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December 03, 2020, 11:45:40 AM

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Messages - Chris_Beeves

Custom hardware / Re: The M30x/MCCC/Lumberbar
March 21, 2020, 09:39:56 PM
Tidied up the wiring by the arduino that I use for the hand and foot controls and went from "breadboard" to a proper prototype board where all the controls are now detachable.

Makes it a lot easier to store and there is less noise in the signals.

Looking into making some kind of seat that works better than my piano chair now.. It's not very ergonomic at the moment.
Custom hardware / Re: The M30x/MCCC/Lumberbar
March 19, 2020, 09:10:53 PM
I have been testing different settings, bikes and tracks. It's funny, the tracks I have actually ridden irl I make the same exact mistakes in game (with a lot less crashing irl).
The Cup R6 (by?) and Javi's 125 are the two best bikes that I've tried so far. Ffb is still buggy, I have to set it under 40% or it starts oscillating mostly when upright and braking.

Starting to realize I have used a less than optimal motor in the controller. It's quite notchy and I think that that is the main problem causing the weak center feedback.

At times it's loads of fun though! :D
Custom hardware / Re: Gamepad with Real FFB
March 18, 2020, 07:45:57 AM
Do you have separate inputs from the counter steering and the lean, or are they blended?
Do they operate independently?
If they are independent I would probably use something like h106frp describes and hook the handlebar torque up to a servo that is connected to the counter steering axis and another servo or motor that feeds the lean angle back to the tilt part.
If it works for Assetto Corsa, it will work for gpbikes, no problem.
Looks promising! FOC stepper drivers aren't exactly cheap.
Custom hardware / Re: The M30x/MCCC/Lumberbar
March 14, 2020, 09:36:28 PM
Quote from: h106frp on March 11, 2020, 11:50:23 PMUsing a switch mode supply the...
Thanks h! I'll look into that.
Tried just using a diode on the power output, but that seemed to trip the motor driver instead.
I guess there are no short cuts here..

Played around a bit with the settings and it feels like I'm onto something, but feedback in the center is very weak..
Anyway, here's a short demo of how it works today;

I also took apart my "race hat", the hat I put LED's on and used with Opentrack, and made a clip for my headphones instead. Works great!
Documentation / Re: Direct steer
March 14, 2020, 04:21:25 PM
Tested directsteer.cfg but I don't understand what it does.

Can't really tell the difference. What range are the values in? -255 to 0?

@Piboso, could you include some sort of specification in the first post?
Custom hardware / Re: Gamepad with Real FFB
March 12, 2020, 09:40:52 AM
I don't know what values to use though..
The standards are:
P= -250
D= -40 ( I think)

Tried different values from 0 to 1000 at FFB at 90%, but nothing stopped the insanity. Next step would be to try the same at 60-70% FFB.
At under 40%, FFB is not as noisy.
Custom hardware / Re: The M30x/MCCC/Lumberbar
March 11, 2020, 09:56:09 PM
Had some time to play around with the controller a bit today.
Everything seems to do its' job fine, but the settings for force feedback is a pain.
I'm using the M2 and a CBR600 -05 to test. I tried modifying the P/D parameters for the bikes but that didn't seem to do much difference. Turning the FFB level down to under 50% seems to help though.

I rebuilt a computer PSU for the controller, but it keeps shutting down for unknown reasons. Tried a laptop charger instead and that also cuts out. Probably something to do with the big-ish motor and back currents. Will have to learn more about that.

Drove around a little on the "Trial" course and sometimes t really felt like driving! If I can just capture those moments and figure out what makes them work..
Custom hardware / Re: Gamepad with Real FFB
March 11, 2020, 09:47:25 PM
I use angle, torque doesn't make much sense on my ffb controller.

Played around with the P/D settings today, but I can't get it to make much difference at all.
Custom hardware / Re: Gamepad with Real FFB
March 11, 2020, 10:29:08 AM
Quote from: maggikk22 on March 11, 2020, 10:01:02 AMyes, I found that the steertorque value is unstable in both cases: standard gamepad with normal steering mode, or racing wheel with FFB and Direct steer mode.

Yes, but what I meant is;
Does it affect the ffb when using normal steering in the same way it does the direct steering ffb, or are the two different equations?

Could the new P/D-settings for direct steer in the bike config help remedy the problem in that case?
Custom hardware / Re: Gamepad with Real FFB
March 11, 2020, 09:38:32 AM
Does this happen also with "normal steering"?
Custom hardware / Re: Gamepad with Real FFB
March 10, 2020, 09:04:58 PM
I don't have the answer to any of that, but I use direct steering with my FFB (USB, "normal" FFB) rig and that signal could explain the extreme chattering I get when going straight, braking and turning. Strangely enough, sometimes the chatter goes away when leaned over at a specific angle...
Custom hardware / Re: The M30x/MCCC/Lumberbar
March 09, 2020, 09:43:49 PM
Ok, got it all up and running tonight!
Got some setting up and testing to do, but everything works!
Custom hardware / Re: The Lumberbar/MCCC/M300/M301
March 08, 2020, 08:36:27 AM
The first test video is super exciting!

Custom hardware / Re: The Lumberbar/MCCC/M300/M301
March 07, 2020, 09:12:26 PM
Today I got it running! :D
The new fork legs look better too.

Made a "will do for now" desk mount. Now I need to reconnect all hand and foot controls. Had it all on "breadboards" before, so I took it all apart to make a circuit board instead. I wish I had documented it before I did.. Some wheel reinvention to do now.