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Thread: PS3 NeGcon - Can it be done???

  1. #151
    Join Date
    Feb 2008
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    wichetael
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    @ JABBERJAW From the schematic I can see that the pot is just a voltage divider, the output of which is used on one of the 10 bit ADCs in the microcontroller. So in the controller you simply have a digital value between 0 and 1023 that you can use.

    @element42 Thanks for all the info and the project page. I'm definately ordering some parts. Hopefully I get to play with this this weekend, otherwise the next.

    Btw, what would you guys think of a "do barrelroll" button so that you don't have to do the annoying LRL or RLR? Or would you say that is cheating?

  2. #152
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    Jun 2004
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    elementfortytwo
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    Al, If I understand what you're thinking, you'd need to use the microcontroller in a completely different way to how I'm using it. It would probably be possible though.

    Wich - definitely cheating
    Besides, I hate br's enough as it is...

    ___________________________

    I've done mk1.1 - with an external adjustment pot. Picture here. There's no knob because I don't have any knobs but the lower couple does mean accidental adjustements are less likely.

    I've also adjusted the code to double the serial interface speed with the negcon. This does mean my dualshock doesn't work anymore. I should do some testing to see whether the increased SPI speed is actually beneficial, but in the end I expect I'll just chuck the code for interfacing the standard pad! I could optimise the code a bit more if I do that.
    Last edited by SaturnReturn; 10th March 2010 at 06:41 PM. Reason: Merged consecutive posts by same user.

  3. #153
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    Mar 2004
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    PHO-KU
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    uttermost respect to all involved

  4. #154
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    Jun 2004
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    UK
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    elementfortytwo
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    381

    Default dead zone woes

    Thanks's to Al's testing, the adaptor has an additional pot for adjusting the dead zone.

    Also, it turns out that WO:HD has a 'built-in' dead zone. That is, Wipeout ignores any input below a certain value (specifically, given a full input range of -128 to 127, it ignores any values between -49 and 48 ). I've coded around that but it does mean that any games with a different built-in deadzone will function less optimally. I could add a third pot to adjust this, but that would be three pots and it's starting to look ugly or I could leave it coded for WO. Given that I've only ever used the negcon with WO I'm thinking the latter, but I suppose it makes sense to make it as adjustable as possible...

    UPDATE: Added the third pot. Three adjustments can be made now: sensitivity, deadzone, and 'built-in' deadzone defeat.

    Just the analog & home buttons to go...
    Last edited by element42; 29th April 2010 at 02:14 PM.

  5. #155
    Join Date
    Feb 2002
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    AWESOME WORK! I think that is a good idea too. I am going to test your negcon right now with ridge racer 7 or gran turismo

    OK, just tested it out. For my negcon, the dead zone was smaller for ridge racer, and gran turismo, than for HD. For element42's negcon, it did not work for GT (odd), but it worked really good for Ridge racer, and the dead zone was smaller.
    Last edited by JABBERJAW; 27th April 2010 at 04:11 PM.

  6. #156
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    elementfortytwo
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    I've spent a lot of the bank holiday weekend trying to get the analog buttons to be analog and the home button working but with no success. So I'm going to stop development on this, for a while at least. I think the adaptor is working well as it is, certainly enough to satisfactorily use a negcon to play Wipeout HD with.

  7. #157
    Join Date
    Feb 2002
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    yeah, I would stop too, there is nothing worse than spending alot of time on something and not getting it. weird that the home button is so difficult. It works perfect as you have it anyway, and the analog buttons wouldn't really help wipeout anyway, BUT they would help the other racing games like gran turismo. Nice work

  8. #158
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    Feb 2002
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    Update on the negcon. Element has sent me his new masterpiece. It has a steering sensitivity dead zone, and built in dead zone. If there is a built in dead zone in the game, it can start the steering where that ends if you like, then you can adjust the steering sens as needed. This thing was incredible with HD, making the turning perfect, exactly where you want it, without worrying that increasing the sensitivity will also increase dead zone. This is certainly the best negcon converter by far at this point. He also added switches for some personal preferences. OH, also, this will work with the pc and mac! They recognize the controller. I just need to dial it in for 2097 mac still since I did not understand how exactly it worked when I tested it the first time. Amazing work, and a huge round of applause for element42

  9. #159
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    Dec 2009
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    Ace3cube
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    You guys are impressive !

  10. #160
    Join Date
    May 2010
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    Hey guys,

    I m so much supporting this project...
    ....dreaming of the Negcon when I play Wipeout Hd...

    If I own a Negcon,
    Is there a ''simple'' way to make it work ?

    Besides if you guys want to market some Negcon adaptator, I m sure some people are interested to invest few bucks in it.

    Keep it up

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