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F28x
Related Posts

  • Forum Post: Re: Low cost download cable

    Raffaele Tegas
    Hi, yes, it's similar and you have the opportunity to debug your app. If you only need to program the devices are supported by C2000prog ( http://www.code-skin.com/c2oooProg.html ) you just need a very simple programmer composed by a serial cable and one MAX3232. The advantage in this way is...
    on Sep 19, 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: Not enough memory

    HTrudel
    I was thinking of doing just that. Could you please indicate where I should start my reading to learn how to do this? I am currently reading an example of how to execute code from external RAM (Example_2823xCodeRunFromXintf.c) and I understand that code is first loaded in SARAM and then copied to...
    on Oct 7, 2008

  • Forum Post: Re: I2C

    Tim Love
    The only documentation regarding the I2C is the reference guide at the following link: http://focus.ti.com/general/docs/techdocsabstract.tsp?abstractName=spru721a Besides this you can perform a Google search for I2C and find several tutorials for the peripheral. One good link for learning about I2C...
    on Oct 22, 2008

  • Forum Post: TMS320F28335 ePWM outputs channels

    dino80
    Hello, I don's see in Data Sheet from TMS320F28335 the specifications for all 18 PWM outputs, it's only for 16 PWM outputs (TMS320F28332). Anyone know for what are used another 2 PWM outputs???. What is the PWM difference between TMS320F28335 and TMS320F28332??? Thx, Dino
    on Oct 30, 2008

  • Forum Post: Re: How to avoid "warning: entry point other than _c_int00 specified"?

    Tim Love
    The boot mode that is selected also plays a factor here when debugging through CCS. Whenever you select Debug -> Reset CPU, execution will start in RAM or flash depending on your boot mode. This may be the reason you never encountered this on the F281x. Regards, Tim Love
    on Dec 12, 2008

  • Forum Post: Re: dsp/bios and headers

    Tim Love
    Gaston, What error messages are you receiving? The examples from SPRA958H correctly use DSP/BIOS in the application. Can you compile these examples without any issue? 1) I opened the example project and both the .cmd and xxcfg.h was included. I opened the F28335 Flash BIOS example. 2) The std.h...
    on Dec 12, 2008

  • Forum Post: Re: IQmath unresolved symbols

    Tim Love
    ThomasZ, I just tested these two function calls with with v 1.5 of the library. I did not receive an error. I opened the sample project and just added the following two lines: Step.X = _IQ16rsmpy(Step.Xsize, Step.Ysize); Step.Y = _IQ16toF(Step.Xsize); The code compiled and linked without any issue...
    on Dec 12, 2008

  • Forum Post: Re: help! TMS320F28335: question about the ePWM configuration for three phase full bridge IGBTs drive

    Tim Love
    yqmeng, You are using two different times and they give seperate counts. It is possible that you have one configured with a prescaler and is not running at the same frequency. Can you check this? Regards, Tim Love
    on Dec 17, 2008

  • Forum Post: Re: Console Application

    Tim Love
    VisualCue, You are correct that the printf is connected to the Stdout of CCS. You can add a device for C I/O using the device level functions CLOSE, OPEN, READ, etc. This process is described in section 8.3 of the TMS320C28x Optimizing C/C++ Compiler User's Guide (SPRU514C): http://focus.ti.com...
    on Jan 7, 2009

  • Forum Post: Re: source code for v/hz control

    Tim Love
    Billstrong, This code was written over 10 years ago using the F240 device. The F240 device is now NRND and the code from this would not have been converted to C. You can download all C code we have available for motor control from the following link: http://focus.ti.com/mcu/docs/mcuorphan.tsp...
    on Jan 7, 2009

  • Forum Post: Re: open IQmath.Lib

    Tim Love
    Billstrong, The IQMath.lib is just the library file the source code, project, etc is not included in the download. The source code can be sent to you after signing an NDA with TI’s legal department. You can contact the Product Information Center to go through this process: http://www-k.ext...
    on Jan 8, 2009

  • Forum Post: Re: "Undefined symbol" Error message.

    BrandonAzbell
    It appears that you need to include the Run-Time Support library to your project. Have you done this already? The RTS library should be in your code generation tools ./lib directory.
    on Jan 30, 2009

  • Forum Post: Re: "Undefined symbol" Error message.

    Hatus
    Hi Brandon, That's it. I included it and worked well. Thank you! Regards, Hatus
    on Jan 30, 2009

  • Forum Post: "Undefined symbol" Error message.

    Hatus
    Hello everyone, I'm beginning a new project with the F2808 DSP. I followed the recommended steps (C280x/C2801x C/C++ Header Files an Peripheral Examples Quick Start, pages 20-25) to start a project with the structure of registers (v 1.60) alredy done. But when I included the file "DSP280x_CpuTimers...
    on Jan 30, 2009

  • Forum Post: RS-232!

    Gaston_Melo_Arg
    Hi, i have a ezdsp 28335 and i want to use the rs 232 port but i want to isolate that port, what i have to use? i don`t want to use optocoupler. Thanks. Gaston
    on Jan 22, 2009

  • Forum Post: Re: RS-232!

    BrandonAzbell
    You could utilize one of the Isolator family of devices. You can hone in on the device that would work for you by using the Parametric Table search . Perhaps the ISO7221A would work.
    on Jan 31, 2009

  • Forum Post: Re: ADC accuracy of different 28x DSPs?

    Tim Love
    Stephan, You can achieve pretty good accuracy with the ADCs on the F28xx devices by using appropriate layout recommendations and also using calibration. The F280xx, F2833x, and F2802x ADCs also contain Offset Trim registers to reduce the inherent offset. You can read more about the offset trim in...
    on Feb 12, 2009

  • Forum Post: Piccolo F2803x CLA FAQ

    Charlie3036
    Q: What is the Control Law Accelerator (CLA) on the F2803x? A: F2803x’s revolutionary Control Law Accelerator(CLA) is an independent, 32-bit floating-point math accelerator that runs in parallel with the C28x core. The CLA can perform low level control loops (32-bit accurate) with...
    on Apr 30, 2009

  • Forum Post: New to DSP BIOS - F2808 "bigtime" example won't run. Question about linker cmd SRAM allocation.

    OneHotEngineer
    I'm trying to run the "bigtime" basic example on a F2808 out of RAM. Can this even be done or do I have to run this example out of Flash? I'm using the F2812 bigtime example and modified the linker command file H0SARAM location to fit the F2808. But what's puzzling to me is what...
    on May 1, 2009

  • Forum Post: Re: New to DSP BIOS - F2808 "bigtime" example won't run. Question about linker cmd SRAM allocation.

    BrandonAzbell
    OneHotEngineer I'm trying to run the "bigtime" basic example on a F2808 out of RAM. Can this even be done or do I have to run this example out of Flash? This should be possible. After compiling the bigtime example targeting the original F2812, I inspected the map file generated to...
    on May 2, 2009

  • Forum Post: Re: __rpt_subcu ASM function CCS ?? could someone explain?

    BrandonAzbell
    The better document to reference for details on the Instruction Set is the TMS320C28x DSP CPU and Instruction Set Reference Guide ( SPRU430 ) on page 6-345. Also look at Section E.3.3 for the SUBCU instruction on the C28x, which the F2808 is based.
    on May 28, 2009

  • Forum Post: Re: TMS320F28335 Interrupt Mapping

    BrandonAzbell
    Have you taken a look at the TMS320F28335 C/C++ Header Files and Peripheral Examples ( SPRC530 )? These provide decent examples to start with in structuring your interrupt service routines and setting up the PIE. There is documentation on how to incorportate these header files and examples into your...
    on May 28, 2009

  • Forum Post: __rpt_subcu ASM function CCS ?? could someone explain?

    Tjarco Boerkoel
    Hi! I'm currently working with a DSP PFC_System example for the 2808 dsp. The service routine in the example, which controls the PWM, is written as a macro in assembly [^o)]. I had to convert this assembly macro to C-language which is easier to understand. In the macro there is a instruction...
    on May 28, 2009

  • Forum Post: TMS320F28335 Interrupt Mapping

    BMJoshi
    Hi, I am trying to write an assembly language code where a timer interrupt is to be used and the task is performed repeatedly in the ISR. Can I get a simple assembly language code for the memory map file and the vector mapping for the interrupt? Right now I am all confused about PIE and all.. ...
    on May 22, 2009
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