to be typed into the U Boot shell in a console window connected to the EVM board s serial port Section 2 2 T target Indicates commands to be typed into the Linux shell in the terminal window connected to the EVM board s serial port DVEVM Software Setup 4 3 Software Overview 4 1 2 Software Components The following figure shows the software components used for application development on the DVEVM Application Layer APL Signal Customer Processing Value Added Differentiation Layer SPL DSP BIOS Services Eeee aeie ees Lewe DSP BIOS Link Srv PROC MSGQ A lt lt SEX gt orele fe Engine Remote Server xDM Speech Codec Us
54. recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of these directives or other related directives Should this evaluation board kit not meet the specifications indicated in the User s Guide the board kit may be returned within 30 days from the date of delivery for a full refund THE FORE GOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY IN CLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CON SEQUENTIAL DAMAGES TI currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive Tl assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling
55. rformance of the DM644x as a Multimedia engine The intended audience is the user who is developing Linux based software on the DM644x ARM core The DVEVM does not expose the DSP core for software development but rather treats it as a black box for running off the shelf codecs The DVSDK upgrade allows you to add the ability to develop applications for the DSP side In addition the DVSDK adds a full Linux license This guide gives you overview information about the board and the software provided with the board It is intended to be used as the initial getting to know you document for the DVEVM Other documents provide more in depth information See the DVEVM documentation index for a complete list of documents that have been included with the product Additional Documents and Resources You can use the following sources to supplement this user s guide a DaVinci EVM Home at Spectrum Digital http c6000 spectrumdigital com davincievm 1 TI Linux Community for DaVinci Processors http linux davincidsp com a Codec Engine Application Developer s Guide SPRUE67 Notational Conventions This document uses the following conventions UI Program listings program examples and interactive displays are shown in a mono spaced font Examples use bold for emphasis and interactive displays use bold to distinguish commands that you enter from items that the system displays such as prompts command output error messages etc
56. s on the Board The DVEVM comes loaded with peripherals your multimedia applications may need to make use of The hard drive on the board also comes pre loaded with demonstration software The following block diagram shows the major hardware components 3 3V Board Supply Voltage 1 8V VO Voltage 1 2V DSP Core Voltage 12C EEPROM ea DAVINCI EVALUATION MODULE A TEXAS INSTRUMENTS TECHNOLOGY Diagram provided courtesy of Spectrum Digital Inc Figure 1 1 DVEVM Hardware Block Diagram For more information about the DVEVM hardware see the DaVinci EVM website at http c6000 spectrumdigital com davincievm The DaVinci EVM incorporates a battery holder to provide backup power to the MSP430 s real time clock when the power is not applied to the board The battery is not included in the kit See the Spectrum Digital DaVinci EVM Technical Reference for suggested battery part numbers 1 4 What s Next What s Next To get started evaluating the DVEVM and developing applications for the DM644x begin by using this Getting Started guide It will step you through connecting the hardware testing the software and beginning to develop applications When you are ready for more information about DaVinci Technology and the DM644x architecture see the following a DaVinci EVM Home at Spectrum Digital http c6000 spectrumdigital com davincievm 1 TI Linux Community for DaVinci Processors http linux
57. t method To boot in one of these modes follow these steps 1 Power on the DVEVM board and abort the automatic boot sequence by pressing a key in the console window Section 2 2 2 Set the environment variables indicated in the following subsections for the boot mode you want to use 3 If you want to use these settings as the default in the future save the environment EVM saveenv 4 Boot the board using the settings you have made EVM boot A 5 1 Booting from Flash Using Board s Hard Drive File System This is the default out of the box boot configuration To boot in this mode set the following parameters after you abort the automatic boot sequence EVM setenv bootcmd bootm 0x2050000 EVM setenv bootargs mem 120M console ttyS0 115200n8 root dev hdal rw noinitrd ip dhcp Alternate Boot Methods For example the environment variables set for this mode might be bootargs mem 120M console ttyS0 115200n8 root dev hdal rw noinitrd ip dhcp bootdelay 3 baudrate 115200 bootfile library davinci 0 4 2 uImage NOT USED serverip 192 168 160 71 NOT USED bootcmd bootm 0x2050000 stdin serial stdout serial stderr serial ethaddr 00 0e 99 02 51 46 When you boot look for the following line that confirms the boot mode Booting image at 02050000 A 5 2 Booting via TFTP Using Board s Hard Drive File System To boot in this mode set the following parameters after you abort the automatic bo
58. t version number from the temporary location that they were copied to in order to install the Linux tools Linux kernel and the file system These installation instructions assume you use the default installation directory opt host mvl_setuplinux_ _ bin host mvl target setuplinux 4 _ _ bin host mvl_lsp_setuplinux 4 bin It may take up to several minutes per file to start up InstallShield from these files Installing the Software 3 After you execute these files make sure the following files are located in opt mv_pro_4 0 or in the mv_pro_4 0 subdirectory of the directory you chose in place of the default Mi mvitools4 0 no target tar gz mM mvl4 0 target_path tar gz E DaVinciLSP tar gz 4 Goto the location where you will unpack the tar files For example host cd opt mv_pro 4 0 5 Unpack the tar files as root by using the following commands host tar zxf mvltools4 0 no target tar gz host tar zxf mvl4 0 target path tar gz host tar zxf DaVinciLSP tar gz This creates the MontaVista directory structure under the opt mv_pro_4 0 montavista directory 4 3 2 Installing the DVEVM Software The DVEVM software includes Codec Engine components DSP BIOS Link sample data files xDAIS and xDM header files and a contiguous memory allocator for Linux CMEM 1 Codec Engine provides a framework for creating and interacting with A V codecs running on the DSP via a reflection of t
59. tftp server 2 To install TFTP use this command where is the version number portion of the filename host rpm ivh db ztree useracct tftp server rpm You should see the following output warning db ztree useracct tftp server rpm V3 DSA signature NOKEY key ID 4f2a6fd2 Preparing Hranei 100 1 tftp server HHHHHHHHHHHHHHHHHHHHHHHHHHHH AHHH 100 3 Confirm that TFTP is installed with this command host sbin chkconfig list You should see the following output Note that TFTP is at the end of the list xinetd based services krb5 telnet off rsync off eklogin off gssftp off klogin off sgi_fam on rexec off rlogin off rsh on telnet on tftp off If you need to turn off the TFTP server use this command sbin chkconfig tftp on The default root location for servicing TFTP files is tftpboot Additional Procedures A 11 Alternate Boot Methods A 5 Alternate Boot Methods The default configuration for the DVEVM is to boot from flash with the file system on the board s hard drive The following are alternate ways you may want to boot the board 11 TFTP boot with hard drive file system Section A 5 2 1 Flash boot with NFS file system Section A 5 3 1 TFTP boot with NFS file system Section A 5 4 Section 4 3 6 discusses booting in PAL video mode vs NTSC video mode The subsections that follow show the environment variable settings used to enable each boo
60. tored on the DVEVM s hard disk drive The decoded signals are sent to the LCD display and speakers HDD Display Speakers Raw Data Encoded Data Decode Demo GPP Linux The supported video algorithms are MPEG4 mpeg4 file extension H 264 264 file extension and MPEG2 m2v file extension The supported audio algorithms are AAC aac file extension and MPEG1 Layer 2 mp2 file extension The supported speech algorithm is G 711 g711 file extension Table 3 3 IR Remote Buttons for Decode Demo IR Remote Button Mode Action Performed OC Up Down no action Left Right Setup Select a different file combination Play or OK Setup Begin decode demo Record no action Info Select Setup Show hide block diagram for demo Info Select Run Toggle information display Running the Standalone Demos Table 3 3 IR Remote Buttons for Decode Demo IR Remote Button Mode Action Performed Left Right Run Change information transparency level Pause Run Pause demo press Play to resume Stop Setup Run Return to previous screen The application runs on the ARM using Linux The video and audio signals are passed to decoders on the DSP by the Codec Engine Shared memory is used when passing data To use this demo from the command line see Section A 1 3 Decode Demo Command Line 3 3 4 About the Third Party Menu The Third Party Menu can be used to add additional demos See Section A 3 Putting Demo Applications in t
61. ual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this infor mation with alteration is an unfair and deceptive business practice TI is not responsible or liable for such altered documentation Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice TI is not responsible or liable for any such statements Following are URLs where you can obtain information on other Texas Instruments products and application solutions Products Applications Amplifiers amplifier ti com Audio www ti com audio Data Converters dataconverter ti com Automotive www ti com automotive DSP dsp ti com Broadba
62. ut the resulting binaries on the target file system for example opt dvevm host make host make install 4 6 Building a New Linux Kernel If you modify the target s Linux kernel sources you will need to rebuild it and then boot it up by either replacing the kernel that comes installed on the DVEVM board s flash or by having the U Boot utility use TFTP to boot the kernel over a network connection Make sure you have completed Section 4 4 Setting Up the Build Development Environment and Section 4 4 1 Writing a Simple Program and Running it on the DVEVM before attempting to build a new kernel You must at a minimum have the MontaVista tools in your path PATH opt mv_pro_ 4 0 montavista pro devkit arm v5t_le bin opt mv_pro_ 4 0 montavista pro bin PATH To rebuild the Linux Kernel follow these steps 1 Log in to your user account not as root 2 Use commands like the following to make a local working copy of the MontaVista Linux Support Package LSP in your home directory This copy contains the embedded Linux 2 6 10 kernel plus the DaVinci drivers If you installed in a location other than opt mv_pro_4 0 use your location in the cp command host ed host mkdir p workdir lsp host cd workdir 1lsp host cp R opt mv_pro 4 0 montavista pro devkit lsp ti davinci 4 12 Building a New Linux Kernel 3 Use the following commands to configure the kernel using the DaVinci defaults Note that CROSS COMPILE
63. x Tools for Windows A 16 MPEG1 Layer 2 audio 3 8 A 2 A 4 MPEG2 video 3 8 A 2 A 5 MPEG4 video 3 6 3 8 A 2 A 3 A 5 multimedia peripherals 1 4 mvl_Isp_setupwin32_ exe installer A 16 MVTOOL_PREFIX environment variable environment variables MVTOOL_PREFIX A 16 N NFS server 4 8 boot configuration A 14 A 15 testing 4 9 NTSC video 2 2 4 10 O OSD show and hide 3 4 OSD toggle 3 4 overlay tar gz file 4 2 P PAL video 2 2 4 10 PATH environment variable 4 11 4 12 Pause button 3 4 peripherals 1 4 2 2 Play button 3 4 ports 2 4 power 2 5 Power button 3 3 power cable 2 4 prompts 4 3 Q quitdemo 3 3 R rebuilding DVEVM software 4 12 Linux kernel 4 12 Record button 3 4 Red Hat Enterprise Linux 4 6 remote control 1 3 3 2 resetting code 3 2 restore directory 4 2 restore HDD A 18 Rules make file 4 12 running applications 3 3 S serial cable 2 6 serial connection 2 5 software 4 2 components 1 3 4 4 installing 4 6 Spectrum Digital website 1 4 standalone demos 3 2 static precautions 2 2 Stop button 3 4 SuSe Workstation 4 6 S Video A 3 A 4 A 6 input A 6 output A 7 T target prompt 4 3 Index test program 4 11 TFTP boot configuration A 13 A 15 server A 11 transfer files to board 4 14 Third Party Menu 3 3 A 9 TMS320DM6446 1 3 transparency of OSD 3 4 U U Boot utility 4 12 u boot bin file 4 2 ulmage boot file 4 14 ulmage file 4 2 updates A 22 V video cable 2 2 vi

TEXAS INSTRUMENTS DVEVM Getting Started Guide

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