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28335 Ecan
Related Posts

  • Forum Post: EACN transceivers used in 28335

    xwei yu
    Hi, I want to use Ecan communication between two 28335. But I am not sure about which transceivers I should used. Does SN65HVD230, SN65HVD231 or SN65HVD232 can be used ? thanks!
    on Jul 30, 2010

  • Forum Post: eCan retransmit on loss of arbitration

    Mark Fiedler
    According to the datasheet for F2833x, the eCan module will do the following: "If a transmission fails due to a loss of arbitration or an error, the message transmission will be reattempted." However, there is no mention of either the timing of the retries or the number of retries. So...
    on Sep 16, 2010

  • Forum Post: SM320F28335-HT - Availability

    Krishna Allam55778
    Hello Champs! We would like to evaluate the feasibility of using the SM320F28335-HT device in one of our upcoming designs. I see that this product is on the roadmap but not yet available in Hi-Rel. Can someone please shed some light on availability. I would like to know availability of the entire...
    on Sep 15, 2010

  • Forum Post: Transmit Acknowledge problem

    Ted Lee57324
    Hi there, I'm trying to implement CAN interface software module for TMS320F28335. And I ran into problem. Even if my modle works well in Self Test Mode, it doesn't work in normal operation mode. In detail, even if TRS bit is set, I can't acquire appropriate TA bit. In this...
    on Nov 12, 2010

  • Forum Post: Determining when it is safe to write the a transmit mailbox in the eCAN module

    Maxpower
    The CANTA register indicates when a message was sent but it doesn't indicate that a mailbox is ready after power up. The demo code does this: do { ECanaShadow.CANTA.all = ECanaRegs.CANTA.all; } while(ECanaShadow.CANTA.bit.TA25 == 0 ); // Wait for TA5 bit to be set.. This...
    on Jan 5, 2011

  • Forum Post: how to configure ecan to communicate between two dsp(tms320f28035)

    shuyoe chen
    (Please visit the site to view this file) (Please visit the site to view this file) (Please visit the site to view this file) (Please visit the site to view this file) i have compose four files for initial and main in both side. then i used 2 computer and 2 ICE( development board) connecting...
    on Jan 28, 2011

  • Forum Post: PLC type communications over twisted pair

    Clay Shoup
    I would like to use exisiting twisted pair lines (non-cat5) in a building to communicate using the Home Plug protocol. Is this possible and what kind of data rates could I expect? Is there application information from TI on this or similar subject? Clay
    on Mar 8, 2011

  • Forum Post: External loopback in eCAN module of F28335

    Amit Karande
    Hello to all, I am working on the eCAN module of the TMS320F28335 microcontroller. It has an internal loopback option (self test mode) which works perfectly. But I would like to implement an external loopback using a CAN transceiver like SN65HVD233 that has a loopback option. The only thing that creates...
    on Mar 22, 2011

  • Forum Post: Set F28335 eCAN transmit message time!!

    Vennela Yadhati
    Hi, I'm using the TMS320F28335 chip and I want to set the transmit time of a message to 100ms. I know how to set the baud rate (I set it to 500kbps) and all. But what do I do to set the transmit message to 100ms (so, it is transmitted every 100ms? For eg, if I send a message at say, 231.2748...
    on Mar 17, 2011

  • Forum Post: Re: I2C multiple device problem with f28335

    hung pham
    Hi Vishal Coelho At first thank you very much because your quick reply.I fixed my code and this time i only work with two device accelerometer and gyro. The initialize code here, i set the mode is tranmiter at first 0x6E20 for two divice accelerometer and gyro: /* user code (Initialize function...
    on Apr 14, 2011

  • Forum Post: CANbus Protocol Library

    Alessandro Giovannini
    Hi, I'm new in CAN protocol and I've to implement it on a C28xx. How can I start? there some library that help me to comunicate through CAN protocol? Thank you, Alex
    on Apr 18, 2011

  • Forum Post: Re: bit access to eCAN mailboxes F28335

    Vennela Yadhati
    Hi, I've another question. Apart from defining the bits, I wanted to define another struct variable in MDL and MDH regs. Here's what I need: struct CANMDH_Variable { //bits description Uint16 A:8; //32:39 Uint16 B:16; //55:40 Uint16 C:8; //63:56 }; union CANMDH_REG...
    on May 5, 2011

  • Forum Post: bit access to eCAN mailboxes F28335

    Vennela Yadhati
    Hi, I need bit access in the MDL and MDH data registers of eCAN mailboxes. I've added a structure in the eCAN header file. When I open CCSv4 to code my MCU, it gives me this bit options Struct MDL_BITS{ Uint16 bit0:1; Uint16 bit1:1; ....... similarly for MDH too!! ECanaMboxes...
    on Apr 25, 2011

  • Forum Post: Re: run placement fails for object "ECanaMboxes"

    Vennela Yadhati
    Hi, I've used this approach and YES, the Uint32 way seems to work. However, here's something else that is interesting. My bits are not allocated in a gradual (0-31 or 31-0). But in the way as shown below: struct CANMDL_Variable { //bit description Uint32 A:8; //31:24 Uint32 B:16;...
    on May 10, 2011

  • Forum Post: run placement fails for object "ECanaMboxes"

    Vennela Yadhati
    Hi, Apart from defining the bits, I wanted to define another struct variable in MDL and MDH regs. Here's what I need: struct CANMDH_Variable { //bits description Uint16 A:8; //32:39 Uint16 B:16; //55:40 Uint16 C:8; //63:56 }; union CANMDH_REG { Uint32 all; struct...
    on May 5, 2011

  • Forum Post: Re: eZdsp 28335 eCANA GPIO pin configuration

    Jian Feng
    Indeed. After I changed it to eCANB port and it is working fine now. Thanks a lot for your help! Danny
    on Dec 9, 2011

  • Forum Post: eZdsp 28335 eCANA GPIO pin configuration

    Jian Feng
    Hello, I'm developing a flash bootloader using the eZdsp 28335 kit and CCS v3.3. It receives application code through CAN and stores it into the on-board external SRAM (Zone 7). At the end of download it reads the data from external SRAM Zone 7 and burns it into the internal flash. I'm using...
    on Dec 9, 2011

  • Forum Post: GPIO SET/CLEAR/DAT registers for 28335

    Kuldeep Kumar Mynampati
    Hi, I have set up my GPIO for PWM (1A/1B/2A/2B/3A/3B) for PWM output. During initilization, I have configured as PWMs. 0x00EEA555 //GPAMUX1 // For EPWM-1/2/3 Config. 0x 0000 0000 1110 1110 1010 0101 0101 0101 // Configured as PWM's 3B3A 2B2A 1B1A 0x3040E03F //GPADIR // For EPWM-1/2/3...
    on Dec 27, 2011

  • Forum Post: Re: tricky PWM 100% duty cycle problem in 28335

    Kuldeep Kumar Mynampati
    Daniel, Thanks for the reply. Yes ! you are right as stated from previous post and now also I am able to run PWM's. Let me clarify, I have 3 function calls in my PWM interface. 1. RUNPWM (I can change my duty cycles and frequency in debugger and just update the registers and PWM runs fine)...
    on Jan 16, 2012

  • Forum Post: Re: tricky PWM 100% duty cycle problem in 28335

    Kuldeep Kumar Mynampati
    Daniel, Thanks for the update. I tried to set the CMPA= MAX_PERIOD (10000 or 0x2710). Either with CMPA = 0x0 or CMPA = 0x2710. I still have the same problem. No PWM WAVE FORM with my register settings. I will try to see by using AQCSFRC register. Regards, KK
    on Jan 18, 2012

  • Forum Post: Re: Howto Motor Torque Control

    ChunLei Sun
    Hi Brother I also learning the 28335 DTC control ,May be we can discuss something .
    on Feb 20, 2012

  • Forum Post: Re: Problem with WatchDog Reset on 28335

    Kuldeep Kumar Mynampati
    Hi, Thanks for the clarification. Last week, I was able to see the watchdog reset working. Thanks for the note. Regards, KK
    on Mar 22, 2012

  • Forum Post: DSP28335 PWM SIGNALS AT EPWM5 AND EPWM6

    Bhanu Angirekula
    HI, Can someone please help me in generating PWM signals at epwm 5 and epwm 6.I generated PWM signals at epwms 1,2,3 and 4. When I used the same program for 5 and 6, there was nothing. Thank you
    on Mar 26, 2012

  • Forum Post: ECAN Problems on DSP F28335 - No valid Tx Signal ?

    vij
    Hello everybody, For a couple of weeks I have been facing a problem with ECan Module and I can't understand why it is not working. My problem is that I see with oszi on Tx - Pin following signal: (Please visit the site to view this file) (Time Axis -> 20us) and on CAN-H and CAN-L Pins...
    on Dec 20, 2010

  • Forum Post: Changing eCAN Baud Rate Prescaler in Simulink Block

    Maxi Habersbrunner
    Hello, i think this topic exists a hundred times but I couldn`t solve the problem anyway. On a F28335 i implemented a 3 ph PMSM FOC for my Bachelor Thesis. My problem is the eCAN Baudrate. Everything works fine with the preconfigured 1Mbit/s setting which is Baudrate Prescaler: 5 TSEG1: 8...
    on Jul 21, 2011

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