FFB Frequency?

Discussion in 'General Discussion' started by Pax, May 2, 2012.

  1. Pax

    Pax Registered

    Joined:
    Dec 28, 2011
    Messages:
    44
    Likes Received:
    7
    Hello All,

    A few technical questions:

    * What is the frequency of the FFB output in rFactor2?
    * What is the frequency at which the steering wheel input position is read?

    Thanks,
     
    Pax, May 2, 2012
    #1
  2. Marek Lesniak

    Marek Lesniak Car Team Staff Member

    Joined:
    Oct 6, 2010
    Messages:
    1,585
    Likes Received:
    101
    rF 2 physics engine is rated at 400Hz so my blind guess is, that FF works at such frequency... but sometimes your limiting factor might be your steering wheel.
    Logitech's G25/G27 communicate at 500Hz but T500RS at 100Hz (but I've heard Thrustmaster is working on that).
     
    Marek Lesniak, May 2, 2012
    #2
    1 person likes this.
  3. CdnRacer

    CdnRacer Banned

    Joined:
    Feb 4, 2011
    Messages:
    1,894
    Likes Received:
    31

    That's pretty amazing. How do you know that?
     
    CdnRacer, May 2, 2012
    #3
  4. mikeyk1985

    mikeyk1985 Registered

    Joined:
    Dec 27, 2011
    Messages:
    447
    Likes Received:
    3
    What about Fanatec CSR?
     
    mikeyk1985, May 2, 2012
    #4
  5. Marek Lesniak

    Marek Lesniak Car Team Staff Member

    Joined:
    Oct 6, 2010
    Messages:
    1,585
    Likes Received:
    101
    ISI said that some time ago.
     
    Marek Lesniak, May 2, 2012
    #5
  6. CdnRacer

    CdnRacer Banned

    Joined:
    Feb 4, 2011
    Messages:
    1,894
    Likes Received:
    31


    Very cool. Thanks.


    rF2 puts out telemetry at 110Hz. I wonder if FFB is the same?
     
    CdnRacer, May 2, 2012
    #6
  7. Pax

    Pax Registered

    Joined:
    Dec 28, 2011
    Messages:
    44
    Likes Received:
    7
    OK,

    so, I interpret this as there has this far not come any reliable information on this from ISI.

    If ISI staff please could verify the correct numbers that would be very nice.

    Thanks,
     
    Pax, May 2, 2012
    #7
  8. vittorio

    vittorio Registered

    Joined:
    Jan 11, 2012
    Messages:
    1,118
    Likes Received:
    540
    vittorio, May 2, 2012
    #8
  9. Lazza

    Lazza Registered

    Joined:
    Oct 5, 2010
    Messages:
    12,412
    Likes Received:
    6,617
    I'm pretty sure it's 100Hz. So 4 cycles of physics for each cycle of telemetry.
     
    Lazza, May 2, 2012
    #9
  10. 88mphTim

    88mphTim racesimcentral.net

    Joined:
    Sep 23, 2010
    Messages:
    10,840
    Likes Received:
    314
    Yes, 400Hz is the rate for both client and dedicated server now.

    No, a manufacturer had their driver set at that and had to adjust it for us.
     
    88mphTim, May 2, 2012
    #10
  11. Pax

    Pax Registered

    Joined:
    Dec 28, 2011
    Messages:
    44
    Likes Received:
    7
    Thanks for replying Tim.

    Shall I interpret this as that the FFB torque output from rF2 to Direct Input is output @400Hz?
    And the same for the reading of steering wheel position, @400Hz?
     
    Pax, May 2, 2012
    #11
  12. Spinelli

    Spinelli Banned

    Joined:
    Jan 28, 2012
    Messages:
    5,290
    Likes Received:
    32
    t500rs is only 100hz? Damn i really wanted to get it
     
    Spinelli, May 3, 2012
    #12
  13. 88mphTim

    88mphTim racesimcentral.net

    Joined:
    Sep 23, 2010
    Messages:
    10,840
    Likes Received:
    314
    TM worked with us and changed things for us. Make sure you're using their latest drivers.
     
    88mphTim, May 3, 2012
    #13
  14. PLAYLIFE

    PLAYLIFE Registered

    Joined:
    Dec 26, 2010
    Messages:
    743
    Likes Received:
    126
    Yes I thought it was 100Hz also.
     
    PLAYLIFE, May 7, 2012
    #14

Share This Page