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  1. #61
    Join Date
    3rd June 2009
    Location
    Portland, Oregon
    Posts
    207
    It will work with VMWare Fusion on my MacBook Pro, but it acts a little unstable. Not fun to work with and if we lose the fun we lose our hobby. I will be selling my 250G acc Raven this spring. I'm done messing with it. I just bought a TeleMega.

    -Joe
    NAR 87559 L3
    TRA 12578 L3
    Prefect Tripoli Portland #049

  2. #62
    Join Date
    24th February 2014
    Location
    Tucson, AZ
    Posts
    235
    Quote Originally Posted by JMZawodny View Post
    Would you consider releasing the interface specs for the Raven (if not open source the FIP software itself) and let the community invest in developing, supporting and extending the software?
    This. I just ordered a featherweight and two av-bays. The old featherweight forum indicate the altimeter software is open sourced but I can't find it. I would be happy enough working through a terminal session. The less I have to fired up VM-ware the better but I don't need a GUI.


  3. #63
    Join Date
    13th February 2012
    Location
    Central Jersey
    Posts
    5,663
    I'd like this as well.
    Several rocket motors burned this year.

  4. #64
    Join Date
    24th February 2014
    Location
    Tucson, AZ
    Posts
    235
    So, it seems pretty stable using WinXP under VMWare. mikec said he had reverse engineered the text file format. Is that love shared anywhere?

  5. #65
    Join Date
    9th May 2009
    Posts
    1,567
    Quote Originally Posted by enderw88 View Post
    mikec said he had reverse engineered the text file format.
    The text file used to be produced by FIP but I'm not sure if it even is any more.

    Flavors of the old Parrot flight code and some prototype FIPs were floating around (see the Featherweight forum), but neither the current FIP nor the Raven flight code are.

    What's known:

    The char mapping and multiplier that FIP currently has is:

    X=Axial Accel (Gs),0.01
    Y=Lateral Accel (Gs),0.01
    T=Temperature (F),0.01
    b=Volts Battery (V),0.001
    a=Volts Pyro Apogee (V),0.001
    m=Volts Pyro Main (V),0.001
    3=Volts Pyro 3rd (V),0.001
    4=Volts Pyro 4th (V),0.001
    C=Current Draw (A),0.001
    P=Baro (Atm),0.00004

    A=[Altitude (Baro-Ft-AGL)],1.0
    V=[Velocity (Accel-Ft/Sec)],0.1

    sampling rates:

    440 Hz: X axial acceleration * 100

    220 Hz: Y radial acceleration * 100

    40 Hz: C output current

    20 Hz: everything else

  6. #66
    Join Date
    24th February 2014
    Location
    Tucson, AZ
    Posts
    235
    Thank you posting what you have.

    The current FIP, downloaded as of yesterday, exported both a binary FIP file and a formatted text file at the same time. I will compare what you posted with the current data.

    I will report back unless Adrian asks me not to. I suspect this is one of the unintended areas covered by the DCMA.

  7. #67
    Join Date
    22nd January 2013
    Location
    Gilbert, AZ
    Posts
    96
    Sorry for my lack of recent rocketry development but I'm starting to get some time to work on a java interface replacement for FIP (windows only). Initially this will be Raven only... maybe I'll try to get it working for the previous Parrot but that will be priority based (no guarantees but I myself still own some Parrots...).

    I'll likely start a new thread as this old one was tied to trying to use WINE on Mac which didn't work well with the USB interface (if I recall the history correctly)...

    My current version supports download only and graphics - no zoom and I need to add the time scale printout (!). I have tested it some on Windows, Mac and Linux. I see some oddities but will try to resolve them...

    So, is there interest out there?
    Kevin Small, TRA #07172 L3
    Featherweight Interface Developer - wFIP (Windows), iFIP (iPhone)

  8. #68
    Join Date
    20th January 2009
    Posts
    652
    Quote Originally Posted by kjs View Post
    Sorry for my lack of recent rocketry development but I'm starting to get some time to work on a java interface replacement for FIP (windows only). Initially this will be Raven only... maybe I'll try to get it working for the previous Parrot but that will be priority based (no guarantees but I myself still own some Parrots...).

    I'll likely start a new thread as this old one was tied to trying to use WINE on Mac which didn't work well with the USB interface (if I recall the history correctly)...

    My current version supports download only and graphics - no zoom and I need to add the time scale printout (!). I have tested it some on Windows, Mac and Linux. I see some oddities but will try to resolve them...

    So, is there interest out there?
    Sure! I have macs and Ravens and that would help.

  9. #69
    Join Date
    3rd February 2014
    Posts
    38
    Superb!

    Thanks. 👌

  10. #70
    Join Date
    23rd July 2014
    Location
    Massachusetts
    Posts
    836
    There is interest here. I'm a Mac user and a raven user.
    NAR# 98194
    Level 1: CTI I-216, 3,043'
    Level 2: CTI K-740, 5,999'

    Personal altitude record: 12,400' CTI L395
    2014 total impulse: 9,018.2 Ns (76% M)
    2015 total impulse: 7,171.7 Ns (40% M)
    2016 total impulse: 18,664.2 Ns (91% N)
    2017 total impulse: 8,281.1 Ns (80% M)

  11. #71
    Join Date
    25th January 2009
    Location
    Glennville, GA
    Posts
    17,892
    There is interest. Using this native OS would be a plus.
    -----------------------
    Chuck Haislip
    NAR/Tripoli Level 3
    Formerly a Prefect of ICBM - TRA #60

    Level 1 - LOC Minie Magg; Level 2 - PR Broken Arrow;
    Level 3 - 10 inch Nike Smoke
    2015 Ns for Year: 1315 Newtons
    My rockets usually fly naked. If they survive, they earn their paint.

    Come fly with ROSCo or ICBM in Camden SC => http://rocketrysouthcarolina.org

  12. #72
    Join Date
    21st December 2013
    Location
    Australia
    Posts
    444
    Quote Originally Posted by mikec View Post
    The text file used to be produced by FIP but I'm not sure if it even is any more.

    Flavors of the old Parrot flight code and some prototype FIPs were floating around (see the Featherweight forum), but neither the current FIP nor the Raven flight code are.

    What's known:

    The char mapping and multiplier that FIP currently has is:

    X=Axial Accel (Gs),0.01
    Y=Lateral Accel (Gs),0.01
    T=Temperature (F),0.01
    b=Volts Battery (V),0.001
    a=Volts Pyro Apogee (V),0.001
    m=Volts Pyro Main (V),0.001
    3=Volts Pyro 3rd (V),0.001
    4=Volts Pyro 4th (V),0.001
    C=Current Draw (A),0.001
    P=Baro (Atm),0.00004

    A=[Altitude (Baro-Ft-AGL)],1.0
    V=[Velocity (Accel-Ft/Sec)],0.1

    sampling rates:

    440 Hz: X axial acceleration * 100

    220 Hz: Y radial acceleration * 100

    40 Hz: C output current

    20 Hz: everything else
    Not seen the code on the featherweight forum, been mucking around in excel using via code mostly for fun. Think you'll find the sampling rates are 400 for X and 200 for Y perhaps older models had those faster rates?
    There is also a F which has the flight event registers. There are t (small) entires that are to do with sampling rates I believe. There is also a v (small), no idea on this one. The current FIP version can extract csv files in 2 formats - normal and flat file as well as providing the raw data. There's also a once off O line that I beleive is produced when the Raven detects the launch. Altitude is calculated it is not stored in the log.
    QRS: 124
    AMRS: 32 L2
    Highest Altitude: 10,849 feet
    Largest Motor: CTI 1115J530 IM
    Current Projects:
    Purple Parrot, X Wing


  13. #73
    Join Date
    22nd January 2013
    Location
    Gilbert, AZ
    Posts
    96
    I sent a message to the few that replied first - as well as a past user with good inputs - and will work with them for an alpha build via email to get it usable / tested on more than just my machine...

    /kjs
    Kevin Small, TRA #07172 L3
    Featherweight Interface Developer - wFIP (Windows), iFIP (iPhone)

  14. #74
    Join Date
    3rd February 2014
    Posts
    38
    Hi Kevin

    How goes the progress on this update. I would be very happy to work with you on this project.

    Cheers

    Noel


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