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28335
Related Posts

  • Forum Post: 28335 Power so hot???

    lei wang13411
    [:(]I use 28335 to design a Learning circuit board ,but now the ASM1117-1.8, which power the 28335's VDD，will become very hot as soon as 28335 runs free. please give me some advice !! tks!!!!!
    on Jul 19, 2009

  • Forum Post: Re: Operating several slave devices through single SPI

    Alexander Smirnov
    Hello, From my experience of using FIFO it shows the current level of messages in it. Moreover the trick as I understood is that when you are inserting 3 messages in a row for example, the DSP shows that there are 2 in FIFO as one is already in the process of transmitting. So in my case with 2 devices...
    on Jul 22, 2009

  • Forum Post: Re: Linker issue with FFT libraries downloaded from SPRC081 on 28335

    Timur Gilfanov
    For F28335 you should use large memory model (-ml in compilier options) and may be unified memory model (I don't remember exectly). See library docs for what compilier option is used for building this library and compare with options in your project.
    on Jul 25, 2009

  • Forum Post: 28335 motor control library based on 2812 and 2808 code

    EBrowning
    Hello, I am working on a project that consists of porting motor control code designed for the 2812 DSC to use in the F28335 DSC. I have been working with sample code from the 2808/2809 family in order to adapt the EV modules into ePWM code, but I'm getting somewhat lost during the conversion process...
    on Jul 27, 2009

  • Forum Post: Compiler options (5.2.2)

    Davor
    I noticed that there are new (build) options, for instance Advanced (2) but I cannot find any documentation regarding this (spru514c is terribly dated). Does such documentation exist?
    on Aug 18, 2009

  • Forum Post: Re: About the CMD file!

    BrandonAzbell
    The format of the linker command file can be found in the TMS320C28x Assembly Language Tools User's Guide ( SPRU513 ). This can be found on the TMS320F28335 Product Folder in the Users Guide section.
    on Aug 20, 2009

  • Forum Post: About the CMD file!

    xiong4274
    Hi, I don't understand the CMD file clearly. Is there any document describes it? The target chip is TMS320F28335! Thanks in advance!
    on Aug 20, 2009

  • Forum Post: F28335 interface with Compact Flash

    Erik15092
    Hi, I'm looking for a way to interface my F28335 with CF - does anybody have any experience or knowledge of info that I have obviously not found!? Cheers, Erik
    on Sep 16, 2009

  • Forum Post: Re: Is there an optimized C2000 floating point filter library?

    Markus Hofinger
    Hi Charlie, Thanks for your quick reply! I'm new to C2000 series and I therefore don't know exactly about all the possibilities of the CPU and FPU, but as far as I know the CPU and FPU should be capable of DSP improvements, like circular buffering or direct multiply and accumulate instructions...
    on Sep 17, 2009

  • Forum Post: Is there an optimized C2000 floating point filter library?

    Markus Hofinger
    Hi I'm currently developing a baseboard for the TMS320 F28335 control card, that uses 16bit ADC, and DAC controllers. I'm using a oversampling technique to get the analog filter design manageable, and I therefore need a down and a upsampling filter in the DSC. I know that there is a elder optimized...
    on Sep 16, 2009

  • Forum Post: Issue with CSM_PWL section defintion for csmpasswds

    Scott Collyer
    I'm working with the F28335 and have a project that's running successfully from RAM using CCSv3.3. I'm trying to learn how to build my project for flash and am using the example project provided by TI called Example_28335_Flash.pjt However, this example project does not link due to what I...
    on Sep 30, 2009

  • Forum Post: RAM allocation in the 320F28335

    gideon prior
    Hello all, I am having a terrible time getting my code to link properly. I have a project that compiles and links, and I recently added a new source file to it. I am now getting an error saying "cant allocate .text ..." . One thing I dont understand is that after I tried commenting out all...
    on Oct 1, 2009

  • Forum Post: 28335 Control Card - Test with different crystal (24MHz instead of 20MHz)

    Markus Hofinger
    Hi all! I'm currently building a basebord for the 28335 Control Card. I'm accessing an ADC, and a DAC throug the McBSP in SPI mode. As I need to get an exact 6kHz cyclic frequency, I need to change the crystal, because the 6kHz can't be realised with the 20MHz crystal. As even a 30MHz crystal...
    on Sep 10, 2009

  • Forum Post: Re: 28335 Control Card - Test with different crystal (24MHz instead of 20MHz)

    Markus Hofinger
    Just in order to make this post complete: Changing the crystal worked in my case, and I`ve found another reference on the TI E2E community about changing the crystal on the control card of the 28335, for those of you who are also in need of changing it. http://e2e.ti.com/forums/p/5893/22174.aspx
    on Nov 15, 2009

  • Forum Post: Delfino Simulator Support

    Marcelo
    Hello! I'm new on TI's microcontrollers and I have some problems in using Delfino simulator. Currently I have installed CCS v3.3.82.10, Code Generation Tools v5.2.3, and F283xx Simulator Patch release (http://tiexpressdsp.com/images/9/93/F283xx.zip). To perform the test I use TMS320F28335 controlCARD...
    on Nov 13, 2009

  • Forum Post: Re: Error connecting to the target on PICCOLO controlSTICK

    sskoog
    I experienced some similar problems with my Delfino (320F28335) controlStick. After re-installing old (3.3) CCS and almost going crazy for not being able to access none of my Defino through neither XDS100 or Blackhawk USB2000 with CCS4, I finally figured out that it's just a setting in CCS4 (v...
    on Nov 24, 2009

  • Forum Post: ECAN controller: implementing an Rx FIFO

    delsen
    Folks, I originally inquired on this to the fine folks at TI who, as is so appallingly typical, immediately shrugged their shoulders and suggested that I come here and spend y'alls' time and effort instead.... So, without further ado, below is the bulk of my inquiry email to them; any takers...
    on Nov 19, 2009

  • Forum Post: 28335 ADC to DMA latency

    Jon Young
    Does anyone have any idea on the latency times between the ADC Start of Conversion and the start of the DMA transfer? On a 28335, running at 150 MHz, I am running the ADC clock at 12.5 MHz, in cascaded mode with all 16 channels being converted. I am trying to determine the efficiency of the DMA...
    on Dec 16, 2009

  • Forum Post: How big is reasonable for idle task stack

    Tim xu
    Dear master, I recently worked in a customized F28335 board, after porting the program, it sometimes running into infinite self loop, by checking DSP/BIOS kernel objects I found idle task stack is full, which surprised to me. Then I want ask why this occurs, and are there any guideline to set the...
    on Jan 5, 2010

  • Forum Post: IQMath to Float compile error

    Tim11828
    Hi, I'm getting a compile error with the following line of code when changing from IQMath to floating point (done in switch in IQMathLib.h): clarke1.As=_IQ15toIQ((AdcRegs.ADCRESULT0>>1)-_IQ15(0.55))<<1; "2xPM_Motors.c", line 656: error: expression must have integral...
    on Jan 8, 2010

  • Forum Post: Filter library for 28335

    Mona Gandhi
    Hi, I need to use FIR filter for TMS320F28335. As TI does not provide ready to use filter library, I want to know if anybody has worked on porting it to 28335?
    on Feb 2, 2010

  • Forum Post: AD sample hold behaviour in F28335

    Tim xu
    When the ADC configured as cascaded and simultaneous mode, how the ADC sample and hold all the 16 channels? Does it sample and hold all 16 channels data simultaneously or does it sample and hold two channels in sequence?
    on Feb 11, 2010

  • Forum Post: Ecan problem

    xwei yu
    Hi, the board I used is TMS320F28335 Experimenter Kit and I tried to use Ecan module. I want to send a message from CANTXA and receive it by CANRXA I already connected theGPIO31 (CANTXA) to GPIO30 (CANRXA) , configured the GPIOs, enable Ecan clock in DSP2833x_Ecan.c In my main program, Ecana...
    on Mar 2, 2010

  • Forum Post: Code Composer v4, using TMS F28335 and TI source code

    Christopher Stephens
    I am working on a project that involves using an SD card, but am having trouble getting code to compile correctly. I am using code from the spraa07 and related documentation, which I found here. I've finally gotten it down to just a few errors, namely this line: Uint16 READ_OCR, SECTOR_ZERO, SEND_CID...
    on Mar 11, 2010

  • Forum Post: Re: Too many results from ADC conversions.

    Alborz Sedaghat
    Hi Matthew and thanks for the reply. I am generating the interrupts via PWM and the conversions is needed right after each PWM updates. Therefore I can not use the CONT_RUN. What I don´t understand is why SEQ1 to SEQ7 are all being converted. I have specified only one conversion by using...
    on Mar 19, 2010
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