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Texas Instruments TMS320DM6446 DVEVM v2.0 Calculator User Manual

1. 4 2 4 1 1 Command Prompts in This Guide 4 3 4 1 2 Software Components 4 4 4 2 Preparing to Install llle RI eh 4 5 4 3 Installing the Software 4 5 4 3 1 Installing the Target Linux 4 6 4 3 2 Installing the DVSDK Software 4 7 4 3 3 Installing the A V Demo 4 8 4 3 4 Installing the SoC Analyzer 4 9 vii Contents A viii 4 3 5 Exporting a Shared File System for Target Access 4 9 4 3 6 Testing the Shared File System 4 11 4 3 7 Configuring the Boot Setup for PAL Video 4 12 4 3 8 Notes on Using Evaluation Production Codecs 4 12 4 4 Setting Up the Build Development 4 13 4 4 1 Writing a Simple Program and Running it on the EVM 4 13 4 5 Building a New Linux 4 14 4 6 Rebuilding the DVEVM Software for the 4 16 4 7 Booting the New Linux 4 17 4 8 Testing the Build Environment
2. 4 18 4 9 Using the Digital Video Test Bench 4 18 4 10 Running The SoC 4 20 4 11 Documentation for DSP Side Development 4 21 Additional lt A 1 This appendix describes optional procedures you may use depending on your setup and specific needs A 1 Changing the Video Input Output Methods A 2 A 2 Putting Demo Applications in the Third Party A 5 A 3 S tting Upa TET PSewver nee ien eek ra aus She Rae Yoda A 7 A 4 Alternate Boot Methods diie heda eee e n 8 5 Rebuilding DSP BIOS A 11 A 6 Restoring and Updating the EVM Hard Disk Drive A 12 DVEVM Overview This chapter introduces the DVEVM Digital Video Evaluation Module kit Topic Page Welcome tense E Ree ICI renee ate ec omy Mie bese ae ate Nea 1 2 1 2 Whatsin this via 1 3 3 Whats 1 4 1E Whats NOX aus ET 1 5 Welcome 1 1
3. 1 4 1 4 What s Next 23 2 vene pan eer qe aise Pb ute 1 5 EVM Hardware Setup 2 1 This chapter tells you how to set up the EVM hardware 2 1 Setting Up the Hardware 2 2 2 2 Connecting to a Console Window 2 6 Running the Demonstration Software 3 1 This chapter explains how to run the software demos provided with the DVEVM kit 3 1 Default Boot Configuration 0000 ren 3 2 3 2 Starting the Standalone Demos llis 3 2 3 3 Running the Standalone 3 4 3 3 1 Shutting Down the 3 5 3 3 2 About the Encode Decode Demo 3 6 3 3 3 About the Encode Demo eres ee 3 7 3 3 4 About the Decode Demo 3 8 3 3 5 About the Third Party 3 9 3 4 Running the Demos from the Command Line 3 9 3 5 Running the Network 3 11 DVEVM Software Setup 4 1 This chapter explains how to use the software provided with the DVEVM kit 4 1 Software
4. Welcome Your new DVEVM Digital Video Evaluation Module kit will allow you to evaluate Tl s new DaVinci Technology and the DM644x architecture This technology brings together system solution components tailored for efficient and compelling digital video and audio DAVINCI TEXAS INSTRUMENTS 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 a EVM Board This board contains a DaVinci TMS320DM6446 dual core device with ARM9 and C64 DSP for development of applications that use both a general purpose processor and an accelerated DSP processor Hard Disk Drive The hard drive provided with the EVM is a 2 5 Spinpoint drive 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 has been preloaded on this EVM board s hard disk drive CCD Camera This camera provides NTSC or PAL video imaging for DaVinci applications LCD Display The 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 has a 110 VAC power supply The PAL version has a 220 VAC power supply PC Desktop Microphone The microphone provides a way to capture audio for use by DaVinci applications IR Remote Control This universal remote control is included t
5. A 8 A 5 Rebuilding DSP BIOS Link lt aeriene aena A 11 A 6 Restoring and Updating the EVM Hard Disk Drive A 12 A 1 Changing the Video Input Output Methods A 1 Changing the Video Input Output Methods The EVM can input video using the following methods Composite default S Video best quality In addition there are three types of video output Q Composite default lowest quality S Video medium quality 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 You will need to get S Video or Component video cables from another source A 1 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 A 2 A 1 2 Changing the Video Input Output Methods 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 ty The DVEVM kit does not include an S Video cable In
6. 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 with the DVEVM kit Operating System Linux APIs Kernel Space CVEM USB 2 0 EMAC Video Audio Driver Driver Driver Driver Driver File MVC SD SPI Link UART ATA Driver Driver Driver Driver GP z DSP BIOS In the previous figure your application runs on the ARM subsystem 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 subsystem The DSP handles signal processing and the results are available to the ARM subsystem in shared memory For more information see the Codec Engine Application Developer s Guide SPRUEG7 In addition Linux running on the ARM makes a large number of APIs available to your application including drivers and timers 4 4 Preparing to Install 4 2 Preparing to Install On a host system mount the DVEVM demonstration DVD and copy the following files to a temporary location with at least 2
7. DVTB Codec Engine Application home lt useracct gt dvsdk_ _ codec_engine_ _ docs XDC Tools Developer User s Guide SPRUE67 Codec Engine Server Integrator User s Guide SPRUED5 Codec Engine Algorithm Creator User s Guide SPRUED6 Example Build and Run Instructions Codec Engine API Reference Codec Engine SPI Reference Guide Configuration Reference Documentation Links nome lt useracct gt dvsdk_ _ codec_engine_ docs nome lt useracct gt dvsdk_ _ codec_engine_ docs nhome lt useracct gt dvsdk_ _ codec_engine_ examples build_instructions html nome lt useracct gt dvsdk_ _ codec_engine_ _ docs html index html nome lt useracct gt dvsdk_ _ codec_engine_ _ docs spi html index html nome lt useracct gt dvsdk_ _ codec_engine_ _ xdoc index html nhome lt useracct gt dvsdk_ xdctools_ _ docs index html used by Codec Engine xDAIS nome lt useracct gt dvsdk_ _ xdais_5_00 pack 4 22 XDAIS DM Digital Media User Guide SPRUEC8 ages ti xdais dm docs Appendix A Additional Procedures This appendix describes optional procedures you may use depending on your setup and specific needs Topic Page A 1 Changing the Video Input Output Methods A 2 A 2 Putting Demo Applications in the Third Party Menu A 5 A 3 gt Setting UpiasTETP Server A 7 A 4 Alternate Boot Methods
8. if you want both NTSC and component video output use the following davinci enc mngr ch0 output COMPONENT davinci enc mngr ch0 mode NTSC If you want both PAL and component video use the following davinci enc mngr ch0 output COMPONENT davinci enc mngr ch0 mode PAL A 2 Putting Demo Applications in the Third Party Menu 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 2 Create the following files for your demo B 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 size 50x50 B 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 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 other files If app sh is a shell script your dem
9. 4 6 Rebuilding the DVEVM Software for the Target To place demo files in the opt dvsdk dm6446 directory you need to rebuild the DVSDK software To do this follow these steps 1 Ifyou have not already done so rebuild the Linux kernel as described in Section 4 5 2 Change directory to dvsdk_ _ 3 Edit the Rules make file in the dvsdk_ _ directory B Set PLATFORM to match your EVM board as follows PLATFORM dm6446 B Set DVSDK INSTALL DIR to the top level DVSDK installation directory as follows DVSDK INSTALL DIR home useracct dvsdk Make sure EXEC DIR points to the opt directory on the NFS exported file system as follows EXEC DIR home useracct workdir filesys opt dvsdk PLATFORM B Make sure MVTOOL DIR points to the MontaVista Linux tools directory as follows MVTOOL DIR opt mv pro 5 0 montavista pro devkit arm v5t le B Make sure LINUXKERNEL INSTALL DIR is defined as follows LINUXKERNEL INSTALL DIR home useracct workdir lsp ti davinci linux 2 6 18 pro500 W Modify the following environment variables as needed to match the locations of these components on your Linux host We recommend that these components be installed in the home lt useracct gt dvsdk_ _ directory but you may have installed them elsewhere BIOS INSTALL DIR home useracct dvsdk bios FC INSTALL DIR home useracct dvsdk fc_ s INSTALL DIR home useracct dvsdk xdctools 4 While in th
10. If you have flashed a new kernel to the NOR flash at an address other than 0x2050000 modify this command accordingly Configure bootargs as follows to root mount the file system from NFS EVM setenv rootpath lt root directory to mount gt EVM setenv nfshost lt ip address of nfs host gt EVM setenv bootargs video davincifb vid0 720x576x16 2500K vid1l 720x576x16 2500K 0sd0 720x576x16 2025K davinci enc mngr ch0 output COMPOSITE davinci enc mngr ch0 mode videostd console ttyS0 115200n8 noinitrd rw ip dhcp root dev nfs nfsroot nfshost rootpath nolock mem 120M The nfsroot option in this command uses the host workstation IP address Make sure to replace the host ip addr gt with the actual address of your host Linux workstation Optional Print the U Boot parameters EVM printenv Save the U Boot parameters EVM saveenv Boot EVM from NFS on the host Linux workstation EVM boot Log into MontaVista Linux as root Additional Procedures A 13 Restoring and Updating the EVM Hard Disk Drive A 6 3 A 6 4 Restore the EVM Hard Disk Drive The EVM hard disk drive HDD can be restored from a target EVM HDD partition or from the host Linux workstation file system Either method will achieve the same result Restoring the EVM 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 co
11. applications possible Learn more at The DaVinci Effect website This web page is being served from an HTTP server running on the ARM core of the DaVinci SoC on the DaVinci EVM board For the latest news and software updates on the DVEVM see the DVEVM updates website Control the A V Demo The DYEVM comes with a demo application that shows the power of the Davinci hardware 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 using 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 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 EVM 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 ta
12. command line or press the Stop button on the remote You can also find the list of command line options in encode txt decode txt and encodedecode txt in the respective demo directories of the DVSDK package on the host ese oe 1 4 127595 ue Ax 53 re ci Note When you run loadmodules sh you may see warnings about the kernel being tainted by cmemk and dsplinkk You can ignore these warnings They occur because DSP BIOS Link does not use the kernel build system and is not under the same license as the kernel itself L Running the Network Demo 3 5 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 EVM board has booted connect a PC to the same network to which the EVM board is connected Enter a URL of the form http ip address of evm 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 4i TEXAS INSTRUMENTS Technology for Innovators Welcome DaVinci Technology from makes the next generation of digital video and audio end equipment
13. demo which are stored on the EVM s hard disk drive The decoded signals are sent to the display and speakers HDD Display Speakers gt Nc Raw Data Encoded Data Decode Demo GPP Linux 3 8 Running the Demos from the Command Line The supported video algorithms are MPEG4 mpeg4 file extension H 264 264 file extension and MPEG m2v file extension The supported audio algorithm is AAC aac 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 Up Down no action Left Right Setup Select a different file combination Play or OK Setup Begin decode demo Record 25 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 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 3 4 Running the Demos from the Command Line 3 3 5 About the Third Party Menu The Third Party Menu can be used to add additional demos See Section A 2 Putting Demo Applications in the Third Party Menu 3 4 Running the Demos from the Command Line You can ru
14. 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 EVM 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 target EVM board to the host workstation 5 On the host workstation open a terminal session to the target EVM board with the following characteristics Bits per Second 115200 Data Bits 8 Parity None Stop Bits 1 Flow Control None A 6 2 Restoring and Updating the EVM Hard Disk Drive For example you can create a terminal session with HyperTerminal or TeraTerm on MS Windows and Minicom or C Kermit on Linux 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 EVM can use for root mounting Configure EVM for NFS Root Mount Follow these steps to configure your EVM for an NFS root mount 1 4 Configure the Boot Switches S3 to 1011111110 This is the bank of switches in the middle of the EVM Power on the EVM and hit any key to enter U Boot Configure bootcmd as follows to boot the Linux kernel via flash EVM setenv bootcmd bootm 0x2050000 Note
15. dvsdk setuplinux bin This installs the DVSDK in nhome lt useracct gt dvsdk_ _ Execute the XDC installer that you previously copied from the DVSDK DVD For example host xdctools setuplinux bin When you are prompted do not use the default installation location Instead install the software in the directory created in Step 2 For example nome lt useracct gt dvsdk_ _ Execute the DSP BIOS installer that you previously copied from the DVSDK DVD For example host bios setuplinux 5 bin When you are prompted do not use the default installation location Instead install the software in the directory created in Step 2 For example nome lt useracct gt dvsdk_ _ Execute the Code Generation Tools installer that you previously copied from the DVSDK DVD For example host TI C6x CGT v bin DVEVM Software Setup 4 7 Installing the Software When the installer prompts for an installation location do not use the default location Instead use the entire path to the dvsdk_ codegen directory You will need to manually create the folder cg6x 6 where represents part of the version number For example home useracct dvsdk cg6x 6 0 16 Remember to set the environment variable as directed by the installer For example C6X C DIR home useracct dvsdk d cg6x 6 include home useracct dvsdk cg6x 6 1ib 6 You can now delete the bin file
16. tftpboot Additional Procedures A 7 Alternate Boot Methods A 4 Alternate Boot Methods The default configuration for the EVM is to boot from flash with the file system on the EVM s hard drive The following are alternate ways you may want to boot the board Q TFTP boot with hard drive file system Section A 4 2 Q Flash boot with NFS file system Section A 4 3 Q TFTP boot with NFS file system Section A 4 4 Section 4 3 7 discusses booting in PAL mode vs NTSC mode The subsections that follow show the environment variable settings used to enable each boot method Note Using video files from an NFS file system may result a low frame rate when encoding decoding videos L To boot in one of these modes follow these steps 1 Power on the EVM 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 Note that the setenv bootargs command should be typed on a single line 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 4 1 Booting from Flash Using the EVM s Hard Drive File System This is the default out of the box boot configuration A 8 Alternate Boot Methods To boot in this mode set the following parameters afte
17. the MontaVista directory structure under the lopt mv pro 5 0 montavista directory Note that unpacking these tar files will overwrite any existing files that were previously installed 1 Note The LSP shipped with the DVSDK is a multi platform LSP it is not configured for a particular platform As shipped this LSP cannot be used to build the demo or example applications It must first be copied to a user area and configured built for the EVM Please see Section 4 5 for instructions L Installing the Software 4 3 2 Installing the DVSDK Software The DVSDK software includes Codec Engine components DSP BIOS Link sample data files xDAIS and xDM header files and a contiguous memory allocator for Linux CMEM Note The installers for DSP BIOS and Code Generation Tools codegen have a different default installation location However we strongly recommend that you change the default installation locations to place the components together if you have not already installed the Linux versions of these components elsewhere This simplifies the build setup steps L SE To install the DVSDK software using the Linux installer follow these steps 1 Log in using a user account The user account must have execute permission for the dvsdk setuplinux x bin and xdctools_setuplinux_ 3t bin files Execute the DVSDK installer that you previously copied from the DVSDK DVD For example host cd tmp host
18. to your user account not as root 2 Set the PLATFORM variable in the Rules make file as described in Section 4 6 3 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 18 kernel plus the DaVinci drivers If you installed in a location other than opt mv pro 5 0 use your location in the cp command cd home lt useracct gt mkdir p workdir l1sp cd workdir lsp cp R opt mv pro 5 0 montavista pro devkit lsp ti davinci 4 Use the following commands to configure the kernel using the DaVinci defaults Note that CROSS COMPILE specifies a prefix for the executables that is used during compilation host cd ti davinci linux 2 6 18 pro500 host make ARCH arm CROSS COMPILE arm v5t le davinci dm644x defconfig Building a New Linux Kernel 5 To modify the kernel options you will need to use a configuration command such as make menuconfig or make xconfig To enable the MontaVista default kernel options use the following command host make ARCH arm CROSS COMPILE arm v5t le checksetconfig 6 If you want to enable Linux Trace for the SoC Analyzer follow these substeps Otherwise skip to Step 7 a Use this command to go to the configuration menu for the ARM host make ARCH arm CROSS COMPILE arm v5t le menuconfig b Navigate to Device Drivers Filesystems Pseudo Filesystems Set Relayfs file syst
19. 3 GB available space Since you can delete the installation files after installing the software a directory like tmp is recommended Qj mvl 5 0 demo sys setuplinux bin disk 1 5 0 0 demo Isp setuplinux 3 bin disk 2 dvsdk_setuplinux_ _ _ _ bin disk 2 d d xdctools_setuplinux_ bin disk 2 bios_setuplinux_ _ _ _ bin disk 2 Q TI C6x CGT v bin disk 2 Updates to these installers may be available on the TI DaVinci Software Updates website listed in Section 1 4 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 or bash host export DISPLAY cnabc0314159d1 0 4 3 Installing the Software Installing the software used by the DVEVM involves performing the following steps 4 Section 4 3 1 Installing the Target Linux Software Section 4 3 2 Installing the DVSDK Software Section 4 3 3 Installing the A V Demo Files Section 4 3 4 Installing the SoC Analyzer Section 4 3 5 Exporting a Shared File System for Target Access Section 4 3 6 Testing the Shared File System Oocccuye Section 4 3 7 Configuring the Boot Setup for PAL Video Users DVEVM Software Setup 4 5 Installing the Software 4 3 1 4 6 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 P
20. 5K davinci enc mngr ch0 output COMPOSITE davinci enc mngr ch0 mode videostd console ttyS0 115200n8 noinitrd rw ip dhcp root dev nfs nfsroot nfshost rootpath nolock mem 120M A 10 Rebuilding DSP BIOS Link The lt root directory to mount gt must match the file system that you set up on your workstation For example home useracct workdir filesys 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 uImage Starting kernel VFS Mounted root nfs filesystem A 5 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_mvipro5 0 mk which is the nome lt useracct gt dvsdk_ _ dsplink_ packages dsplink make Linux directory to make sure the BASE_BUILDOS and BASE_CGTOOLS variables correctly point to the correct locations For example BASE BUILDOS home useracct workdir lsp ti davinci linux 2 6 18 pro500 BASE CGTOOLS opt mv pro 5 0 montavista pro devkit arm v5t le bin 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 dvsdk dsplink packages dsplink 3 Move to the Linux build script directory host cd DSPLINK e
21. ALL_DIR 4 16 XDC_INSTALL_DIR 4 16 ESD precautions 2 3 Ethernet 2 4 setup 2 5 EVM prompt 2 6 4 3 examples 3 2 exitdemo 3 5 exports file 4 10 F FC_INSTALL_DIR environment variable 4 16 file extensions 3 7 3 9 file system 4 9 video performance 4 9 files Decode demo 3 8 Encode demo 3 7 ondisks 4 2 flash memory boot configuration A 8 A 10 G G 711 speech 3 7 3 9 H H 264 video 3 6 3 7 3 9 hard disk drive 12 hard drive 1 3 boot configuration A 8 A 9 HDD A 12 restore 12 A 14 host prompt 4 3 Info Select button 3 5 installation location 4 8 installing DVEVM software 4 7 hardware 2 2 Linux software 4 6 IR remote 1 3 2 5 3 3 resetting code 3 3 K kit contents 1 3 L LCD display 1 3 2 2 Link DSP BIOS 4 4 Linux 4 4 installing 4 6 kernel 4 14 versions supported 4 6 Linux Support Package 4 14 microphone 1 3 2 4 monitor 2 2 MontaVista Linux demo version 4 3 full version 4 3 MPEG2 video 3 9 MPEG4 video 3 7 3 9 multimedia peripherals 1 4 N NFS server 4 9 boot configuration A 10 testing 4 11 video performance 4 9 NTSC video 2 2 4 12 O OSD show and hide 3 5 OSD toggle 3 5 overlay tar gz file A 16 P PAL video 2 2 4 12 PATH environment variable 4 13 Pause button 3 5 performance 4 9 peripherals 1 4 2 2 Play button 3 5 ports 2 4 power 2 5 Power button 3 5 power cable 2 4 2 5 Index 2 prompts 4 3 Q quitdemo 3 5 R reb
22. Boot bootargs definition sets ip off which disables the Ethernet connection The out of the box boot parameters are listed in Section A 4 1 The following are alternate ways you may want to boot the board Q TFTP boot with hard drive file system Section A 4 2 Q Flash boot with NFS file system Section A 4 3 Q TFTP boot with NFS file system Section A 4 4 PAL video mode vs NTSC video mode Section 4 3 7 To abort the standard boot press any key in the console window see Section 2 2 Also see Section A 4 Alternate Boot Methods if you want to change the boot configuration 3 2 Starting the Standalone Demos 3 2 When you connect the EVM hardware the pre loaded examples run automatically on the display These examples encode and decode audio video and speech There are two ways to use the demos 2 Standalone This is the default power on mode The demos automatically with no connection to a workstation in the default boot configuration This is the mode documented in the rest of this chapter The standalone demo was set up by the DVSDK which copies the file examples dvevmdemo to the directory etc rc d init d the central repository for startup scripts This file is symbolically linked to etc rc d rc3id S88demo When the board boots up and enters runlevel 3 this file is executed to start the demo web server and the demo interface Command line Once you have connected the EVM to a workstation and
23. 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 setenv bootcmd nboot 80700000 0 a0000 bootmEVM setenv nf shost ip address of nfs host EVM setenv rootpath directory to mount gt EVM setenv bootargs video davincifb vid0 720x576x16 2500K vid1 2720x576x16 2500K 08d0 2720x576x16 2025K davinci enc mngr ch0 output COMPOSITE davinci enc mngr ch0 mode videostd console ttyS0 115200n8 noinitrd rw ip dhcp root dev nfs nfsroot nfshost rootpath nolock mem 120M For example directory to mount might be home useracct workdir filesys Note If you have flashed a new kernel to the NOR flash at an address other than 0x2050000 modify the bootcmd definition accordingly When you boot look for the following lines that confirm the boot mode Booting image at 02050000 Starting kernel VFS Mounted root nfs filesystem 44 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 lt tftp server ip address gt EVM setenv bootfile lt name of kernel image gt EVM setenv rootpath lt root directory to mount gt EVM setenv nfshost lt ip address of nfs host gt EVM setenv bootargs video davincifb vid0 720x576x16 2500K vid1l 720x576x16 2500K 0sd0 720x576x16 202
24. TMS320DM6446 DVEVM v2 0 Getting Started Guide Literature Number SPRUE66E December 2008 35 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 deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed Tl assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using Tl 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 rig
25. 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 Note Using video files from an NFS file system may result in a low frame rate when encoding decoding videos 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 To export the file system from your NFS server perform the following steps You only need to perform these steps once 1 Login with a user account on the host Linux workstation 2 Perform the following commands to prepare a location for the MontaVista file system For example host cd home useracct host mkdir p workdir filesys host cd workdir filesys 3 Switch user to root on the host Linux workstation host su root DVEVM Software Setup 4 9 Installing the Software 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_5 0 use your location in the cp command host cp a opt mv pro 5 0 mont
26. addition you will need a video display with an S Video input On the kernel command line you can configure the EVM to select both NTSC vs PAL and the S Video output format see Section 4 3 7 Configuring the Boot Setup for PAL Video Users For example if you want both NTSC and S Video output use the following davinci enc mngr ch0 output SVIDEO davinci enc mngr ch0 mode NTSC If you want both PAL and S Video use the following davinci enc mngr ch0 output SVIDEO davinci enc mngr ch0 mode PAL Additional Procedures A 3 Changing the Video Input Output Methods A 1 3 A 4 Using Component Video Output To switch to highest quality component video output follow these steps 1 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 eo The DVEVM kit does not include a 3 connector cable used for component YPrPb video The cable you use may have red green and blue connectors but you should be aware that the Y Pr and Pb signals used by component video do not correspond to RGB signals In addition you will need a video display with component video inputs On the kernel command line you can configure the EVM to select both NTSC vs PAL and the component video output format see Section 4 3 7 Configuring the Boot Setup for PAL Video Users For example
27. al parameter If you use an optional parameter you specify the information within the brackets Unless the square brackets are in a bold typeface do not enter the brackets themselves The Texas Instruments logo Texas Instruments are registered trademarks of Texas Instruments Trademarks of Texas Instruments include 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 December 18 2008 vi Contents DVEVM QvervieW occ icc eee rom eum ee ee ee ee See ee 1 1 This chapter introduces the DVEVM Digital Video Evaluation Module kit 1 1 Welcome jie saci be be ae MEER RET thie MU XP ER Ehe eats 1 2 1 2 Whats itithis IE 5s 2 beng eeu Ca tun EE Bia dale Ber dees 1 8 1 3 What s on the
28. ase Profile Decoder H 264 Base Profile Encoder MPEG4 Restricted Simple Profile Decoder MPEGA Simple Profile Encoder MPEG2 Decoder AAC Decoder MP3 Decoder G 711 Decoder not a TI codec G 711 Encoder not a TI codec Uuouovovovoceoeo eo 4 12 Setting Up the Build Development Environment These codecs are provided under a for demonstration only license agreement If you wish to use these codecs in a production development environment you can go to the DVEVM Updates web site at http Awww ti com dvevmupdates to download the latest production versions along with the appropriate license agreement 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 Setyour 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 PATH opt mv pro 5 0 montavista pro devkit arm v5t le bin opt mv pro 5 0 montavista pro bin opt mv pro 5 0 montavista common bin PATH If you installed in a location other than opt mv pro 5 0 use your own location in the PATH 3 Remember to use the following command after modifying your bashrc file host source bashrc 4 41 Writing a Sim
29. avista pro devkit arm v5t le target host chown R useracct opt 5 Edit the etc exports file on the host Linux workstation not the exports file on the target filesystem Add the following line for exporting the filesys area substituting your user name for useracct Use the full path from root may not work for exports on all file systems home useracct workdir filesys rw no root squash no all squash sync 4 10 Note Make sure you do not add a space between the and the in the above command 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 av host sbin service nfs restart Note Use exportfs rav to re export all directories Use etc init d nfs status to verify that the NFS status is running Verify that the server firewall is turned off host etc init d iptables status If the firewall is running disable it host etc init d iptables stop Installing the Software 4 3 6 Testing the Shared File System To test your NFS setup follow these steps 1 6 7 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 Open a terminal emulation window to connect to the EVM board via RS 232 using the instructions in Section 2 2 If you have a Windows workstation y
30. b user guide pdf DVEVM Software Setup 4 19 Running The SoC Analyzer 4 10 Running The SoC Analyzer Built upon Texas Instruments eXpressDSP data visualization technology DVT the SoC Analyzer simplifies debugging analysis and optimization of DVEVM applications It collects execution interaction and resource utilization logs from Linux DSP BIOS Codec Engine and drivers and presents system level analysis and graphical visualization such as System execution flow System performance d Q4 Resource utilization d Processor interaction SoC Analyzer File Window Help r DL Mex Hi Solution Sh control Panel 2 O BB AllBI0S Logs 22 CE Logs EMIF Log System Load Codec Times L E Codec Summary 2 20 1918 mm z Action Session 189 5 LogName Time FormattedString Totals Max Average Total Loopback Y 1407145954 Oxeaaa646b 0 57 4154 0x20 h264dec 0 DSP 4606 3514 65 1089545 00 Target IP Address Symbol File ce 1407155963 0xeaaca177 0x57caca51 0x20 h264dec 0 GPP 1645 94471 28719200 1407165956 Oxeaae1b35 0x57cb4173 0x20 h264dec 0 Total 8403 7863 28 2390438 00 158 218 67 205 1 2 11 m wu 1407175956 Oxeaaef595 Ox57cbabae 0x20 h264enc 1 DSP 7323 6872 48 2130470 00 1407185975 Oxeab09c35 0x57cc2be9 0x20 h264enc 1 GPP 1215 993 13 30191100 x 1407195958 Oxea
31. b2c21b 0x57ccb254 0x20 h264enc 1 Total 5673 4460 86 135610200 1 e J 1407205957 Oxeab3a4db 0x57cd1ca4 0x20 1407215958 Oxeab48558 0x57cd86db 0x20 Canfinuiratinn 1407225971 Oxeab6f893 0x57ce0ba0 0x20 General Setup Advanced gt Linux Process Load Graph EMIF Graph BIOS Task Load Graph Ra System Load Graph 23 O Ez Codec Engine Analysis Graph 23 Codec Times ELI AFAR RAR SAE BFR RASA ADs aS DspCpuload GppCpuLoad GPP Processing DSP Processing 1 40708 10 1 40728 10 Wm e iG System Execution Graph EventName RMS dynamic TSK 2 8 h264enc 1 h264dec 0 ggServer 5 process 0 idle N A mapProcThread encodedecode forked 1192 encodedecode events 2 encodedecode forked 1191 T TT 1 400273x10 1 400423x10 Time usec bf 254 Install the SoC Analyzer as described in Section 4 3 4 4 20 Documentation for DSP Side Development To run the SoC Analyzer double click the SoC Analyzer icon on the Windows Desktop or select it from the Windows Start menu under Texas Instruments The SoC Analyzer comes with online help which can be accessed from the SoC Analyzer Help menu choose Help gt Help Contents Select the DM644x SoC Analyzer User Guide Follow the Getting Started chapter of the DM644x SoC Analyzer User Guide which includes steps on how to run the tool with demonstrat
32. d rw ip dhcp root dev hdal mem 120M Note that the setenv bootargs command should be typed on a single line Boot the board EVM boot This configuration boots a new Linux kernel via TFTP with a hard drive based file system To boot via TFTP using an NFS file system see Section A 4 4 For instructions on how to verify that your host workstation is running a TFTP server and for instructions on what to do if it isn t see Section A 3 For more details on booting see Section A 4 DVEVM Software Setup 4 17 Testing the Build Environment 4 8 Testing the Build Environment To test your DVSDK software installation you can build one of the Codec Engine servers This server is a DSP side application Building it tests the installation of DSP side development components To build the video_copy server follow these steps 1 Go to home lt useracct gt dvsdk_ _ codec_engine_ examples and open the build_instructions html file 2 Follow the step by step instructions for building examples When you are editing the xdcpaths mak file note that the DVSDK installation does not include the cetools directory so you will need to set the USE_CETOOLS_IF_EXISTS variable to 0 and modify additional variables to point to the locations of xDAIS DSP BIOS Link CMEM and Framework Components 3 Go to the video_copy server directory nome lt useracct gt dvsdk_ _ codec_engine_ _ examples servers video_copy to inspect the b
33. deo algorithm is H 264 Baseline Profile 264 file extension Table 3 1 IR Remote Buttons for Encode Decode Demo IR Remote Button Mode Action Performed Up Down no action Play or OK Setup Begin demo Record ae 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 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 3 4 Running the Demos from the Command Line 3 6 Running the Standalone Demos 3 3 3 About the Encode Demo Like the Encode Decode demo the Encode demo also encodes video In addition it also encodes speech The speech source is the microphone The encoded data is written to files on the EVM 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 display or speakers other than to show the settings and dynamic data collected about the load and rates Mic Camera D Raw Data Encoded Data Encode Demo GPP Linux Note that you can use only a speech encoder not an audio encoder T
34. e EVM as root Additional Procedures A 15 Restoring and Updating the EVM Hard Disk Drive 65 9 Go to the restore directory EVM cd restore Set the Linux date variable to today s date If the date is too far off the target file system installation generates warnings for each file it installs EVM date MMDDHHMMCCYY For example for 9 00 am on April 18th 2006 enter 041809002006 Add execute permissions on the prep hdd script EVM chmod x prep hdd Run the prep hdd script in the restore directory EVM prep hdd restore The script will ask for confirmation Are you sure you want to partition and format dev hda1 Type yes After the HDD restore is complete shutdown the EVM EVM halt When the Power down message is printed in the terminal window it is safe to power down the EVM 10 Restart the EVM and configure U Boot to root mount via the local HDD Follow the steps in Section A 4 1 Booting from Flash Using the EVM s Hard Drive File System If you instead manually restore the overlay tar gz file from disk 1 on an NFS file system the demos will likely produce a cryptic error Although such manual restores are not documented or recommended you can correct the problem by turning off the s bit as follows EVM cd opt dvsdk dm6446 EVM chmod u s install encode install decode install encodedecode install interface A A V files 4 8 AAC audio 3 9 applicati
35. e same directory that contains Rules make use the following commands to build the DVSDK demo applications and put the resulting binaries on the target file system specified by EXEC DIR host make clean host make host make install 4 16 5 Booting the New Linux Kernel You can test the rebuilt DVEVM software by booting your NFS file system and running the demos from the command line as described in Section 3 4 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 5 Building a New Linux Kernel and the boot file ulmage has been copied to tftpboot or some other site specific TFTP accessible location 1 2 3 Power on the EVM board and abort the automatic boot sequence by pressing a key in the console window Section 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 tftp server ip address gt EVM setenv bootfile uImage EVM setenv bootargs video davincifb vid0 720x576x16 2500K vid1l 720x576x16 2500K 0sd0 720x576x16 2025K davinci enc mngr ch0 output COMPOSITE davinci enc mngr ch0 mode videostd console ttyS0 115200n8 noinitr
36. e upper right D1 720x480 For example the Encode demo allows you to set the video format and the bit rate at which video should be encoded NTSC display 8KHz samp rate Fixed settings are also shown here 4 Mbps Video 4 Use the up and down arrows to move to a setting you want to change 3 4 Running the Standalone Demos 5 Use the left and right arrows to cycle through the options until the setting you want is shown PLAY Press Play to begin the Encode Decode and Decode demos Press Rec record twice to begin the Encode demo 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 kops D1 720x480 Audio bit rate 6l 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 darker than the actual video To hide the information display so that INFO SELECT you can better see the video press the Info Select button on the IR amp remote You can change the transparency of the OSD overlay while running a demo by using the left and right arrows on the remote Show Hide 0SD 9 Press Stop or Pause when you want to end or pause a demo The first time you press Stop you return to the set
37. em support to built in d Return to the main menu and navigate to General Setup Enable Linux Trace Toolkit Support as built in Select Exit to save your changes and exit the configuration screen 7 Compile the kernel using the following command host make ARCH arm CROSS COMPILE arm v5t le uImage 8 If the kernel is configured with any loadable modules that is selecting M for a module in menuconfig use the following commands to rebuild and install these modules host make ARCH arm CROSS COMPILE arm v5t le modules host make ARCH arm CROSS COMPILE arm v5t_le INSTALL MOD PATH home lt useracct gt workdir filesys modules install 9 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 Perform these commands as root or use a chown uImage command to get ownership of the file host cp home useracct workdir lsp ti davinci linux 2 6 18 pro500 arch arm boot uImage tftpboot host chmod a r tftpboot ulmage For more information on setting up a TFTP server see Section A 3 See a standard Linux kernel reference book or online source for more about Linux build configuration options DVEVM Software Setup 4 15 Rebuilding the DVEVM Software for the Target
38. he supported video algorithms are MPEG4 mpeg4 file extension and H 264 264 file extension The supported speech algorithm is G711 g711 extension Table 3 2 IR Remote Buttons for Encode Demo IR Remote Button Mode Action Performed Up Down Setup Change option selection Left Right Setup Change setting of selected option Play Setup Switch to decode demo setup Record twice Setup Run Begin encode demo send unencoded or OK data to display Running the Demonstration Software 3 7 Running the Standalone Demos Table 3 2 IR Remote Buttons for Encode Demo Remote Button Mode Action Performed gt gt Info Select Setup Show hide block diagram for demo Info Select Run Toggle information display Left Right Run Change information transparency level There is no display for encode demo behind the information Pause Run Pause demo press Record 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 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 3 4 Running the Demos from the Command Line 3 3 4 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
39. ht or other TI intellectual 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 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 solu tions Products Applications Amplifiers amplifier ti com Audio www ti com audio Data Converters dataconverter ti com Automotive www ti com automo
40. ievm 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 kit 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 Spectrum Digital website http c6000 spectrumdigital com davincievm Q TI Linux Community for DaVinci Processors http inux davincidsp com TI DaVinci Software Updates http www ti com dvevmupdates TI DaVinci Technology Developers Wiki http wiki davincidsp com Codec Engine Application Developer s Guide SPRUE67 Other PDF documents included with the DVEVM kit Section 4 11 lists documentation in the DVSDK software installation COOC O O SoC Analyzer Help menu DVEVM Overview 1 5 2 EVM Hardware Setup This chapter tells you how to set up the EVM hardware Topic Page 21 Setting Up the Hardware 2 2 2 2 Connecting a Console 2 6 2 1 Setting U
41. 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 For further information on running the demos from the command line see the demo documentation that is linked to by the DVSDK release notes Note When you run the demos from the command line make sure the interface process used by the standalone mode demos is not Starting the Standalone Demos running Otherwise you will see error messages raised when device drivers fail to open Once the EVM board has booted the display should show a picture of the remote control You use the IR remote to control the demos The order of the buttons on the actual remote may be different from the picture if your remote looks different find the buttons with the same labels on your remote To use the demos in standalone mode follow these steps 1 2 Check to make sure the batteries are installed in your IR remote 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 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 0020 as the code for older remotes shipped with the kit the code i
42. ion logs shipped with the product This Getting Started chapter also contains the steps you should perform to enable your applications to collect logs for the SoC Analyzer The DVEVM Demo Application has such logging enabled by default The ulmage must be rebuilt to enable logging 4 11 Documentation for DSP Side Development Table 4 1 Component DSP BIOS Code Generation Tools Framework Components Digital Video Test Bench After you have installed the DVSDK software you can begin to create and modify DSP side applications for your DM644x The following table lists places to look for documentation on using each component of the DVSDK Documents in PDF HTML and text format are included in the installations with each product Documentation for DVSDK Components Title Location TMS320C6000 DSP BIOS home useracct dvsdk 3t bios_5 packages ti bios doc API Reference SPRU403 Application Notes www dspvillage com TMS320C6000 Optimizing www dspvillage com C Compiler User s Guide SPRU187 TMS320C6000 Program www dspvillage com mer s Guide SPRU189 Release Notes nome lt useracct gt dvsdk_ _ framework_components_ README txt home useracct dvsdk dvtb docs DVEVM Software Setup 4 21 Documentation for DSP Side Development Table 4 1 Component Codec Engine Title Documentation for DVSDK Components Location Section 4 9 Using the Digi this document tal Video Test Bench
43. llowing these steps 1 2 Connect a serial cable between the serial port on the EVM and the serial port for example COM1 ona PC Run a terminal session such as Minicom on Linux or HyperTerminal on Windows on the workstation and configure it to connect to that serial port with the following characteristics Bits per Second 115200 Data Bits 8 Parity None Stop Bits 1 Flow Control None When you power on the EVM 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 kit Topic Page 3 4 Default Boot 3 2 3 2 Starting the Standalone 3 2 3 3 Running the Standalone Demos 3 4 3 4 Running the Demos from the Command Line 3 9 3 5 Running the Network Demo 3 11 3 1 Default Boot Configuration 3 1 Default Boot Configuration Out of the box the EVM boots from flash and starts the demos automatically after a few seconds when you power up the board It does not require an NFS mount or a TFTP server to run the standard demos Note The default U
44. mpleted make sure to restart the EVM and configure U Boot to root mount via the local HDD The steps for this type of boot are provided in Section A 4 1 Booting from Flash Using the EVM s Hard Drive File System Restoring From Target EVM 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 Setthe 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 4 date MMDDHHMMCCYY For example for 9 00 am on April 18th 2006 enter 041809002006 4 Change directory to mnt restore EVM cd mnt restore 5 Add execute permissions for the script EVM chmod x restore hdd 6 Run the restore script EVM restore hdd Restoring and Updating the EVM Hard Disk Drive 7 The script will ask for confirmation This will destroy all data on dev hda1 are you sure Type yes 19 Tera Term Web 3 1 COM1 File Edit Setup Web Control Window Help MontaVista 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 m vl401 1 Thu Feb 23 08 31 35 PST 2006 arnmv5tejl Gl Linux Welcome to MontaVista R Linux R Professional Edi
45. n 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 1 See Section 2 2 Connecting to a Console Window for instructions regarding communicating with Linux running on the EVM 2 Login to the target as root No password is required Running the Demonstration Software 3 9 Running the Demos from the Command Line 3 10 3 7 Move to the appropriate directory on the target using the following command See Section 4 1 1 for the meanings of command prompts shown in this document Target cd opt dvsdk dm6446 Before running demo applications from the command line the CMEM and accelerator kernel modules must be loaded m Use Ismod to see if they are loaded You should see output similar to the following Target lsmod Module Size Used by dsplinkk 98220 0 cmemk 20072 0 lf they are not loaded use the following commands to load these modules Target loadmodules sh If a standalone demo is running kill that process You can do this by pressing the Power button on the remote from the main menu Or use the following commands Target killall 9 interface To see the command line options for the demos use one of the following commands with the h or help option Target encodedecode h Target encode h Target decode h To stop a demo press Ctrl C at the
46. o provide a user interface to the demo applications Cables Cables used to connect the EVM 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 Information about how to use the software components is provided in Chapter 4 d a d DaVinci Digital Video Evaluation Kit TI DaVinci Demonstration Version of MontaVista Linux Pro v5 0 Target TI DaVinci Demonstration Version of MontaVista Linux Pro v5 0 Tools A N Media Clips Spectrum Digital EVM Tools SoC Analyzer DVEVM Overview 1 3 What s on the Board 1 3 What s on the Board The EVM 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 Compact Flash mame Serial Media DDR DaVinci Video Ports 3 3V Board Supply Voltage 1 8V VO Voltage 1 2V DSP Core Voltage DC5 VIDEO OUT DAC OUT 77 DC4 VIDEO IN S PDIF ENET Drivers PHY 10 100 ENET Diagram provided courtesy of Spectrum Digital Inc DAVINCI EVALUATION MODULE A TEXAS INSTRUMENTS TECHNOLOGY UART Figure 1 1 EVM Hardware Block Diagram For more information about the EVM hardware see the DaVinci EVM website at http c6000 spectrumdigital com davinc
47. o configurable frameworks and are presented via published APIs within popular operating systems such as Linux for rapid software implementation The following software is provided with the DVEVM Standalone demonstration software This is provided on the hard drive on the EVM The hard wired examples encode and decode audio video and speech Another demo shows the board s network capabilities See Section 3 2 and Section 3 5 Disk 1 MontaVista Linux Pro v5 0 System Tools and Target File System The version provided with the DVEVM kit is the demonstration version It contains the following file mvi 5 0 demo sys setuplinux bin This installation file contains the MontaVista Tool development tool chain and the target file system Disk 2 TI DVSDK Software This DVD includes demo applications Codec Engine software example codec servers and DVEVM documentation It contains the following files B this manual in PDF format dvsdk setuplinux 4 bin DVSDK installer mvl 5 0 0 demo Isp setuplinux 3 bin xdctools_setuplinux_ _ _ bin XDCtools installer bios setuplinux 3 amp bin DSP BIOS installer TI C6x CGT v bin Tl Code Generation Tools installer SoCAnalyzer_ 4 exe SoC Analyzer installer data tar gz Contains A V data files for use by the demos restore overlay tar gz Contains demo files in case they are needed for recovery You can generally ignore this file Disk 3 SDI Board S
48. o executable will have some other name You may also need to include data files or other files used by the executable 1 Note The demo application must use relative paths to access files it needs at runtime This because the archive is extracted to another location from which the demo is executed 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 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 5 Putting Demo Applications in the Third Party Menu A 6 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 file lt filename gt tar g
49. on 4 4 9 1 3 arrow buttons 3 4 audio cables 2 3 B battery 1 4 3 3 bin files 4 6 BIOS INSTALL DIR environment variable 4 16 block diagram 1 4 boot configurations A 8 flash with hard drive 8 flash with NFS A 10 NFS 4 11 standard 3 2 TFTP with hard drive 9 TFTP with NFS A 10 boot sequence 8 build environment 4 13 C C64 DSP 1 3 cables 1 3 connecting 2 2 1 3 2 3 clock battery 1 4 Code Search button 3 3 Codec Engine 3 5 3 6 4 4 documentation 4 22 Codegen Tools documentation 4 21 installation location 4 7 COM port 2 6 command line demos 3 9 command prompts 4 3 component video 2 4 composite video A 2 Index console window 2 6 contents of kit 1 3 CPU load 3 5 D data files 4 8 DaVinci technology 1 2 Decode demo 3 4 3 8 command line 3 10 demos 3 2 command line 3 9 digital camera 1 3 Digital Video Test Bench DVTB building 4 18 4 21 documentation 4 18 4 21 directories installation 4 8 disks file contents 4 2 mounting 4 5 display 1 3 2 2 DISPLAY environment variable 4 5 DSP 4 4 DSP BIOS documentation 4 21 installation location 4 7 DSP BIOS Link 4 4 DVD button 3 3 DVEVM 1 2 installing software 4 7 DVEVM software rebuilding 4 16 DVSPB 4 3 E electrostatic precautions 2 2 Encode Decode demo 3 4 3 6 command line 3 10 Encode demo 3 4 3 7 command line 3 10 environment variables Index 1 Index BIOS_INSTALL_DIR 4 16 FC_INST
50. ou can use HyperTerminal If you have a Linux workstation you might use Minicom You may need to turn on line wrap Power on the EVM board and abort the automatic boot sequence by pressing a key in the console window Section 2 2 Set the following environment variables in the console window EVM setenv nfshost lt ip address of nfs host gt EVM setenv rootpath lt directory to mount gt EVM setenv bootargs video davincifb vid0 720x576x16 2500K vid1 720x576x16 2500K o0sd0 720x576x16 2025K davinci enc mngr ch0 output COMPOSITE davinci enc mngr ch0 mode videostd console ttyS0 115200n8 noinitrd rw ip dhcp root dev nfs nfsroot nfshost rootpath nolock mem 120M Note that the setenv bootargs command should be typed on a single line Also note that you should avoid using the numeric keypad to enter numbers as it can sometimes insert extra invisible characters The lt directory to mount gt must match what you specified in Step 5 of Section 4 3 5 For example home useracct workdir filesys Hints You may want to use the printenv command to print a list of your environment variables You can also save these setenv commands in a txt file from which you can paste them in the future Save the environment so that you don t have to retype these commands every time you cycle power on the EVM board EVM saveenv Boot the board using NFS EVM boot You can now log in as root with no password re
51. p the Hardware 2 1 Setting Up the Hardware To set up the hardware provided with the EVM 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 EVM 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 EVM and the LCD display Video Input as shown below See Section A 1 Changing the Video Input Output Methods for information about using S Video or Component video 2 2 Setting Up the Hardware 4 Connect the red and white audio cables to the EVM Audio Output and the LCD display R L Audio Input jacks as shown below 5 Connect the BNC to RCA connector to the coax cable Then connect the coax cable to the video camera and the EVM 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 1 Changing the Video Input Output Methods for information about using S Video o
52. ple Program and Running it on the EVM Make sure you have performed the steps in Section 4 3 5 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 home useracct workdir filesys opt hello 2 host cd home useracct 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 DVEVM Software Setup 4 13 Building a New Linux Kernel 4 5 4 14 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 Building a New Linux Kernel host host host host 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 EVM 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 EVM before attempting to build a new kernel To rebuild the Linux Kernel follow these steps 1 Login
53. quired DVEVM Software Setup 4 11 Installing the Software See Section A 4 Alternate Boot Methods for information about booting with TFTP or NFS and using flash or the EVM s hard drive 4 3 7 Configuring the Boot Setup for PAL Video Users You can configure the EVM 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 For example EVM setenv bootargs video davincifb vid0 720x576x16 2500K vid1 720x576x16 2500K 0sd0 720x576x16 2025K davinci enc mngr ch0 output COMPOSITE console ttyS0 115200n8 noinitrd rw ip dhcp root dev hdal mem 120M EVM setenv bootcmd setenv setboot setenv bootargs bootargs davinci enc mngr ch0 mode 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 See Section A 1 Changing the Video Input Output Methods for information about switching to S Video and Component video 4 3 8 Notes on Using Evaluation Production Codecs As part of the DVSDK installation you received a number of codecs H 264 B
54. r Component video EVM Hardware Setup 2 3 Setting Up the Hardware 7 Connect the microphone to the EVM 8 Connect the power cable to the EVM power jack on the board To be ESD safe do not plug in the other end of the cable yet 9 If you will use the Ethernet connection connect the Ethernet cable to the Ethernet Port on the EVM and to an Ethernet network port Note that the U Boot bootargs must include ip dhcp to enable the network connection 2 4 Setting Up the Hardware 10 If you plan to use the UART port for a console window connect the RS 232 null modem cable to the EVM UART port and a COM port on your host Linux workstation See Section 2 2 Connecting to a Console Window for more about using a console window MN 11 Plug in the LCD display to a power supply 12 Plug in the NTSC PAL video camera to a power supply 13 Connect the power cable to the EVM power jack on the board To be ESD safe plug in the other end of the power cable only after you have connected the power cord to the board 14 Power on the LCD display 15 Power on the EVM board 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 EVM Hardware Setup 2 5 Connecting to a Console Window 2 2 2 6 Connecting to a Console Window You can open a console window that allows you to watch and interrupt EVM boot messages by fo
55. r s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety pro grams 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 2008 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 kit is an evaluation platform that showcases the DM644x architecture and let
56. r you abort the automatic boot sequence EVM setenv bootcmd bootm 0x2050000 setenv bootcmd nboot 80700000 0 a0000 bootm EVM setenv bootargs video davincifb vid0 720x576x16 2500K vid1 720x576x16 2500K o0sd0 720x576x16 2025K davinci enc mngr ch0 output COMPOSITE davinci enc mngr ch0 mode videostd console ttyS0 115200n8 noinitrd rw ip dhcp root dev hdal mem 120M Note If you have flashed a new kernel to the NOR flash at an address other than 0x2050000 modify the bootcmd definition accordingly When you boot look for the following line that confirms the boot mode Booting image at 02050000 A 4 2 Booting via TFTP Using the EVM s Hard Drive 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 bootargs video davincifb vid0 720x576x16 2500K vid1 720x576x16 2500K o0sd0 720x576x16 2025K davinci enc mngr ch0 output COMPOSITE davinci enc mngr ch0 mode videostd console ttyS0 115200n8 noinitrd rw ip dhcp root dev hdal mem 120M EVM setenv serverip tftp server ip address gt EVM setenv bootfile path on tftpserver ulmage 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 uImage Booting image at 80700000 Additional Procedures A 9 Alternate Boot Methods A 4 3 Booting from
57. rget in the opt dvsdk dm6446 web directory Running the Demonstration Software 3 11 3 12 Chapter 4 DVEVM Software Setup This chapter explains how to use the software provided with the DVEVM kit Topic Page 4 4 Software Overview erecti 4 2 4 2 CPreparingitolInstalli 4 5 4 3 Installingithe Software 4 5 4 4 Setting Up the Build Development Environment 4 13 4 5 Building a New Linux 4 14 4 6 Rebuilding the DVEVM Software for the Target 4 16 4 7 Booting the New Linux 4 17 4 8 Testing the Build Environment 4 18 4 9 Using the Digital Video Test Bench DVTB 4 18 4 10 Running The SoC Analyzer 4 20 4 11 Documentation for DSP Side Development 4 21 4 1 Software Overview 4 1 4 2 Software Overview To begin developing applications you need to install the DVEVM development environment This chapter outlines the steps required to load the DVEVM software onto the development host You will need the distribution disks 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 int
58. ro v5 0 Note that separate versions of Linux are used by the target and your host Linux workstation The following Linux host operating system is tested with the DVEVM Red Hat Enterprise Linux v4 Server Edition To install the Linux software follow these steps 1 2 Log in as root on your host Linux workstation This will allow you to successfully run the graphical installer to install MontaVista Linux Execute each of the following bin files where 4 sis the current version number from the temporary location that they were copied in order to extract the installers for the Linux tools Linux kernel and the file system If a bin file does not run make sure these files are executable use chmod x bin Instead of the default installation directory we suggest that you change the installation directory to opt mv_pro_5 0 host mvl 5 0 demo sys setuplinux bin host mvl 5 0 0 demo lsp setuplinux bin After you execute these bin files make sure the following files are located in opt mv pro 5 0 or in the mv pro 5 0 subdirectory of the directory you chose in place of the default mvltools5 O tar gz DaVinciLSP_ tar gz Go to the location where you will unpack the tar files For example host cd opt mv pro 5 0 Unpack the tar files as root by using the following commands host tar zxf mvltools5 0 tar gz host tar zxf DaVinciLSP tar gz This creates
59. s 020 If you accidentally put the remote in TV or some other mode press DVD to return the remote to the correct mode If the remote does not accept the DVD 0020 code do a full reset by removing the batteries pressing the Power button for at least a minute then reinserting the batteries Then program the remote as in Step 3 3 m a ose oe 00086 10A UNL SAL O IVERS Running the Demonstration Software 3 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 diagram to the main menu screen which looks like this Encode Decode DAVINCI TEXAS INSTRUMENTS Encode Decode Scroll Up Third Party Menu 4 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 2 Putting Demo Applications in the Third Party Menu 2 Use the up and down arrows to change which demo is selected Then press OK or Play to move to the selected demo 3 Within ademo you start at the settings screen where you see the controls Encode you can use to run demo at the B2 7 3 752 7 bottom of the screen and the current Wewa R Speech settings in th
60. s that you loaded into the temporary directory 1 Note You can uninstall these components by using the rm rf command on its directory You should ignore the uninstall files created by the installer L 4 3 3 Installing the A V Demo Files Disk 2 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 Go to the DVSDK directory that you set up previously For example host cd home useracct dvsdk d 2 Mount disk 2 and copy the data tar gz file to your DVEVM directory For example host cp mount location data tar gz 3 Extract the A V data files For example host tar xfz data tar gz 4 8 Installing the Software 4 3 4 Installing the SoC Analyzer SoC Analyzer is a graphical tool that runs on a Windows development host and uses data collected from Linux DSP BIOS and Codec Engine to provide system level execution and performance analysis for debugging and profiling DVEVM software execution Follow these instructions to install SoC Analyzer 1 Insert the TI DVSDK software disk into the Windows development host PC 2 Browse to the SoCAnalyzer WinXP folder 3 Double click on the SoCAnalyzer_ 4 exe file to start the installer 4 Follow the installer s prompts to install the software 4 3 5 Exporting a Shared File System for Target Access Although the board s hard drive contains
61. s users evaluate the power and performance of the DM644x as a multimedia engine This guide gives you overview information about the board and the software provided with the board It is intended to be used as an introductory document for the DVEVM Other documents provide more in depth information See the DVEVM release notes 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 d L Uoovoveoo Spectrum Digital website http c6000 spectrumdigital com davincievm TI Linux Community for DaVinci Processors http inux davincidsp com TI DaVinci Software Updates http www ti com dvevmupdates TI DaVinci Technology Developers Wiki http wiki davincidsp com Codec Engine Application Developer s Guide SPRUE67 Other PDF documents included with the DVEVM kit Section 4 11 lists documentation in the DVSDK software installation SoC Analyzer Help menu Notational Conventions Notational Conventions Trademarks This document uses the following conventions 1 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 1 Square brackets and identify an option
62. stricted substances RoHS 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 retund 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 TI 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 Use
63. tc 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 DM6446 RELEASE directory Additional Procedures A 11 Restoring and Updating the EVM Hard Disk Drive A 6 A 6 1 Restoring and Updating the EVM Hard Disk Drive System Setup This section describes how to restore and update all the files on the EVM hard disk drive HDD including the Linux file system and the demos Using these restore procedures you can return your board to a known state if anything happens to the data on the EVM 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 EVM as described in Section 4 3 5 and Section 4 3 6 For further information about upgrading and flashing see the TI DaVinci Technology Developers Wiki at http wiki davincidsp com 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 Note If you have flashed a new kernel to the NOR flash at an address other than 0x2050000 then the flash memory address will be different You should make sure the following system setup steps have been performed before you attempt to restore or update the hard disk
64. tings screen Press Stop from the settings screen to go back to the main menu For information about running the individual demos see Section 3 3 2 through Section 3 3 4 The demos use the Codec Engine to allow applications to run algorithms You may notice that the DSP CPU load is initially high even if the DSP is not running algorithms The CPU load starts at 10096 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 3 3 4 Shutting Down the Demos You can quit out of the demos completely while at the main menu screen by pressing Power on the remote To restart the demos you can reboot the board or run the demos from the command line as described in Section 3 4 Running the Demonstration Software 3 5 Running the Standalone Demos 3 3 2 About the Encode Decode Demo The Encode Decode demo allows you to record and playback video Video comes from the camera is encoded then decoded and then sent to the LDC display Camera Display Raw Data Encoded Data Encode Decode Demo Codec Engine Video Encoder Video Decoder PX GPP Linux TET The Encode Decode does only video processing it does not encode and decode audio or speech The supported vi
65. tion 4 0 0501140 root 0192 168 1 101 2 mkdir nnt restore root9192 168 1 101 2 mount t ext3 dev hda2 mnt restore kjournald starting Commit interval 5 seconds rooEXT3 FS on hda2 internal journal EXT3 fs mounted filesystem with ordered data mode t09192 168 1 101 date 041809002006 Tue Apr 18 09 00 00 UTC 2006 root 6192 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 M 8 After the HDD restore is complete shutdown the EVM EVM halt 9 When the Power down message is printed in the terminal window it is safe to power down the EVM 10 Restart the EVM and configure U Boot to root mount via the local HDD Follow the steps in Section A 4 1 Booting from Flash Using the EVM s Hard Drive File System A 6 5 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 EVM Follow these steps to restore the HDD from the host Linux workstation restore directory 1 On your host workstation copy the restore directory from the TI DVSDK disk to home lt useracct gt workdir filesys restore After NFS mounting this file system this will appear as the restore directory on the EVM 2 Login to th
66. tive DSP dsp ti com Broadband 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 www ti com Ipw 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 2008 Texas Instruments Incorporated EVALUATION BOARD KIT 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 typically 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 regarding electromagnetic compatibility re
67. uilding DVEVM software 4 16 Linux kernel 4 14 Record button 3 5 Red Hat Enterprise Linux 4 6 remote control 1 3 3 3 resetting code 3 3 restore HDD A 12 Rules make file 4 16 running applications 3 4 S s bit A 16 serial cable 2 6 serial connection 2 5 SoC Analyzer 4 2 4 9 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 5 S Video A 2 input 2 output A 3 Index I target prompt 4 3 terminal session 2 6 test program 4 13 TFTP boot configuration A 9 A 10 server 7 transfer files to board 4 17 Third Party Menu 3 4 A 5 53200 6446 1 3 transparency of OSD 3 5 U U Boot utility 4 14 ulmage boot file 4 17 V video cable 2 2 video camera 1 3 2 3 power 2 3 video formats 2 videostd environment variable 4 12 VISA APIs 4 4 xDAIS 4 4 INSTALL DIR environment variable 4 16 xDM 4 4 Y YPrPb 4 Index 3 Index 4 Spectrum Digital Inc 508168 0001C
68. uilt server 4 9 Using the Digital Video Test Bench DVTB 4 18 The Digital Video Test Bench DVTB is a Linux utility that was developed to execute end to end data flows using the DVSDK for any platform DVTB uses the Codec Engine VISA APIs and Linux driver peripheral APIs to encode and decode video image audio and speech streams Using DVTB you can configure codecs and or peripherals before starting a data flow This enables you to try different use case scenarios and evaluate the system The DVSDK installation places DVTB in the nome lt useracct gt dvsdk_ _ dvto_ directory where _ is the DVTB version number To install DVTB to the target file system perform the following steps on the host machine where the DVSDK has been installed 1 Make sure the Rules make file defines PLATFORM correctly as described in Section 4 6 2 Perform the following commands host cd home useracct dvsdk dvtb host make clean CONFIGPKG dm6446 host make CONFIGPKG dm6446 Using the Digital Video Test Bench DVTB 3 Copy the binaries dvtb d and dvtb r to opt dvsdk dm6446 on the device s target filesystem and run it there It must be in the same directory as the DSP executables For further details on the DVTB see the following documents 2 Release Notes home lt useracct gt dvsdk_ dvtb_ 4 s docs dvtb release notes pdf J User Guide home lt useracct gt dvsdk_ _ dvtb_ 4 4 docs dvt
69. upport Software This disk contains ARM based test code CCStudio GEL files and other EVM support software Software Overview Texas Instruments in agreement with MontaVista Software Inc is providing a demonstration version of the Linux Professional Edition v5 0 embedded operating system and development tools The base DVEVM kit includes 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 are 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 DaVinci Software Production Bundle DVSPB 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 host Indicates command to be typed into the shell window of the host Linux workstation 2 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
70. z Put your archive in the thirdpartydemos subdirectory of the target installation directory This is where the DVSDK software was installed on the target file system The default target installation directory is opt dvsdk dm6446 so the default location for demo archives is opt dvsdk dm6446 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 3 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 itis 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 tftp server 2 To install TFTP use this command where is the version number portion of the filename host rpm ivh tftp server rpm You should see the following output warning tftp server rpm V3 DSA signature NOKEY key ID 4f2a6fd2 Preparing dHHHHHHHHHBHBHBHHHHHBBHHHHHHHBRHHHHEE 1003 l tftp server IHHHBHHBBHHBBHHHBHHBHHBBHEHBBHBEHHEHBHE 100 3 Confirm that TFTP is installed with this command host sbin chkconfig list grep tftp If you want to turn on the TFTP server use this command sbin chkconfig tftp on The default root location for servicing TFTP files is

Texas Instruments TMS320DM6446 DVEVM v2.0 Calculator User Manual

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