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Search took 0.00 seconds; generated 71 minute(s) ago. search: Posts Made By: BenBernard
Forum: Java 03-08-2016, 04:18 PM
Replies: 7
Views: 952
Posted By BenBernard
Re: Multiple USB Camera Switching Lag

Without having looked at any of your actual code (sorry, pressed for time) I can tell you that we encountered similar behavior and solved it by opening and initializing both USBCamera instances at...
Forum: Programming 02-29-2016, 10:43 PM
Replies: 9
Views: 878
Posted By BenBernard
Re: Autonomous running on one robot but not the other. (Labview)

Are you using the same roboRio on both? This year's version of wpilib requires some updates to the roboRio firmware, so make sure your wpilib and roboRio firmware are in sync.
Forum: General Forum 02-29-2016, 03:31 PM
Replies: 18
Views: 1,554
Posted By BenBernard
Re: Visual Tracking Help

Understood...but the math is the same no matter where you get your measurements. We do all (or most of) the math in our robot code, reading values from NetworkTables which be populated by GRIP on...
Forum: General Forum 02-29-2016, 03:19 PM
Replies: 18
Views: 1,554
Posted By BenBernard
Re: Visual Tracking Help

I think you would benefit from reading some of the existing CD threads on this subject, starting with:
http://www.chiefdelphi.com/forums/showthread.php?threadid=144809
Forum: IT / Communications 02-23-2016, 12:21 PM
Replies: 35
Views: 5,295
Posted By BenBernard
Re: Slack?

We use Slack, GitHub, and Waffle.io...and can't imagine it any other way. It's a very effective combintion.
Forum: Java 02-22-2016, 11:20 AM
Replies: 2
Views: 494
Posted By BenBernard
Re: (HelpPlease?) Setting AutoMode from SFX (SmartDashboard 2.0)

In case anyone else stumbles on this thread with the same issue, we found a workaround. Instructions are here: http://www.chiefdelphi.com/forums/showthread.php?t=143997
Forum: Java 02-14-2016, 07:52 PM
Replies: 3
Views: 1,261
Posted By BenBernard
Re: 2 Cameras Setup (Lifecam HD 3000)

We are also streaming only one camera at a time. There are a couple of tricks to this:

1) In Robot.init, instantiate a USBCamera instance for each camera. Then when you call...
Forum: C/C++ 02-12-2016, 04:44 PM
Replies: 5
Views: 996
Posted By BenBernard
Re: Raspberry Pi OpenCV With Lifecam HD-3000

My post was regarding raspberry pi, not the roborio--I'm not sure if v4l2-ctl is pre-installed on the roborio.

The changes do not "stick" but we've added them to the shell script that starts our...
Forum: Control System 02-12-2016, 01:30 PM
Replies: 7
Views: 815
Posted By BenBernard
Re: roborio web dashboard shows no usb cam

We are having the same issue. We're using a LifeCam 3000, and we used to be able to see it on the webdashboard. Now it doesn't show up. We've tried 3 different cameras, all of which used to work,...
Forum: Programming 02-11-2016, 08:12 AM
Replies: 3
Views: 1,654
Posted By BenBernard
Re: Raspberry Pi 2 with Microsoft Lifecam HD3000

For others stumbling upon this thread, I've found that the tools generally needed for our purposes are better supported on Jessie than on Wheezy.
Forum: C/C++ 02-10-2016, 09:26 PM
Replies: 5
Views: 996
Posted By BenBernard
Re: Raspberry Pi OpenCV With Lifecam HD-3000

I have been unable to set the exposure via OpenCV calls on the pi, although the same code running in Windows or MacOSX works fine.

However, I AM able to set the exposure using v4l2-ctl:

$ v4l2-ctl...
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