Forum: Programming
17-03-2016, 13:53
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Replies: 25
Views: 3,979
Re: USB MS Lifecam HD 3000 Exposure Issues
I've been having the same problem with some vision I've been running with open cv. Is it possible to integrate that command into the camera capture object? If I could do this in the initiation of my...
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Forum: Java
14-03-2016, 06:01
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Replies: 9
Views: 610
Re: Custom PI Loop not working
Thank you guys for all of the help. I'll work through my code today, as it's back to school for me and that means more time with the practice robot. I'll post again when I get things sorted out...
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Forum: Java
13-03-2016, 21:58
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Replies: 9
Views: 610
Re: Custom PI Loop not working
It really wouldn't but I'll be honest and say that I was lazy and didn't want to put in the effort to find a cleaner way to do it.
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Forum: Java
13-03-2016, 15:59
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Replies: 9
Views: 610
Re: Custom PI Loop not working
I'll take a look at re doing the PI class in the mean time. I don't need the D variable as the shooter articulation and gearing is heavy enough that I don't need the ramp down of velocity of angle...
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Forum: Java
13-03-2016, 14:42
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Replies: 9
Views: 610
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Forum: Java
13-03-2016, 14:32
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Replies: 9
Views: 610
Custom PI Loop not working
So I've created a PILoop class to handle PID (with no d) for different systems of the robot. I've got different methods for drive base, shooter angle, and intake articulation as all will need...
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Forum: Control System
01-03-2016, 21:08
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Replies: 10
Views: 831
Re: Questionable Results from Ultrasonic
These IR distance sensors look like quite the feasible alternative. Does anyone have some info on how to implement them? Wiring and programming wise? The ultra sonics are easy as you just read the...
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Forum: Control System
21-02-2016, 12:01
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Replies: 10
Views: 831
Questionable Results from Ultrasonic
I'm wondering if anyone else has had this problem...,
We've looked into using ultrasonic sensors from maxbotix to go ahead and try distance sensing for aiming. We did some benchmarks under very...
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Forum: C/C++
21-02-2016, 11:27
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Replies: 1
Views: 697
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Forum: Java
05-02-2016, 12:31
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Replies: 3
Views: 412
Re: UDP Vision data killing our SmartDashboard?
Sorry for wasting your time on that one. I commented those lines out originally just because they weren't being used and they worn't working when we had buggy UDP code. Now that the UDP isn't...
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Forum: Java
05-02-2016, 12:01
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Replies: 3
Views: 412
Re: UDP Vision data killing our SmartDashboard?
Wow didn't catch that. From what I recall though, we did that for other purposes and they still weren't sending out values even when they were un commented. I'll re deploy and let you know if the...
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Forum: Java
05-02-2016, 08:08
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Replies: 3
Views: 412
UDP Vision data killing our SmartDashboard?
Hello everyone,
So last week we got vision tracking working on a raspberry pi, and we're using UDP to send the data over to the roborio for vision targeting. So far everything works great. Values...
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Forum: Programming
30-01-2016, 12:45
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Replies: 11
Views: 2,436
Re: I2C read from Raspberry Pi to RoboRio
Thanks for all the help so far guys,
Here's what we have so far in terms of UDP programming.
https://github.com/bigbrain890/FlyingToaster2016
UDP transmission does work on the PI end of the...
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Forum: Electrical
28-01-2016, 08:45
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Replies: 12
Views: 1,356
Re: Serial LED Strip
Any reason that you're not using the NEOpixel line by adafruit?
https://www.adafruit.com/products/1376
I've used these ones before and they're pretty nice. I've got an arduino on the robot...
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Forum: Programming
28-01-2016, 08:27
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Replies: 11
Views: 2,436
Re: I2C read from Raspberry Pi to RoboRio
Is there any particular reason that you encoded your information to JSON before sending it to the roboRIO over UDP? This looks like a good option to try too. I have zero experience in socket...
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Forum: Programming
24-01-2016, 09:42
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Replies: 11
Views: 2,436
Re: I2C read from Raspberry Pi to RoboRio
Thanks for all the replies,
As of right now we are looking into using the serial over the RS-232 port on the roboRIO. All I've got to do is pick up some bi-directional logic level converters....
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Forum: Programming
15-01-2016, 16:46
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Replies: 11
Views: 2,436
I2C read from Raspberry Pi to RoboRio
Hi fellow programmers,
We've decided to use a raspberry pi for some side processing on our robot this year. We've got all the code in python on the Raspberry Pi done now all we have to do is get it...
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Forum: Java
10-01-2016, 13:05
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Replies: 3
Views: 933
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Forum: Java
09-01-2016, 12:46
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Replies: 3
Views: 933
6 CIM Drive with CANTalon
Hi Chief Delphi,
In past years we've used a multitude of different drive trains. Because the RobotDrive class only has support for only 4 motor controllers, we've used pwm splitters to account for...
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Forum: CAN
04-01-2016, 06:27
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Replies: 13
Views: 2,063
Best CAN Connector Interface
FRC Community,
This coming year our team plans to use mostly Talon SRX controllers as our main motor controller on the robot. We've got the stock and we are excited to use them! In the past the mess...
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Forum: C/C++
04-12-2015, 17:48
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Replies: 7
Views: 1,067
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Forum: C/C++
30-11-2015, 14:55
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Replies: 7
Views: 1,067
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Forum: C/C++
30-11-2015, 11:21
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Replies: 7
Views: 1,067
Re: Integrating navx MXP into past Robot Project
Alright, I tried just adding the navx_frc_cpp to the paths and symbols tree, but that didn't work when I went to try and build. Do I need to specify the path to the library under library paths too?...
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Forum: C/C++
28-11-2015, 11:40
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Replies: 7
Views: 1,067
Integrating navx MXP into past Robot Project
Hey guys,
I was wondering if anyone has had any experience in integrating the navx into an old robot project. I've downloaded the setup tools for the library, installed them, and imported the...
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Forum: C/C++
01-05-2015, 18:05
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Replies: 6
Views: 1,552
Re: Using an SPI Gyro
I have not gone ahead and bought the ADXRS450 so I'll go ahead and take a look at that! Reading on the website though, it mentioned that the device plugs straight into the MXP port on the roborio. Is...
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FIRST truly isnt about building robots, but allowing yourself to reach higher and farther than you ever could. - Brandon Holley [more] 
