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Flash
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  • Forum Post: What are the CPU speed to execute code in flash for the F280x devices before the device is initialized?

    Yanming35051
    Champs, Refer to datasheet and user guide of C28x, the flash pipeline mode is not active, flash paged/random read wait states need 15 wait states and a total of 16 sysclock cycles per access the flash code/data after device reset or power up. There are serveral question on these. 1. What are the...
    on Jun 19, 2008

  • Forum Post: F28235 ADC DELAY_US

    Magnus Wohlfart
    Champs, I have a customer whose program is only running normally, when he doesn't use the "DELAY_US" function in the "DSP2833x_Adc.c" He would like to use the "DELAY_US" function to wait for e.g. 20us. When running and debugging from RAM there is no problem...
    on Aug 18, 2008

  • Forum Post: Writing to F2808's flash in real-time

    Adam Vasicek
    Hi, I would like to save a few words of user settings in the internal flash of TMS320F2808 DSC. Also the program itself is running mainly from the internal flash as there is no external memory of any kind connected. Are there any other ways of achieving this apart from using Flash API Library ? (Which...
    on Aug 25, 2008

  • Forum Post: Re: SPRAAU8 Copying Compiler Sections From Flash to RAM...

    Davor
    The flash programmer "knows" that there are initialized sections placed in RAM but cannot "know" if your code is making sure that these sections are initialized - hence a warning. Does you application run from flash, after you reset the CPU?
    on Sep 21, 2008

  • Forum Post: Re: sdgoF28xx.dvr

    Magnus Wohlfart
    The sdgo28x.dvr is part of the emulation driver releases of Spectrum Digital, the latest one (for CCSv3.3) can be downloaded here: http://support.spectrumdigital.com/ccs33/Release-30327/setupCCSPlatinum_v30327A.ZIP Rgds, Magnus
    on Sep 30, 2008

  • Forum Post: Re: DSP\Bios example

    Lori Heustess
    This application note may help - it has examples for DSP/BIOS that run from both SARAM as well as flash: Running an Application from Internal Flash Memory on the TMS320F28xx DSP http://focus.ti.com/general/docs/techdocsabstract.tsp?abstractName=spra958h
    on Oct 3, 2008

  • Forum Post: Re: Not enough memory

    HTrudel
    johannes Sorry, I've never seen that error message. For the #pragma, please read spru514c.pdf, Section 6.9.2. It seems there may be a problem with my eZdsp f28335 board. I used Code Composer Studio to fill address 0x200000 with zeros. WhenI read back the memory, it was filled with 8s. I manually...
    on Oct 7, 2008

  • Forum Post: Re: TMS320F2812 CKFA software help...URGENT

    Tim Love
    Tranz, The software appears to work with the PC to 28x connection just not with the micro. You should go about this by a debug approach to establish 28x to 28x communication before going to the non-28x support. The app-report details the procedure required for 28x to 28x communication. Regards...
    on Oct 14, 2008

  • Forum Post: How to structure a project for both debugging using emulator and programming to flash

    HTrudel
    Hi, I have reached a point in my project where a version running from flash is required. I know I have to modify the linker command file to load the program to flash memory, to modify code to load sections of code requiring faster execution to internal ram, etc. What I would like to do is keep the...
    on Oct 23, 2008

  • Forum Post: Re: Flash API error #-1

    HTrudel
    I disabled the option Perform Go Main automatically in the Customize options of CCS and now it seems to works (at least I can do the frequency test succesfully). Hope this can help somebody else...
    on Oct 24, 2008

  • Forum Post: Re: TMS320F28335 DSP fall to secure mode

    Pradeep Shinde
    Trying ‘Depletion Recovery’ (button in the Operation window) will help if the flash is in over-erase condition. Probably, the flash is permanently locked. That is all CSM locations are now 0x0000. This can happen if the erase operation is terminated (reset or power-down) before completion...
    on Nov 11, 2008

  • Forum Post: F2811 blown (physically damaged during Flash Programming)

    Magnus Wohlfart
    Hi Guys, I have a customer who is permanently damaging (blowing) the F2811 DSP when attempting to program the FLASH the JTAG. So far he has damaged 6 parts on different PCBs. He tried using a different emulator and also a different PC but the problem still occurs. If he manages to succesfully progam...
    on Nov 20, 2008

  • Forum Post: Re: ADC examples

    Tim Love
    Gaston, All of the examples included in the Header Files package are configured for boot to RAM option (with the exception of the flash example). This allows for quick and efficient evaluation for each peripheral. The flash example can be used as a template to convert the rest of the projects. There...
    on Dec 17, 2008

  • Forum Post: Re: TMS320F28335 Falsh API

    Pradeep Shinde
    You get this error while programming the flash, correct? The F28335 flash API file (FlashAPIInterface28335V1_01.out) is installed in the following folder (if you have allowed the default installation); C:\CCStudio_v3.3\plugins\Flash28xx\Algorithms\28335 When you run the CCS's On-Chip Flash...
    on Jan 1, 2009

  • Forum Post: Correct Flash programming API for Piccolo

    rperezti
    Champs, Happy New Year! One of our 3rd parties is looking for the Flash programming API files for Piccolo and they pointed out that the link below leads to a revision of the 'F280xx API files from July 2006. They're concerned that this might not be the best version to use with Piccolo. Can...
    on Jan 7, 2009

  • Forum Post: Re: warning! no valid program is currently loaded into memory. Do you still want to run?

    mf azim
    Dear Tim Love, Thanks for the information. I got another question. How to flash a program that is stored inside memory and not on chip flash which means that it save the program in the MCU and the next time i debug/run the eZdsp it will automatically run the function/program that i have downloaded...
    on Feb 18, 2009

  • Forum Post: Re: warning! no valid program is currently loaded into memory. Do you still want to run?

    mf azim
    Hello, Sorry if the question is not clear. Let me clarify what actually the question in my mind. 1) I use to run the example which project is configured for "boot to SARAM". Example of it is timed_led_blink program from sprc530, what i can see is that the cmd used is 28335_RAM_lnk.cmd. What...
    on Feb 20, 2009

  • Forum Post: Re: TMS320f28335 Data bus

    Pankaj
    Thank you. it worked for different zones. now i am able to read and write to zones. But i am also using SCI-A for debugging and the problem is multiplexed pins. TXDA / XA-19 TXDA / XRNW. well, thats not an issue. It would be better if there are dedicated pins for add and data lines like that...
    on Apr 7, 2009

  • Forum Post: Re: TMS320f28335 Data bus

    BrandonAzbell
    Pankaj Also there's a problem regarding small size of ram. I get an error message " can't allocate .text to raml0."not enough memory problem. .text : >> RAML0|RAML1|RAML2 , PAGE = 0 i tried this but it didnt work. Even though you are specifying to the linker to use either...
    on Apr 13, 2009

  • Forum Post: Re: Flash Memory Dump to File

    BrandonAzbell
    pbk Is there a fast way to dump the controller Flash memory to a file? Although not the most convenient format, you can save the contents of any memory location or memory window with the File->Data->Save... option. You can specify a starting address, length and filename.
    on Apr 15, 2009

  • Forum Post: Re: TMS320f2812 Flash API V 210

    Lori Heustess
    Sounds like you are trying to change a bit from a '0' to a '1' with the program function. The erase operation will change all bits in the sector to a '1'. Program can then only change bits from a '1' to a '0'. You cannot change a bit from a 0 back to a 1 with the...
    on Apr 24, 2009

  • Forum Post: Difficulty reconnecting after locking F28335

    Steve Anderson11134
    I have CCS 3.3 and am using the C2000 series Spectrum Digital XDS510LCUSB for a TMS320F28335ZHAA design. I can compile, flash and verify the software runs correctly on our board, from flash but when I use the F28xx On-Chip Flash Programmer tool in CCS and enter the hexadecimal key and lock the processor...
    on May 1, 2009

  • Forum Post: Re: In-application flash programming (piccolo)

    Tim Love
    GDS, The flash technology of the F28xx devices do not allow you to run from one sector while you are programming another. The flashing algorithms must be ran from RAM. This is discussed in the Flash Programming Solutions App Note at the following link: http://focus.ti.com/general/docs/techdocsabstract...
    on May 14, 2009

  • Forum Post: CSM lockout on eZdsp F28335

    Jeremy Skippen
    After developing some code in CCS and running it in RAM I was interested in running it from flash. I managed to compile, link and load the program easily enough, but I started getting wierd behaviour after calling the following routine: #pragma CODE_SECTION(InitFlash, "ramfuncs") void InitFlash...
    on May 29, 2009

  • Forum Post: Re: Locked Flash

    Lori Heustess
    If the code security module is locked, then only secure memory can access secure memory. This means that if the flash API is running from secure RAM it can modify the flash. So the question is how to get it into secure RAM. One way is to have a loader in the OTP (which is also secure). You could call...
    on Jul 1, 2009
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